JP2000013475A - Cordless telephone device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To share a cordless telephone device by switching and functioning it for use as a single telephone set or one terminal of a home telephone. SOLUTION: Corresponding to whether a changeover switch 56 provided for a cordless telephone connector 11 connected as a single telephone or through the home telephone base unit of the home telephone to a telephone line L1 is switched or not, or whether the line voltage of an extension (extension system) is detected by an extension power source circuit 61 or not, an incoming call detecting and switching means 57 is made active and the cordless telephone device is functioned while being switched as the single telephone or one terminal of the home telephone. Thus, call originating/speaking/call terminating means 52, 53 and 50 through the base unit of the home telephone to the telephone line as a single telephone or one terminal of the home telephone and a calling means 54 from a door phone as the home telephone and between extension telephone sets can be respectively shared.

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, and more particularly to a cordless telephone device which can be easily used as a single telephone or as a terminal of a home telephone by switching a cordless telephone connecting device constituting the cordless telephone device. The present invention relates to a cordless telephone device that can be switched to function.

[0002]

2. Description of the Related Art Conventionally, there has been proposed a cordless telephone device used as a single telephone having a configuration shown in a block diagram of FIG. The figure comprises a cordless telephone connection device 101 connected to a telephone line L101 from a telephone office, and a cordless telephone handset 102 connected to the cordless telephone connection device 101 cordlessly and capable of controlling and talking by radio waves. The cordless telephone connection device 101 and the cordless telephone handset 102 constitute a cordless telephone device 100.

As shown in the block diagram of FIG. 7, a cordless telephone connection device 101 includes an incoming call detection circuit 110, a selection signal transmission circuit 111, a selection signal generation circuit 112, a communication circuit 113, a modulation / transmission circuit 114 , Reception / demodulation circuit 115, antenna 116, power supply stabilization circuit 117
And the selection signal transmission circuit 111 and the selection signal generation circuit 11
2. It has a control CPU 118 for controlling the communication circuit 113, the modulation / transmission circuit 114, and the reception / demodulation circuit 115, respectively, and is used in combination with the external power adapter 119.

As shown in the block diagram of FIG. 8, the cordless telephone handset 102 includes an antenna 120, a reception / demodulation circuit 121, a modulation / transmission circuit 122, and a reception amplification circuit 12
3, a transmission amplifier circuit 124, a receiver 125, a microphone 126, a speaker 127, an indicator light circuit 128,
A key matrix circuit 129 including a call (outside line) button, a call end button, a numeric keypad button, and the like; a secondary battery 130 used as a circuit power supply such as a nickel-cadmium battery, a lithium-ion battery, and a lithium-hydrogen battery;
The power switch 132, the reception / demodulation circuit 121, the modulation / demodulation
Transmission circuit 122, reception amplification circuit 123, transmission amplification circuit 1
24, a speaker 127, an indicator lamp circuit 128, and a control CPU 133 for controlling the key matrix circuit 129, respectively.
And

[0005] In the cordless telephone device used as a stand-alone telephone configured as described above, the cordless telephone connection device 101 is supplied from an external power adapter 119 through a power stabilizing circuit 117 as shown in a block diagram of FIG. The power supply converted to the working voltage is used by the cordless telephone handset 102 as shown in the block diagram of FIG.
The power supplied from the power supply and converted to the working voltage via the power stabilizing circuit 131 is used as a circuit power.

Here, as shown in the block diagram of FIG. 7, an outside line calling signal S101 transmitted from a telephone station via a telephone line L101.
Is input to the cordless telephone connection device 101, the outside line calling signal S101 is converted into an outside line incoming detection signal S102 detected by the incoming call detection circuit 110 by the control CPU 118.
Is input to The control CPU 118 determines from the input external line incoming detection signal S102 that an incoming call is being received from the telephone line L101, and outputs an external line incoming data signal S103 containing this determination information. The external line incoming data signal S103 is modulated through the modulation / transmission circuit 114,
The signal is transmitted to the antenna 120 of the cordless telephone handset 102 by radio waves.

The incoming call signal S 103 received by the antenna 120 of the cordless telephone handset 102 shown in the block diagram of FIG. 8 is demodulated via the reception / demodulation circuit 121 and input to the control CPU 133. The control CPU 133 determines from the input external line incoming data signal S103 that an incoming call is being received from the telephone line L101, makes the speaker 127 emit a ringing tone, and drives the indicator lamp circuit 128 to drive the indicator lamp (not shown). ) Lights / flashes. When a resident or the like who uses the cordless telephone handset 102 at the time of the above-mentioned outside-line call notification appropriately operates the key matrix circuit 129 and answers the call, a key control signal S104 containing this operation information is output from the control CPU 133. . The key control signal S104 is modulated via the modulation / transmission circuit 122, and is transmitted from the antenna 120 to the cordless telephone connection device 101.
Is transmitted by radio waves to the antenna 116.

[0010] The key control signal S 104 received by the antenna 116 of the cordless telephone connection device 101 shown in the block diagram of FIG. 7 is demodulated via the reception / demodulation circuit 115 and input to the control CPU 118. The control CPU 118 receives the key control signal S104 from the cordless telephone handset 10
The call response by the resident or the like who uses the telephone line 2 is determined, and the communication circuit 113 is switched through the selection signal transmission circuit 111 to the telephone line L10.
1 allows the transmission and reception of the call signal S105 via the communication path between the formed telephone line L101 and the receiver 125 and the microphone 126 of the cordless telephone handset 102 via the cordless telephone connection device 101, and external line communication becomes possible. It was established.

A cordless telephone having a configuration shown in the block diagram of FIG. 9 has been proposed in which a conventional cordless telephone is mainly used as one terminal of a home telephone having a relatively small number of lines in a living room. The figure shows a home telephone main unit 201 connected to a telephone line L201 from a telephone office and a doorphone connection wiring L202 from a doorphone 202 installed at a dwelling unit or the like, and a telephone line L201 connected to the home telephone main unit 201, respectively. External call line L3 connected to doorphone connection line L202
01 and an extension telephone 203 and a cordless telephone connection device 301 bus-connected by an extension communication line L302, and a cordless telephone handset 3 that is connected cordlessly to the cordless telephone connection device 301 and can control and talk by radio waves.
02 and the cordless telephone connection device 30 described above.
1 and the cordless telephone handset 302 constitute a cordless telephone device 300.

As shown in the block diagram of FIG. 10, the home telephone main unit 201 includes an incoming call detection circuit 210, a door phone call detection / communication circuit 211, and an extension power supply circuit 21.
2, the extension data transmission / reception circuit 213, and the power supply stabilization circuit 2
14, a hold circuit 215, a door phone call detection / call circuit 211, an extension power supply circuit 212, an extension data transmission / reception circuit 213, and a control CP for controlling the hold circuit 215, respectively.
U216, which is used in combination with the external power adapter 217.

As shown in the block diagram of FIG. 11, the cordless telephone connection device 301 has an extension data transmission / reception circuit 310.
, Selection signal transmission circuit 311 and selection signal generation circuit 31
2, a communication circuit 313, a communication path switching circuit 314, a modulation / transmission circuit 315, a reception / demodulation circuit 316, an antenna 317, an extension power supply circuit 318, a power supply stabilization circuit 319, and an extension data transmission / reception circuit. 310, a selection signal transmission circuit 311, a selection signal generation circuit 312, a communication circuit 313,
Communication path switching circuit 314, modulation / transmission circuit 315, reception / transmission
It has a control CPU 320 for controlling the demodulation circuit 316, and is used in combination with the external power adapter 321.

As shown in the block diagram of FIG. 12, the cordless telephone handset 302 includes an antenna 330, a reception / demodulation circuit 331, a modulation / transmission circuit 332, and a reception amplification circuit 3
33, a transmission amplifier circuit 334, a receiver 335, a microphone 336, a speaker 337, and an indicator light circuit 338.
And a key matrix circuit 339 including a call (outside line) button, an end button, a numeric keypad button, a secondary battery 340 used as a circuit power supply such as a nickel-cadmium battery, a lithium ion battery, and a lithium hydrogen battery, and a power supply stabilization circuit 34.
1, a power switch 342, a reception / demodulation circuit 331,
Control CPU for controlling modulation / transmission circuit 332, reception amplification circuit 333, transmission amplification circuit 334, speaker 337, indicator light circuit 338, and key matrix circuit 339, respectively.
343.

In the cordless telephone device used as one terminal of the home telephone configured as described above, the home telephone main unit 201 is supplied from an external power supply adapter 217 through a power supply stabilizing circuit 214 as shown in a block diagram of FIG. As shown in the block diagram of FIG. 10, the extension telephone 203 transmits the power converted into the use voltage by the extension telephone line L302 from the extension power supply circuit 212 of the home telephone main unit 201 and converts the power into the use voltage in the extension telephone 203. The supplied power is supplied to the cordless telephone connection device 301.
As shown in the block diagrams of FIGS. 10 and 11, the power supplied from the extension power supply circuit 212 of the home telephone main unit 201 to the extension communication line L302, the extension power supply circuit 318, or the power supplied from the external power adapter 321 is The power converted into the working voltage via the power stabilizing circuit 319 is supplied to the cordless telephone handset 302 from the secondary battery 340 as shown in the block diagram of FIG. The converted power supplies are used as circuit power supplies.

Here, as shown in the block diagram of FIG. 10, the outside line calling signal S2 transmitted from the telephone station over the telephone line L201.
When 01 is input to the home telephone main unit 201, the outside line call signal S201 is converted into an outside line incoming detection signal S202 detected by the incoming call detection circuit 210 by the control CPU 216.
Is input to The control CPU 216 determines from the input external line incoming detection signal S202 that an incoming call is being received from the telephone line L201, and outputs a preset serial external line incoming data signal S203 containing this determination information. The external line incoming data signal S203 is transmitted from the extension data transmission / reception circuit 213 to the extension telephone set 203 and the cordless telephone connection device 301 via the extension communication line L302. Therefore, the external line incoming data signal S203 input to the extension telephone 203 is appropriately signal-processed (not described in detail) in the extension telephone 203, and it is notified that an incoming call is being received from the telephone line L201. The external line incoming data signal S203 received by the extension data transmitting / receiving circuit 310 of the cordless telephone connection device 301 shown in the block diagram of FIG.
Is input to The control CPU 320 determines from the input external line incoming data signal S203 that an incoming call is being received from the telephone line L201, modulates the external line incoming data signal S203 via the modulation / transmission circuit 315, and outputs the cordless telephone cordless handset from the antenna 317. The antenna 330 of 302 is transmitted by radio waves.

The external incoming data signal S 203 received by the antenna 330 of the cordless telephone handset 302 shown in the block diagram of FIG. 12 is demodulated via the reception / demodulation circuit 331 and input to the control CPU 343. The control CPU 343 converts the external line incoming data signal S203 into the telephone line L201.
It is determined that there is an incoming call from the telephone, a ring tone is sounded by the speaker 337, and the indicator lamp circuit 338 is driven to light / blink the indicator lamp (not shown). When a resident or the like who uses the cordless telephone handset 302 at the time of the above-described outside line call notification appropriately operates the key matrix circuit 339 and answers the call, a key control signal S204 containing this operation information is output from the control CPU 343. . The key control signal S204 is modulated via the modulation / transmission circuit 332, and is transmitted from the antenna 330 to the cordless telephone connection device 301.
Is transmitted by radio wave to the antenna 317.

The key control signal S 204 received by the antenna 317 of the cordless telephone connection device 301 shown in the block diagram of FIG. 11 is demodulated via the reception / demodulation circuit 316 and input to the control CPU 320. The control CPU 320 outputs the cordless telephone handset 3 from the input key control signal S204.
By determining the call response by the resident or the like who uses No. 02, the communication circuit 313 is connected to the external communication line L301 via the selection signal transmission circuit 311 and the communication path switching circuit 314, so that the formed external communication line is formed. L301, telephone line L201 via home telephone main device 201, and cordless telephone handset 30 via cordless telephone connection device 301
The communication signal S205 can be transmitted and received via the communication path between the second receiver 335 and the microphone 336, and the outside line communication has been established.

Here, the description of each operation at the time of calling the door phone in which an appropriate calling operation is performed by the door phone 202 will be omitted.

[0018]

However, since the conventional cordless telephone device is configured as described above, a cordless telephone device used as a single telephone and
A cordless telephone device used as one terminal of a home telephone must be provided independently of each other, and there is a disadvantage that the application cannot be changed between each other.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned disadvantages, and is intended to use a cordless telephone as a single telephone or as a terminal of a home telephone by switching a cordless telephone connecting device constituting the cordless telephone. It is an object of the present invention to provide a cordless telephone device that can be shared by easily switching and functioning.

[0020]

In order to achieve such an object, a cordless telephone device according to the present invention comprises a cordless telephone connection device connected to a telephone line as a single telephone or via a home telephone main unit of a home telephone.
In a cordless telephone device including a cordless telephone handset connected cordlessly to the cordless telephone connection device, the cordless telephone connection device transmits a call to a telephone line via a home telephone main device as a single telephone or as a terminal of a home telephone, Outgoing / calling for making and receiving calls
It has a receiving means, a calling means for calling from a door phone as a home telephone and a call between extension telephones, and an incoming call detection switching means controlled to function as a single telephone or as a terminal of a home telephone.

Further, the cordless telephone connection device according to the present invention has a changeover switch for changing over an incoming call detection changeover means for changing over as a single telephone or as one terminal of a home telephone. Further, the cordless telephone connection device according to the present invention detects the voltage of the extension according to the connection to the line, automatically determines whether to switch as a single telephone or one terminal of a home telephone, and switches as a single telephone or one terminal of a home telephone. And an extension power supply circuit for switching the incoming call detection switching means.

According to such a cordless telephone device,
The line (signal) to which the cordless telephone device is connected is determined based on whether or not a changeover switch of the cordless telephone device constituting the cordless telephone device is pressed and whether or not the line voltage of the extension (extension system) detected by the extension power supply circuit is present. By switching the transmission line to an external line (external call line) or an internal line (extension call line), the cordless telephone device can be easily switched to use as a stand-alone telephone or as a terminal of a home telephone, and shared. Can be achieved.

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment to which a cordless telephone device according to the present invention is applied will be described below as an embodiment with reference to the drawings. FIG. 1 is a block diagram showing a configuration in which a cordless telephone device according to the present invention is used as a single telephone. A cordless telephone connection device 11 (91) connected to a telephone line L1 from a central office and a cordless telephone connection device 11 (91) is connected cordlessly, and a cordless telephone handset 1 capable of controlling and talking by radio waves
And the cordless telephone connection device 11 described above.
(91) and the cordless telephone handset 12 constitute the cordless telephone device 10.

FIG. 2 is a block diagram showing a configuration in which the cordless telephone device according to the present invention is used as one terminal of a home telephone, and includes a telephone line L1 from a telephone office and a doorphone from a doorphone 2 installed at the entrance of a dwelling unit. Home telephone main unit 1 connected to connection line L2
And a telephone line L1 connected to the home telephone main unit 1.
And the extension telephone 3 and the cordless telephone connection device 11 (9), which are bus-connected by the external communication line L11 and the internal communication line L12 connected to the doorphone connection wiring L2, respectively.
1) and a cordless telephone handset 12. still,
Since the above-mentioned home telephone main apparatus 1 has the same configuration as the home telephone main apparatus 201 shown in the block diagram of FIG. 10, the same reference numerals are given and the description of the configuration and the like is omitted.

As shown in the block diagram of FIG. 3, the cordless telephone connection device 11 uses the outside line calling signal S10 transmitted on the telephone line L1 from the telephone office when used as a single telephone.
An incoming call detection circuit 50 for inputting an incoming call and detecting an incoming call; an external telephone call line L11 when an external line is called to a central office via the telephone line L1 when the telephone is used as a single telephone; 1. A selection signal generation circuit 51 for generating dial signals S18 and S51, which are selection signals, when calling an outside line to a telephone station via the telephone line L1, respectively, and the dial signals S18 and S
A selection signal transmission circuit 52 for transmitting (transmitting) a call 51; a telephone station via the telephone line L1 when used as a single telephone; an external line L11 when used as one terminal of a home telephone; a main telephone main unit 1; L1
, Or the extension telephone line L12, the home telephone main unit 1, and the intercom 2 via the intercom connection wiring L2.
And an extension telephone 3 via the extension telephone line L12, a telephone circuit 53 for forming an external telephone call or an internal telephone call between the cordless telephone handset 12, and an internal telephone line L12 for making an internal telephone call with the door phone 2 or the internal telephone 3. , Home telephone main unit 1, doorphone connection wiring L2 or extension communication line L12
And an extension data transmission / reception circuit 54 for transmitting and receiving various signals (controls, communications, etc.) via each of them, and a communication path for forming the respective communication paths by switching the communication circuit 53 to a connection with the external communication line L11 or the internal communication line L12. A changeover circuit 55, a changeover switch 56 that is operated to switch the cordless telephone device 10 to use as a single telephone or a use as a terminal of a home telephone, and an incoming call detection circuit 50 that connects the outside line L11, the home telephone main device 1 Telephone line L via
An incoming call detection switching circuit 57 for disconnecting from an antenna 1, an antenna 70 for transmitting and receiving various signals (control, telephone conversation, etc.) by radio waves to an antenna 70 of the cordless telephone handset 12 described later, a modulation / transmission circuit 59, and a reception / demodulation circuit 60 and the extension telephone line L12 from the extension power supply circuit 212 of the home telephone main unit 1.
Extension power supply circuit 6 for detecting the input of power supplied through
1, a power supply stabilizing circuit 62 for converting the power supplied from the extension power supply circuit 61 or the external power supply adapter 64 to a voltage used in the circuit, a selection signal generation circuit 51, a selection signal transmission circuit 52, a communication circuit 53, Extension data transmission / reception circuit 5
4, a communication path switching circuit 55, an incoming call detection switching circuit 57, a modulation / transmission circuit 59, and a control CPU 63 for controlling the reception / demodulation circuit 60, respectively.
4 and used in combination.

As shown in the block diagram of FIG. 4, the cordless telephone handset 12 includes an antenna 58 of the cordless telephone connection device 11, an antenna 70 for transmitting and receiving various signals (control, telephone conversation, etc.) by radio waves, and a receiving / demodulating circuit. 71, a modulation / transmission circuit 72, a reception amplification circuit 73, a transmission amplification circuit 74,
Receiver 75, microphone 76, telephone line L1 when used as a single telephone, cordless telephone connection device 1
Telephone line L1, when an external line is called from a central office via a telephone 1 or when a home telephone is used as one terminal.
An external line call from the central office via the extension telephone line L12, the home telephone main unit 1, and the cordless telephone connection unit 11, the intercom connection line L2, the home telephone main unit 1,
Different patterns of sounds (ringtone, doorphone ringing tone, etc.) are used for each extension call from the door phone 2 via the extension telephone line L12 and the cordless telephone connection device 11 and from the extension telephone 3 via the extension telephone line L12 and the cordless telephone connection device 11. And an indicator light circuit 7 for notifying each of the above-mentioned calls by lighting / flashing the indicator lamps (not shown) in different patterns.
8, when calling an outside line from a telephone station via the telephone line L1,
A key consisting of a ten-key button and the like appropriately operated for a call answering operation at the time of an extension call from the door phone 2 or the extension telephone 3, an outside line calling operation to the telephone line L1, and a call termination operation at the time of the outside line call and the inside line call. A matrix circuit 79 and a secondary battery 80 used as a circuit power source such as a nickel-cadmium battery, a lithium-ion battery, and a lithium hydrogen battery.
A power supply stabilizing circuit 81 for converting power supplied from the secondary battery 80 to a voltage used in the circuit, a power switch 82 for turning on / off the power supplied from the power stabilizing circuit 81, The control CPU 83 controls the demodulation circuit 71, the modulation / transmission circuit 72, the reception amplification circuit 73, the transmission amplification circuit 74, the speaker 77, the indicator light circuit 78, and the key matrix circuit 79, respectively.

The operation of the thus constructed cordless telephone device will be described below. In order to use the cordless telephone device 10 as a single telephone as shown in the block diagram of FIG. 1, the changeover switch 56 of the cordless telephone connection device 12 shown in the block diagram of FIG. As a result, the single telephone setting signal S1 including the operation information is input to the control CPU 63. The control CPU 63 detects the input of the single telephone setting signal S1 and causes the incoming call detection switching circuit 57 to connect the telephone line L1 to the incoming call detection circuit 50;
A control signal S3 for connecting the communication circuit 53 and the selection signal transmission circuit 52 to the telephone line L1 is output to the communication path switching circuit 55. Therefore, the activated incoming call detection switching circuit 57 and the communication path switching circuit 55 cause the telephone line L1
A signal transmission path is formed between the cordless telephone handset 12 and the cordless telephone handset 12 via the cordless telephone connection device 11. Further, at the time of setting as the above-mentioned single telephone, since the communication path switching circuit 55 is not connected to the extension communication line L12, no power is supplied from the home telephone main device 1. Therefore, the circuit power of the cordless telephone connection device 11 is
The power supplied from the power supply and converted to the working voltage via the power supply stabilizing circuit 62 is used. Further, as shown in the block diagram of FIG. 4, the cordless telephone handset 12 uses, as a circuit power supply, a power supply supplied from a secondary battery 80 and converted to a working voltage via a power supply stabilization circuit 81.

After the cordless telephone device 10 is set as a single telephone in this way, the outside line calling signal S10 transmitted from the telephone office via the telephone line L1 is input to the cordless telephone connection device 11, as shown in the block diagram of FIG. Then, the outside line call signal S10 is input to the control CPU 63 as an outside line incoming detection signal S11 detected by the incoming call detection circuit 50.
The control CPU 63 determines from the input external line incoming detection signal S11 that an incoming call is being received from the telephone line L1, and outputs an external line incoming data signal S12 containing this determination information.
This external line incoming data signal S12 is modulated through a modulation / transmission circuit 59, and is transmitted from an antenna 58 to the cordless telephone handset 1
The radio wave is transmitted to the second antenna 70.

The external line incoming data signal S12 received by the antenna 70 of the cordless telephone handset 12 shown in the block diagram of FIG.
It is input to U83. The control CPU 83 determines from the input external line incoming data signal S12 that an incoming call is being received from the telephone line L1, and activates a ring tone signal S13 for sounding the speaker 77 and an indicator light circuit 78 to turn on the indicator light. By outputting the control signal S14 for lighting / flashing, a ring tone is sounded by the speaker 77 and the indicator lamp of the indicator lamp circuit 78 is turned on / flashing. When the resident or the like who uses the cordless telephone handset 12 properly responds to the outside line call notification by operating the key matrix circuit 79 appropriately, a key control signal S15 containing this operation information is output from the control CPU 83. . This key control signal S15 is modulated via the modulation / transmission circuit 72,
The radio wave is transmitted from the antenna 70 to the antenna 58 of the cordless telephone connection device 11.

The key control signal S received by the antenna 58 of the cordless telephone connection device 11 shown in the block diagram of FIG.
15 is a control CPU demodulated through the reception / demodulation circuit 60.
63 is input. The control CPU 63 determines a call response by a resident or the like using the cordless telephone handset 12 from the input key control signal S15, and
3 is connected to the telephone line L1 via the selection signal transmitting circuit 52 and the communication line switching circuit 55, so that the telephone station via the formed telephone line L1 and the receiver of the cordless telephone handset 12 via the cordless telephone connection device 11 The communication signal S16 can be transmitted / received via the communication path between the microphone 75 and the microphone 76, and the outside line communication is established.

In the above-described setting as a single telephone, a resident or the like using the cordless telephone device 12 operates the key matrix circuit 79 as appropriate to send the call to the cordless telephone connection device 11 and the telephone station via the telephone line L1. Is performed, a key control signal S17 containing this operation information is output from the control CPU 83. This key control signal S17 is transmitted through the same path as the key control signal S15 output at the time of the above-described call response, and is input to the control CPU 63 of the cordless telephone connection device 11 shown in the block diagram of FIG. The control CPU 63 determines from the input key control signal S17 whether an outside line has been called by a resident or the like who uses the cordless telephone handset 12, and activates the selection signal generation circuit 51. Therefore, the dial signal (selection signal) S18 is generated and transmitted from the activated selection signal generation circuit 51 via the selection signal transmission circuit 52, and the call path switching circuit 55 and the telephone line L
When the call is transmitted to the central office via 1, an outside line call is established.

Next, in order to use the cordless telephone device 10 as one terminal of the home telephone as shown in the block diagram of FIG. 2, the changeover switch 56 of the cordless telephone connection device 11 shown in the block diagram of FIG. When the cordless telephone device 10 is set (operating) as one terminal of the home telephone, the control CPU 63 does not receive the above-mentioned single telephone setting signal S1 by setting the control telephone 63 to the inactive state. A control signal S4 for canceling the connection of the incoming call detection circuit 50 to the telephone line L1 to the detection switching circuit 57, and a communication circuit 53 and a selection signal transmission circuit 52 to the communication line switching circuit 55 to the external communication line L11 and the internal communication line L12. A control signal S5 to be connected is output. Therefore, the activated incoming call detection switching circuit 57 and the communication path switching circuit 55 allow the external telephone line L11, the telephone line L1 via the home telephone main unit 1, the internal telephone line L12, the home telephone main unit 1, the doorphone connection wiring L
2, a signal transmission path is formed between the intercom 2, the extension telephone 3 via the extension communication line L <b> 12, and the cordless telephone handset 12 via the cordless telephone connection device 11. Also, since power is supplied from the extension power supply circuit 212 of the home telephone main device 1 shown in the block diagram of FIG. 10 via the extension communication line L12, the extension data transmission / reception circuit 54 and the extension power supply circuit 61 are each in an active state. The circuit power supply of the cordless telephone connection device 11 is the extension power supply circuit 6.
The power supplied from the power supply 1 and converted to the working voltage through the power supply stabilizing circuit 62 is used. Further, as shown in the block diagram of FIG. 10, the home telephone main unit 1 supplies the power supplied from the external power supply adapter 217 and converted to the working voltage through the power supply stabilizing circuit 214, and the extension telephone 3 uses the power supply shown in the block diagram of FIG. As shown, power supplies transmitted through the extension communication line L12 from the extension power supply circuit 212 of the home telephone main unit 1 and converted into use voltages in the extension telephone 3 are used as circuit power supplies.

After setting the cordless telephone device 10 as one terminal of the home telephone, the outside line calling signal S10 transmitted from the telephone station via the telephone line L1 is input to the main home telephone device 1 as shown in the block diagram of FIG. Then, the outside line calling signal S10 is converted into an outside line incoming detection signal S21 detected by the incoming call detection circuit 210 by the control CPU2.
16 is input. The control CPU 216 determines from the input external line incoming detection signal S21 that there is an incoming call from the telephone line L1, and outputs a preset serial external line incoming data signal S22 containing this determination information. The external line incoming data signal S22 is transmitted from the extension data transmission / reception circuit 213 to the extension telephone 3 and the cordless telephone connection device 11 via the extension communication line L12. Accordingly, the external line incoming data signal S22 input to the extension telephone 3 is appropriately processed (not described in detail) in the extension telephone 3, and the telephone line L1
You are notified that you are receiving a call from. Also, the external line incoming data signal S22 received by the extension data transmitting / receiving circuit 54 of the cordless telephone connection device 11 shown in the block diagram of FIG.
Is input to the control CPU 63. The control CPU 63 determines from the input external line incoming data signal S22 that there is an incoming call from the telephone line L1, and outputs the external line incoming data signal S22 when the external line is called when the external line is set as a single telephone. The data signal S12 is transmitted along the same path.

The control CPU 83 of the cordless telephone handset 12 shown in the block diagram of FIG. 4 determines from the input external line incoming data signal S22 that there is an incoming call from the telephone line L1, and uses the speaker 77 to make a ring tone (incoming call). The sound signal S13) is sounded, and the indicator lamp of the indicator lamp circuit 78 is turned on / flashed (control signal S14). When a resident or the like who uses the cordless telephone handset 12 at the time of the above-described outside line call notification appropriately operates the key matrix circuit 79 and answers the call, a key control signal S25 containing this operation information is sent to the control CPU 8.
3 is output. The key control signal S25 is modulated via the modulation / transmission circuit 72, and transmitted from the antenna 70 to the antenna 58 of the cordless telephone connection device 11 by radio waves.

The key control signal S received by the antenna 58 of the cordless telephone connection device 11 shown in the block diagram of FIG.
25 is a control CPU demodulated through the reception / demodulation circuit 60.
63 is input. The control CPU 63 determines a call response by a resident or the like using the cordless telephone handset 12 from the input key control signal S25, and
3 is connected to the outside line L11 through the selection signal transmission circuit 52 and the line switching circuit 55, so that the formed outside line L11, the home telephone main unit 1, the telephone station via the telephone line L1, and the cordless telephone. A call signal S26 can be transmitted / received via a communication path between the receiver 75 and the microphone 76 of the cordless telephone handset 12 via the connection device 11, and an outside line call is established.

Also, at the time of extension calling in which an appropriate calling operation (not described in detail) is performed by the door phone 2, as shown in the block diagram of FIG.
When the intercom call signal S30 transmitted to the main telephone 1 is input to the home telephone main unit 1, the intercom call signal S30 is input to the control CPU 216 as the intercom call detection signal S31 detected by the intercom call detection / communication circuit 211. You. The control CPU 216 determines from the input intercom call detection signal S31 that there is an incoming call from the intercom 2, and outputs a preset serial extension incoming data signal S32 containing this discrimination information. The extension incoming data signal S32 is transmitted from the extension data transmission / reception circuit 213 to the extension telephone 3 and the cordless telephone connection device 11 via the same route as the external incoming data signal S22 transmitted at the time of calling the outside line. Therefore, the extension incoming data signal S32 input to the extension telephone 3 is appropriately signal processed (not described in detail) in the extension telephone 3 to notify that the incoming call is being received from the intercom 2. The extension incoming data signal S32 received by the extension data transmitting / receiving circuit 54 of the cordless telephone connection device 11 shown in the block diagram of FIG.
It is input to U63. The control CPU 63 determines from the input external line incoming data signal S32 that there is an incoming call from the door phone 2, and transmits the internal line incoming data signal S32 through the same route as the external line incoming data signal S22 transmitted at the time of calling the external line. Let it.

The control CPU 83 of the cordless telephone handset 12 shown in the block diagram of FIG. 4 determines from the input extension incoming data signal S32 that an incoming call is being received from the door phone 2, and sets the speaker 77 to the above-described external line calling state. Output a doorphone ringing signal S43 for ringing in a different pattern, and a control signal S44 for driving the indicating lamp circuit 78 and lighting / flashing the indicating lamp in a different pattern from the above-described external line calling. As a result, the intercom ringing tone is sounded by the speaker 77 and the indicator lamp of the indicator lamp circuit 78 is turned on / flashed. When a resident or the like who uses the cordless telephone handset 12 appropriately responds to the call by informing the intercom call notification, the key control signal S45 containing the operation information is transmitted to the control C.
The key control signal S45 output from the PU 83 is transmitted through the same path as the key control signal S25 output at the time of the above-described call response, and is input to the control CPU 63 of the cordless telephone connection device 11 shown in the block diagram of FIG. Control CPU 6
3 determines a call response by the user of the cordless telephone handset 12 from the input key control signal S45,
Since the communication circuit 53 is connected to the extension communication line L12 via the selection signal transmission circuit 52 and the communication path switching circuit 55, the formed extension communication line L12, the home telephone main unit 1, and the intercom 2 via the intercom connection wiring L2 are connected. And a call signal S46 via a communication path between the receiver 75 and the microphone 76 of the cordless telephone handset 12 via the cordless telephone connection device 11.
Can be transmitted and received, and a door phone call is established.

When the above-described home telephone is set as one terminal, a resident or the like using the cordless telephone handset 12 appropriately operates the key matrix circuit 79, and the extension telephone line L12, the home telephone main unit 1, the telephone When an external line is called to the telephone office via the line L1, or to the cordless telephone connection device 11, the external line communication line L11, the home telephone main device 1, and the telephone office via the telephone line L1,
The key control signal S50 containing this operation information is transmitted to the control CPU
83. The key control signal S50 is transmitted along the same path as the above-described key control signal S45 and the like, and is controlled by the control CPU of the cordless telephone connection device 11 shown in the block diagram of FIG.
63 is input. The control CPU 63 determines from the input key control signal S50 whether an outside line has been called by a resident or the like who uses the cordless telephone handset 12, and selects the selection signal generation circuit 51.
Is activated. Accordingly, the dial signal (selection signal) S51 is generated and transmitted from the activated selection signal generation circuit 51 via the selection signal transmission circuit 52, and the communication path switching circuit 55,
Outside line L11, home telephone main unit 1, telephone line L
An outside line call is established by being transmitted to the telephone office via 1.

The extension line L shown in the block diagram of FIG.
Descriptions of operations such as extension calls and extension calls established between the extension telephone 3 and the cordless telephone device 10 via 12 are omitted. Further, in the above description, the cordless telephone device 10 is connected to the cordless telephone connection device 11 by previously operating the switch 56 provided on the cordless telephone connection device 11 in order to switch and use the cordless telephone device 10 as a single telephone or as one terminal of a home telephone. Line (signal transmission line) was switched, respectively.
The cordless telephone device 1 is determined by the presence or absence of an extension (extension) line voltage detected by the extension power supply circuit 61 provided in the cordless telephone connection device 91 shown in the block diagram of FIG.
The operation when switching 0 to use as a single telephone or use as a terminal of a home telephone will be described. Further, in the cordless telephone connection device 91 shown in the block diagram of FIG. 5, the changeover switch 56 is removed from each unit constituting the cordless telephone connection device 11 shown in the block diagram of FIG. 3, and the extension power supply circuit 61 and the control CPU 63 are connected. The other circuit configurations are the same.

When the cordless telephone device 10 including the cordless telephone connection device 91 and the cordless telephone handset 12 is used as a single telephone, the communication path switching circuit 55
Is not connected to the extension communication line L12, so that the extension power supply circuit 61 supplies power from the power supply circuit 212 of the home telephone main unit 1 shown in the block diagram of FIG. Since no voltage is detected, the control CPU 63 connected to the extension power supply circuit 61
Is at the H (High) level. Therefore, control C
Under the control of the PU 63, the telephone line L1 is connected to the incoming call detection circuit 50 via the incoming call detection switching circuit 57 and the communication circuit 53 and the selection signal transmission circuit 52 are connected in the same manner as in the switching operation of the changeover switch 56 described above. Road switching circuit 5
5, the cordless telephone device 10 can be set for use as a single telephone. On the other hand, when the terminal is used as one terminal of the home telephone, since the communication path switching circuit 55 is connected to the extension telephone line L12, the extension power supply circuit 212 of the home telephone main device 1 shown in the block diagram of FIG. Power is supplied through the line L12, and the line voltage of the extension is detected by the extension power supply circuit 61, and the input terminal of the control CPU 63 goes to L (Low) level. Therefore, the control CPU 6
As in the switching operation of the changeover switch 56, the connection of the incoming call detection circuit 50 to the telephone line L1 is released by the control of the switch 3, and the communication circuit 53 and the selection signal transmission circuit 52 switch the communication path switching circuit 55 The cordless telephone device 10 can be set to be used as one terminal of the home telephone because the telephone is connected to the outside line L11 and the inside line L2 via the telephone line.

[0041]

As is apparent from the above description, according to the cordless telephone device of the present invention, whether or not the changeover switch provided in the cordless telephone connecting device constituting the cordless telephone device is operated or whether the extension power supply circuit is used. By switching the line (signal transmission line) to which the cordless telephone device is connected to an external line (external communication line) or an internal line (extension communication line) depending on the presence or absence of the detected line voltage of the extension (extension system), the cordless telephone device Can be easily switched to use as a single telephone or as one terminal of a home telephone to function. Therefore, it is possible to flexibly cope with a change in the number of constituents and a change in the use form in the home, and thus it is possible to improve the system.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration when a cordless telephone device according to the present invention is used as a single telephone.

FIG. 2 is a block diagram showing a configuration when the cordless telephone device according to the present invention is used as one terminal of a home telephone.

FIG. 3 is a block diagram showing a configuration of the cordless telephone connection device shown in FIGS. 1 and 2;

FIG. 4 is a block diagram showing the configuration of the cordless telephone handset of FIGS. 1 and 2;

FIG. 5 is a block diagram showing a configuration of another embodiment of the cordless telephone connection device of FIG. 3;

FIG. 6 is a block diagram showing a configuration when a conventional cordless telephone device is used as a single telephone.

FIG. 7 is a block diagram showing a configuration of the cordless telephone connection device of FIG. 6;

FIG. 8 is a block diagram showing the configuration of the cordless telephone handset of FIG. 6;

FIG. 9 is a block diagram showing a configuration when a conventional cordless telephone device is used as one terminal of a home telephone.

FIG. 10 is a block diagram showing a configuration of the home telephone main device of FIGS. 2 and 9;

FIG. 11 is a block diagram showing a configuration of the cordless telephone connection device of FIG. 9;

FIG. 12 is a block diagram showing the configuration of the cordless telephone handset of FIG. 9;

[Explanation of symbols]

1 Home telephone main unit 2 Doorphone 3 Extension telephone 11, 91 Cordless telephone connection device 12 Cordless telephone cordless handset 52 53 ... Outgoing, talking, and receiving means (selection signal sending circuit, talking circuit, incoming call detecting circuit) 54... Calling means (extension data sending / receiving circuit) 56. ······························ Phone line

Claims (3)

[Claims] 1. A cordless telephone connection device (11, 91) connected to a telephone line (L1) as a single telephone or via a home telephone main device (1) of a home telephone, and cordlessly connected to the cordless telephone connection device. A cordless telephone device provided with a cordless telephone handset (12), wherein the cordless telephone connection device transmits / receives a call to / from the telephone line via the home telephone main device as the single telephone or as one terminal of the home telephone. Calling / calling / receiving means (52, 53, 50) for receiving a call; calling means (54) for calling from a door phone (2) as the home telephone and calling between extension telephones (3); Incoming call detection switching controlled to function as a telephone or as one terminal of the home telephone Cordless telephone apparatus characterized by having a step (57). 2. The cordless telephone connection device according to claim 1, further comprising a changeover switch for changing over said incoming call detection changeover means for changing over said single telephone or one terminal of said home telephone. 2. The cordless telephone device according to 1. 3. The cordless telephone connection device detects voltage of the extension according to connection to the line and automatically determines switching as the sole telephone or one terminal of the home telephone, and determines whether the terminal is a single telephone or the single telephone. The cordless telephone device according to claim 1, further comprising an extension power supply circuit (61) for switching the incoming call detection switching means for switching the home telephone as one terminal.