JP2017001577A - On-vehicle information equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide on-vehicle information equipment which prevents an inputted operation from getting to hindrance of equipment movement during smooth driving or practice and, at the same time, improves convenience of a user.SOLUTION: On-vehicle information equipment 100 includes: an operator judging part 13 for judging whether an operator who performs an inputting operation to an operation inputting part 2 is an operator set as an operation limiting object or not; an operation content judging part 14 for judging whether an operation content inputted on the operation inputting part 2 is a content set as the operation limiting object or not; an operation timing judging part 15 for judging whether an operation timing which performs the inputting operation of the operation inputting part 2 is a timing set as the operation limiting object or not; and an operation limiting part 16 which invalidates an operation of the operation inputting part 2 when the operator is an operator set as the operation limiting object, the operation content is a content set as the operation limiting object and the operation timing is a timing set as the operation limiting object.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an in-vehicle information device.

  2. Description of the Related Art Conventionally, in-vehicle information devices such as a navigation device that guides a traveling route of a vehicle and an audio device that reproduces audio data have been widely used. In addition, a so-called “navigation audio device” in which a navigation device and an audio device are integrated has become widespread. Furthermore, a so-called “display audio device” that fulfills the function of a navigation device in cooperation with a portable information terminal such as a smartphone has been developed. These in-vehicle information devices have an operation input unit such as a touch panel, and accept an operation input by a vehicle occupant.

  The in-vehicle device of Patent Literature 1 identifies whether the operator is a driver or a non-driver when the operation input receiving unit receives an operation input from an occupant. The input / output for the driver and the input / output for the non-driver are individually controlled based on the traveling speed of the host vehicle, the state of the transmission, the state of the brake, the steering wheel operation state, and the like. Thereby, appropriate input / output control is realized for the driver and the non-driver respectively.

JP 2007-22520 A

  For example, when a child sitting in the passenger seat operates an in-vehicle information device, the in-vehicle information device operates against the driver's intention, preventing smooth driving or obstructing device operation during execution. There is a possibility. For this reason, as in Patent Document 1, it is effective to identify whether the operator is a driver or a non-driver and individually limit input / output by operation.

  However, even an operation by a user who is a target of operation restriction may not interfere with smooth operation or device operation during execution depending on the content and timing of the operation. In the configuration in which the operation by a specific user is always restricted, the operation is restricted even in such a case, and there is a problem that impairs the convenience of the user.

  The present invention has been made in order to solve the above-described problems, and has improved user convenience while preventing an input operation from interfering with smooth driving or device operation during execution. It aims at providing in-vehicle information equipment.

  The in-vehicle information device of the present invention has an operator determination unit that determines whether an operator who has performed an input operation on the operation input unit is an operator set as an operation restriction target, and is input to the operation input unit An operation content determination unit that determines whether or not the operation content is set as an operation restriction target, and whether or not the operation timing when the input operation of the operation input unit is performed is set as the operation restriction target The operation timing determination unit for determining whether the operator is an operator set as an operation restriction target, the operation content is set as an operation restriction target, and the operation timing is set as an operation restriction target The operation restriction unit that invalidates the operation of the operation input unit.

  The in-vehicle information device according to the present invention is a case where the operation content is not the content set as the operation restriction target or the operation timing is the operation restriction target even when the operator set as the operation restriction target operates. If the timing is not set to, the operation is validated. Thereby, it is possible to improve the convenience for the user while preventing the input operation from interfering with smooth operation or operation of the device being executed.

It is a functional block diagram which shows the principal part of the vehicle-mounted information apparatus which concerns on Embodiment 1 of this invention. It is a hardware block diagram which shows the principal part of the vehicle-mounted information apparatus which concerns on Embodiment 1 of this invention. It is a hardware block diagram which shows the principal part of the vehicle-mounted information apparatus which concerns on Embodiment 1 of this invention. It is a flowchart which shows operation | movement of the vehicle-mounted information apparatus which concerns on Embodiment 1 of this invention. It is a functional block diagram which shows the principal part of the vehicle-mounted information apparatus which concerns on Embodiment 2 of this invention. It is a flowchart which shows operation | movement of the vehicle-mounted information apparatus which concerns on Embodiment 2 of this invention. It is a functional block diagram which shows the principal part of the vehicle-mounted information apparatus which concerns on Embodiment 3 of this invention. It is a flowchart which shows operation | movement of the vehicle-mounted information apparatus which concerns on Embodiment 3 of this invention.

Embodiment 1 FIG.
FIG. 1 shows a state in which a camera 5, a microphone 6, a pressure sensor 7, and an in-vehicle information device 100 are mounted on a vehicle (not shown). FIG. 2 shows an example of the hardware configuration of the in-vehicle information device 100, and FIG. 3 shows another example of the hardware configuration of the in-vehicle information device 100. With reference to FIGS. 1-3, the vehicle-mounted information apparatus 100 of Embodiment 1 is demonstrated.

  The route guide unit 11 searches for a travel route from the current position of the vehicle on which the in-vehicle information device 100 is mounted to the destination set by the operation input unit 2. The route guide unit 11 generates an image for guiding the searched travel route and displays the image on the display unit 3. In addition, the route guide unit 11 generates a voice that guides the searched travel route and outputs it to the voice output unit 4. That is, the in-vehicle information device 100 functions as a navigation device by the route guide unit 11.

  The audio reproduction unit 12 reproduces audio based on audio data stored in the in-vehicle information device 100 main body or audio data received from an external device that is communicatively connected to the in-vehicle information device 100. The audio reproduction unit 12 outputs an audio signal generated from the audio data to the audio output unit 4 to reproduce the audio. That is, the in-vehicle information device 100 performs the function of an audio device by the audio playback unit 12.

  The display unit 3 includes a display 51 such as an FPD (Flat Panel Display). The audio output unit 4 is configured by a speaker 52, for example. The operation input part 2 is comprised by the touchscreen 53 integral with the display 51, for example.

  The camera 5 is disposed so as to face the passenger seat of the vehicle and photographs the inside of the vehicle. The microphone 6 is disposed so as to face the passenger seat of the vehicle, and acquires sound in the vehicle. The pressure sensor 7 is provided in the passenger seat of the vehicle and detects the pressure applied to the seat surface of the passenger seat.

  Of the users who operate the operation input unit 2 (hereinafter referred to as “operators”), users who are subject to operation restrictions (hereinafter referred to as “operation restriction target users”) are set in the operator determination unit 13 in advance. ing. The operator determination unit 13 determines whether or not the operator of the operation input unit 2 is an operation restriction target user by using at least one of the touch panel 53, the camera 5, the microphone 6, and the pressure sensor 7. It is.

  For example, in a state where a user sitting in the driver's seat of a vehicle and a user sitting in the passenger's seat can operate the operation input unit 2, all users sitting in the passenger seat are set to be operation restriction target users without exception. Has been. At this time, the operator determination unit 13 determines whether or not the operator is a user sitting in the passenger seat.

  That is, the operator determination unit 13 touches the touch panel 53 using the output of the touch panel 53, for example, when the touch panel 53 is a capacitance type, using the capacitance value between the electrodes arranged at each coordinate of the detection surface. The direction of the operator's finger is detected. When the operator's finger is directed toward the touch panel 53 from the passenger seat side, the operator determination unit 13 determines that the operator is a user sitting on the passenger seat. On the other hand, when the operator's finger is directed to the detection surface of the touch panel 53 from the driver's seat side, the operator determination unit 13 determines that the operator is a user sitting on the driver's seat.

  Alternatively, the operator determination unit 13 performs an image recognition process on the image data captured by the camera 5 to determine whether or not the user sitting in the passenger seat is reaching for the operation input unit 2. judge. When the operation input unit 2 is operated and the user sitting in the passenger seat is reaching out toward the operation input unit 2, the operator determination unit 13 determines that the operator is a user sitting in the passenger seat. To do. On the other hand, when the operation input unit 2 is operated, if the user sitting in the passenger seat does not reach the operation input unit 2, the operator determination unit 13 determines that the user is sitting in the driver seat. It is determined that

  When the setting of the operation restriction target user is different from the above example, the operator determination unit 13 can adopt another determination method according to the setting. For example, in the same state as in the above example, it is assumed that only children among the users sitting in the passenger seat are set as operation restriction target users. At this time, the operator determination unit 13 determines whether or not the operator is a user sitting in the passenger seat by any one of the methods described above, and determines whether or not the operator is a child as follows. judge.

  That is, the operator determination unit 13 detects the area of the region where the operator's finger contacts the touch panel 53 using the output of the touch panel 53. The operator determination unit 13 is set with a threshold value capable of identifying whether the finger is a child finger or an adult finger by comparing with the detected finger area. The operator determination unit 13 determines that the operator is a child when the detected area is equal to or smaller than the threshold value. On the other hand, when the detected area exceeds the threshold, the operator determination unit 13 determines that the operator is an adult.

  Alternatively, the operator determination unit 13 performs image recognition processing on the image data captured by the camera 5, and according to the body shape of the user sitting on the passenger seat, the arrangement of each part of the face, whether or not a child seat is installed, etc. Then, it is determined whether or not the user sitting in the passenger seat is a child.

  Or the operator determination part 13 performs a voice analysis process with respect to the audio | voice data acquired with the microphone 6, and determines whether the sound property acquired from the direction of the front passenger seat is a sound which shows a child's voice. . When the acquired voice data indicates a child's voice, the operator determination unit 13 determines that the user sitting on the passenger seat is a child. On the other hand, when the acquired voice data does not indicate a child's voice, the operator determination unit 13 determines that the user sitting in the passenger seat is not a child.

  Alternatively, the operator determination unit 13 performs voice analysis processing on the voice data acquired by the microphone 6 and calculates the position in the height direction of the sound generation source acquired from the direction of the passenger seat. When the calculated position is lower than the reference position, the operator determination unit 13 determines that the user sitting on the passenger seat is a child. On the other hand, when the calculated position is higher than the reference position, the operator determination unit 13 determines that the user sitting on the passenger seat is an adult.

  Alternatively, the operator determination unit 13 is set with a threshold value that can determine whether or not the pressure applied to the seat surface of the passenger seat is due to a child by comparing with the pressure value detected by the pressure sensor 7. Yes. When the detected pressure value is equal to or lower than the threshold value, the operator determination unit 13 determines that the user sitting on the passenger seat is a child. On the other hand, when the detected pressure value exceeds the threshold value, the operator determination unit 13 determines that the user sitting on the passenger seat is an adult.

  Alternatively, the operator determination unit 13 uses the pressure value detected by the pressure sensor 7 to calculate the weight of the user sitting in the passenger seat. If the calculated weight is equal to or less than the reference weight, the operator determination unit 13 determines that the user sitting on the passenger seat is a child. On the other hand, when the calculated weight exceeds the reference weight, the operator determination unit 13 determines that the user sitting on the passenger seat is an adult.

  Of the contents (hereinafter referred to as “operation contents”) input to the route guidance section 11 or the audio reproduction section 12 by the operation of the operation input section 2, the operation content determination section 14 includes contents (hereinafter referred to as operation restriction targets). "Operation restriction target content") is set in advance. The operation content determination unit 14 determines whether or not the operation content for the route guidance unit 11 or the audio playback unit 12 is operation restriction target content.

  Specifically, for example, the content of switching the display screen of the display unit 3 to another screen among the operation details for the route guide unit 11 is set as the operation restriction target content. Alternatively, of the operation contents for the audio playback unit 12, contents for sending the music being played back and contents for changing the volume of the sound being played are set as operation restriction target contents.

  Of the timings (hereinafter referred to as “operation timings”) at which the route guidance unit 11 or the audio playback unit 12 is operated by the operation input unit 2, the operation timing determination unit 15 (hereinafter referred to as “operations”). Is referred to as “restriction target timing”). The operation timing determination unit 15 determines whether or not the operation timing of the route guidance unit 11 or the audio reproduction unit 12 is an operation restriction target timing.

  Specifically, for example, among the timings at which the route guide unit 11 guides the travel route of the vehicle, the timing at which the display unit 3 displays an image that guides a left or right turn such as an intersection or a lane change is an operation restriction. The target timing is set. Alternatively, the timing at which the audio playback unit 12 is playing back audio data is set as the operation restriction target timing.

  The operation restriction unit 16 determines that the operator is an operation restriction target user in the operator determination unit 13, determines that the operation content is operation restriction target content in the operation content determination unit 14, and operates the operation timing. When the determination unit 15 determines that the operation timing is the operation restriction target timing, the operation of the operation input unit 2 is invalidated. Further, the operation restriction unit 16 is determined when the operator determination unit 13 determines that the operator is not an operation restriction target user, when the operation content determination unit 14 determines that the operation content is not operation restriction target content, or When the operation timing determination unit 15 determines that the operation timing is not the operation restriction target timing, the operation of the operation input unit 2 is validated.

  The operation restriction unit 16 notifies the route guidance unit 11 whether the operation is valid or invalid. When the operation restriction unit 16 validates the operation, the route guide unit 11 reflects the operation in its own operation. That is, the route guidance unit 11 causes the display unit 3 to display an image reflecting the content of the operation and causes the audio output unit 4 to output a sound reflecting the content of the operation. On the other hand, when the operation restriction unit 16 invalidates the operation, the route guidance unit 11 does not reflect the operation in its own operation.

  Similarly, the operation restriction unit 16 notifies the audio playback unit 12 whether the operation is valid or invalid. When the operation restriction unit 16 validates the operation, the audio playback unit 12 reflects the operation in its own operation. That is, the audio reproduction unit 12 causes the audio output unit 4 to output a sound reflecting the content of the operation. On the other hand, when the operation restriction unit 16 invalidates the operation, the audio playback unit 12 does not reflect the operation in its own operation.

  The route guide unit 11, the audio playback unit 12, the operator determination unit 13, the operation content determination unit 14, the operation timing determination unit 15, and the operation restriction unit 16 constitute the control unit 1. The in-vehicle information device 100 is configured by the control unit 1, the operation input unit 2, the display unit 3, and the audio output unit 4.

  The function of the control unit 1 is realized by a dedicated processing circuit 54. The processing circuit 54 is, for example, a system LSI (Large Scale Integration), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array), or a combination thereof. A plurality of processing circuits may cooperate to realize the function of the control unit 1.

  Alternatively, the function of the control unit 1 is realized by the memory 55 and the processor 56. The memory 55 stores a program corresponding to each processing step of the route guide unit 11, the audio playback unit 12, the operator determination unit 13, the operation content determination unit 14, the operation timing determination unit 15, and the operation restriction unit 16. . The function of the control unit 1 is realized by the processor 56 executing the program stored in the memory 55. The memory 55 is a non-volatile memory such as an EPROM (Erasable Programmable Read Only Memory), an EEPROM (Electrically Erasable Programmable Read-Only Memory), or a flash memory, for example. The processor 56 is, for example, a CPU (Central Processing Unit), an MPU (Micro-Processing Unit), a microcontroller, or a DSP (Digital Signal Processor). Note that the functions of the control unit 1 may be realized by a plurality of processors working together to execute a program stored in a plurality of memories.

Next, with reference to the flowchart of FIG. 4, the operation of the in-vehicle information device 100 will be described focusing on the operation of the control unit 1.
In an initial state, an operation restriction target user is preset in the operator determination unit 13, operation restriction target content is preset in the operation content determination unit 14, and an operation restriction target is stored in the operation timing determination unit 15. Timing is preset. The operation restriction target user, the operation restriction target content, and the operation restriction target timing may be set when the in-vehicle information device 100 is manufactured, or may be set by the user using the operation input unit 2 or the like. The vehicle on which the in-vehicle information device 100 is mounted is running and the in-vehicle information device 100 is turned on.

  In step ST <b> 1, the route guide unit 11 receives an operation input from the operation input unit 2. Prior to the route guidance unit 11 reflecting the operation on its own operation, the following steps ST2 to ST6 are executed.

  In step ST2, the operation content determination unit 14 determines whether or not the operation content for the route guidance unit 11 in step ST1 is operation restriction target content. Specifically, for example, it is determined whether or not the operation content is content for switching the display screen of the display unit 3 to another screen.

  In step ST3, the operator determination unit 13 determines whether or not the operator of the operation input unit 2 in step ST1 is an operation restriction target user. Specifically, for example, it is determined whether or not the operator is a user sitting in the passenger seat of the vehicle.

  In step ST4, the operation timing determination unit 15 determines whether or not the operation timing of the route guidance unit 11 in step ST1 is an operation restriction target timing. Specifically, for example, it is determined whether or not the operation timing is a timing at which an image for guiding a right or left turn such as an intersection or a lane change is displayed on the display unit 3.

  When the operation content is not the operation restriction target content, the operator is not the operation restriction target user, or the operation timing is not the operation restriction target timing (step ST2 “NO” or step ST3 “NO” or step ST4 “NO”). In step ST5, the operation restriction unit 16 validates the operation accepted in step ST1. The operation restriction unit 16 notifies the route guidance unit 11 that the operation received in step ST1 is valid. The route guidance unit 11 reflects the operation received in step ST1 in its own operation.

  On the other hand, when the operation content is the operation restriction target content, the operator is the operation restriction target user, and the operation timing is the operation restriction target timing (step ST2 “YES” and step ST3 “YES” and step (ST4 “YES”), in step ST6, the operation restriction unit 16 invalidates the operation accepted in step ST1. The operation restriction unit 16 notifies the route guidance unit 11 that the operation accepted in step ST1 is invalid. The route guide unit 11 does not reflect the operation received in step ST1 in its own operation.

  The control unit 1 executes the processes of steps ST1 to ST6 every time the route guidance unit 11 is operated by the operation input unit 2.

  In general, when the display unit 3 displays an image that guides a right or left turn such as an intersection or a lane change, information displayed on the display screen of the display unit 3 is information that is highly important for the driver. In this case, if the operation by the user sitting in the passenger seat is an operation that switches the display screen to another screen, disabling the operation continues to display an image that is highly important to the driver. It is possible to prevent the operation from interfering with driving. On the other hand, when the operation by the user sitting in the passenger seat is not an operation for switching the display screen to another screen, the guidance screen is displayed even if the operation is enabled, so the user has sat in the passenger seat with the operation enabled. User convenience can be improved.

  On the other hand, for example, when the vehicle is traveling along a long straight road such as 10 km (km) along the road, and the display unit 3 does not display an image for guiding a left / right turn or lane change, the display unit The information shown in the display screen 3 is information that is less important for the driver. In this case, regardless of whether or not the operation by the user sitting in the passenger seat is an operation of switching the display screen to another screen, the operation is made effective, thereby improving the convenience of the user sitting in the passenger seat. Can be improved.

Next, another example of the operation of the control unit 1 will be described with reference to the flowchart of FIG.
In step ST <b> 1, the audio reproduction unit 12 receives an operation input from the operation input unit 2. Prior to the audio playback unit 12 reflecting the operation on its own operation, the following steps ST2 to ST6 are executed.

  In step ST2, the operation content determination unit 14 determines whether or not the operation content for the audio playback unit 12 in step ST1 is operation restriction target content. Specifically, for example, it is determined whether or not the operation content is content for sending a song being played back, or content for changing the volume of the sound being played back.

  In step ST3, the operator determination unit 13 determines whether or not the operator of the operation input unit 2 in step ST1 is an operation restriction target user. Specifically, for example, it is determined whether or not the operator is a child sitting in the passenger seat of the vehicle.

  In step ST4, the operation timing determination unit 15 determines whether or not the operation timing of the audio playback unit 12 in step ST1 is the operation restriction target timing. Specifically, for example, it is determined whether or not the operation timing is a timing at which audio data is reproduced.

  When the operation content is not the operation restriction target content, the operator is not the operation restriction target user, or the operation timing is not the operation restriction target timing (step ST2 “NO” or step ST3 “NO” or step ST4 “NO”). In step ST5, the operation restriction unit 16 validates the operation accepted in step ST1. The operation restriction unit 16 notifies the audio reproduction unit 12 that the operation received in step ST1 is valid. The audio playback unit 12 reflects the operation received in step ST1 in its own operation.

  On the other hand, when the operation content is the operation restriction target content, the operator is the operation restriction target user, and the operation timing is the operation restriction target timing (step ST2 “YES” and step ST3 “YES” and step (ST4 “YES”), in step ST6, the operation restriction unit 16 invalidates the operation accepted in step ST1. The operation restriction unit 16 notifies the audio reproduction unit 12 that the operation accepted in step ST1 is invalid. The audio playback unit 12 does not reflect the operation received in step ST1 in its own operation.

  The control unit 1 executes the processes of steps ST1 to ST6 each time the audio playback unit 12 is operated by the operation input unit 2.

  When a child sitting in the passenger seat changes the volume, the volume may increase beyond the driver's assumptions due to random operations, which may hinder smooth driving. In addition, when a child sitting in the passenger seat feeds music, the operation being performed for the driver's intention is hindered, such as the music being played is interrupted. The in-vehicle information device 100 according to the first embodiment disables the operation when the child sitting in the passenger seat performs these operations, and the operation obstructs the operation of the device during driving or execution. Can be prevented. On the other hand, when a child sitting in the passenger seat performs an operation other than the operation restriction target content, such as displaying the title of the song being played, or at a timing other than the operation restriction target timing, such as a timing other than during playback. When the user sitting in the passenger seat is not a child, the user can be more convenient by enabling the operation.

  The camera 5 only needs to be able to photograph a user who can operate the operation input unit 2 among the users who have boarded the vehicle, and is not limited to the arrangement facing the passenger seat. Similarly, the microphone 6 is not limited to the arrangement facing the passenger seat as long as the microphone 6 can acquire the voice uttered by the user who can operate the operation input unit 2 among the users who have boarded the vehicle. . Moreover, the pressure sensor 7 should just be provided in the seat where the user who can operate the operation input part 2 sits, and is not limited to a passenger seat. Moreover, it is good also as a structure which removed the member which the operator determination part 13 does not use for an operator's determination among the cameras 5, the microphone 6, and the pressure sensor 7. FIG.

  Further, the operation restriction target user is not limited to all users sitting in the passenger seat of the vehicle or children sitting in the passenger seat of the vehicle. As long as it can be determined using at least one of the touch panel 53, the camera 5, the microphone 6, and the pressure sensor 7, a user with any characteristic may be set as the operation restriction target user. The operation restriction target user can be arbitrarily set by the user using the operation input unit 2 or the like.

  Further, the operation restriction target content of the route guidance unit 11 is not limited to the content of switching the display screen of the display unit 3 to another screen. The operation restriction target content of the audio playback unit 12 is not limited to the content of sending the music being played back or the content of changing the volume of the audio being played back. The operation restriction target content can be arbitrarily set by the user using the operation input unit 2 or the like.

  In addition, the operation restriction target timing of the route guide unit 11 is limited to the timing at which the display unit 3 displays an image that guides a left / right turn such as an intersection or a lane change among the timings of guiding the travel route of the vehicle. Is not to be done. The operation restriction target timing of the audio reproduction unit 12 is not limited to the timing at which audio data is reproduced. The operation restriction target timing can be arbitrarily set by the user using the operation input unit 2 or the like.

  Further, the functions of the in-vehicle information device 100 are not limited to the functions of the navigation device and the audio device. As long as it is an information device operated by the operation input unit 2 such as the touch panel 53, any information device function may be achieved. The user can arbitrarily set the operation restriction target content and the operation restriction target timing according to the function of the in-vehicle information device 100 using the operation input unit 2 or the like.

  The in-vehicle information device 100 may be configured by a car navigation device mounted on a vehicle. Alternatively, the in-vehicle information device 100 may be configured by a mobile information terminal such as a smartphone or a PND (Portable Navigation Device) brought into the vehicle.

  As described above, the in-vehicle information device 100 according to Embodiment 1 determines whether or not the operator who has performed an input operation on the operation input unit 2 is an operator set as an operation restriction target. 13, the operation content determination unit 14 that determines whether or not the operation content input to the operation input unit 2 is the content set as the operation restriction target, and the operation timing when the input operation of the operation input unit 2 is performed. The operation timing determination unit 15 that determines whether or not the operation restriction target is set, and the operator is the operator set as the operation restriction target, and the operation content is set as the operation restriction target And an operation restriction unit 16 that invalidates the operation of the operation input unit 2 when the operation timing is set to the operation restriction target. Even if the operator is an operation restriction target user, if the operation content is not the operation restriction target content or if the operation timing is not the operation restriction target timing, the input operation can be performed by enabling the operation. User convenience can be improved while preventing hindering smooth operation or device operation during execution.

  The in-vehicle information device 100 includes a route guide unit 11 that guides the travel route of the vehicle. The operation timing determination unit 15 sets the timing at which the route guide unit 11 guides the travel route as an operation restriction target. Thereby, the timing at which information of high importance for the driver is guided, such as the timing at which an image for guiding a right / left turn such as an intersection or a lane change is displayed on the display unit 3, is set as the operation restriction target timing. Can do.

  Further, the operation content determination unit 14 sets the content of switching the screen displayed on the display unit 3 to another screen as an operation restriction target. Thereby, when the display unit 3 displays information that is highly important to the driver, the operation of switching the display screen is invalidated to prevent smooth operation or hindering operation of the device being executed. However, it is possible to improve convenience by enabling an operation that does not switch the display screen.

  The operator determination unit 13 includes a camera 5 that captures the inside of the vehicle, a microphone 6 that acquires sound in the vehicle, a touch panel 53 that configures the operation input unit 2, and a pressure sensor 7 that is provided in the seat of the vehicle. It is determined whether or not the operator is an operator set as an operation restriction target using at least one of them. As long as the user can make a determination using these hardware, a user with any characteristic can be set as an operation restriction target user.

  In addition, the operator determination unit 13 sets an operator sitting in the passenger seat of the vehicle as an operation restriction target. Thereby, the operation contrary to the driver's will by the user sitting in the passenger seat who is likely to operate the in-vehicle information device 100 other than the driver can be restricted.

Embodiment 2. FIG.
With reference to FIG. 5, the in-vehicle information device 100 provided with the operation restriction unit 16a different from the first embodiment will be described. In FIG. 5, the same blocks as those in the block diagram of the first embodiment shown in FIG. Moreover, since the hardware configuration of the in-vehicle information device 100 is the same as that of the first embodiment, the description will be given with reference to FIGS.

  The operation restriction unit 16a is operated when the operator determination unit 13 determines that the operator is not an operation restriction target user, when the operation content determination unit 14 determines that the operation content is not operation restriction target content, or operation timing. When the determination unit 15 determines that the operation timing is not the operation restriction target timing, the operation of the operation input unit 2 is validated. The operation restriction unit 16a notifies the route guidance unit 11 that the operation is valid.

  The operation restriction unit 16a determines that the operator is an operation restriction target user by the operator determination unit 13, and determines that the operation content is operation restriction target content by the operation content determination unit 14, and When the operation timing determination unit 15 determines that the operation timing is the operation restriction target timing, the operation input unit 2 has a screen in which the operation of the operation input unit 2 is enabled (hereinafter referred to as an “effective screen”). The route guidance unit 11 is notified that a screen in which the operation is invalid (hereinafter referred to as “invalid screen”) is displayed on the display unit 3.

  Specifically, for example, the display area of the display unit 3 is divided into left and right parts, and an effective screen is displayed in one area and an invalid screen is displayed in the other area. Alternatively, the effective screen is displayed in the entire display area of the display unit 3 and the invalid screen is displayed in a small size by being superimposed on the corner of the display area. Not limited to this, any display may be used as long as the display of the invalid screen is not hindered.

Next, the operation of the control unit 1 will be described with reference to the flowchart of FIG.
In FIG. 6, the same steps as those in the flowchart of the first embodiment shown in FIG. In the initial state, the operator determination unit 13 is set such that the user sitting in the passenger seat of the vehicle is the operation restriction target user. In the operation content determination unit 14, the content of switching the display screen of the display unit 3 to another screen is set as the operation restriction target content. In the operation timing determination unit 15, a timing at which an image for guiding a right / left turn such as an intersection or a lane change is displayed on the display unit 3 is set as an operation restriction target timing.

  The route guidance unit 11 executes the process of step ST1, the operation content determination unit 14 executes the process of step ST2, the operator determination unit 13 executes the process of step ST3, and the operation timing determination unit 15 performs the process of step ST4. Execute the process.

  When the operation content is not the operation restriction target content, the operator is not the operation restriction target user, or the operation timing is not the operation restriction target timing (step ST2 “NO” or step ST3 “NO” or step ST4 “NO”). The operation restriction unit 16a executes the process of step ST5.

  On the other hand, when the operation content is the operation restriction target content, the operator is the operation restriction target user, and the operation timing is the operation restriction target timing (step ST2 “YES” and step ST3 “YES” and step In step ST6a, the operation restriction unit 16a notifies the route guidance unit 11 that an invalid screen is displayed together with the valid screen. The route guide unit 11 causes the display unit 3 to display an effective screen that reflects the operation content of step ST1 and causes the display unit 3 to display an invalid screen that does not reflect the operation content of step ST1.

  As described in the first embodiment, when the display unit 3 displays an image that guides a left or right turn such as an intersection or a lane change, the information displayed on the display screen of the display unit 3 is highly important for the driver. Information. In this case, the in-vehicle information device 100 according to the second embodiment, when the operation by the user sitting in the passenger seat is an operation for switching the display screen to another screen, the screen after the switching is displayed on the display unit 3 as an effective screen. By displaying, it is possible to secure the convenience of the user sitting in the passenger seat. At the same time, by displaying the screen before switching on the display unit 3 as an invalid screen, the display of the screen having high importance for the driver is continued, and this operation hinders smooth driving or device operation during execution. Can be prevented.

  As described above, the in-vehicle information device 100 according to Embodiment 2 determines whether or not the operator who has performed an input operation on the operation input unit 2 is an operator set as an operation restriction target. 13, the operation content determination unit 14 that determines whether or not the operation content input to the operation input unit 2 is the content set as the operation restriction target, and the operation timing when the input operation of the operation input unit 2 is performed. The operation timing determination unit 15 that determines whether or not the operation restriction target is set, and the operator is the operator set as the operation restriction target, and the operation content is set as the operation restriction target When the operation timing is set to the operation restriction target, the screen with the operation of the operation input unit 2 enabled and the screen with the operation of the operation input unit 2 disabled are displayed. Display on display 3 And an operation limiting unit 16a for. When the input operation satisfies the operation restriction target condition, both the valid screen reflecting the operation details and the invalid screen not reflecting the operation details are displayed so that the convenience of the operator is not impaired. It is possible to prevent the operation from interfering with smooth operation or device operation during execution.

Embodiment 3 FIG.
With reference to FIG. 7, an in-vehicle information device 100 provided with an operation restriction unit 16b different from the first and second embodiments will be described. In FIG. 7, blocks similar to those in the block diagram of the first embodiment shown in FIG. Moreover, since the hardware configuration of the in-vehicle information device 100 is the same as that of the first embodiment, the description will be given with reference to FIGS.

  The operation restriction unit 16b is operated when the operator determination unit 13 determines that the operator is not an operation restriction target user, when the operation content determination unit 14 determines that the operation content is not operation restriction target content, or operation timing. When the determination unit 15 determines that the operation timing is not the operation restriction target timing, the operation of the operation input unit 2 is validated. The operation restriction unit 16b notifies the route guidance unit 11 that the operation is valid.

  The operation restriction unit 16b determines that the operator is an operation restriction target user by the operator determination unit 13, and determines that the operation content is operation restriction target content by the operation content determination unit 14, and When the operation timing determination unit 15 determines that the operation timing is the operation restriction target timing, the effective screen is displayed on the display unit 3 and the operation input unit 2 is disabled (hereinafter referred to as “invalid audio”). The route guidance unit 11 is notified that the voice output unit 4 is to output.

Next, the operation of the control unit 1 will be described with reference to the flowchart of FIG.
In FIG. 8, the same steps as those in the flowchart of the first embodiment shown in FIG. In the initial state, the operator determination unit 13 is set such that the user sitting in the passenger seat of the vehicle is the operation restriction target user. In the operation content determination unit 14, the content of switching the display screen of the display unit 3 to another screen is set as the operation restriction target content. In the operation timing determination unit 15, a timing at which an image for guiding a right / left turn such as an intersection or a lane change is displayed on the display unit 3 is set as an operation restriction target timing.

  The route guidance unit 11 executes the process of step ST1, the operation content determination unit 14 executes the process of step ST2, the operator determination unit 13 executes the process of step ST3, and the operation timing determination unit 15 performs the process of step ST4. Execute the process.

  When the operation content is not the operation restriction target content, the operator is not the operation restriction target user, or the operation timing is not the operation restriction target timing (step ST2 “NO” or step ST3 “NO” or step ST4 “NO”). The operation restriction unit 16b executes the process of step ST5.

  On the other hand, when the operation content is the operation restriction target content, the operator is the operation restriction target user, and the operation timing is the operation restriction target timing (step ST2 “YES” and step ST3 “YES” and step In step ST6b, the operation restriction unit 16b notifies the route guidance unit 11 that the valid screen is displayed on the display unit 3 and the invalid voice is output to the voice output unit 4. The route guidance unit 11 causes the display unit 3 to display an effective screen reflecting the operation content of step ST1 and causes the audio output unit 4 to display invalid voice that does not reflect the operation content of step ST1.

  At this time, the invalid voice is a voice that guides a left or right turn such as an intersection or a lane change. The invalid voice may be one that guides more detailed contents than the guidance voice that is output together with the display of the image that guides the intersection or the like at normal times. As a result, the convenience of the user sitting in the passenger seat is not impaired by switching the display screen according to the operation, and the operation is hindered by outputting detailed guidance voice such as an intersection. Can be prevented.

  Note that the operation restriction target timing is not limited to the timing at which the display unit 3 displays an image that guides a right or left turn such as an intersection or a lane change. For example, the in-vehicle information device 100 includes an audio playback unit 12 similar to that of the first embodiment and a video playback unit that plays back video recorded on a DVD or video of a television broadcast. It is assumed that the timing at which is played is set as the operation restriction target timing. When a user sitting in the passenger seat inputs an operation for playing a video to the video playback unit and switches the screen of the display unit 3 to a video playback screen at the timing when the audio playback unit 12 plays back the audio data, By continuing the sound reproduction by the audio reproducing unit 12 for the sound, it is possible to continue the device operation according to the intention of the driver or the like for the sound.

  As described above, the in-vehicle information device 100 according to Embodiment 3 is an operator determination unit that determines whether or not the operator who has performed an input operation on the operation input unit 2 is an operator set as an operation restriction target. 13, the operation content determination unit 14 that determines whether or not the operation content input to the operation input unit 2 is the content set as the operation restriction target, and the operation timing when the input operation of the operation input unit 2 is performed. The operation timing determination unit 15 that determines whether or not the operation restriction target is set, and the operator is the operator set as the operation restriction target, and the operation content is set as the operation restriction target If it is the content and the operation timing is set to the operation restriction target, a screen in which the operation of the operation input unit 2 is enabled is displayed on the display unit 3 and the operation of the operation input unit 2 is operated. Invalid state Comprising of a handling restriction section 16b to output to the audio output unit 4 audio, an. When the input operation satisfies the operation restriction target condition, an effective screen that reflects the operation content is displayed and an invalid voice that does not reflect the operation content is output so that the operator's convenience is not impaired. It is possible to prevent the operation from interfering with smooth operation or device operation during execution.

  In the present invention, within the scope of the invention, any combination of the embodiments, or any modification of any component in each embodiment, or omission of any component in each embodiment is possible. .

  DESCRIPTION OF SYMBOLS 1 Control part, 2 Operation input part, 3 Display part, 4 Audio | voice output part, 5 Camera, 6 Microphone, 7 Pressure sensor, 11 Route guidance part, 12 Audio reproduction part, 13 Operator determination part, 14 Operation content determination part, 15 operation timing judgment part, 16, 16a, 16b operation restriction part, 51 display, 52 speaker, 53 touch panel, 54 processing circuit, 55 memory, 56 processor, 100 in-vehicle information equipment.

Claims (10)

An operator determination unit that determines whether or not an operator who has performed an input operation on the operation input unit is an operator set as an operation restriction target;
An operation content determination unit for determining whether or not the operation content input to the operation input unit is content set as an operation restriction target;
An operation timing determination unit that determines whether or not the operation timing at which the input operation of the operation input unit is performed is a timing set as an operation restriction target;
When the operator is an operator set as an operation restriction target, the operation content is a content set as an operation restriction target, and the operation timing is a timing set as an operation restriction target , An operation restriction unit that invalidates the operation of the operation input unit;
In-vehicle information equipment comprising   The operation restriction unit is configured such that when the operator is not an operator set as an operation restriction target, when the operation content is not set as an operation restriction target, or the operation timing is set as an operation restriction target. The in-vehicle information device according to claim 1, wherein when it is not timing, the operation of the operation input unit is validated. A route guidance unit for guiding the travel route of the vehicle;
The in-vehicle information device according to claim 1, wherein the operation timing determination unit sets a timing at which the route guide unit guides a travel route as an operation restriction target.   The in-vehicle information device according to claim 3, wherein the operation content determination unit sets the content of switching a screen displayed on the display unit to another screen as an operation restriction target. An audio playback unit that plays back audio data
The in-vehicle information device according to claim 1, wherein the operation timing determination unit sets the timing at which the audio reproduction unit reproduces audio data as an operation restriction target.   The operation content determination unit is configured to set the content to be sent to the music being played back by the audio playback unit or the content to be changed the volume of the audio being played back by the audio playback unit as an operation restriction target. The in-vehicle information device according to claim 5, wherein   The operator determination unit includes at least one of a camera that captures the inside of a vehicle, a microphone that acquires sound in the vehicle, a touch panel that configures the operation input unit, and a pressure sensor provided in a seat of the vehicle. The in-vehicle information device according to any one of claims 1 to 6, wherein the in-vehicle information device is used to determine whether or not the operator is an operator set as an operation restriction target.   8. The in-vehicle information device according to claim 7, wherein the operator determination unit sets an operator sitting in a passenger seat of a vehicle as an operation restriction target. An operator determination unit that determines whether or not an operator who has performed an input operation on the operation input unit is an operator set as an operation restriction target;
An operation content determination unit for determining whether or not the operation content input to the operation input unit is content set as an operation restriction target;
An operation timing determination unit that determines whether or not the operation timing at which the input operation of the operation input unit is performed is a timing set as an operation restriction target;
When the operator is an operator set as an operation restriction target, the operation content is a content set as an operation restriction target, and the operation timing is a timing set as an operation restriction target An operation restriction unit that displays a screen in a state in which the operation of the operation input unit is invalid together with a screen in a state in which the operation of the operation input unit is validated, and
In-vehicle information equipment comprising An operator determination unit that determines whether or not an operator who has performed an input operation on the operation input unit is an operator set as an operation restriction target;
An operation content determination unit for determining whether or not the operation content input to the operation input unit is content set as an operation restriction target;
An operation timing determination unit that determines whether or not the operation timing at which the input operation of the operation input unit is performed is a timing set as an operation restriction target;
When the operator is an operator set as an operation restriction target, the operation content is a content set as an operation restriction target, and the operation timing is a timing set as an operation restriction target An operation restriction unit that causes the display unit to display a screen in a state in which the operation of the operation input unit is enabled, and outputs a sound in a state in which the operation of the operation input unit is disabled to the audio output unit;
In-vehicle information equipment comprising

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