JPH0653898A - Cordless telephone equipment - Google Patents

Abstract

PURPOSE:To improve the convenience of an automatic answering function of a cordless telephone equipment by simultaneously performing in-recording state display and the sound monitoring of recorded contents by plural telephone sets in the cordless telephone equipment providing an automatic answering function with a connection device and consisting of plural telephone sets. CONSTITUTION:A monitoring part 14 of a calling channel holding means 6A outputs calling channel holding information 14c based upon inputted automatic answering function setting information 14d, holds a calling channel formed in a call incoming state, state, allows a frequency variable signal generator 16 to send a recording informing information 16a having respectively different frequency to plural telephone sets at a time interval set up by a timer circuit 15 to set up timing for allowing each telephone set to enter recording monitoring operation.

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 which comprises a connection device connected to a line and having an answering machine and a plurality of portable telephones, which can simultaneously display an absence recording and monitor the recorded contents on the plurality of telephones. .

[0002]

2. Description of the Related Art For example, a cordless telephone device is known in which a connecting device is provided with an answering machine recording / playback function, and an answering machine function such as recording and playing is set from the connecting device side to realize an operation. The status display such as absence recording and reproduction can be confirmed by an indicator such as a light emitting diode (LED) or a lamp arranged in the connection device. In addition, it supports prank calls, monitors the contents of voice recordings with a voice speaker using a speaker in the connected device for the purpose of absence, and monitors the contents of voice recordings from a handset of a single telephone. There is known a cordless telephone device that can put a telephone into a call state after confirming the other party of the call.

[0003]

A conventional cordless telephone device having an answering machine function and a plurality of telephones is operated by operating a connection device side and an arbitrary one of the telephones to display a status during absence recording and a partner during absence recording. Can be monitored, but not simultaneously from multiple phones. Also, if you want to monitor the recording from your phone,
Since it is the first person to operate the monitor quickly, it is not possible to monitor on multiple phones at the same time to confirm the other party for purposes such as "away from home", and it is not possible for the most suitable one to enter the call, and the monitoring function is sufficient. Cannot be used for.

The present invention has been made to solve such a problem, and an object thereof is to provide a cordless telephone device configured so that a plurality of telephones can simultaneously display the status of absence recording and monitor the voice of recorded contents. To do.

[0005]

In order to solve the above-mentioned problems, a cordless telephone device according to the present invention holds a call channel for holding a call channel between a connection device and a plurality of telephones during answering recording based on answering machine setting information. It is characterized in that it is configured so that all the telephones can simultaneously display an absence message, display during monitoring, and monitor recording contents.

[0006]

In the cordless telephone device according to the present invention, since the connection device and the plurality of telephones are held on the same communication channel during the absence recording, a plurality of telephones simultaneously monitor the contents being recorded by the connection device. be able to. Therefore, you can listen to the recorded content from multiple phones at the same time while recording while you are out, and check it from all the phones that are monitoring the other party who is calling you. The best one of them can make a call.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a block diagram of a cordless telephone device according to the present invention. The cordless telephone device has a telephone line 13
The connection device 1 connected to the connection device 1 and the telephones 21a to 21n that wirelessly communicate with the connection device 1.

FIG. 2 is a block diagram of the connection device of the cordless telephone device according to the present invention. The connection device 1 interfaces with the telephone line 13, and includes a line interface (I / F) unit 2 and a modem / filter unit 3.
, A transmitting / receiving section 4, an antenna 5 for both transmission and reception, a control section 6, a recording / playback section 7 having an answering machine, a tape recorder section 8, low frequency amplifiers 9 and 11, and an electro-acoustic converter such as a speaker. 10 and a voice synthesis unit 12.

The line interface (I / F) unit 2 detects an incoming call signal (bell signal) sent from the telephone station via the telephone line 13 and outputs an incoming call detection signal 2a, and a loop. A DC loop closing circuit for controlling the closing / opening of the DC loop of the telephone line 13 based on the closing information 2b, a dial circuit for selecting a dial signal based on the dial information, a 2-wire to 4-wire converting circuit, etc. Equipped with.

The 2-wire to 4-wire conversion circuit efficiently extracts the reception signal sent through the telephone line 13 and supplies the extracted reception signal 2c to the voice signal input terminal 3a of the modem / filter unit 3. At the same time, the transmission signal 2d from the voice signal output terminal 3b of the modem / filter unit 3 is efficiently transmitted to the telephone line 13.

The modem / filter unit 3 includes a filter unit for processing voice signals for transmission and reception, and transmission data T.
A modem unit (modulation / demodulation unit) for processing D and received data RD is provided.

The filter section includes a transmitting system filter circuit and a receiving system filter circuit. The transmission system filter circuit removes the high frequency components of the reception signal 2c supplied to the voice signal input terminal 3a, and at the same time, transmits the transmission signal of the transmission / reception section 4 to the reception signal 2c, which is the non-linearly compressed voice signal 3e. It is supplied to the input terminal 4a. The reception filter circuit extracts a voice signal from the detection signal (voice signal + received data) 4c output from the reception signal output terminal 4b of the transmission / reception unit 4,
The line interface (I / F) unit 2 performs the non-linear expansion process (the process opposite to the non-linear compression process) into a voice signal, and the voice signal is output from the voice signal output terminal 3b as a transmission signal 2d.
Supply to.

The modem section (modulation / demodulation section) comprises a modulation section and a demodulation section. The modulation unit converts the bit-serial transmission data signal TD supplied to the transmission data input terminal 3c into a signal within an audio frequency band according to the logical level, and transmits the converted modulation signal 3f to the transmission / reception unit 4. It is supplied to the signal input terminal 4a. The modulated signal 3f is configured to be output with priority over the audio signal 3e that has been subjected to the non-linear compression processing, and the audio signal 3f is output while the modulated signal 3f is being output.
Although e is cut off, the time during which the modulated signal 3f is output is extremely short, so that it does not hinder a normal call.

The demodulation section detects the detection signal (voice signal + reception data) output from the reception signal output terminal 4b of the transmission / reception section 4.
The received data signal component is extracted from 4c and demodulated, and the demodulated output is output as the received data signal RD from the received data output terminal 3d.

The transmitter / receiver 4 comprises a transmitter 4d, a synthesizer 4e, and a receiver 4f. The speech channel for transmission and reception is set by the synthesizer unit 4e based on the transmission / reception channel designation information 6a supplied from the control unit 6. Whether to perform transmission and reception is controlled based on the transmission / reception control information 6b supplied from the control unit 6.

The receiving section 4f is provided with transmission / reception channel designation information 6
When the reception level of the call channel designated based on a exceeds a preset threshold value, a carrier sense signal 4g indicating that the call channel is used by another cordless telephone device is output. Is configured.

The control unit 6 comprises a cordless telephone control unit, an answering machine control unit (collectively shown as a control unit in FIG. 2), and a call channel holding means 6A, and is constructed by using a microcomputer.

The control unit 6 outputs the transmission / reception channel designation information 6a to designate a channel (control channel, communication channel) for transmission / reception, and monitors whether or not the channel is vacant based on the carrier sense signal 4g. In addition, the control unit 6 transmits and receives information to and from the telephones 21a to 21n, controls the channel to be used, and performs telephone call response processing based on the telephone call detection signal 2a and telephone call requests from the telephone side. It is configured to control the closing / opening of the DC loop and the sending of dial signals according to the operation contents on the side. Further, the control unit 6 sends the voice request signal 6f to the voice synthesizing unit 12 based on the key information 7a of the recording / playback operation unit 7.
To receive the operation guidance data 12a or send the recording / playback instruction information 6h to the tape recorder unit 8 for recording or playback.

The call channel holding means 6A has a monitor control section 14, a timer circuit 15, and a variable frequency signal generator 1 as shown in the block diagram of the call channel holding means of FIG.
It consists of 6. This call channel holding means 6A is
The line interface (I / F) unit 2 detects an incoming signal (bell signal) sent from the central office via the telephone line 13, and exceeds the preset number of incoming calls by the recording / playback operation unit 7 recording key operation. When the tape recorder unit 8 starts automatic recording, the monitor control unit 14 outputs the call channel holding information 14c based on the absence setting information 14d from the control unit 6.
To transmit. The call channel holding information 14c transmitted to the control unit 6 is configured to be transmitted as a transmission data signal TD from the antenna 5 for both transmission and reception to the telephone sets 21a to 21n via the modem / filter unit 3 and the transmission / reception unit 4.

The control unit 6 controls the call channel holding information 14c.
21 based on the call channel
The communication channel formed between a to 21n is kept as it is. On the other hand, as the transmission data signal TD, the telephones 21a ...
Based on the call channel holding information 14c transmitted to 21n, the control unit on the telephone side also holds the call channel in the ringing state of the incoming call and stops ringing the bell.

Further, the call channel holding means 6A causes the monitor control section 14 to start the timer start information 14 when the recording state is established.
a to generate the timer circuit 15 and operate the timer signal 1
5a is output to the signal generator 16. The signal generator 16 is
Based on the absence recording operation information 14b and the timer signal 15a from the monitor control unit 14, n pieces of recording notification information 16a corresponding to the number of telephones are repeatedly output in order.

The data of the n pieces of recording notification information 16a for notifying the telephones 21a to 21n from the connection device 1 of the recording state is transmitted from the transmission data output terminal 6c of the control unit 6 to the transmission data input terminal 3c of the modem filter unit 3. A modem / filter unit 3, which is configured as a transmission data signal TD supplied to
Recording information is transmitted from the transmitting / receiving antenna 5 to the telephones 21a to 21n via the transmitting / receiving unit 4, and the display unit 28
Drive b to display. Also, the telephones 21a to 21n
When monitor information for monitoring the recorded contents is sent from the connection device 1 to the connection device 1, the control unit 6 outputs the reception data signal RD from the reception data output terminal 3d of the modem filter unit 3.
To the line interface (I / F)
The reception signal 2c sent through the 2-wire to 4-wire conversion circuit of the section 2 is sent to the transmission / reception section 4 through the modem / filter section 3, and the telephones 21a to 21n are transmitted from the antenna 5 for both transmission and reception.
To the handset 25b of the telephones 21a to 21n.
To monitor the other party's voice.

The tape recorder section 8 comprises a recording section 8a, a reproducing section 8b, a magnetic tape driving section 8c, a recording / reproducing head 8d, a recording / reproducing changeover switch 8e, etc.
Based on the key information 7a from the recording / playback operation unit 7 and the recording / playback instruction information 6h output from the control unit 6, the recording, the reproduction, the recording monitor, etc. during a call are driven, and the line interface (I / F) Based on the recording / playback instruction information 6h controlled by the incoming call detection signal 2a from the unit 2, the playback unit 8b automatically sends a response message, and the voice from the recording unit 8a is automatically absent. It is configured to record.

Reproduction output 8f from the tape recorder unit 8
Monitors the absence recording state by outputting the voice output 9a amplified by the low frequency amplifier 9 from the electro-acoustic converter 10 such as a speaker.

The message and operation guidance data 12a from the voice synthesizing unit 12 is output as a voice signal 6g from the control unit and is output as voice from the electro-acoustic converter 10 such as a speaker via the low frequency amplifier 11. The audio signal input terminal 3a of the modem filter unit 3 is provided,
The data is transmitted to the telephones 21a to 21n via the filter unit 3, the transmission / reception unit 4, and the antenna 5 for both transmission and reception, and the handset 2
Audio is output from 5b.

FIG. 4 is a block diagram of a telephone of the cordless telephone device according to the present invention. This telephone 21a ~
21n is an antenna 22 for both transmission and reception, and a transmission / reception unit 23.
, Modem / filter unit 24, receiver amplifier 25a, receiver 25b, transmitter 26, controller 27f, transmitter switch 27g, display controller 28a, display unit 28b.
And the operation unit 29.

Antenna 22 for both transmission and reception, transmission / reception section 2
3. The configuration of the modem / filter unit 24 is the same as that of the connection device 1. Audio signal input terminal 2 of modem / filter unit 24
The transmission signal from the transmitter 26 is supplied to 4a. The reception signal output from the voice signal output terminal 24b of the modem / filter unit 24 is amplified by the reception amplifier 25a to drive the reception device 25b. In this example,
The monitor during recording is the receiver 25 via the receiver amplifier 25a.
It is configured to start from b.

The control section 27f is constituted by using a microcomputer, controls the telephones 21a to 21n side in accordance with the key input information 29a from the operation section 29, and
The transmission data td is generated based on the key input information 29a and is sent to the connection adapter 1. Further, the reception data from the connection device 1 is configured to be input as a reception data signal rd from the reception data output terminal 24d of the modem / filter unit 24. In addition, the control unit 27f
Outputs the transmission / reception channel designation information 6a, designates a channel (control channel, call channel) for transmission / reception, monitors whether or not the channel is vacant based on the carrier sense signal 23g, and sets the transmission / reception control information 27b. The point of outputting and controlling the transmission / reception state is the same as that of the control unit 6 of the connection adapter 1. Furthermore, 21a to 21n
The control unit 27f of each of the telephones receives one of the n pieces of recording notification information sent from the connection device 1 and sets the call channel formed with the connection device 1 in the ringing state of the incoming call. The status is displayed while the message is being recorded while the message is being recorded.

The transmission switch 27g is a control unit 27f.
Controlled by the transmission control information 27i from the switch, the switch is turned on in the call state to connect the transmitter 26 and the voice signal input terminal 24a of the modem / filter unit 24, and the switch is turned off in the answering machine monitor state to turn off the transmitter. The transmission signal from 26 is cut off.

The display control unit 28a changes the display drive mode based on the display control information 27e from the control unit 27f and drives the display unit 28b. The display control information 27e is configured to control the display corresponding to the recording notification information sent from the connection device 1 indicating the recording status and the monitor information based on the monitor key information 29a of the operation unit 29 of the telephones 21a to 21n. is doing.

The display portion 28b is a light emitting diode (LE).
D) or a visible indicator such as a lamp, and the indicator is arranged by, for example, a self-illuminating key switch in which the indicator is built in the corresponding key.

Next, the operation of the cordless telephone device according to the present invention will be described. When an incoming call arrives in the recording / replaying operation section 7 of the connection device 1 in the absence recording mode, the control section 6 monitors the number of incoming call signals by the incoming call detection signal 2a of the line interface (I / F) section 2. When the preset number of incoming signals (for example, 1 second on and 2 seconds off signals are counted once), the control section 6 sends the recording / playback instruction information 6h to the tape recorder section 8 to record the recording / playback instruction information 6h. Based on the above, a response message 8f is sent from the reproducing unit 8b to the telephone line 13 via the line interface (I / F) unit 2, and subsequently, the voice signal 2c of the other party is taken into the recording unit 8a and the message is recorded on the tape. Start.

On the other hand, in the recording state, the in-recording notification information 16a corresponding to the n telephone sets 21a to 21n output from the call channel holding means 6A in the order of the time T set by the timer circuit 15 is a transmission data signal. Control unit 6 as TD
Is supplied to the demodulation section of the modem / filter section 3 and is supplied to the transmission signal input terminal 4a of the transmission / reception section 4 as a modulation signal 3f obtained by converting the data into a signal within the voice frequency band according to the logical level. This modulated signal is transmitted from the transmitting / receiving antenna 5 to the telephone 21a via the transmitting unit 4d of the transmitting / receiving unit 4.
To 21n.

The modulated signals of the n pieces of recording notification information having the signal duration T, which are sequentially received by the antennas 22 for both transmission and reception of the telephones 21a to 21n, are received by the receiver 23 of the transmitter / receiver 23.
The signal is detected by f, demodulated by the demodulation section of the modem filter section 24, and provided to the control section 27f as reception data rd of the recording notification information from the reception data output terminal 24d. The recording notification information data of the control unit 27f is converted into the display control information 27e and provided to the display control unit 28a to generate the display drive output according to the recording notification information data to display the display unit 28e.
The status display during recording of the connection device 1 is displayed on b.

Although the data is used for the notification information during recording in this example, a voice (for example, "I am recording a message.") Which informs the voice synthesizer 12 of the connection unit 1 that recording is in progress is prepared. The audio data 12a is the audio signal 6 from the control unit 6.
g is output and provided to the modem / filter unit 3 via the low frequency amplifier 11 and passes through the transmission / reception unit 4 in the path of the audio signal,
It can be configured to transmit from the transmitting / receiving antenna 5 to the telephones 21a to 21n.

The recording contents are monitored by the telephones 21a to 21.
When the monitor key 29b of the operation unit 29 is pressed after confirming that recording is being performed on the display unit 28b of n, monitor key information 29a is provided to the control unit 27f. When the recording notification information addressed to itself (for example, the telephone 21a) is received, the transmission data td 27c is used as monitor information from the control unit 27f.
To the modem / filter unit 24, and the monitor information is modulated via the transmitting / receiving unit 23 and transmitted from the transmitting / receiving antenna 22 to the connection device 1. Each of the n telephones transmits the monitor information after receiving the notification information during recording, thereby preventing the monitor information (radio waves) between the telephones from colliding with each other and destroying the data.

Also, already one telephone (for example, telephone 2
1a) is transmitting monitor information and is shifting to the monitor, when another telephone tries to shift to the monitor state, the telephone in the monitor state (telephone 21a) notifies the recording notification information addressed to itself. Moreover, since the monitor information is not transmitted, the radio wave does not collide with the telephone which is about to shift to the monitor. When the monitored telephone (telephone 21a) stops monitoring, the recording notification information addressed to itself is sent again. Therefore, after receiving this information, the monitor information can be transmitted to shift to the monitor.

The modulated signal of the monitor information received by the transmitting / receiving antenna 5 of the connection unit 1 is detected by the receiving section 4f of the transmitting / receiving section 4, demodulated by the demodulating section of the modem / filter section 3, and received data output terminal. The received data TD of the monitor information is input to the control unit 6 from 3d and is provided from the control unit to the call channel holding unit 6A. The call channel holding means 6A holds the call channels of the connection device 1 and the telephones 21a to 21n, and the voice (here, the monitor voice) from the telephone line 13 is sent from the connection device 1 to the telephones 21a to 21n and received from the handset 25b. can do.

On the other hand, when the monitor key is pressed, the transmission control information 27i is sent from the control section 27f of the telephones 21a to 21n.
Is sent to the transmission switch 27g, the switch is turned off, and the transmission signal from the transmitter 26 is cut off. further,
When the monitor key is pressed, the display control information 27e is displayed from the control unit 27f of the telephones 21a to 21n.
The display drive output corresponding to the monitor key information data is generated to display the status of the monitor of the connection device 2 on the display unit 28b.

As the call channels of the connection device 1 and the telephones 21a to 21n are kept in the incoming call state, the recording notification information continues for the duration (for example, while the display unit 28b is lit). ), The monitor key can be operated to put n telephones in the monitor state at the same time.

[0041]

As described above, in the cordless telephone device according to the present invention, the connection device and the plurality of telephones are held on the same communication channel during the absence recording, and the connection devices can be simultaneously connected from the plurality of telephones. You can monitor the contents being recorded. Therefore, since the recorded contents can be heard simultaneously from a plurality of telephones while recording the voice mail, the cordless telephone device having the voice mail function can be conveniently used.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a cordless telephone device according to the present invention.

FIG. 2 is a block configuration diagram of a connection device of a cordless telephone device according to the present invention.

FIG. 3 is a block diagram of a call channel holding unit.

FIG. 4 is a block configuration diagram of a telephone of the cordless telephone device according to the present invention.

[Explanation of symbols]

1 ... Connection device, 2 ... Line interface (I / F) unit,
3, 24 ... Modem / filter unit, 4, 23 ... Transceiver unit,
5, 22 ... Antenna for both transmission and reception, 6, 27f ... Control section, 6A ... Call channel holding means, 7 ... Recording / reproduction section, 8
... tape recorder section, 12 ... speech synthesis section, 21a-2
1n ... telephone, 25b ... receiver, 26 ... transmitter, 27g
… Transmission switch, 28b… Display, 29… Operation

Claims (1)

[Claims] 1. A cordless telephone device comprising a connection device connected to a telephone line and having an answering / recording / playback function, and a plurality of portable telephones capable of wirelessly communicating with the connection device. On the basis of the above, after the absence recording, a call channel holding means for holding the call channels of the connection device and the plurality of telephones is provided until the end of the answer recording, and the display during the absence recording or the monitor and the monitoring of the recorded contents are performed. A cordless telephone device characterized in that all telephones can be simultaneously operated.