JP3042160B2 - Cordless 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 cordless telephone having a plurality of mobile telephones.

[0002]

2. Description of the Related Art FIG. 5 shows a configuration of a fixed telephone in a conventional cordless telephone, and FIG. 6 shows a configuration of a mobile telephone in the cordless telephone. 5 and 6, the configuration of the fixed telephone 1B in FIG. 5 will be described first.

In FIG. 5, reference numeral 2B denotes an antenna, which is connected to a receiving circuit 3B and a transmitting circuit 4B. 5B
Is a communication circuit, which is connected to a microphone (hereinafter abbreviated as a microphone) 14B, a speaker 15B, a handset 16B, and to a telephone line 18B via a line control switch 17B.

A microcomputer 6B includes a tape deck control unit 13B, an audio recording / reproducing IC 11B,
It controls the tone output unit 12B and the DTMF detection circuit 19B, and is also connected to the key 7B, lamp 8B, ID memory 9B, and power supply circuit 10B.

Next, the configuration of the mobile telephone 20B shown in FIG. 6 will be described. In FIG. 6, reference numeral 21B denotes an antenna, which is connected to the receiving circuit 22B and the transmitting circuit 23B. A communication circuit 24B is connected to the microphone 31B, the receiver 32B, and the speaker 33B.

Reference numeral 26B denotes a microcomputer which transmits and receives wireless data to and from the transmission circuit 23B and the reception circuit 22B, controls the communication line 24B, the rechargeable battery 25B, and the tone output section 34B, and comprises a key 27B and a lamp 28.
B, ID memory 29B, and voltage detection circuit 30B.

Next, the operation of the above conventional example will be described with reference to the flowchart of FIG. Fixed telephone 1 of FIG.
In B, the microcomputer 6B detects an incoming call on the line 18B (step S1B). In this case, if the answering machine has been set, the microcomputer 6B closes the line control switch 17B (step S2).
B), output the ring tone of the line to the fixed telephone 1B and the mobile telephone 20B, control the communication line 5B and the voice recording / reproducing IC 11B, and send a response message (step S3).
B).

Thereafter, when the microcomputer 6B detects the ID number for the selected incoming call by the DTMF detection circuit 19B (step S4B), the microcomputer 6B sends the antenna 21B of the selected mobile telephone 20B through the transmission circuit 4B and the antenna 2B. , Receiving circuit 22B,
Wireless data is input to the microcomputer 26B, and a ring tone is transmitted from the tone output unit 34B to only the selected telephone (step S10B). When the mobile telephone 20B responds to the incoming call (step S11B), a call is made with the designated telephone (step S13B), and the call is completed (step S14B).

Here, when there is no response due to absence or the like and a timeout occurs (step S12B), the microcomputer 6B controls the line control switch 17B to release the line 18B (step S15B).

[0010] If the ID number for the selected incoming call cannot be detected even after the response message ends, the communication line 5B
The tape deck controller 13B is controlled to record the message of the sender on the tape of the tape deck controller 13B (step S6B).

After that, the specified time has elapsed (step S7).
B) When the caller ends the call, the microcomputer 6B
Detects the disconnection of the line 18B (step S8B), stops the tape deck control unit 13B, opens the line 18, turns on the lamp 8B, and notifies that the business has been entered (step S9B). .

[0012]

However, in the above-mentioned conventional cordless telephone device, when a call is received for each telephone, even if the user is absent and unable to answer, the line is once closed and reopened. Useless call charges will be incurred. Further, when a caller who does not know the separate ID number attempts to receive a call normally, there is a problem that an answering machine answers.

The present invention is to solve such a conventional problem, and has a sub-dial (ID number) for each telephone.
To those who know each other and make calls individually for each phone,
It is an object of the present invention to provide an excellent cordless telephone device capable of making and receiving a call to an ordinary general caller without a sense of incongruity with conventional telephone operations.

It is another object of the present invention to provide an excellent cordless telephone device in which each user records a message on a telephone and does not have to worry about being heard by others.

[0015]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides means for detecting a sub-dial of each telephone from a line before answering an incoming call, and a ring tone for an individual incoming call different from a general incoming call. A means for sending to the telephone is provided, the line interface is changed in individual reception for each telephone, and a sub-dial for each telephone is received before receiving an incoming call so that it is possible to individually call a designated telephone, In order to achieve another object, a means for recording and playing back a response message and a message is provided for each telephone, so that the message is recorded on the telephone for each person.

[0016]

Therefore, according to the present invention, by receiving a sub-dial for each telephone before answering the incoming call and individually calling the designated telephone, even if each telephone user is unavailable and cannot answer, no charge is required. In addition to being able to operate very economically, each telephone user can only answer his own telephone, without having to answer other incoming calls at all, thus maintaining the privacy of each telephone user. A caller who can make a call and does not know the individual sub-dial makes a call as before, which has the effect that a general incoming call can be made as before.

Further, according to the present invention, by recording and reproducing a response message and a message for each telephone, there is an effect that the message is recorded on the telephone for each person, and there is no fear of being heard by others. .

[0018]

FIG. 1 shows a fixed telephone 1 according to an embodiment of the present invention.
FIG. 2 shows the configuration of a mobile telephone 20A in the first embodiment. First, the fixed telephone 1A in FIG. 1 will be described.

In the fixed telephone 1A of FIG. 1, reference numeral 2A denotes an antenna, which is connected to the receiving circuit 3A and the transmitting circuit 4A. A communication circuit 5A is connected to the microphone 14A, the speaker 15A, and the handset 16A, and is also connected to the telephone line 18A via the line control switch 17A.

Reference numeral 6A denotes a microcomputer which transmits and receives wireless data to and from the transmission circuit 4A and the reception circuit 3A, and includes a communication line 5A, a tape deck control unit 13A, a voice recording / reproducing IC 11A, a tone output unit 12A, and a DTMF detection circuit. Control of 19A, key 7A, lamp 8A, I
It is connected to a D (sub dial) memory 9A and a power supply circuit 10A.

Next, the mobile telephone shown in FIG. 2 will be described. An antenna 21A is connected to the receiving circuit 22A and the transmitting circuit 23A. 24A is a communication circuit,
The microphone 31A, the receiver 32A, and the speaker 33A are connected.

Reference numeral 26A denotes a microcomputer which transmits / receives radio data to / from the transmission circuit 23A and the reception circuit 22A, controls the communication line 24A, the rechargeable battery 25A, and the tone output section 34A.
The ID memory 29A is connected to the voltage detection circuit 30A.

Next, the operation of the above embodiment will be described with reference to the flowchart of FIG. Fixed telephone 1A of FIG.
First, the microcomputer 6A detects an incoming call on the line 18A as an individual incoming call for each telephone (step S1A) or a general incoming call (step S2).
A). This is the timing chart of FIG.
This is the section of T1 and the ringer after the polarity inversion (frequency 16
Hz, transmission voltage AC 75V) Individual incoming call depending on sending time
(For example, 0N 0.5 seconds, OFF 0.5 seconds) or general incoming
(For example, ON1 second, OFF2 second)
6A determines.

When the incoming call is an individual incoming call, the microcomputer 6A forms a DC loop as a primary response signal, and
At timing ST2 of the timing chart of FIG.
If it is detected via the detection circuit 19A (step S8
A), the microcomputer 6A receives the
DC loop break, then timing ST3 on line side
In the ringer (frequency 16 Hz, transmission voltage AC 7
5V). The microcomputer 6A is a ringer
Is detected through the transmitting circuit 4A and the antenna 2A.
To send the ring tone send command for individual
An antenna 21A of the mobile telephone 20A, a receiving circuit 22A,
A ring tone sending command for the individual incoming call is sent to the microcomputer 26A.
Command is received and the microcomputer 26A receives an individual incoming call from the tone output section 34A only for the selected telephone (for example, normal incoming: ON 1 second, OFF 2 second and incoming
Is transmitted (step S9).
A).

Here, at timing ST4 in FIG. 4, the mobile telephone 20A responds to the incoming call within the timeout (step S10A) (step S11).
A), the microcomputer 6A uses the DC
A loop is created, and a call is made with the designated telephone (step S12A). When the call is completed (step S13A), the line is opened due to the break of the DC loop (step S14A).

Even if there is an incoming call to the designated telephone, or if there is a time-out without responding to the incoming call due to absence or the like (step S10A), since the line has not been closed yet, It returns to the standby state and there is no problem at all.

If a tape deck controller 35A is provided on the side of the mobile telephone 20A so that it is possible to respond to an answering message, a response message can be transmitted and a message can be reproduced for each telephone. A telephone can be provided.

In the case of a general incoming call, the microcomputer 6A sends the signal through the transmitting circuit 4A and the antenna 2A.
The antenna 21A and the receiving circuit 22 of the mobile telephone 20A
A, wireless data is input to the microcomputer 26A, and an individual incoming call and another ring tone are transmitted from the tone output unit 34A to all telephones (step S3A).

Thereafter, when the ringing telephone answers (step S4A), a call is made with the answering telephone (step S5A), and upon completion of the call (step S6).
A), the line is released (step S7A).

According to the above-described embodiment, a person who knows the sub-dial (ID number) of each telephone and who makes a call individually for each telephone, a person who makes a normal general call, and the conventional telephone operation can be used. It has the advantage of being able to make and receive calls without discomfort.

[0031]

The present invention has the following effects as apparent from the above embodiment.

1. Even when each telephone user is unavailable and unable to respond, there is no charge, running costs are reduced, and very economical operation is possible.

2. Each telephone user can answer only his own telephone, and does not need to answer other incoming calls at all, thereby protecting the privacy of each telephone user.

3. A caller who does not know the individual ID number can make a conventional incoming call by making a call as before, and in this case, all telephones ring to notify the incoming call.

4. By providing a recording / reproducing device such as a tape deck in each telephone, the message is recorded on the telephone for each person, and there is no fear of being heard by others.

[Brief description of the drawings]

FIG. 1 is a schematic block diagram of a fixed telephone of a cordless telephone device according to an embodiment of the present invention.

FIG. 2 is a schematic block diagram of a mobile telephone of the apparatus.

FIG. 3 is a flowchart showing a flow of the operation of the apparatus.

FIG. 4 is a timing chart for explaining the operation of the apparatus.

FIG. 5 is a schematic block diagram of a fixed telephone in a conventional cordless telephone device.

FIG. 6 is a schematic block diagram of a mobile telephone in a conventional cordless telephone device.

FIG. 7 is a flowchart showing the flow of operation of a conventional cordless telephone device.

[Explanation of symbols]

 1A Fixed telephone 3A Receiving circuit 2A 4A Transmission circuit 5A Communication circuit 6A Microcomputer 9A ID memory 10A Power supply circuit 11A Recording / reproducing IC 12A Tone output unit 13A Tape deck control unit 17A Line control switch 18A Line 19A DTMF detection circuit 20A Mobile telephone 22A Reception Circuit 23A Transmission circuit 24A Communication circuit 25A Rechargeable battery 26A Microcomputer 29A ID memory 30A Voltage detection circuit 34A Tone output unit 35A Tape deck control unit

Claims (2)

(57) [Claims] 1. A fixed telephone connected to a telephone line, a plurality of mobile telephones respectively connected to the fixed telephone by wireless communication, and a sub-set of each telephone from the line provided on the fixed telephone before receiving an incoming call. Means for detecting a dial, means for detecting an individual call for each telephone different from a general incoming call provided on the fixed telephone, and means for detecting when the fixed telephone receives the individual call provided for the mobile telephone .
An incoming pattern that differs from the incoming pattern for a regular incoming call
Means for outputting a ringtone of a call . 2. A fixed telephone connected to a telephone line, a plurality of mobile telephones respectively connected to the fixed telephone by wireless communication, and a plurality of mobile telephones provided on the fixed telephone and connected to the telephone before receiving an incoming call. Means for detecting a sub-dial, means for detecting an individual incoming call for each telephone different from a general incoming call provided on the fixed telephone, and providing for the mobile telephone, wherein the fixed telephone receives the individual incoming call
An incoming call pattern that differs from the incoming call pattern from the speaker
Means for outputting a ringtone of a call , and a response message and a message
A cordless telephone device comprising: means for reproducing.