JP4404921B2 - Broadcast receiving mobile terminal - Google Patents

Description

  The present invention relates to a broadcast receiving portable terminal that receives a broadcast.

For example, a mobile phone is known that has a foldable form in which a lid portion is provided so as to be rotatable with respect to the main body, a main display is provided on the inner surface side of the lid portion, and a sub display is provided on the outer surface side. ing. A mobile phone that is equipped with a tuner and is capable of watching TV is also known. When viewing a TV program with such a mobile phone, the TV program is started and a channel selection operation is performed with the lid open, and the received program is displayed on the main display (Patent Document 1). Patent Document 2, Patent Document 3, Patent Document 4, and Patent Document 5).
JP 2001-339495 A JP 2002-232549 A JP 2002-325125 A JP 2000-341379 A JP 2003-158691 A

  By the way, in a portable digital broadcast receiving portable terminal, it is important to suppress wasteful power consumption. On the other hand, if the reception is interrupted against the user's intention to view the broadcast, the usability is poor.

  In view of the above circumstances, an object of the present invention is to provide a broadcast receiving portable terminal that can achieve both power saving and improved usability.

  In order to solve the above-described problem, the broadcast receiving portable terminal of the present invention is a broadcast receiving portable terminal that has broadcast receiving means for receiving broadcast waves and generating video and whose lid can be opened and closed with respect to the main body. A display means for displaying an image generated by the broadcast receiving means, and an open / close detection means for detecting an open / closed state of the lid, provided at a position where the lid or the main body is not exposed when the lid is closed. And a control means for controlling to stop the processing of the broadcast receiving means when the closed state is detected by the open / close detection means when the lid is open and the video is displayed by the display means. Are provided.

  In the broadcast reception type terminal configured as described above, when the lid is open and displaying the video by the display unit, when the closed state is detected by the open / close detection unit, the processing of the broadcast reception unit Setting storage means for storing whether to stop or not, and the control means controls to stop the processing of the broadcast receiving means when it is stored by the setting storage means to stop. It may be a feature.

  Also, the broadcast receiving portable terminal of the present invention has a broadcast receiving means for receiving broadcast waves and generating video and audio, and the lid can be opened and closed with respect to the main body. Display means for displaying the video generated by the broadcast receiving means, and audio output means for outputting the sound output by the broadcast receiving means, provided at a position where the lid and the main body are not exposed when closed. And an open / close detecting means for detecting an open / closed state of the lid portion, and the open / close detecting means when the lid portion is open and displaying video by the display means and outputting audio by the audio output means. And a control means for controlling to stop the display of the video by the display means when the closed state is detected.

  In the broadcast receiving portable terminal configured as described above, when the lid is in the open state and the video display by the display unit and the audio output by the audio output unit are performed, the closed state is detected by the open / close detection unit. A setting storage means for storing a setting as to whether or not to stop the processing of the broadcast receiving means, and when the control means stores that the setting storage means stops the video display by the display means It is good also as controlling to stop.

  Furthermore, the broadcast receiving portable terminal having these configurations includes an instruction receiving unit that receives a stop instruction for stopping display of the video by the display unit, and the control unit receives the stop instruction by the instruction receiving unit, Control may be performed to stop the display of video by the display means.

  Also, the broadcast receiving portable terminal of the present invention has a broadcast receiving means for receiving broadcast waves and generating video and audio, and the lid can be opened and closed with respect to the main body. Provided at a position where the lid and the main body are not exposed when closed, and a first display means for displaying the video generated by the broadcast receiving means, and a position where the lid is exposed regardless of the open / closed state of the lid. Second display means for displaying the video generated by the broadcast receiving means, audio output means for outputting the sound generated by the broadcast receiving means, and open / close detection for detecting the open / closed state of the lid And when the closed state is detected by the open / close detection means, the first display means displays the image and the sound output means outputs the sound. 1 To stop displaying video by Display unit, in which a control means for controlling so as to perform display of an image by the second display means.

  In the broadcast receiving portable terminal configured as described above, when the lid is in the open state and the first display unit displays the video and the audio output unit outputs the sound, the open / close detection unit sets the closed state. When detected, setting storage means for stopping the display of the video by the first display means and storing whether or not to display the video by the second display means; and the control means includes the setting storage means When the video display by the second display means is stored, the display of the video by the first display means is stopped and the video display by the second display means is controlled. .

  Further, the broadcast receiving portable terminal configured as described above further includes an instruction receiving unit that receives a stop instruction for stopping the display of the video by the first display unit or the display of the video by the second display unit, and the control unit includes the instruction When the stop instruction is received by the receiving means, control may be performed to stop the display of the video by the first display means or the display of the video by the second display means.

  The broadcast receiving portable terminal of the present invention includes a broadcast receiving unit that receives broadcast waves and generates video, audio, and character information, and the lid can be opened and closed with respect to the main body. A first display means for displaying an image generated by the broadcast receiving means, which is provided at a position where the lid and the main body are not exposed when the lid is closed, and is exposed regardless of the open / closed state of the lid; A second display means provided at a position for displaying the character information generated by the broadcast receiving means; an audio output means for outputting the sound generated by the broadcast receiving means; and an open / closed state of the lid portion. When the open / close detection means to detect and the lid portion is in the open state and the video display by the first display means and the sound output by the audio output means are performed, the closed state is detected by the open / close detection means When Stops display of the image by the first display means, in which a control means for controlling to perform the display of text information in a second display means.

  In the broadcast receiving portable terminal configured as described above, when the lid is in the open state and the first display unit displays the video and the audio output unit outputs the sound, the open / close detection unit sets the closed state. When detected, a setting storage means for storing whether or not to display the video by the first display means and displaying character information by the second display means; and the control means, the setting storage When it is stored that the video is displayed by the second display means by the means, the display of the video by the first display means is stopped and the character information is displayed by the second display means. Also good.

  Furthermore, the broadcast receiving portable terminal having the above-described configuration further includes an instruction receiving unit that receives a stop instruction for stopping the display of the video by the first display unit or the display of the character information by the second display unit. When a stop instruction is received by the instruction receiving means, control may be performed so as to stop the display of video by the first display means or the display of character information by the second display means.

  Further, in the broadcast receiving portable terminal configured as described above, the mobile communication terminal further includes connection means for connecting an earphone, and connection detection means for detecting the presence or absence of connection in the connection means, and the control means includes the connection detection means The control process may be performed only when the presence of connection is detected by.

According to the present invention, there is an effect that it is possible to achieve both power saving and improved usability.

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 3.

  FIG. 1 is a block diagram showing a portable digital broadcast receiving portable terminal (with a mobile phone function) of this embodiment, and FIG. 2 is a front view showing an appearance of the digital broadcast receiving portable terminal 2. As shown in FIG.

  As shown in FIGS. 2A and 2B, the digital broadcast receiving portable terminal 2 of this embodiment is configured as a foldable digital broadcast receiving portable terminal with a mobile phone function. That is, the lid 2b is provided in a foldable manner so as to be rotatable with respect to the main body 2a. The lid 2b has a main LCD panel 202a on the inner surface side and a sub LCD panel 202b on the outer surface side. . Opening / closing of the lid 2b is detected by an open / close detection switch 231.

  As shown in FIG. 1, the digital broadcast receiving portable terminal 2, as shown in FIG. 1, encodes video / audio data obtained by broadcast reception by the terrestrial digital tuner 230, or a code read from the memory card 3 inserted into the slot 201. The video is displayed on the main LCD panel 202a or the sub LCD panel 202b by the converted video / audio data, and the audio is output from the speaker SP or an earphone (not shown). That is, sound is output from the earphone when the earphone is connected to the earphone connection unit 203, and sound is output from the speaker SP when the earphone is not connected. Information on whether or not the earphone is connected is given from the earphone connection unit 203 to the CPU 209. In this embodiment, it is assumed that the encoded video / audio data is MPEG4 data.

  MPEG4 data read from the memory card 3 is supplied to the MPEG4 video decoder 204 via the PCMCIA interface 220 and the system bus 213. The terrestrial digital tuner 230 receives a terrestrial digital broadcast from an antenna (not shown) provided in the main body 2a or the lid 2b, extracts MPEG4 bit stream data broadcast by the terrestrial digital broadcast, and an MPEG4 video decoder. 204 and the audio decoder (MPEG4-AAC) 206.

  The MPEG4 video decoder 204 obtains quantization coefficients and motion vectors by decoding the MPEG4 bitstream data, and performs video compensation obtained by performing inverse DCT conversion, motion compensation control based on the motion vectors, etc. to the graphics controller 205. Supply. The graphics controller 205 performs processing such as color adjustment on video data (for example, R, G, B data). The graphics controller 205 also performs OSD (on-screen display) processing for displaying characters or the like (menu screen or the like) output from the CPU 209 on the LCD panels 202a and 202b. The audio decoder 206 decodes the audio code data in the bit stream to generate audio data. The SDRAM 210 is used in the above processing of the MPEG4 video decoder 204.

  The first LCD controller 207a drives the main LCD panel 202a based on the video data supplied from the graphics controller 205. The second LCD controller 207b drives the sub LCD panel 202b based on the video data supplied from the graphics controller 205. When one of the set consisting of the first LCD controller 207a and the main LCD panel 202a and the set consisting of the second LCD controller 207b and the sub LCD panel 202b operates, the other set is in an inoperative state, and its control is This is performed by the CPU 209. The D / A converter 208 receives the audio data output from the audio decoder 206, performs D / A conversion, and generates an analog audio signal.

  The main body key 214 includes operation buttons related to viewing and telephone calls, numeric keys, cursor keys, and the like. Operation information for the main body key 214 is given to the CPU 209 via the interface 215 and the system bus 213. The CPU 209 executes necessary processing based on the operation information.

  A communication block 216 and an interface 217 are provided to enable a short-range wireless network. Further, a flash ROM 218 and an SDRAM 219 are also provided. Various setting information by the user is stored in, for example, the Flash ROM 218. The battery 221 is a secondary battery, and obtains power from a charger (not shown) and stores it.

  The CPU 209 also performs processing for a wireless network, read / write control of the FlashROM 218 and the SDRAM 219, and the like. Further, various processes are performed based on the earphone connection information from the open / close detection switch 231 and the earphone connection unit 203.

  (1) When the “setting” item is selected on the menu screen, various setting items are displayed. When “TV viewing lid closed setting” is selected in this item, “always TV OFF when lid is closed”, “audio output when lid is closed”, “audio output when lid is closed / video sub output”, “lid” “Closed audio output / information sub output” is displayed. The user operates the cross key (direction key) to move the cursor onto a desired item and presses the enter key. The CPU 209 stores the item at the cursor position when the enter key is pressed in the flash ROM 218 as user setting information. In addition, when the items "Audio output when lid is closed", "Audio output when lid is closed / Video sub output", and "Audio output when lid is closed / Information sub output" are selected, "Earphone is not worn" Sometimes “TV OFF” and “Continue TV ON even without earphones” are displayed, and the user selects one of them.

  (2) When “always TV OFF when lid is closed” is selected, when CPU 209 detects that the lid is closed during digital broadcast viewing, CPU 209 stops digital broadcast reception processing and video / audio output (TV OFF). A telephone standby screen is displayed on the sub LCD panel 202b.

  (3) When “audio output when the lid is closed” is selected and “TV OFF when the earphone is not worn” is selected, the CPU 209 detects that the lid is closed while viewing the digital broadcast, The earphone connection information from the connection unit 203 is confirmed, and if the earphone is connected, the output of the received sound is continued while the digital broadcast video output is stopped (audio earphone output). If the earphone is not connected, digital broadcast reception processing and video / audio output are stopped (TVOFF). When “TVON continuation without wearing earphone” is selected, audio output is continued without confirming the earphone connection information from the earphone connection unit 203 (audio earphone output or audio speaker output). Since no video is output, it is preferable to stop energization of the MPEG4 video decoder 204, the graphics controller 205, the LCD backlight, and the like. In any case, a telephone standby screen is displayed on the sub LCD panel 202b.

  (4) If “audio output when lid is closed / video sub-output” is selected and “TV OFF when earphones are not attached” is selected, the CPU 209 confirms that the lid is closed during digital broadcast viewing. Upon detection, the earphone connection information from the earphone connection unit 203 is confirmed. If the earphone is connected, the digital broadcast video is output to the sub LCD panel 202b and the received sound is output (audio earphone output). If the earphone is not connected, digital broadcast reception processing and video / audio output are stopped (TVOFF). When “TVON continuation without earphones” is selected, the digital broadcast video is output to the sub-LCD panel 202b and the sound output is continued without confirmation of the earphone connection information from the earphone connection unit 203 (audio earphone output). Or audio speaker output).

  (5) When “audio output when lid is closed / information sub output” is selected and “TV OFF when earphones are not worn” is selected, the CPU 209 confirms that the lid is closed during digital broadcast viewing. Upon detection, the earphone connection information from the earphone connection unit 203 is confirmed, and if it is in the earphone connection state, the program information of the program and the accompanying data broadcast data are read from the memory. For example, as shown in FIG. The information is output to the sub LCD panel 202b and the received voice is also output (voice earphone output). If the earphone is not connected, digital broadcast reception processing and video / audio output are stopped (TVOFF). When “TVON continuation without earphones” is selected, the character information of the digital broadcast is output to the sub LCD panel 202b and the sound output is continued without confirmation of the earphone connection information from the earphone connection unit 203 (sound Earphone output or audio speaker output). In addition, since it is a character display, the energization to the MPEG4 video decoder 204 may be stopped.

  For further power saving, selection items such as “stop video display when battery level is low” or “stop video display by button operation” may be provided in the menu items. When “stop video display when battery level is low” is selected, video output is stopped even when the main LCD panel 202a or sub LCD panel 202b displays video when the battery level falls below a predetermined threshold. The power supply to the backlight or the like is also stopped. Broadcast reception continues and the output of received audio continues. When “stop video display by button operation” is selected, when the corresponding button is operated, video output is stopped even in the video display state by the main LCD panel 202a or the sub LCD panel 202b, and power is supplied to the backlight or the like. Is also stopped. Broadcast reception continues and the output of received audio continues.

  In the above example, the main LCD panel 202a is provided on the inner surface side of the lid 2b and the sub LCD panel 202b is provided on the outer surface side. However, the present invention is not limited to this. For example, the lid 2b is movably provided with respect to the main body 2a and has a form that can be made compact, and the lid 2b or the main body 2a has a display, and the display is made invisible in the compacted state. A broadcast receiving portable terminal may be used (for example, a configuration in which only the main display is provided in the lid 2b). Further, the lid 2b is movably provided with respect to the main body 2a, and can be made compact. The lid 2b and / or the main body 2a are appropriately provided with a main display and a sub display (for example, the above example). A similar configuration, or a folding type main body 2a with a main display and a lid 2b with a sub-display), and the main display is invisible and the sub-display can be seen in a compact state A receiving portable terminal may be used. Note that the folding type and the lid rotating type can form both the state in which the main display is invisible and the state in which the main display is invisible in the compacted state. Good. In addition, the slide type and the revolver type can display the display even in a compact state, but in such a type, the above-mentioned "stop video display when battery level is low" or "stop video display by button operation" It is good to have the function.

  In the above example, it is based on user settings, but even without such settings, audio output when the lid is closed and video / information output by the sub screen are performed on the condition that the earphones are attached, and the earphones are attached. If not, TVOFF processing may be performed.

It is the block diagram which showed the structure of the digital broadcast receiving portable terminal of embodiment of this invention. It is the top view which showed the external appearance of the digital broadcast receiving portable terminal of embodiment of this invention, the figure (a) shows a state when a cover part is opened, and the figure (b) shows when a cover part is closed. Shows the state. It is explanatory drawing which showed the example of a subscreen display at the time of a lid closing.

Explanation of symbols

2 Digital Broadcasting Receiving Portable Terminal 2a Main Body 2b Lid 202a Main LCD Panel 202b Sub LCD Panel 205 Graphics Controller 207a First LCD Controller 207b Second LCD Controller 209 CPU

Claims (8)

In a broadcast receiving portable terminal that has broadcast receiving means for receiving broadcast waves and generating video, and whose lid can be opened and closed with respect to the main body,
Display means for displaying an image generated by the broadcast receiving means provided at a position where the lid or the main body is not exposed when the lid is in a closed state;
Open / close detecting means for detecting the open / closed state of the lid;
Connection means for connecting the earphones;
Connection detecting means for detecting the presence or absence of connection in the connection means;
When the lid is open and displaying the video by the display means, when the closed state is detected by the open / close detection means, control to stop the video generation process of the broadcast receiving means,
A broadcast receiving portable terminal comprising: control means for controlling to stop the sound output of the broadcast wave when the closed state is detected by the open / close detection means and the absence of connection is detected by the connection detection means . Whether the video generation processing of the broadcast receiving means is to be stopped when the closed state is detected by the open / close detection means when the lid is open and the video is displayed by the display means And setting storage means for storing
The broadcast receiving portable terminal according to claim 1, wherein the control means controls to stop the video generation processing of the broadcast receiving means when it is stored that the setting storage means stops. Comprising an instruction receiving means for receiving a stop instruction for stopping display of video by the display means;
The broadcast receiving portable terminal according to claim 1 or 2, wherein the control unit controls the display unit not to display a video when a stop instruction is received by the instruction receiving unit. In a broadcast receiving portable terminal that has broadcast receiving means for receiving broadcast waves and generating video, audio and text information, and whose lid can be opened and closed with respect to the main body,
First display means that is provided at a position where the lid and the main body are not exposed when the lid is in a closed state, and that displays the video generated by the broadcast receiving means;
A second display unit that is provided at an exposed position regardless of the open / closed state of the lid, and that displays character information about the generated video generated by the broadcast receiving unit;
Audio output means for outputting the sound generated by the broadcast receiving means;
Open / close detecting means for detecting the open / closed state of the lid;
When the lid is in the open state and displaying the video by the first display means and outputting the sound by the audio output means, when the closed state is detected by the open / close detection means, the first display means A broadcast receiving portable terminal comprising: control means for controlling to prevent the video from being displayed by the second display means, and controlling to display the character information relating to the generated video by the second display means. When the lid is in the open state and displaying the video by the first display means and outputting the sound by the audio output means, when the closed state is detected by the open / close detection means, the first display means A setting storage means for controlling to prevent the video from being displayed and storing a setting as to whether or not to display the character information by the second display means;
The control means performs control so that an image is not displayed by the first display means when the character information is displayed by the second display means by the setting storage means, and the character information by the second display means is controlled. The broadcast receiving portable terminal according to claim 4, wherein the broadcast receiving portable terminal is controlled so as to display. An instruction receiving means for receiving a stop instruction for stopping the display of video by the first display means or the display of character information by the second display means;
The control means performs control so that an image is not displayed by the first display means when the stop instruction is received by the instruction receiving means, or control is performed so as to stop displaying character information by the second display means. The broadcast receiving portable terminal according to claim 4 or 5, characterized in that: Connection means for connecting the earphones;
Connection detecting means for detecting the presence or absence of connection in the connection means,
The broadcast receiving portable terminal according to any one of claims 4 to 6, wherein the control means performs a control process only when the connection detecting means detects the presence of a connection. Connection means for connecting the earphones;
Connection detecting means for detecting the presence or absence of connection in the connection means,
  The control means includes
The broadcast receiving portable terminal according to any one of claims 4 to 6, wherein when the closed state is detected by the open / close detecting means and the absence of connection is detected by the connection detecting means, the audio output of the broadcast wave is controlled to stop. .