JP3039130B2 - 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 device.

[0002]

2. Description of the Related Art FIG. 2 shows a configuration example of a conventional cordless telephone device. FIG. 2A shows a master unit, and FIG. 2B shows a slave unit wirelessly connected to the master unit.

In FIG. 2 (a), reference numeral 1 denotes a local line, which is connected to a local line interface 2, 2 is connected to a link circuit 3, and 3 is connected to an RF circuit 4 and a base unit hands-free circuit 6. Connected to this master unit hands-free circuit 6
Is connected to a speaker 7 and a microphone 8, and the RF circuit 4 is connected to an antenna 5. Reference numeral 9 denotes a keyboard, which is connected to the control circuit 10, and the control circuit 10 is connected to the link circuit 3.

In FIG. 2B, reference numeral 11 denotes an antenna, which is connected to an RF circuit 12, and the RF circuit 12 is connected to a hand-free unit 13 of the slave unit. 15. Reference numeral 17 denotes a keyboard, which is connected to the control circuit 16.
3 is connected.

Next, the above conventional example will be described. Office line 1
When there is an incoming call, the control circuit 10 is operated by manual operation of the keyboard 9 of the master unit, the link circuit 3 is controlled, and the communication path is switched to the master unit hands-free circuit 6 or the RF circuit 4 to form. When switching to the parent device hands-free circuit 6, hands-free communication is performed between the office line and the parent device through the speaker 7 and the microphone 8 of the parent device. RF circuit 4
When the mode is switched to, the control circuit 16 is operated by manual operation on the keyboard 17 of the slave unit, the hands-free circuit 13 is enabled, and the antenna 5, the antenna 11, the RF circuit 12, and the hands-free unit 13 are activated. A communication path is formed to the local line 1 through the speaker 14 and the microphone 15 of the slave unit.
Make a hands-free call between the handset and the handset.

As described above, even in the cordless telephone apparatus of the related art, a hands-free call can be made between the office line 1 and the master unit or the slave unit.

[0007]

However, in the above-mentioned conventional cordless telephone device, there is a problem that manual operation from the keyboards 9, 17 and the like is required to perform a hands-free call with the office line 1.

The present invention solves such a conventional problem, and provides an excellent cordless telephone which can automatically perform a hands-free call between a central office line and an arbitrary preset slave unit or master unit without manual operation. To provide a telephone device.

Another object of the present invention is to provide an excellent cordless telephone device capable of automatically performing a hands-free call with an arbitrary slave unit or master unit designated by an operation signal from a central office.

[0010]

According to the present invention, in order to achieve the above object, an invention according to claim 1 comprises a master unit connected to a station line and a slave unit connected to the master unit by radio. In the cordless telephone device, connection storage means for storing the connection destination of the office line, connection destination instruction means for instructing the connection destination based on the connection destination storage means, and any child connected to the office line by the instruction. It has hands-free communication means for automatically enabling hands-free communication between the mobile device and the master device.

According to a second aspect of the present invention, in a cordless telephone device including a base unit connected to a line and a handset wirelessly connected to the base unit, an operation signal transmitted from the line is determined. Signal discriminating means, connection destination instructing means for instructing a connection destination based on the discrimination signal from the signal discriminating means, and automatically handing over any slave unit or master unit connected to the office line by the instruction. It has hands-free communication means for enabling free communication.

[0012]

Therefore, according to the present invention, a hands-free call can be automatically performed by forming a communication path without manual operation by giving an instruction to the control unit by the connection destination instruction means based on the connection destination storage means. It has the effect of.

Further, according to the present invention, it is possible to automatically perform a hands-free communication by forming a communication path without manual operation by issuing an instruction to the control unit by the connection destination instruction means based on the signal determination means. Has an effect.

[0014]

FIG. 1 shows the configuration of an embodiment of the present invention. FIG. 1A shows a master unit, and FIG. 1B shows a slave unit.

In FIG. 1A, reference numeral 1 denotes an office line, which is connected to an office interface 2. The office interface 2 is connected to a DTMF receiver 20 and a link circuit 3, and the link circuit 3 is a control circuit. 21 and RF circuit 4
And the parent device hands-free circuit 6, and the parent device hands-free circuit 6 is connected to the speaker 7 and the microphone 8. The RF circuit 4 is connected to the antenna 5. A storage circuit 22 for storing the connection destination of the office line 1 is connected to a connection destination indicating circuit 23 for indicating the connection destination. The connection destination indicating circuit 23 is connected to the DTMF receiver 20, the office line interface 2, and the control circuit 21. Have been.

In FIG. 1B, a control circuit 24 is connected to the RF circuit 25 and the hands-free circuit 13. Reference numeral 11 denotes an antenna, which is connected to an RF circuit 25. The RF circuit 25 is connected to the slave unit hands-free circuit 13, and is connected to the speaker 14 and the microphone 15.

Next, the operation of the embodiment according to claim 1 will be described. The connection destination is set and stored in the storage circuit 22 in advance. When there is an incoming call from the office line 1, an incoming signal is given from the office line interface 2 to the connection destination indicating circuit 23, and the connection destination indicating circuit 23 reads out a connection destination that has been previously recognized from the storage circuit 22 and the control circuit 21. And the control circuit 21 controls the link circuit 3 to form a communication circuit. When the connection destination is the master unit, the office line 1 goes to the office line interface 2, the office line interface 2 goes to the link circuit 3, the link circuit 3 goes to the master unit hands-free circuit 6, and the master unit hands-free circuit 6 goes to the speaker 7 Then, a communication path is formed to the microphone 8 and a hands-free call is automatically performed between the office line 1 and the master unit. When the connection destination is a slave unit, an instruction signal to the slave unit of the connection destination is given from the connection destination instruction circuit 23 from the control circuit 21, passes through the link circuit 3, becomes a radio wave by the RF circuit 4, and becomes an antenna 5. The signal is transmitted by the sub-unit and received by the sub-unit antenna 11, passes through the RF circuit 25, passes to the control circuit 24, and activates the sub-unit hands-free circuit 13. Then, from the line 1 to the line interface 2, from the line interface 2 to the link circuit 3, from the link circuit 3 to the RF circuit 4, from the RF circuit 4 to the antenna 5, from the antenna 5 to the antenna 11 of the slave unit, A communication path is formed from 11 to the RF circuit 25, from the RF circuit 25 to the slave unit hands-free circuit 13, from the slave unit hands-free circuit 13 to the speaker 14 and the microphone 15,
A hands-free call is automatically performed between the office line 1 and the slave unit.

As described above, according to the above embodiment, the central office 1
When there is an incoming call, the connection destination instruction circuit 23
In order to read out the connection destination and to instruct the control circuit 21 of the connection destination, it is possible to automatically perform a hands-free call between the office line 1 and any of a predetermined slave unit or master unit. Have.

Next, the operation of the embodiment according to claim 2 will be described. Which slave unit or base unit is connected
A key input operation is determined in advance so that operation can be performed from the office line 1. If this key input operation is performed at the same time when a call is transmitted using the office line 1, a DTMF signal is transmitted. When there is an incoming call from the office line 1, a DTMF signal indicating the connection destination from the office line interface 2 is passed to the DTMF receiver 20 and is discriminated. , The control circuit 21 is a link circuit 3
To form a communication path. When the connection destination is the master unit, the office line 1 goes to the office line interface 2, the office line interface 2 goes to the link circuit 3, the link circuit 3 goes to the master unit hands-free circuit 6, and the master unit hands-free circuit 6 goes to the speaker 7. Then, a call is formed to the microphone 8 and a hands-free call is automatically performed between the office line 1 and the master unit. When the connection destination is a slave unit, an instruction signal is given from the connection destination instruction circuit 23 to the slave unit of the connection destination from the control circuit 21, passes through the link circuit 3, becomes a radio wave by the RF circuit 4, and is transmitted from the antenna 5. And received by the antenna 11 of the slave unit,
Through the control circuit 24 to the hands-free circuit 1 of the slave unit.
Enable 3 Then, from the line 1 to the line interface 2 and from the line interface 22 to the link circuit 3
From the link circuit 3 to the RF circuit 4, from the RF circuit 4 to the antenna 5, from the antenna 5 to the handset antenna 11, from the antenna 11 to the RF circuit 25, from the RF circuit 25 to the handset hands-free circuit 13, A communication path is formed from the machine hands-free circuit 13 to the speaker 14 and the microphone 15, and hands-free communication is automatically performed between the office line 1 and the slave unit.

As described above, according to the above embodiment, the central office 1
DTMF signal indicating connection destination from DTMF receiver 2
0, and is given to the connection instruction circuit 23 to instruct the control circuit 21 of the connection destination, so that a hands-free call is automatically made between any of the slave units or the master unit designated by the station line 1. It has the effect of being out.

[0021]

The present invention has the following effects as apparent from the above embodiment. 1. Since the connection destination of the office line is indicated by the connection destination specifying means based on the connection destination storage means,
Hands-free communication can be automatically performed between the office line and any of the slave units or the master unit that is stored and designated in advance without manual operation. 2. Since the connection destination of the office line is instructed by the connection destination instructing means based on the signal discriminating means based on the operation signal sent from the office line, the hands-free call is stored in advance as the office line without any manual operation. It can be performed automatically between the child device or the parent device.

[Brief description of the drawings]

FIG. 1A is a block diagram of a base unit of a cordless telephone device according to an embodiment of the present invention; FIG. 1B is a block diagram of a slave unit of the cordless telephone device;

FIG. 2A is a block diagram of a base unit of the conventional cordless telephone device, and FIG. 2B is a block diagram of a slave unit of the conventional cordless telephone device.

[Explanation of symbols]

 1 office line 2 office line interface 3 link circuit 4,12 RF circuit 5,11 antenna 6,13 hands-free circuit 7,14 speaker 8,15 microphone 9,17 keyboard 10,16,21,24 control circuit 20 DTMF receiver 22 Storage circuit 23 Connection destination instruction circuit

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04M 1/00 H04M 1/725 H04M 1/60

Claims (1)

(57) [Claims] A plurality of slave units are provided with hands-free communication between office lines.
Talking is possible, and the connection destination for hands-free calling is
Indicates in advance whether any of the above-mentioned slave units is to be used.
Discriminates the signal from the above-mentioned office line which instructed the connection destination
Signal discriminating means, and discriminating by the signal discriminating means.
Is the connection destination stored in the storage means.
Between the connection destination and the above office line
And a control means .