JP3398029B2 - Telephone equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone device capable of receiving a calling party number.

[0002]

2. Description of the Related Art Currently, a telephone number display service for a telephone station (subscriber line switch) to notify a telephone device of a called party of a telephone number (calling party number) of a telephone device (information receiving terminal) of a calling party. (Pre-communication information notification service) is November 1, 1997
It was carried out from the day.

By the way, a method for effectively utilizing such a calling party number has been considered. For example, register a telephone number using the numeric keypad, compare the calling number received when receiving a call with the registered number, and if they match, display the name corresponding to the registered number, change the notification method of the incoming call, or Is to reject incoming calls.

[0004]

This function of rejecting an incoming call is very convenient as a countermeasure against, for example, a prank call. However, after the user makes a note of the caller's number felt as a prank call, the The process of registering the calling party number is required.

[0005]

The telephone device of the present invention has been made in view of the above points, and has a notifying means for notifying an incoming call, a storage means for storing a registered calling party number, and an incoming call. Calling party number detecting means for detecting the calling party number, and when the calling party number detected by the calling party number detecting means matches the calling party number stored in the storage means, A telephone device having a control means for prohibiting notification, comprising an on-hook detection means for detecting that the call partner is on-hook, wherein the control means detects the on-hook of the call partner within a predetermined time after an incoming call is answered. The calling party number detected in the incoming call is stored in the storage means. Further, the control means includes a voice detecting means for detecting the presence or absence of the voice of the other party, and when the control means detects the silence of the other party for a predetermined time after answering the incoming call, the caller number detected in the incoming call is stored in the storage means. .

Another telephone device of the present invention is a calling party number detecting means for detecting a calling party number, a voice detecting means for detecting the presence / absence of voice of the calling party, and a notifying means for notifying an incoming call. And a control means for prohibiting the operation of the informing means for the incoming call of the same calling party number as the calling party number detected in the incoming call when the silence of the other party is detected for a predetermined time after the incoming call is answered. It is characterized by that.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described with reference to the drawings by taking a cordless telephone device composed of a master unit (1) and a slave unit (2) wirelessly connected to the master unit as an example. FIG. 1 is a block diagram showing a configuration of a main part of the master unit (1), and FIG. 2 is a block diagram showing a configuration of a main part of the slave unit (2).

First, the structure of the main part of the master unit (1) will be described. In FIG. 1, reference numeral (11) is an incoming call detection circuit, which is connected to the telephone line (L) and which waveform-shapes the incoming signal into a pulse signal and outputs it. (12) is a calling party number detecting circuit, which detects a calling party's telephone number (calling party number) from a telephone station via a telephone line. The telephone number to be detected consists of the area code, local area code, and subscriber number, and always includes the area code. (13) is a network circuit, which is connected to a telephone line to open and close the line. (14) is a dial transmission circuit, and transmits a dial number designated by a control circuit (23) described later.

Reference numeral (15) is a handset, which has a speaker (16) and a microphone (17). (1
A receiving circuit 8) receives a signal from the slave unit (2) via the antenna (19). Reference numeral (20) is a transmission circuit, which transmits the output signal of the network circuit (14) to the slave unit (2) through the antenna (19). (21) is P
The LL circuit, which is the receiving circuit (18) and the transmitting circuit (20)
Change the transmission / reception frequency of.

A switching circuit (22) switches the connection to the network circuit (13) to the handset (15) side or the receiving circuit (18) / transmitting circuit (20) side.

Reference numeral (23) is a control circuit composed of a microprocessor, which stores a program for operation in a ROM (2
Each part is controlled based on 4). Reference numeral (25) is a RAM, which stores information necessary for the operation of the control circuit (23).
The RAM (25) has an incoming call rejection area for storing a calling party number for rejecting an incoming call and a specific number area for storing a calling party number which seems to be a prank call. In addition, the number of incoming calls can be stored in the specific number area corresponding to the calling number.

Reference numeral (26) is a bell, which outputs a ringing tone when an incoming call arrives. (27) is a liquid crystal display means capable of switching between green and red backlights and displays a telephone number or the like. Reference numeral (28) is an input means, which has a ten-key (281) for inputting a telephone number and a function key (282) for registering a calling number. (29) is a switch for detecting on-hook and off-hook of the handset (15). Reference numeral (30) is a polar detection circuit, which detects that the polarity of the telephone line has been reversed, and detects the on-hook of the other party during a call.

Next, the structure of the main part of the slave unit (2) will be described.
In FIG. 2, reference numeral (31) is a receiving circuit, which receives a signal from the base unit (1) via the antenna (32).
(33) is a transmission circuit, which receives an input signal from an antenna (3
Call the base unit (1) via 2). (34) is the PLL
It is a circuit and changes the transmission / reception frequency of the reception circuit (31) and the transmission circuit (33).

(35) is a speaker, and an amplifier circuit (3
The electric signal of the receiving circuit (31) amplified in 6) is converted into voice. (37) is a microphone, which converts voice into an electric signal. Reference numeral (38) is an amplifier circuit, which amplifies the output of the microphone (37) and outputs it to the transmission circuit (33).

Reference numeral (39) is a control circuit composed of a microprocessor, and ROM (4
Each part is controlled based on 0). Reference numeral (41) is a RAM, which stores information necessary for the operation of the control circuit (39).
Reference numeral (42) is a bell, which outputs a ringing tone when an incoming call arrives.
(43) is a liquid crystal display means capable of switching between green and red backlights, and displays a telephone number, a call time, a call charge, and the like. Reference numeral (44) is an input means, which has a call key (441) for starting a call, an off key (442) for ending the call, and a ten-key (443) for inputting a dial number.

Next, FIG. 3 shows a control circuit (2) of the base unit (1).
3 is a flowchart of a main program written in 3), and the operation will be described based on this.

When the control circuit (23) detects the calling party number from the calling party number detection circuit (12), it displays the calling party number on the display means (27) and displays the calling party number data. It is transmitted to the child device (2) (S1). As a result, the control means (39) of the slave unit (2) displays the calling party number on the display means (43). The control circuit (23) of the parent device (1) determines whether or not the received caller number is stored in the incoming call rejection area of the RAM (25) (S).
2). If it is stored, it returns to the reception standby state and the bell (26) is not driven in response to the reception of the incoming signal (S
2).

If not stored, the bell (26) is driven in response to the reception of the incoming signal from the telephone line (L), and the incoming reception signal is transmitted to the slave unit (2) (S).
3). The control circuit (23) of the slave unit (2) which receives this also drives the bell (42).

After this, when the handset (15) is off-hook or the call key of the handset (2) is operated and a call request signal is transmitted from the handset (2) (S
4), the control circuit (23) of the master unit (1) closes the telephone line (L) and, if it is off-hook of the handset (15), connects the handset (15) and the network circuit (13). If the call request is from the slave unit (2), the receiving circuit (18) / transmitting circuit (20) is connected to the network circuit (13) (S5). Then, the built-in timer is activated to measure 5 seconds (S6, 8).
When it is detected that the other party goes on-hook within 5 seconds, the received caller number is stored in the specific number area of the RAM (25) (S9, 10). If the calling party number is already stored in the RAM (25), the number of incoming calls is counted up and it is determined whether the value is "3" (S).
11, 12). If it is "3", the calling party number is stored in the call rejection area and the calling party number in the specific number area is cleared (S13).

When the call is hung up within 5 seconds after the incoming call is answered three times, it is usually considered as a mischievous call and the incoming call notification is prohibited for this calling number.

After these processes, the handset (15)
Other processing such as on-hook detection of is performed.

Next, FIG. 4 is a block diagram of a base unit (1) of another embodiment, in which a voice detection circuit (301) is provided instead of the polarity detection circuit (30) of FIG. The voice detection circuit (301) is connected to the signal line of the other party of the network circuit (13) and detects the silent period of the other party.
In this case, the sidetone in the network circuit (13) is suppressed to a very low level, and the voice detection circuit (301) is set so as not to detect the sidetone with respect to the normal voice level.

FIG. 5 is a flow chart of the main program written in the control circuit (23) of the master unit (1) in FIG. 4, and when the silence of the other party is detected for 5 seconds after the incoming call response in step S14, This is judged as a mischievous call and the calling number is stored in the incoming call rejection area of the RAM (25). The other processes are the same as the processes in FIG. 3, and the description thereof is omitted here.

In the present invention, when an on-hook within 5 seconds or a silence for 5 seconds is detected three times, it is judged as a prank call and the calling number is set in the incoming call rejection area of the RAM (25). I tried to memorize it, but RAM is detected once.
It may be stored in the incoming call rejection area of (25).

[0025]

Since the present invention is configured as described above, it is possible to automatically register the calling number of a telephone or the like,
After that, it becomes possible to prohibit incoming call notification for this.

[Brief description of drawings]

FIG. 1 is a block diagram of a master unit of a telephone device of the present invention.

FIG. 2 is a block diagram of a child device of the telephone device of the present invention.

FIG. 3 is a flowchart of a program of a main part of a base unit of the telephone device of the present invention.

FIG. 4 is a block diagram of a base unit of another embodiment of the telephone device of the present invention.

FIG. 5 is a flowchart of a program of a main part of a base unit of another embodiment of the telephone device of the present invention.

[Explanation of symbols]

1 base unit 2 cordless handsets 23 Control circuit (master unit) 30 Positive detection circuit 39 Control circuit (slave unit) 301 Voice detection circuit

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-9-107398 (JP, A) JP-A-8-204814 (JP, A) JP-A-8-228219 (JP, A) JP-A-64- 30355 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) H04M 1/66 H04M 1/57

Claims (2)

(57) [Claims] 1. A notification means for notifying an incoming call, which is registered
Storage means to store the calling party number
Number detecting means for detecting the number and the calling number detection
The calling party number detected by the means is stored in the storage means.
If the calling number matches, the notification by the notification means is prohibited.
A telephone apparatus provided with a control means for, on-hook to detect that the called party is on-hook
Detecting means, the control means within a predetermined time after the incoming call response
When the other party's on-hook is detected,
A telephone device , wherein the detected calling number is stored in the storage means . 2. A notification means for notifying an incoming call,
Storage means to store the calling party number
Number detecting means for detecting the number and the calling number detection
The calling party number detected by the means is stored in the storage means.
If the calling number matches, the notification by the notification means is prohibited.
And a voice detecting means for detecting the presence or absence of voice of the other party.
However, the control means does not allow the other party to
When a sound is detected, the calling party number detected in the incoming call
A telephone device characterized by being stored in a storage means .