JP3131928B2 - Cordless telephone equipment - Google Patents

Abstract

PURPOSE:To provide a displaying method which the increase of electric power consumption is (excessively suppressed in the displaying method in the mobile station of a cordless telephone system. CONSTITUTION:A base station (A), a display equipment 31 displaying information transmitted from the base station (A) and the mobile station (B) operating intermittent reception at the time of waiting are provided and the display equipment 31 of the mobile station (B) is turned on/off by synchronizing it with the ON/OFF of the power source 32 of intermittent reception. When the base station (A) is provided with an automatic answering telephone recording means 9, the mobile station (B) turns on/off the display equipment 31 by a signal from the base station, which displays the existence of automatic answering telephone recording.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to relates to a cordless telephone of small power type, in which so as to display the recording status of voice mail in the mobile station.

[0002]

2. Description of the Related Art A cordless telephone device includes a base station (master unit) and a mobile station (slave unit), and connects the base station and the mobile station with each other by a radio line. A call is made between the mobile station and the office line.

In communication between a base station and a mobile station of this cordless telephone device, "control data" transmitted to call a partner station at the start of communication uses a "control channel" commonly used in the entire system. Information data such as voice exchanged after communication is established between the base station and the mobile station is transmitted through a "communication channel" assigned by the base station from among a plurality of wireless channels.

In a low power type cordless telephone apparatus, when waiting for reception without communication, the reception power of the mobile station is reduced as shown in FIG. Are periodically turned on and off, and this state is called intermittent reception. The on / off ratio in the intermittent reception is set to a ratio of about 0.1 second in one second to be on and the rest to be off.

[0005] To the mobile station during the intermittent reception, display data indicating the recording state of the answering machine and the use state of the radio communication line of the base station are transmitted from the base station, and the mobile station displays those states. A cordless telephone device configured as described above has been devised.

In this case, the transmission of the display data is performed through the control channel, and as shown in FIG. 3B, the period of the intermittent reception, that is, the period in FIG. Display data having a data length T longer than t is transmitted.

As shown in FIG. 2, a cordless answering machine having such a function is provided at a base station A with a line terminal 1 connected to a line, an antenna 4, a receiving circuit 2,
A communication circuit comprising a transmission circuit 5, a radio circuit 12 for connecting the reception circuit 2 and the transmission circuit 5 to the antenna 4, a communication circuit 8 for forming a communication path between the mobile station and the office line, and a call detection unit 10 In addition to the circuit to be formed, the system includes a reception data decoding unit 3, a transmission data generation unit 6, a control unit 7, an answering machine unit 9, and a recording number measurement unit 11.

On the other hand, the mobile station B includes an antenna 21, a receiving circuit 22, a transmitting circuit 25, a receiving circuit 22 and a transmitting circuit 25.
Is connected to the antenna 21, a receiver 28, and a circuit that forms a communication path including the transmitter 29, a reception data decoding unit 23, a transmission data generation unit 26, and a microcomputer. A control unit 27, an answering machine recording / playback push button 30, and a display lamp 31 that is turned on when an answering machine is being recorded, furthermore, a receiving circuit 22 necessary for receiving display data, a received data decoding unit 23 And radio circuits 24
Power supply 32 that supplies power intermittently or continuously to
And a storage battery as a power source for the entire mobile station B.

This cordless answering machine operates as follows.

[0010] The incoming call detecting section 10 of the base station A detects an incoming call on the office line, and when the incoming signal continues for a certain period of time, the control section 7 activates the speech circuit 8 and activates the answering machine section 9, whereby An answering machine operation is started and the contents of the call are recorded. When the call of the partner station is completed, the control unit 7 detects this and sends a signal to the answering machine 9 to send the signal to the answering machine 9.
Stops recording and sends a signal to the recording number measurement unit 11. The recording number measuring section 11 is activated upon receiving a signal from the answering machine 9 and thereafter increases the count by one each time a signal from the answering machine 9 is received.

When the number-of-recordings counting section 11 counts at least one, the control section 7 generates display data indicating that an answering machine has been recorded by the transmission data generation section 6, and the generated display data is transmitted to the transmission circuit 5. And the mobile station B during intermittent reception from the antenna 4 via the control circuit and the radio circuit 12.
Sent to.

In the mobile station B in the standby reception state, as shown in FIG. 3A, the reception power supply 32 operates intermittently to perform the intermittent reception operation. The received display data (b in FIG. 3) is received by the receiving circuit 22 via the antenna 21 and the wireless circuit 24 when the receiving power supply 32 is in the ON state, decoded by the received data decoding unit 23, and sent to the control unit 27. Sent. The control unit 27 receives this signal,
As shown in (e), the indicator 31 such as an LED is continuously turned on.

When the user who knows the presence of the answering machine by turning on the display 31 after returning home presses the answering machine recording / playback push button 30 of the mobile station B, a signal shown in FIG. Then, the control unit 27 continuously operates the reception power supply 32 which has been performing the intermittent operation (FIG. 3A) and turns off the display 31 (FIG. 3E).

At the same time, the answering machine recording / playback push button 30
Is pressed, the base station A is called, and communication between the mobile station B and the base station A is established. Then, the answering machine recording / reproduction request data formed by the transmission data generation unit 26 is transmitted to the transmission circuit.
The signal is transmitted from the antenna 21 through the communication channel through the wireless circuit 25 and the wireless circuit 24.

The signal is received by the radio circuit 12 and the receiving circuit 2 via the antenna 4 of the base station A, decoded by the received data decoding unit 3, and sent to the control unit 7. The control section 7 inputs a signal to the answering machine section 9 to reproduce the recorded contents. The reproduced recorded content is transmitted from the antenna 4 via the transmission circuit 5 and the radio circuit 12 via the communication channel, received by the radio circuit 24 and the reception circuit 22 via the antenna 21 of the mobile station B, and converted into voice by the receiver 28. Is done.

[0016]

However, in a conventional cordless telephone device in which display is performed at a mobile station during intermittent reception, after a mobile station receives display data, a display lamp is always lit to perform display. As a result, current consumption during intermittent reception increases, which causes a problem that the storage battery, which is a power supply source of the mobile station, is consumed quickly and needs to be recharged in a short time.

Accordingly, the present invention is to solve such a problem, and an object of the present invention is to provide a cordless telephone device in which an increase in current consumption in display at a mobile station is suppressed as much as possible.

[0018]

[SUMMARY OF] To achieve this object, the present invention, a base station with answering machine recording means, display means for displaying the information transmitted from the base station
Has, a mobile station performs an operation in the intermittent reception during standby
In cordless telephone apparatus having the mobile station is waiting
Sometimes, there is an answering machine recording from the base station
When the signal is received, the display means is operated in synchronization with the on / off operation of the power supply for the intermittent reception.

[0019]

[0020]

Therefore, the display of the mobile station performs a blinking display in accordance with the turning on / off of the receiving power supply, so that the current consumption can be reduced as compared with the case where the display is constantly turned on. In addition, the display state easily attracts the user's attention, and is excellent in display function.

[0021]

In this embodiment, the present invention is applied to a cordless answering machine. As shown in FIG. 1, the configuration of a base station A is the same as that of the conventional device shown in FIG.
The mobile station B is different from the conventional apparatus shown in FIG. 3 in that a part of the output of the receiving power supply 32 is guided to the control unit 27.

Therefore, when the mobile station B in the intermittent reception state receives the display data indicating the existence of the answering machine recording transmitted by the base station A, the data is transmitted to the reception data decoding unit 23.
Is sent to the control unit 27, and the control unit 27 blinks the display 31 in synchronization with the pulse output from the receiving power supply 32 as shown in FIG. Is displayed.

When the answering machine recording / playback push button 30 is pressed, a signal (c in FIG. 3) is input to the control section 27, and the control section 27 stops the blinking of the display 31 and at the same time, in FIG. Follow the same process as in
Flows from 28.

[0024]

[0025] The display unit 31 is not limited to LED, as long as it can be displayed by energizing, also available of any kind.

[0026]

According to the present invention, the cordless telephone apparatus is a mobile station.
Since the power is intermittently supplied to the display device, the power consumption is smaller than in the case where the power is constantly supplied, so that the time required to charge the storage battery of the mobile station can be extended.

Also, since the display is blinking, it is more conspicuous to the user than the one that is constantly lit, and the display function is excellent.

[Brief description of the drawings]

FIG. 1 is a block diagram of a cordless answering machine according to the present invention;

2 is a block diagram of a conventional cordless telephone answering device,

FIG. 3 is a timing chart for explaining the operation of the device shown in FIGS. 1 and 2;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Office line connection terminal 2, 22 Receiving circuit 3, 23 Receiving data decoding part 4, 21 Antenna 5, 25 Transmitting circuit 6, 26 Transmission data generating part 7, 27 Control part 8 Talking circuit 9 Answering machine part 10 Incoming detecting part 11 Recorded number measurement section 12, 24 Wireless circuit 28 Handset 29 Transmitter 30 Answering machine recording / playback push button 31 Display 32 Receiving power supply

Claims (1)

(57) [Claims] 1. A base station having an answering machine recording means ,
Have the display means for displaying the information transmitted from the base station
And, a mobile station performs an operation in the intermittent reception during standby
A cordless telephone device, wherein when the mobile station is on standby, the answering machine is sent from the base station.
A cordless telephone device , wherein, upon receiving a signal indicating that a recording is present, the display means is operated in synchronization with the power on / off operation of the intermittent reception power supply .