JPH0556117A - Cordless telephone system - Google Patents

Abstract

PURPOSE:To switch a call by depressing a hook switch for short time when the other call is received during that a codeless telephone mobile station is in call in the mobile station having a transmitter-receiver and a hook switch. CONSTITUTION:When the hook switch 19 is depressed during the call, a hook switch depression counting means 20 starts the counting of depression time. When depression time is longer than prescribed time T, line wire termination data is generated in a transmission data generating means 10 and line wire termination data is sent from a transmission antenna 17 and a system returns to a standby state. When depression time is shorter than prescribed time T, the data generating means 10 generates the hook data for closing the line wire again after it is opened for prescribed time. Then, the hook data is sent from the transmission antenna 17 through an RF transmission circuit 11 so as to maintain the line wire call.

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 in which a handset is provided separately from an operating section in a mobile station.

[0002]

2. Description of the Related Art Conventionally, in a cordless telephone device,
There was an outside line call from another party via the call waiting service, a doorphone call received, an extension line call was received during a mobile station outside line call, or an outside line call was received during a mobile station extension call or during a doorphone call. In that case, the call was switched by pressing a specific button.

FIG. 7 shows a block diagram of a mobile station and a base station of a conventional cordless telephone system. In FIG. 7, A is a base station,
B is a mobile station. In the base station A, 1 is a communication circuit,
Reference numeral 2 is a control means, which controls the operation of each block in the base station A. 3 is a transmission data generation means, 4 is an RF transmission circuit, 5 is a reception data decoding means, 6 is an RF reception circuit, 7 is a transmission antenna, and 8 is a reception antenna. In the mobile station B, 9 is a control means for controlling the operation of each block in the mobile station B. 10 is transmission data generating means, 11 is R
F transmitting circuit, 12 received data decoding means, 13 RF receiving circuit, 14 transmitter, 15 receiver, 16 key group including external line activation button, numeric keypad, 17 transmitting antenna, 18 receiving antenna, Reference numeral 19 is a hook switch.

Next, in the above-mentioned conventional cordless telephone device, a procedure for starting an external line call and a procedure for ending the same will be described with reference to FIG.

First, a procedure for starting an outside line call will be described.
Key group 1 of mobile station B while mobile station B and base station A are on standby
When the outside line start button in 6 is pressed, the transmission data generation means 10 generates call data under the control of the control means 9, and this is transmitted through the RF transmission circuit 11 and the transmission antenna 17 to the base station A. To the control channel, and the base station A receives the calling data from the mobile station B through the receiving antenna 8 and the RF receiving circuit 6 by the receiving data decoding means 5 on the control channel, and then receives it via the control means 2. The transmission data generation means 3 generates response data and call channel designation data for the calling data, and then transmits this to the mobile station B through the RF transmission circuit 4 and the transmission antenna 7. The mobile station B switches the response data from the base station A from the reception antenna 18, the RF reception circuit 13, and the RF transmission circuit 11 to the designated communication channel from the control channel, and then transmits the outside line call activation data to the transmission data generation means 10. Generated by the RF transmitter circuit 1
1, transmit to the base station A through the transmitting antenna 17. Upon receiving the outside line call activation data from the mobile station B, the base station A generates response data to the response data by the transmission data generation means 3, and then transmits the response data to the mobile station B through the RF transmission circuit 4 and the transmission antenna 7. The control circuit 2 causes the communication circuit 1 to capture the line and enter the outside line communication state. When the mobile station B decodes the response data from the base station A through the reception antenna 18 and the RF reception circuit 13 by the reception data decoding means 12, the mobile station B enters the outside line communication state.

Next, a procedure for ending an outside line call will be described.
When the outside line end button in the key group 16 of the mobile station B is pressed during an outside line call at the mobile station B, the transmission data generation means 10 generates the outside line call end data through the control of the control means 9 to generate RF. Transmitting circuit 11, transmitting antenna 17
And transmits to the base station A, and after the transmission, the mobile station returns to the standby mode. When the base station A receives and decodes the outside line call end data from the mobile station B through the reception antenna 8 and the RF reception circuit 6 by the reception data decoding means 5, the control means 2 turns off the transmission power of the RF transmission circuit 4. At the same time, the channel of the RF receiving circuit 6 is changed from the call channel to the control channel, and the standby state is restored.

Since a mobile station of a cordless telephone device having an operation unit in a handset has a structure in which portability is emphasized, generally when starting a call, a start button is pressed or a charging stand is used. If you want to end the call, and then end the call, you had to press the end button. Further, when the handset of the mobile station has a form like a wired telephone, which is separate from the operation unit, and has a hook switch, pressing the hook switch 19 during a call ends the call. .. In a mobile station of a cordless telephone device having an operation unit in the handset, when there is another outside line call due to a call waiting service etc. during an outside line call and you want to switch the outside line call, press the button for ending the outside line once After lowering the mobile station on the charging stand, a button for activating an outside line was pressed, a mobile station was lifted from the charging stand, or a hook button for temporarily opening the line was pressed.

[0008]

However, in the cordless telephone apparatus in which the handset of the mobile station is separate from the operation unit, the hook switch of the mobile station is depressed to cause a gap between the mobile station and the base station. Will cut off the wireless circuit. Therefore, the time equivalent to pressing the hook switch is substantially extended by the time required for wireless reconnection, and the call ends, and the call is switched even if another call comes in due to the call waiting service or the like. There was a problem that I could not.

The present invention solves such a conventional problem, and when the hook switch provided in the mobile station is pressed for a predetermined time or less, there is a call waiting service during an outside call, or an outside call. When the superimposed sound of incoming call on the intercom is heard from the handset of the mobile station during an extension call or during an extension call, or when the superimposed sound of external call reception is heard from the handset during a call between the base station and the mobile station,
It is intended to provide an excellent cordless telephone device capable of switching calls.

[0010]

According to the present invention, in order to achieve the above object, in a mobile station, when a hook switch is pressed for a certain time or less during an outside call, the transmission data generating means generates hook data, and the hook switch When the hook data is received from the mobile station during a mobile station outside line call at the base station, the outside line call is provided when the base station receives the hook line data when the outside line call end data is generated by the transmission data generation means. Without ending the call
After the telephone line is opened for a certain period of time, the reception data decoding means including the hook data decoding means at the time of an outside line call for performing reconnection control is provided, so that while the outside line call is being made at the mobile station, a call waiting service from another partner station There was an outside line call, an outside line call, a doorphone call during a call between the base station and the mobile station, or an outside line call during a call between the base station and the mobile station. In case,
By pressing the hook switch for a short time, the other party can be switched.

[0011]

According to the present invention, therefore, switching to another external call during an external call, switching to an external call during a call between the base station and the mobile station, and switching to a doorphone call during an external call. Etc. can be realized by pressing the hook switch provided in the mobile station, so that the hook switch can be used normally in a mobile station in which the handset and the operation unit are separate and have the same shape as an ordinary wired telephone. It can be used for the same purpose as a wired telephone.

[0012]

1 is a block diagram of a cordless telephone system according to a first embodiment of the present invention.

In FIG. 1, A and B and symbols 1 to 19
7 are the same constituent elements as those of the conventional example shown in FIG. Reference numeral 20 is a hook switch pressing time measuring means. FIG. 2 is a flowchart showing the operation.

The operation of the first embodiment when the hook switch 19 is pressed during an outside line call will be described with reference to FIGS. 1 and 2. When the hook switch 19 is pressed during an outside line call through the call circuit 1 (step S1), the hook switch pressing time measuring means 20 causes the hook switch 1 to operate.
The measurement of the pressing time of 9 is started (step S2), and if the pressing time of the hook switch is equal to or longer than the predetermined time T, the outside data of the outside line is transmitted by the transmission data generating means 10 through the control of the control means 9 as in the conventional case. Generate and RF transmitter circuit 11
Through the transmitting antenna 17, the external line end data is transmitted (step S3), and the process returns to the standby (step S4).
If the hook switch pressing time is less than the fixed time T, the transmission data generating means 10 generates not the outside line end data but the hook data for opening the outside line for a certain time and then reclosing it through the control of the control means 9. RF transmitter circuit 1
The hook data is transmitted from the transmitting antenna 17 through 1 (step S5) to maintain the outside line call. In the base station A, when the outside line end data is received by the reception data decoding means 5 through the receiving antenna 8 and the RF receiving circuit 6 during the outside line call (step S6), the process returns to the standby (step S7). When the hook data is received (step S8), the outside line is released for a certain time (step S9),
By re-closing, when another outside line call is received during an outside line call by the call waiting service, it is possible to respond to the outside line call.

FIG. 3 shows the configuration of a cordless telephone device according to the second embodiment of the present invention. In FIG. 3, A and B and reference numerals 1 to 20 are the same components as those of the first embodiment shown in FIG. In the base station A, 21 is an intercom communication circuit. FIG. 4 is a flowchart showing the operation. Steps S1 to S1 in FIG.
Step S9 is the same operation as that of the first embodiment shown in FIG.

Next, with reference to FIG. 3 and FIG. 4, the operation when the hook switch 19 is pushed down in the second embodiment when there is an incoming call to the intercom through the intercom communication circuit 21 during an outside call will be described.

When the hook switch 19 is pressed when an intercom call is received during an outside line call (step S1), the hook switch pressing time measuring means 20 starts measuring the pressing time of the hook switch 19 (step S2). If the time is equal to or longer than the predetermined time T, the transmission line generation data is generated by the transmission data generation unit 10 through the control by the control unit 9 as in the conventional case, and the transmission line 17 is transmitted from the transmission antenna 17 through the RF transmission circuit 11 (step S3), and returns to standby (step S4). If the hook switch pressing time is less than the fixed time T, the hook data is generated by the transmission data generation means 10 under the control of the control means 9 and not the outside line end data, and the hook data is transmitted from the transmission antenna 17 through the RF transmission circuit 11. Is transmitted (step S5). On the side of the base station A, when the external line end data is received by the received data decoding means 5 through the receiving antenna 8 and the RF receiving circuit 6 during the external line call (step S6), the process returns to the standby (step S7). When the hook data is received during the incoming call of the intercom (step S10) (step S8), the outside line is held and then the intercom call data is transmitted to the mobile station (step S11). If there is no incoming call on the intercom (step S10), the outside line is opened for a certain time as in the first embodiment (step S).
9). When the mobile station B receives and decodes the intercom call data from the base station A through the reception antenna 189RF reception circuit 13 and the reception data decoding means 12 (step S12),
The intercom communication is performed through the intercom communication circuit 21 while the outside line is on hold (step S13).

FIG. 5 shows the configuration of a cordless telephone device according to the third embodiment of the present invention. In FIG. 5, A and B and reference numerals 1 to 20 are the same constituent elements as those of the first embodiment shown in FIG. In the base station A, 22 is a transmitter and 23 is a receiver. In this embodiment, the transmitter 22 and the receiver 2 provided in the base station A are provided.
By using the handset composed of 3 and the handset composed of the handset 14 and the handset 15 provided in the mobile station B, a call can be made between the base station A and the mobile station B. It is configured to be possible. FIG. 6 is a flowchart showing the operation. In FIG. 6, steps S1 to S5 and steps S7 and 8 are the same operations as those of the first embodiment shown in FIG.

Next, in the third embodiment using FIGS. 5 and 6, the hook switch 19 is pressed during a call between the base station A and the mobile station B (hereinafter referred to as an extension call). The operation at that time will be described.

When the hook switch 19 is pressed during the extension call (step S1), the hook switch pressing time measuring means 2
The measurement of the pressing time of the hook switch 19 is started by 0 (step S2), and if the hook switch pressing time is equal to or longer than the predetermined time T, the extension end data is generated by the transmission data generation means 10 and is transmitted through the RF transmission circuit 11. The extension end data is transmitted from the transmission antenna 17 (step S
3) Return to standby (step S4). If the hook switch pressing time is a predetermined time T or less, not the extension end data but the hook data is generated by the transmission data generation means 10 and the hook data is transmitted from the transmission antenna 17 through the RF transmission circuit 11 (step S5). On the side of the base station A, the receiving antenna 8 and the RF receiving circuit 6 are provided during the extension call.
When the extension end data is received by the reception data decoding means 5 through (step S14), the process returns to the standby (step S7). In addition, while receiving an outside line (step S15)
When the hook data is received (step S8), the outside line call data is transmitted to the mobile station (step S16). If there is no incoming call to the outside line (step S15), the hook data is ignored. When the mobile station B receives and decodes the outside line call data from the base station A through the receiving antenna 18, the RF receiving circuit 13, and the received data decoding means 12 (step S17),
An outside line call state is set (step S18).

[0021]

As is apparent from the above embodiment, the present invention is, in the cordless telephone device, switched to another external call during an external call, and switched to an external call during an internal call.
Switching to the intercom call during an outside line call can be realized by pressing the hook switch provided in the mobile station.Therefore, in a mobile station having the same shape as an ordinary wired telephone, the hook switch can be used as an ordinary wired telephone. It has an effect that it can be used for the same purpose as a telephone.

[Brief description of drawings]

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

FIG. 2 is a flowchart of the operation of the device.

FIG. 3 is a block diagram of a cordless telephone device according to a second embodiment of the present invention.

FIG. 4 is a flowchart of the operation of the device.

FIG. 5 is a block diagram of a cordless telephone device according to a third embodiment of the present invention.

FIG. 6 is a flowchart of the operation of the device.

FIG. 7 is a block diagram of a conventional cordless telephone device.

[Explanation of symbols]

 A base station B mobile station 1 communication circuit 5 reception data decoding means 6 RF reception circuit 10 transmission data generation means 11 RF transmission circuit 19 hook switch 20 hook switch pressing time measurement means 21 intercom communication circuit 22 handset 23 handset

Claims (3)

[Claims] 1. A cordless telephone device comprising a base station connected to a telephone line and a mobile station wirelessly connected to the base station, wherein a hook switch in the mobile station and a pressing time of the hook switch. A hook switch pressing time measuring means for measuring the time, and when the pressing time is more than a certain time, end data for ending the call is generated, and if the pressing time is less than the certain time, the line is temporarily opened and then the call is re-closed. And a RF transmission circuit for transmitting the data generated by the transmission data generation means to the base station, and a call connected to a telephone line in the base station. Circuit,
RF for receiving the data transmitted from the RF transmission circuit
A cordless telephone device comprising a receiving circuit and a received data decoding means for decoding the data. 2. The cordless telephone device according to claim 1, further comprising an intercom communication circuit connected to an intercom line in the base station. 3. The cordless telephone device according to claim 1, further comprising a handset in the base station.