JPH0661928A - Cordless telephone set - Google Patents

Abstract

PURPOSE:To save the handling time for connecting the telephone calls and to improve the portability of each slave device for a cordless telephone set by providing a function to a master device to select and call only a single slave device of the incoming side through an originating side when a single master device has plural slave devices. CONSTITUTION:A master device of a cordless telephone set is provided with an incoming data detecting circuit 1 which detects the incoming signal data via a telephone circuit 7 and a circuit input/output circuit 4, a decoding circuit 8 which decodes the incoming data detected by the circuit 1 and then selects and calls one of plural slave devices 10, and a storage circuit 12 which previously stores the ID code corresponding to each device 10. Then a key pad 2 operates the originating data and converts the incoming data into the voice signals via a communication control circuit 3 and a speech circuit 5. Thus the data are communicated between the master device and the devices 10 together with the ID codes via a radio communication circuit 6 and an antenna 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cordless telephone, and more particularly to a cordless telephone having a plurality of cordless handsets.

[0002]

2. Description of the Related Art In a conventional cordless telephone, as shown in FIG. 3, communication data transmitted from another telephone (B) is transmitted through a telephone line 7 and a line input / output circuit 4 for controlling transmission and reception of data. An incoming call detection circuit 1 for receiving an incoming call, a speech circuit 5 for converting the incoming call data into voice, a master unit and a slave unit 1
9 has a wireless communication circuit 6 for mutual communication, a keypad 2 for transmitting communication data to another telephone (B) by key operation, a communication control circuit 3, a storage circuit 20, and an antenna 18. is doing.

Next, this operation will be described. Normally, when a cordless telephone receives communication data transmitted from another telephone (B), the communication data is received by the incoming call detection circuit 1 via the telephone line 7 and the line input / output circuit 4, and the main unit proceeds to the slave unit. Are called in this order. The incoming data is converted into a voice signal by the communication control circuit 3 and the speech circuit 5, and is transmitted from the base unit to the handset 19 via the wireless communication line 6.

[0004]

When the conventional cordless telephone has a plurality of (four in this case) slaves 19 with respect to one master, when a call is made from B to A. ,
At the same time, all the slaves or all the slaves were preferentially called from the specific slave via the master.

At this time, who is the sender is the slave unit 1 of the receiving side telephone.
It was unclear whether he would score 9, and there was a risk that he could lead to an unexpected opponent. In addition, there is a problem that the more the number of recipients who carry the child device 19 is, the more troublesome it is to transfer the telephone.
This reduced the portability of the child device 19.

[0006] Therefore, an object of the present invention is to solve the above-mentioned problems, and when the calling side preliminarily goes through the master unit without requesting the person having the slave unit of Party A to transfer the telephone,
It is to provide a cordless telephone that enables the child device to be called directly to be specified.

[0007]

In the cordless telephone having a base unit and a handset, a decoding circuit for decoding incoming data from another telephone and outputting a handset code is provided in advance. A storage circuit that stores an ID code corresponding to the slave unit; a communication control circuit that calls the ID code corresponding to the slave unit code from the storage circuit; and a wireless communication circuit that carries the ID code. To do.

[0008]

1 is a block diagram showing a cordless telephone according to an embodiment of the present invention. In FIG. 1, the cordless telephone according to the present embodiment has a plurality of (4) slave units 1 as one master unit.
This is an example of having 0. In this embodiment, an incoming call detection circuit 1 that detects incoming data through the telephone line 7 and the line input / output circuit 4, and a decoding circuit that decodes the incoming data and outputs a child device code that selects and calls the child device 10 8 and an antenna 9, a key pad 2 that operates outgoing data via keys, a communication control circuit 3 that controls communication of the master unit, and a storage circuit 12 that stores an ID code corresponding to the code of each slave unit 10. , Speech circuit 5 to convert incoming data to voice
And a wireless communication line 6 for mutual communication between the master unit and the slave unit 10.
It has and.

First, the cordless telephone (the former) of this embodiment
When the master unit detects the incoming data from the other telephone (B) via the telephone line 7 and the line input / output circuit 4 by the incoming detection circuit 1, the decoding circuit 8 decodes the incoming data, Which of the slave units 10 is selected is selected, and a preset ID code is called from the storage circuit 12. Further, as a result of decoding the incoming data by the decoding circuit 8, the slave unit 1 corresponding to the ID code is obtained.
If 0 is not specified, cordless handset 1 that calls all cordless handsets 10
If 0 is determined, it is output together with the voice signal converted by the communication control circuit 3 and the speech circuit 5, and the handset is called via the wireless communication circuit 6 to talk.

In the cordless telephone of this embodiment, when the incoming call detection circuit 1 detects the data received through the telephone line 7, the incoming call data is output to the communication control circuit 8. The incoming data passes through the speech circuit 5 and is converted into a handset code by the decoding circuit 8. The communication control circuit 3 calls the ID code preset in the storage circuit 12 according to the cordless handset code and outputs it to the wireless communication circuit 6. The wireless communication circuit 6 carries the ID code and calls a corresponding slave unit to enable a call.

FIG. 2 is a block diagram of another embodiment of the present invention. Referring to FIG. 2, in the present embodiment, a facsimile machine 11 and a wireless
This is an example in which peripheral devices such as the remote control transmitter 30 are connected.
In this embodiment, an incoming call detection circuit 1 that detects incoming data through the telephone line 7 and the line input / output circuit 4, and a decoding circuit 8 that decodes the incoming data and outputs a child device code that selects and calls a child device. An antenna 9, a keypad 2 for operating outgoing data via keys, a communication control circuit 3 for controlling communication of the master unit, a storage circuit 12 for storing an ID code corresponding to each slave unit code, A speech circuit 5 for converting incoming data to voice, a wireless communication circuit 6 for mutual communication between a master unit and a slave unit, and the like are provided.

First, the cordless telephone (step A) of this embodiment
When the master unit detects the incoming data from the other telephone (B) through the telephone line 7 and the line input / output circuit 4 by the incoming detection circuit 1, the decoding circuit 8 decodes the incoming data and the facsimile machine 11 and the wireless remote controller transmitter 30 are selected, and the ID code set in advance is called from the memory circuit 12. When the peripheral device to be called is determined, the communication device is called via the communication control circuit 3 and the wireless communication circuit 6 to perform specific communication and remote control of the peripheral device.

[0013]

As described above, according to the cordless telephone of the present invention, even if one slave unit waits for a plurality of slave units and peripheral devices, the slave unit can be transferred from another telephone unit (B). Since it can be specified directly, there is no need to have a telephone transfer when receiving an incoming call, the portability of each handset is improved, and since a general line is used, the line usage fee is low if the call distance between the base unit and the handset is extended The effect that it can be used as a mobile phone is obtained.

Further, according to the present invention, since communication data and control data can be sent directly from the calling side to the respective slaves, control of peripheral devices which can be remote-controlled by an instruction from a remote place and data transmission to a facsimile machine or the like. There is also an effect that it can be easily done without providing a dedicated line.

[Brief description of drawings]

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

FIG. 2 is a block diagram showing another embodiment of the present invention.

FIG. 3 is a block diagram showing a conventional cordless telephone.

[Explanation of symbols]

1 incoming call detection circuit 2 keypad (operation unit) 3 communication control circuit 4 line input / output circuit such as ringer and dialer 5 speech circuit for converting communication data to voice and voice to communication data 6 wireless communication circuit (light, radio wave signal) 7) Telephone line (general line) 8 Decoding circuit 9, 18 Antenna 10, 19 Handset 11 Facsimile machine 12 Memory circuit 20 for storing ID code corresponding to each handset 20 Memory circuit 30 Remote control transmitter

Claims (1)

[Claims] 1. A cordless telephone having a master unit and a slave unit, which decodes incoming data from another telephone and outputs a slave unit code, and stores an ID code corresponding to each slave unit in advance. A cordless telephone, comprising: a storage circuit, a communication control circuit for calling an ID code corresponding to the cordless handset code from the storage circuit, and a wireless communication circuit for carrying the ID code.