JPH0252545A - Wire and radio telephone system - Google Patents

Abstract

PURPOSE:To attain talking as a wire telephone set together with the state of charging by connecting connectors of a base station and a mobile station after a charger of the mobile station is discharged and connecting a reception circuit and a transmission circuit of the base station to a receiver and a transmitter of the mobile station. CONSTITUTION:When a connector 31 of the base station 20 and a connector 49 of the mobile station 40 are connected, control circuits 28, 47 obtain the connection information by make contact of connection coupling sensing switches 34, 52 to break switches 32, 33, 50, 51 thereby stopping the radio transmitters 26, 46 and the radio receivers 27, 45 corresponding thereto. In this case, the reception circuit 23 and the transmission circuit 24 of the base station 20 are connected to the receiver 43 and the transmitter 44 of the mobile station 40 via the connectors 31, 49 and the circuits act like a wire telephone set and the charger 48 of the mobile station 40 is energized from a power supply circuit 29 of the base station 20 to charge the charger 48.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a wired wireless telephone that has both a calling function as a wired telephone and a calling function as a wireless telephone.

[Prior Art] A radio telephone is used which is composed of a base station connected by a wire to a subscriber line terminal of an exchange, and a mobile station connected to the base station by a wireless line. In this wireless telephone, a charger for supplying power to a wireless receiver, a wireless transmitter, and a control circuit that constitute the mobile station is built into the mobile station.

[Problems to be Solved by the Invention] However, in conventional radio telephones, after the charger of the mobile station is discharged, the radio receiver, radio transmitter, and control circuit cannot be driven until the charge is restored. Calls cannot be made, including while charging.

Furthermore, Japanese Patent Application Laid-open No. 199242/1983 discloses that a radio telephone is equipped with a ring tone output path (speaker), a key input circuit, a receiver, and a transmitter not only on the mobile station but also on the base station side. It has been proposed that the base station can function as a priority telephone by leveraging the current from the exchange during a power outage.

According to this radio telephone, even after the charger of the mobile station is discharged, it is possible to utilize the priority telephone function provided by the base station in the same way as in the case of a power outage, and to be able to make a call.

However, in the device described in JP-A-60-199242, both the base station and the mobile station are equipped with a ringing tone sending circuit, a key input circuit, a receiver, and a transmitter. necessary, and the device configuration becomes complicated.

An object of the present invention is to enable a mobile station to make a call after the charger of the mobile station is discharged, including during charging, with a simple configuration.

[Means for Solving the Problems] The present invention provides a wired wireless telephone comprising a base station connected to an exchange by wire, and a mobile station connected to this base station by a wireless line, wherein the base station is connected to the exchange a ring detection circuit that detects a ring signal from the exchange, a dial circuit that sends a dial signal to the exchange, a receiver circuit, and a transmitter circuit;
a hybrid circuit for connecting the receiving circuit and the transmitting circuit to an exchange in a manner that prevents calls from looping between the receiving circuit and the transmitting circuit; a wireless transmitter to which the receiving circuit is connected; A radio receiver to which a speech transmission circuit is connected, and an incoming call signal sent to the radio transmitter by the output of the ring detection circuit, and when the radio receiver receives a call from a mobile station, the dial circuit is activated. a control circuit for driving, a power supply circuit for feeding power to the radio transmitter, the radio receiver, and the control circuit; and a connector to which each of the receiver circuit, the transmitter circuit, and the power supply circuit is connected. The mobile station includes a ring tone output path, a key input circuit, a handset, a handset, a wireless receiver to which the handset is connected, and a wireless transmitter to which the handset is connected. and a control circuit that drives the ringing tone sending circuit when the wireless receiver receives an incoming signal from a base station and sends a calling signal to the wireless transmitter in response to an input applied to a key input circuit. A base station connector comprising: a charger for feeding power to the radio receiver, the radio transmitter, and the control circuit; and a connector to which the receiver, the transmitter, and the charger are respectively connected; By connecting the power supply circuit of the base station to the mobile station's charger and charging the charger, the receiver circuit and the transmitter circuit of the base station can be connected to the receiver of the mobile station and the receiver of the mobile station. By connecting to each of the transmitters and stopping the corresponding wireless transmitters and wireless receivers by the respective control circuits of the base station and mobile station, it is configured to be able to make calls as a wired telephone. This is what I did.

[Function] (A) In the wired wireless telephone of the present invention, the connector of the base station and the connector of the mobile station are normally used in a non-coupled manner, and the wireless transmitter, wireless receiver, and control circuit of the base station are connected to a power supply circuit. The wireless receiver, wireless transmitter, and control circuit of the mobile station are powered by the charger, and the following ■
, ■ You can make calls as a wireless telephone.

(2) When the ring detection circuit of the base station detects a ring signal from the exchange, the control circuit at the base station sends an incoming signal to the wireless transmitter. The base station radio transmitter sends the incoming signal to the mobile station radio receiver. In the mobile station, when the control circuit receives the incoming signal via the radio receiver, the ring tone sending circuit is driven. As a result, when the mobile station responds, a call can be made via the mobile station's handset, transmitter, radio receiver, radio transmitter, base station's radio receiver, radio transmitter, receiver circuit, and transmitter circuit. .

(2) When a call is made using the key input circuit of the mobile station, the control circuit of the mobile station sends this call signal to the radio receiver of the base station using the radio transmitter. In the base station, when the control circuit receives the calling signal via the radio receiver, the dial circuit is driven.

This sends out a dialing signal to the other subscriber,
When the other subscriber responds, a call can be made using the same route as in (2) above.

CB) Next, when the connector of the base station and the connector of the mobile station are connected, the control circuits of the base station and the mobile station stop their respective radio transmitters and radio receivers, and the radio telephone operates as a radio telephone. function will be stopped. However, in this case, the receiving circuit and transmitting circuit of the base station are respectively connected to the handset and transmitter of the mobile station via connectors, so the wired telephone You can make calls as

■When the ring detection circuit of the base station detects the ring signal from the exchange, the control circuit of the base station sends the incoming signal to the control circuit of the mobile station via the connector.

As a result, the control circuit of the mobile station drives the ringing tone sending circuit, and when the mobile station responds, a call can be made via the mobile station's receiver, transmitter, connector, base station connector, receiving circuit, and transmitting circuit. becomes.

(2) When a call is made using the key input circuit of the mobile station, the control circuit of the mobile station sends a call signal to the control circuit of the base station via the connector. As a result, the control circuit of the base station drives the dial circuit, sends a dial signal to the other subscriber, and when the other subscriber responds, the call can be made using the same route as in (2) above.

In this case (B), at the same time, power is supplied from the power supply circuit to the charger of the mobile station, and this charger can be charged.

In addition, in this (B), during the above ■ and ■ calls,
Since the control circuit completely stops the operation of the wireless transmitter and radio receiver, wireless calls do not intrude into wired calls as background noise, ensuring high line quality as a wired phone.

Note that this can always be achieved if the mobile station is near the base station, and high-quality wired calls can be achieved even when the mobile station's charger is not discharged.

That is, according to the present invention, charging of the mobile station can be easily performed using a simple configuration that does not require duplication of ring tone sending circuits, key input circuits, handsets, and transmitters between the base station and the mobile station. After the device is discharged, including while charging, you will have a wired wireless phone that can make calls.

[Example] FIG. 1 is a block diagram showing one embodiment of the present invention.

The wired wireless telephone 10 consists of a base station 20 connected by wire to subscriber line terminals 12a and 12b of an exchange 11 provided at a telephone office, and a mobile station 40 connected to the base station 2o by a wireless line. . Note that the exchange of the present invention may be installed in the subscriber's premises.

The base station 20 includes a discharge sound detection circuit 21 that detects a calling signal from the exchange 11, and a dial circuit 22 that sends a dial signal to the exchange 11.

The base station 20 also includes a receiving circuit 23, a transmitting circuit 24,
The receiving circuit 23 and the transmitting circuit 24 are arranged in such a way that calls do not go around between the receiving circuit 23 and the transmitting circuit 24.
A hybrid circuit 25 is provided to connect the switch 11 to the switch 11. The base station 20 also includes a wireless transmitter 26 to which the receiving circuit 23 is connected, and a wireless receiver 27 to which the transmitting circuit 24 is connected.
Equipped with Furthermore, the base station 20 sends an incoming call signal to the radio transmitter 26 based on the output of the ring detection circuit 21, and a control circuit 28 that drives the dial circuit 22 when the radio receiver 27 receives a call from the mobile station 40. Equipped with The base station 20 also includes a power supply circuit 29 that supplies power to a wireless transmitter 26 , a wireless receiver 27 , and a control circuit 28 . 30 is a power input terminal. The base station 20 also includes a six-core connector 31 to which the receiving circuit 23, the transmitting circuit 24, and the power supply circuit 29 are connected. Furthermore, the base station 20 includes a power supply circuit 2
A switch 32 is interposed in the power supply line from 9 to the radio transmitter 26, a switch 33 is interposed in the power supply line from the power supply circuit 29 to the radio receiver 27, and a connector is connected between the control circuit 28 and the connector 31. A detection switch 34 is provided.

The mobile station 40 includes a ringing tone sending circuit (speaker or bell) 41, a key input circuit 42, a receiver 43, and a transmitter 44. The mobile station 40 also includes a wireless reception fi 45 to which a receiver 43 is connected, and a wireless transmitter 46 to which a transmitter 44 is connected. Furthermore, the mobile station 40 is connected to the base station 20
A control circuit 47 is provided which drives the ring tone output path 41 when the radio receiver 45 receives an incoming call signal from the radio receiver 45 and sends a call signal to the radio transmitter 46 in response to an input applied to the key input circuit 42. Furthermore, the mobile station 40 has a radio receiver 45
and a charger 48 that supplies power to the wireless transmitter 46 and the control circuit 47.
Equipped with The mobile station 40 also has a receiver 43 and a transmitter 44.
and a charger 48, each having a 6-core connector. Furthermore, the mobile station 40 interposes a switch 50 in the power supply line from the charger 48 to the wireless receiver 45, and the mobile station 40
A switch 51 is interposed in the power supply line from to the wireless transmission ff 146, and a connector connection detection switch 52 is interposed between the control circuit 47 and the connector 49.

Thus, the wired wireless telephone 10 connects the connector 31 of the base station 20 and the connector 52 of the mobile station 40 with the connection cable.
is connected to the charger 48 of the mobile station 4o to charge the charger 48, and the receiver circuit 23 and transmitter circuit 24 of the base station 20 are connected to the receiver 43 and transmitter 44 of the mobile station 40, respectively. The above-mentioned switch is connected, and the above-mentioned Swiss 32.33.50.5
1 and their corresponding radio transmitters 26.
46 and each radio receiver 27.45.
It is configured so that it can be used as a wired telephone.

Next, the operation of the above embodiment will be explained.

(A) The wired wireless telephone 10 is normally used with the connector 31 of the base station 20 and the four connectors of the mobile station 40 uncoupled, and the wireless transmitter 26, the wireless receiver 27, and the wireless receiver 27 of the base station.
The control circuit 28 includes switches 32 and 33 in the make state.
The radio receiver 45, radio transmitter 46, and control circuit 47 of the mobile station 4o are supplied with power from the charger 48 via the switches 50 and 51 in the make state. You can make calls using a wireless telephone as shown in (1) and (2) below.

■When the ringing detection circuit 21 of the base station 20 detects the ringing signal from the exchange 11, the control circuit 28 in the base station 20 transmits the wireless l! ! Sends an incoming signal to i26. The radio transmitter 26 of the base station 20 transmits the above-mentioned incoming signal to the mobile station 40.
It is transmitted to the radio receiver 45 of. In the mobile station 40, when the control circuit 47 receives the above-mentioned incoming signal via the wireless receiver 45, the ring tone sending circuit 41 is driven. As a result, when the mobile station 40 responds, the receiver 4 of the mobile station 40
3. A telephone conversation is possible via the transmitter 44, the radio receiver 45, the radio transmitter 46, the radio receiver 27 of the base station 20, the radio transmitter 26, the receiver circuit 23, and the transmitter circuit 24.

(2) When a call is made using the key input circuit 42 of the mobile station 40, the control circuit 47 of the mobile station 40 sends this call signal to the radio receiver 27 of the base station 20 via the radio transmitter 46.

In the base station 201, when the control circuit 28 receives the calling signal via the radio receiver 27, the dial circuit 22
is driven.

This sends out a dialing signal to the other subscriber.
When the other subscriber responds, a call can be made using the same route as in (2) above.

(B) Next, the connector 31 of the base station 20 and the mobile station 4
When the connector 49 of No. 0 is connected, each control circuit 28.47 of the base station 20 and mobile station 40 obtains the connection information by making the connector connection detection switch 34.52 and switches the switch 32.33.50.51. Each radio transmitter 26.46 and radio receiver 27 corresponding to them by breaking
．． 45, and its function as a wireless telephone is stopped. However, in this case, since the receiver circuit 23 and the transmitter circuit 24 of the base station 20 are connected to the receiver 43 and the transmitter 44 of the mobile station 40, respectively, via the connectors 31.49, the following You can make calls as a wired telephone as shown in ■ and ■.

■When the ringing detection circuit 21 of the base station 20 detects the ringing signal from the exchange 11, the control circuit 28 of the base station 20 transmits the incoming signal to the control circuit 47 of the mobile station 40 via the receiving signal line, connector 31.49. Send to. As a result, mobile station 4
The control circuit 47 of No. 0 drives the ring tone sending circuit 41, and when the mobile station 40 responds, the receiver 43 of the mobile station 40, the transmitter 44, the connector 49, the connector 31 of the base station 20, the receiver circuit 23, and the transmitter It is now possible to make calls via circuit 24.

■When a call is made using the key input circuit 42 of the mobile station 40, the control circuit 47 of the mobile station 40 transmits the call signal to the control circuit 28 of the base station 20 via the transmission signal line and the connector 49.31.
Send to. As a result, the control circuit 28 of the base station 20 drives the dial circuit 22, sends a dial signal to the other subscriber, and when the other subscriber responds, a call can be made through the same route as in (2) above.

In (11), power is simultaneously supplied from the power supply circuit 29 to the charger 48 of the mobile station 40, so that the charger 48 can be charged.

In this (B), when the above ■ and ■ calls are made, the control (1)
Circuit 28.47 is wireless transmitter 26.46, wireless receiver 2
7. Completely stop the operation of 45. Therefore, wireless calls do not intrude into wired calls as back noise, and high line quality can be ensured as a wired phone. Note that this can always be achieved if the mobile station 40 is near the base station 20, and high-quality wired communication can be achieved even when the charger 48 of the mobile station 40 is not discharged.

That is, according to the above embodiment, the base station 20 and the mobile station 4
0, the simple configuration eliminates the need for duplicating a ringer sending circuit, key input circuit, handset, and transmitter, so that the mobile station 40 can be easily used after the charger 48 of the mobile station 40 is discharged, including during charging. Thus, a wired/wireless telephone 10 capable of making calls can be obtained.

In addition, in implementing the present invention, between the base station and the mobile station,
If the three pairs of connection lines that make up the receiving signal line, the sending signal line, and the power connection line are all unbalanced, one of the two lines in each pair can be shared as a ground line. The connector and connection cable can be configured with 4 cores.

[Effects of the Invention] As described above, according to the present invention, with a simple configuration, it is possible to make a call after the charger of the mobile station is discharged, including during charging.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing one embodiment of the present invention. 10... wired wireless telephone, 11...exchange machine, 12a, 12b... subscriber line terminals, 20...Base station, 21...Ring detection circuit, 22...dial circuit, 23... Receiving circuit, 24...Talking circuit, 25...hybrid circuit, 26...Radio transmitter, 27... Wireless receiver, 28... control circuit, 29...power supply circuit, 31... connector, 40...mobile station, 41...Ring tone sending circuit, 42...key input circuit, 3...Telephone receiver, 4...Transmitter, 5... Wireless receiver, 6... Wireless transmitter, 7... control circuit, 8... Charger, 9... Connector. Patent applicant Sekisui Chemical Co., Ltd. Representative: Hiroshi 1) Kaoru figure

Claims (1)

[Claims] (1) In a wired wireless telephone consisting of a base station connected to an exchange by wire and a mobile station connected to this base station by a wireless line, the base station detects a ring tone by detecting a ring signal from the exchange. circuit, a dialing circuit that sends a dial signal to the exchange, a receiving circuit, a sending circuit, and a circuit that prevents calls from looping between the receiving circuit and the sending circuit. A hybrid circuit that connects a voice circuit to an exchange, a wireless transmitter to which the voice receiving circuit is connected, a wireless receiver to which the voice transmitting circuit is connected, and a call received at the wireless transmitter by the output of the ringing detection circuit. a control circuit that transmits a signal and drives the dial circuit when the radio receiver receives a call from a mobile station; a power supply circuit that supplies power to the radio transmitter, the radio receiver, and the control circuit; The mobile station includes a connector to which the receiving circuit, the transmitting circuit, and the power supply circuit are respectively connected, and the mobile station includes a ringing tone sending circuit, a key input circuit, a receiver, a transmitter, and a receiver. , a wireless receiver to which the handset is connected, a wireless transmitter to which the transmitter is connected, a key that drives the ring tone sending circuit when the wireless receiver receives an incoming signal from a base station; a control circuit that sends a calling signal to the wireless transmitter according to an input applied to an input circuit; a charger that supplies power to the wireless receiver, the wireless transmitter, and the control circuit; the receiver and the transmitter; and a connector to which each of the chargers is connected, and by coupling the connector of the base station and the connector of the mobile station, the power supply circuit of the base station is connected to the charger of the mobile station. Charge the charger, connect the receiving circuit and transmitting circuit of the base station to the handset and transmitter of the mobile station, respectively, and perform each corresponding wireless transmission by each control circuit of the base station and mobile station. 1. A wired wireless telephone, characterized in that it is configured so that it can be used as a wired telephone by shutting down the telephone and each wireless receiver.