JPH07143225A - Telephone system - Google Patents

Abstract

PURPOSE:To prevent a prank call by detecting andsuccessively storing caller telephone numbers sent from a telephone circuit at the time of incoming calls and prohibiting calling for the stored specific telephone number. CONSTITUTION:At the time of the incoming call, when the incoming call is detected through an incoming call detection circuit 7, the control circuit 11 of a master set 1 inputs the telephone number data of a caller through a caller information detection circuit 8. The circuit 11 transmits the telephone number to a slave set, judges whether or not the telephone number is stored in a memory 10 and when it is stored, decides whether or not a calling prohibition flag is set. Then, when the flag is not set, an incoming call signal is transmitted to a slave set. When the flag is set, the transmission of the incoming call to the slave set is prohibited. The call prohibition flag is set by performing key input from the slave set.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone device provided with countermeasures against a prank call.

[0002]

2. Description of the Related Art Conventionally, as disclosed in, for example, Japanese Patent Publication No. 53-21605, in order to ignore repeated calls from the same caller such as a prank call, a predetermined personal identification number is used for the telephone line. Telephones have been developed that ring only when entered via.

[0003]

However, in the above-mentioned telephone, all telephone calls of persons who do not know the personal identification number are ignored, and there is a possibility that important matters cannot be transferred.

[0004]

SUMMARY OF THE INVENTION A telephone device of the present invention includes a detecting means for detecting caller information sent from a telephone line when an incoming call is received, and a memory for sequentially storing the caller information by the detecting means. Means and setting means for setting information for prohibiting calling to the calling party information stored in the storage means,
It is determined whether or not the calling party information by the detection means is stored in the storage means, and when stored, if the information for prohibiting the call is set for the information, the call for the incoming call is prohibited. It has a prohibition means.

Further, another telephone device of the present invention comprises a detecting means for detecting the caller information sent from the telephone line when receiving a call, and a storing means for storing the input telephone number information.
Setting means for setting information for prohibiting calling to the calling party information stored in the storage means, and determining whether the calling party information by the detecting means is stored in the storage means, and storing If the information for prohibiting the call is set for that information, the prohibition means for prohibiting the call for the incoming call is provided.

[0006]

The present invention has been implemented in the United States, etc.
As disclosed in Japanese Patent Publication No. 9783, attention is paid to a system for transmitting information relating to a telephone number of a caller to a telephone line, and the system is configured as described above. By marking it, calling can be prohibited only for that telephone number.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings by taking a cordless telephone device as an example.

FIG. 1 shows a block diagram of the master unit (1),
(3) is a receiving circuit, and the received signal is given to the hybrid circuit (5) through the amplifier (4). The hybrid circuit (5) performs 2-line to 4-line conversion and is connected to the telephone line (L). (6) is a control circuit (11)
And a transmission circuit to which a signal from the hybrid circuit (5) is supplied, which is configured to transmit a signal to the slave unit (2). (7) is an incoming call detection circuit for detecting an incoming call, and (8) is a calling party information detection circuit, which plays a role of a tone signal detection and a decoder. That is, at present, in the United States or the like, when transmitting an incoming signal from the exchange side, the telephone number data of the calling party is transmitted through the modem during the idle period. This calling party information detecting circuit (8) Detects the telephone number data and gives it to the control circuit (11). At the exchange, each digit of the telephone number is converted into a digital code and is modulated via a modem. (9) closes the telephone line (L),
A line connection circuit for opening, (10) a memory, a callers storage area for storing the telephone number data from the caller information detection circuit (8), and a key circuit (1) for the handset (2).
9) has a directory storage area for storing the telephone number data input by 9) and an area for storing a flag for prohibiting calling of the telephone number data stored in each storage area. It has a structure like. (11) is a control circuit composed of a microprocessor, which includes an incoming call detection circuit (7) and a caller information detection circuit (8).
Each circuit is controlled based on the signal from the.

FIG. 2 shows a block diagram of the slave unit (2), (12) a receiving circuit for receiving a signal from the master unit (1), and (13) a signal from the receiving circuit (12). An amplifier that amplifies and gives the speaker (14), and (15) is a transmission circuit that receives a signal from the microphone (16) through the amplifier (17) and transmits the signal to the master unit (1). (18) is a bell that outputs a ringing tone when a call arrives, (1
9) is a numeric keypad (20), a call key (21), an end key (22), a registration key (23), a callers key (24) and a directory key (25) for accessing a callers area or a directory area, and a change The key circuit includes a key (26) and a prohibition key (27) for designating a telephone number for prohibiting calling. (28) is a liquid crystal display for displaying a telephone number and the like, and (29) is a control circuit composed of a microprocessor, which is based on the output signal of the key circuit (19) and the control signal from the master unit (1) ( 1)
The control unit controls to send a control signal and a dial signal to each unit, and also controls each unit.

FIG. 3 shows a control circuit (1) of the base unit (1).
In the flowchart of the program of the main part at the time of incoming call written in 1), the operation will be described based on this. First, when an incoming call arrives, the control circuit (1
When detecting an incoming call via the incoming call detection circuit (7) (step S1), 1) inputs the telephone number data of the calling party via the calling party information detection circuit (8) (step S2).
When the control circuit (11) inputs this telephone number data, it transmits the telephone number data to the slave unit (2) and whether the telephone number data is stored in the callers area or the directory area of the memory (10). It is determined whether or not (steps S3 and 4). And if it is remembered,
It is determined whether the call prohibition flag is set for the telephone number data (step S5). If it is not set (of course, even if the telephone number data is not stored), an incoming signal is transmitted to the child device (2) (step S6) and the telephone number data is stored in the callers area of the memory (10). Is stored (step S7). or,
If the calling prohibition flag is set, the transmission of the incoming signal to the slave unit (2) is prohibited, and the memory (1
Store this phone number data in the 0) Callers area,
After the termination of the incoming call, a display stop signal is transmitted to the slave unit (2) (steps S5, 8-10).

In the control circuit (29) of the slave unit (2), when the telephone number data is first received, the telephone number is displayed on the liquid crystal display (28), and when the incoming signal is received,
The bell (18) is driven to notify that there is an incoming call.
If a display stop signal is received while the telephone number is being displayed,
Stop displaying the phone number.

In the process of storing the telephone number data in the callers area (steps S7 and S8), if the same data is already stored, it is not stored,
If the callers area is already full, the oldest data is cleared and new telephone number data is stored in the callers area.

Next, FIG. 4 shows the control circuit (29) of the slave unit (2) for storing the telephone number data in the directory area.
5 is a flowchart of the control circuit (11) of the parent device (1).

A method of storing telephone number data in the directory area will be described with reference to FIGS. 4 and 5.

First, the control circuit (29) of the slave unit (2)
When the registration key (23) is operated, a setting registration signal is transmitted to the master unit (1) (steps C1 and C2). Base unit (1)
Upon receipt of this registration setting signal, the recording mode for the directory area is set (step S11). Next, the control circuit (29) of the slave unit (2) monitors the input of the numeric keypad (20) and temporarily stores the numeric data in the internal register according to the input of the numeric keypad (20) (steps C3, 4). .
Thereafter, when the registration key (23) is operated again, the numerical data stored in the internal register is sequentially transmitted in the order of storage (step C6). On the other hand, the master unit (1) stores the received numeric data as telephone number data in the memory (10).
Stored in the directory area (step S12, 1)
3). This completes the storage of the telephone number data in the directory area.

Next, FIG. 6 is a main part written in the control circuit (29) of the slave unit (2) for setting the call prohibition flag for the telephone number data stored in the callers area and the directory area of the memory (10). FIG. 7 is a flowchart of the program of FIG.
It is a flowchart of the program of the principal part written in 1).

A method of setting the call prohibition flag in the callers area and the directory area will be described with reference to FIGS. 6 and 7.

First, the control circuit (29) of the slave unit (2)
When it is detected that the callers key (24) has been operated, a callers call signal is transmitted to the master unit (1) (step C7). The base unit that detected the caller's call signal (1)
The control circuit (11) of (1) transmits the first telephone number data in the Callers area of the memory (10) to the slave unit (2) (steps S14, 16). The control circuit (29) of the child device (2) which receives the telephone number data is the liquid crystal display (28).
The telephone number is displayed on the screen (steps C9 and C11).
If the user wishes to prohibit calling to this telephone number and operates the call prohibition key (27) and the control circuit (29) of the slave unit (2) detects this, the master unit (1) ) To a flag setting signal (step C
13, C14). Upon receiving the flag setting signal, the control circuit (11) of the parent device (1) stores the call prohibition flag in the memory (1) corresponding to the telephone number data transmitted to the child device (2).
0) (steps S18, 19). After that, the control circuit (11) of the parent device (1) transmits a setting completion signal indicating that the calling prohibition flag is set to the child device (2) (step S21). Receiving this, the control circuit (2) of the child device (2)
9) blinks the telephone number displayed on the liquid crystal display (28) for 2 seconds to notify that the telephone number has been registered (steps C15 and C16).

The user does not want to prohibit calling the telephone number displayed in step C12, and operates the change key (26) to operate the control circuit (2) of the slave unit (2).
When 9) is detected, the change signal is transmitted to the master unit (1) (steps C17 and C18). Upon receiving this change signal, the control circuit (11) of the parent device (1) reads the next telephone number data from the directory area of the memory (10) and transmits it to the child device (2) (steps S22, 2).
3). The subsequent steps are the same as steps C11 to C16 and steps S18 to S21 described above.

The above mode ends when the end key (22) is operated (steps C21, 22, S25).

When the control circuit (11) of the slave unit (2) detects that the directory key (25) has been operated, it sends a directory call signal to the master unit (1) (steps C8, C10). . The control circuit (11) of the master unit (1) which has detected the directory call signal transmits the first telephone number data of the directory area of the memory (10) to the slave unit (2) (steps S15 and S17). Upon receiving the telephone number data, the control circuit (29) of the child device (2) displays the telephone number data on the liquid crystal display (28) (steps C11 and C12). After that, the setting of the call prohibition flag and the change of the telephone number data are the same as in the case of the callers area described above.

By the way, the above-mentioned callers area is provided for confirming from whom a call is made, and the above-mentioned callers key (24) and change key (2).
Liquid crystal display (28) of the child device (2) in combination with 6)
You can check the number via. If the call key (21) is operated without operating the call prohibition key (27) while the telephone number is being displayed by the callers key (24), the calling signal and its telephone number data will be transmitted to the master unit (1). )) (Step C19, 20). The control circuit (11) of the master unit (1) which has received the calling signal and the telephone number data thereof sends a telephone number signal corresponding to the telephone number data to the telephone line (L), and thereafter the master unit (1). ) And the child device (2) are in the call mode.

The directory area is used for registering a telephone number frequently called by the user, and like the callers key (24), the directory key (2
When the call key (21) is operated while the telephone number is displayed by 5), the calling signal and the telephone number data are transmitted to the master unit (1). The control circuit (11) of the base unit (1) which has received the calling signal and the telephone number data thereof sends a telephone number signal corresponding to the telephone number data to the telephone line (L),
After that, the master unit (1) and the slave unit (2) enter the call mode. still,
In this way, the directory area is used to register frequently used phone numbers, but there are cases where you want to prohibit calling from a specific person whose phone number is known. It is assumed that the caller's area is not stored in the callers area), and the call prohibition flag can be set for a predetermined telephone number using this directory area.

[0024]

Since the present invention is configured as described above, it is possible to prohibit calling only to a telephone number by previously marking the telephone number for which calling is prohibited. Therefore, it is possible to provide a telephone device which is easy to use.

[Brief description of drawings]

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

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

FIG. 3 is a flowchart of a program of a main part relating to an incoming call process of a base unit of the cordless telephone device of the present invention.

FIG. 4 is a flowchart of a program of a main part relating to storage processing of a directory area of a cordless telephone device of the present invention.

FIG. 5 is a flowchart of a program of a main part relating to a directory area of a base unit of the cordless telephone device of the present invention.

FIG. 6 is a flowchart of a program of a main part relating to processing such as setting of a prohibition flag of a cordless telephone device of the present invention.

FIG. 7 is a flowchart of a program of a main part relating to processing such as setting of a prohibition flag of a parent device of the cordless telephone device of the present invention.

[Explanation of symbols]

 1 Master unit 2 Slave unit 8 Caller information detection circuit 10 Memory 11 Control circuit 29 Control circuit

Claims (2)

[Claims] 1. A detecting means for detecting calling party information sent from a telephone line when receiving a call, a storing means for sequentially storing the calling party information by the detecting means, and a calling means stored in the storing means. Setting means for setting information for prohibiting calling with respect to caller information, and whether or not the caller information by the detection means is stored in the storage means, and when stored, with respect to that information And a prohibition means for prohibiting a call for an incoming call if information for prohibiting a call is set. 2. A detecting means for detecting caller information sent from a telephone line when receiving a call, a storing means for storing inputted telephone number information, and a calling party information stored in the storing means. To the setting means for setting information prohibiting calling, and whether or not the calling party information by the detecting means is stored in the storage means, and when stored, the calling information is called. A telephone device comprising: a prohibition unit that prohibits a call for an incoming call if prohibition information is set.