JPH05130215A - Cordless telephone set - Google Patents

Abstract

PURPOSE:To manage an ICM for each slave set independently in the cordless telephone set handling plural slave sets. CONSTITUTION:A master set 2 is provided with a TAD circuit 260 recording an ICM from a caller and reproducing the ICM on request. In the case of the automatic answering mode, when a telephone opposite party depresses a numeral key corresponding to a slave set 1 among numeral keys of dial keys, the ICM from the telephone call opposite party is recorded on a recording medium 264 of a recording and reproducing means 260 and data representing an area of the recording medium 264 in which the ICM is recorded are registered in a table. When a slave set l implements a prescribed key operation, data corresponding to the slave set 1 making key operation are extracted from the table, the ICM recorded in the area is reproduced from the area represented by the extracted data and the reproduced ICM is sent from the master set 2 to the slave set 1 making the key 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 having an answering machine function.

[0002]

2. Description of the Related Art In a cordless telephone capable of handling a plurality of cordless handsets, if a parent device has a TAD circuit (a circuit for an answering machine function), each cordless handset uses the answering machine function. be able to.

[0003]

However, since the ICM (message of the message recorded from the outside line) is mixed when the TAD circuit is simply provided in the master unit, for example, the ICM addressed to oneself is different from the others. People will ask me. Also, when you take out an ICM that you need, you must ask other people about the ICM.

The present invention is intended to solve such a problem.

[0005]

Therefore, in the present invention, when the reference numerals of the respective parts correspond to the embodiments described later, the master unit 2 connected to the line 3 and the master unit 2 at the time of a call are connected.
In a cordless telephone having a cordless handset 1 connected to the other side through a channel by radio waves, the parent device 2 records a message of the message from the other party of the telephone, and requests the recorded message of the message. It has a recording / reproducing means 260 for reproducing when there is a
A recording medium 264 for recording / reproducing messages, and a table for managing the messages recorded in this recording medium 264
In the absence mode, when the other party of the telephone presses the numeric key corresponding to the handset 1 among the numeric keys of the dial key, the recording medium 264 of the recording / reproducing means 260.
In the table MTBL, data indicating a recorded area of the message of the recording medium 264 is registered in the table MTBL while the message of the message from the other party of the telephone call is recorded in the table MTBL. When operating the table MT
The data corresponding to the cordless handset 1 that has been key-operated is extracted from the BL, and the message of the message recorded in this area is reproduced from the area of the recording medium 264 indicated by the extracted data. The generated message is sent from the master unit 2 to the slave unit 1 that has performed the key operation through the channel.

[0006]

In the recording / reproducing circuit 260, the message to the respective slaves is recorded in common. When the slave 1 requests the reproduction, only the requested message to the slave is selectively reproduced. Then, the reproduced message is sent only to the child device 1 which requested the reproduction.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the case of a master unit that can handle five slave units, 11 to 15 are the slave units, 2 is the master unit, and 3 is a telephone line (external line). The slave unit numbers of the slave units 11 to 15 are set to "1" to "5", respectively. Further, since the slaves 11 to 15 have the same configuration, in the following description, the slaves 1 will be represented when it is not necessary to distinguish between the slaves 11 to 15.

In the slave unit 1, 100 is a transmitting / receiving antenna, 110 is a voice signal and a command signal described later.
A transmitter circuit for transmitting CMND, a transmitter 111, a receiver circuit 120 for receiving a voice signal and a command signal CMND,
121 is a receiver, 131 is a dial key, 132 is various operation keys, and 139 is an incoming call ringer.

Further, 140 is a microcomputer for controlling the system, and the microcomputer 140 performs transmission / reception of the transmission circuit 110 and the reception circuit 120, control of the transmission / reception channel thereof, formation and decoding of a command signal CMND, and the like. Further, although not shown, in the memory of the microcomputer 140, an identification code SYID for distinguishing this cordless telephone from other cordless telephones and a cordless handset code HSID indicating a cordless handset number (= 1 to 5) And are held.

On the other hand, the main unit 2 has the same transmitting / receiving antenna 200, transmitting circuit 210, and receiving circuit 220 as the transmitting / receiving antenna 100, the transmitting circuit 110, the receiving circuit 120, the transmitter 111, the receiver 121, and the microcomputer 140 in the portable unit 1.
And a microcomputer 240. Further, the microcomputer 240 is provided with routines 400 to 600 as shown in FIGS. 2 to 4, for example, as routines to be processed by the CPU, and the identification code SYID and answering machine mode are stored in the memory of the microcomputer 240. The flag TADF indicating whether or not is held. When TADF = "0", the normal mode is set, and when TADF = "1", the answering machine recording mode is set.

Further, in the base unit 2, 251 is a cross point switch circuit, 252 is a line interface, and these circuits 251 and 252 are also controlled by the microcomputer 240.

Further, reference numeral 260 is a TAD circuit, and in this example, the ICM is adapted to record / reproduce in / from the memory. That is, 261 is an A / D converter for A / D converting the ICM signal, 262 is a D / A converter for D / A converting the ICM signal, and 263 is a companding circuit for compressing / expanding the ICM signal data. is there. Furthermore, 264-
Reference numeral 266 denotes a memory.
As shown in, a plurality of ICMs are recorded / played back. However, in FIG. 5, ICMn-i indicates the i-th ICM to the child device 1n of the child device number n (n = 1 to 5. Either IC.
M0-i is an ICM that does not have a slave unit specified. The maximum value of i is 10). In addition, the capacity of the memory 264 is, for example, 10 Mbytes, and
Can record 15 minutes of ICM.

Further, the memory 265 has a table MTBL for managing the ICM recorded in the memory 264. This table MTBL is, for example, as shown in FIG. 6, a management area K1 for managing the address of the ICM for each slave unit 1.
~ K5 (= Kn) and a management area K for managing the addresses of ICMs common to the slaves 11 to 15 (without designation of slaves)
Has 0 and. Furthermore, each management area K1 to K5, K0
Has 10 ICM address registration fields each,
When the ICM is recorded in the memory 264, it holds the start address and end address of the recording.

For example, in the case of FIGS. 5 and 6, the slave unit 11
The second ICM1-2 to (slave unit number "1") is memory 2
Since the recording is made from 64 addresses A4 to A5, the addresses A4 and A5 are registered in the second registration field of the management area K1 of the child device 11 in the table MTBL.

Further, the memory 266 is a memory in which OGM (a reply message for notifying the other party of the telephone at the time of an incoming call) is recorded.

Further, the TAD circuit 260 has a memory controller 267, and when a command is supplied from the microcomputer 240 to the controller 267, the controller 267 causes the memory 264, 2 to follow the command.
66 writing or reading (recording or playback)
Is controlled and the voice signal of the message is switched circuit 25.
1 is accessed.

FIG. 7 shows an example of the signal format of the command signal CMND. This signal CMND is used when a predetermined protocol is executed between the handset 1 and the base 2, such as when a call is made, or when data is accessed between the handset 1 and the base 2. , A signal accessed between the child device 1 and the parent device 2. And this signal CMND is
It has a 24-bit bit synchronization signal BSYN at its head, and subsequently has a 16-bit frame synchronization signal FSYN.

Furthermore, the signal CMND follows the signal FSYN by 25
Bit system identification code SYID, 12-bit error correction code ECC for this code SYID, and 3-bit dummy bit DUMY
Following DUMY, there is a 5-byte control code CTRL. In this case, in the control code CTRL, the first byte of the control code CTRL is a code indicating the control content for the slave unit 1 or the master unit 2, and the second byte to the fifth byte are parameters or data related to the first byte. To be done. When it is necessary to access the child device code HSID between the child device 1 and the parent device 2, the child device code HSID is accessed using the control code CTRL.

When the slave unit 1 or the master unit 2 receives this command signal CMND, the microcomputer 140 or 240 stores the identification code SYID (and the slave unit code HSID) included in the signal CMND in its own memory. It is checked whether or not it coincides with the identification code SYID (and cordless handset code HSID) that has been set, and only when they match, the command signal CMND is valid, and when they do not match, it is invalid.

<Call> During a call, a voice signal from the transmitter 111 is supplied to the transmission circuit 110 and converted into an FM signal of an up channel, and this FM signal is transmitted to the antenna 10.
It is transmitted to base unit 2 through 0. Then, in the master unit 2, the FM signal from the slave unit 1 is received by the antenna 200, and the original audio signal is taken out when supplied to the receiving circuit 220, and this audio signal is output to the switch circuit 251 and the line interface 252. Sent to line 3 through.

Further, the voice signal of the other party from the line 3 is supplied to the transmission circuit 210 through the line interface 252 and the switch circuit 251, and the downlink channel FM is transmitted.
The signal is converted into a signal and this FM signal is transmitted to the handset 1 through the antenna 200. Then, in the slave unit 1, the FM signal from the master unit 2 is received by the antenna 100, the original audio signal is taken out and supplied to the receiving circuit 120, and this audio signal is supplied to the handset 121.

Therefore, it is possible to talk with the other party.

<Calling> When the device is in the standby mode, the talk key of the keys 132 in the handset 1 is pressed. Then, in the microcomputer 140 of the handset device 1, the control code CTRL forms a command signal CMND indicating the call request and the handset device code HSID, and this signal CMND is transmitted to the base device 2 and thereafter, A predetermined command signal CMND is accessed between the slave unit 1 and the master unit 2 which requested the call, and a channel is opened between the slave unit 1 and the master unit 2. Further, in the base unit 2, the transmission circuit 210 and the reception circuit 2
20 is connected to the line 3 through the switch circuit 251 and the line interface 252.

Therefore, when the telephone number of the other party is input from the dial key 131, a command signal CMND having the data of the telephone number is formed as the control code CTRL, and this signal CMND is transmitted from the handset 1 to the base unit 2. , The DTMF signal of that telephone number is sent from the base unit 2 to the line 3. Therefore, after that, if the other party answers the call, as described above, the call can be made using the cordless handset 1.

<< End Call >> When the call is finished, the talk key among the operation keys of the handset 1 is pressed. Then, a predetermined command signal CMND is transmitted and received between the child device 1 and the parent device 2, transmission of the parent device 2 is prohibited, and the line interface 252 is put into the on-hook state. In addition, the slave unit 1 is also prohibited from transmitting.

In this way, the call end processing is performed, and thereafter, the apparatus enters the standby mode.

Also, when the other party hangs up during the call, the call termination processing is performed in the same manner, and then the standby mode is entered.

<Normal Incoming Call> At the time of incoming call, when a ringer signal is sent from the line 3, the CPU of the microcomputer 240 in the master unit 2 executes the processing of step 40 of the routine 400.
1 and then in step 402, TA
The D flag TADF is checked. And in this case TA
Since DF = “0” is the normal mode, the process proceeds to step 402.
To step 403. And then, step 4
In 03, an incoming call process is executed.

That is, for example, the control code CTRL is used for the incoming call request and the preset handset 1m (m =
(Any one of 1 to 5), a command signal CMND indicating the cordless handset code HSID is formed, and this signal CMND is transmitted to the cordless handset 1, and thereafter, the cordless handset 2 and the corresponding cordless cord of the cordless handset HSID. A predetermined command signal CMND is transmitted / received to / from the device 1m, and a channel is opened between the master device 2 and the slave device 1m.
Then, in the child device 1m, the ringer 139 is driven and an incoming call is announced. Therefore, the operation key 1 of the cordless handset 1m
Press the talk key out of 32. Then, a predetermined command signal CMND is transmitted and received between the child device 1 m and the parent device 2,
The transmitter circuit 210 and the receiver circuit 220 are the switch circuit 2
51 and the line interface 252 to connect to the line 3. Further, the ringer 139 of the child device 1m is not driven.

Therefore, after that, it is possible to talk with the other party by the handset 1m.

<< Set TAD >> When the slave unit 1 is in the standby mode, the answer key is pressed while pressing the registration key of the operation keys 132. Then the control code CTRL
A command signal CMND indicating that the answering machine recording mode is entered is formed, and this command signal CMND is transmitted to the master unit 2.

Then, in the master unit 2, when the command signal CMND is transmitted, the TAD flag TADF is set to "1", and then the control code CTRL is set to TAD.
Command signal indicating that the flag TADF has been set.
CMND is formed, this signal CMND is transmitted to the handset 1,
After that, the base unit 2 enters the standby mode.

Further, the slave unit 1 also enters the standby mode when it receives the acknowledged command signal CMND.

<< Reset of TAD >> When the slave unit 1 is in the standby mode, the home key is pressed while pressing the registration key of the operation keys 132. Then, the TAD flag TADF of the master device 2 is reset to "0" in the same manner as when the TAD flag TADF is set.

<< Incoming Call by TAD >> In this example,
The number of slave units 1 is 5, and the slave unit numbers “1” to “5” are given to each (n = 1 to 5).

Therefore, when the ICM is not desired to be heard by another person, the user of the handset 1 informs the necessary partner of the handset number n of the handset 1n in advance.

At the time of receiving a call, the other party presses a numeric key equal to the slave unit number n among the dial keys, and then the ICM.
, The ICM is recorded in the memory 264, and the recording is recorded so that it can be reproduced only by the slave unit 1n having the corresponding slave unit number n.

When the other party speaks the ICM without pressing the numeric keys of the dial keys at the time of receiving a call, the ICM is recorded in the memory 264, but the recording is recorded so that anyone can reproduce it. ..

That is, when a ringer signal is sent from the line 3 by an incoming call, as in the case of << normal incoming call >>
In the parent device 2, the processing of the CPU of the microcomputer 240 starts from step 401 of the routine 400, and in step 402, the TAD flag TADF is checked.
In this case, TADF = “1” and the answering machine is in the answering machine recording mode. Therefore, the process proceeds from step 402 to step 411. In this step 411, the TAD circuit 260 is connected to the line 3 through the switch circuit 251 and the line interface 252. Next, at step 412, the memory controller 267 is supplied with a command instructing to start the reproduction of the OGM.

Therefore, the reading of the OGM data from the memory 266 is started, and this data is transferred to the companding circuit 263.
Is expanded to the original voice data by the D / A converter 262 and then supplied to the D / A converter 262 for D / A conversion into an analog voice signal, and the voice signal is sent to the line 3 through the switch circuit 251 and the line interface 252.

Therefore, if the person who called is
The OGM, for example, "Yes," Suzuki ". I'm out of the office right now, so please tell me what you need."
Will be heard.

Then, while this OGM is being reproduced, the processing of the microcomputer 240 proceeds from step 412 to step 413. In this step 413, it is determined whether or not the other party has pressed the numeric key of the dial key, that is, the other party. When the dial key is pressed, a DTMF signal is sent, so it is checked whether the DTMF signal can be obtained. If not, the process proceeds to step 4
Proceed from 13 to 414. Then, in this step 414, it is checked whether or not the TAD circuit 260 has completed the reproduction of the OGM, and if not completed, the processing returns from step 414 to step 413.

Therefore, during the reproduction of the OGM, the presence or absence of the DTMF signal from the other party is monitored in step 413.

Then, when the other party of the telephone needs to inform the user of the slave unit 1n having the slave unit number n of the ICM, O
During the reproduction of GM, press the number key equal to the handset number n of the dial keys of the own telephone. For example, when it is necessary to inform the user of the slave unit 11 having the slave unit number 1 of the ICM, the "1" key of the dial key is pressed.

Then, the other party's telephone sends a DTMF signal indicating a numeric key, and this is step 413.
Detected by the microcomputer 240, and the processing of the microcomputer 240 is performed in step 41.
From 3 to step 421. And this step 4
21, the microcomputer 240 to the controller 267
Command is supplied to stop the reproduction of the OGM. Then, in step 422, the DTMF signal sent from the other party is decoded and converted into data designating the management area Kn. In the present case, since the other party is pressing the "1" key, this is converted into data designating the management area K1 of the slave 11 having the slave number "1".

Then, the process proceeds to step 423, in which the command is supplied from the microcomputer 240 to the controller 267 and the memory 26
Writing to the empty area 4 is permitted. In the case of FIGS. 5 and 6, since the start address of the empty area of the memory 264 is the address A10, writing from this address A10 is permitted.

Therefore, the caller is ICM (requirement)
The audio signal of the ICM is supplied to the TAD circuit 260 through the line interface 252 and the switch circuit 251, and the D / A converter 264 is further supplied.
Is converted into a digital signal by the companding circuit 2
The data is compressed by 67, and the compressed audio data is supplied to the memory 264, and in this case, it is written in order from the address A10.

During this time, the processing of the microcomputer 240 proceeds from step 423 to step 424. In this step 424, it is checked whether or not the other party is on-hook. If not, the processing repeats step 424. In this way, ICM
While being recorded on 64, the other party's on-hook is monitored at the time of this recording.

When the other party of the telephone ends the ICM and goes on hook, this is detected by step 424,
The process proceeds from step 424 to step 425. In this step 425, the command is supplied from the microcomputer 240 to the controller 267, the writing of the ICM to the memory 264 is completed, and then in step 426, the start address of writing at this time and the The end address is registered in the first blank space of the management area Kn of the table MTBL.

In this case, since the data is the ICM for the handset 11 and the data indicating the area K1 as the management area is obtained in step 422, if the memory 264 is in the states shown in FIGS. Addresses A10 and A11 are registered in the third registration field of the management area K1 of the table MTBL as the start address and the end address.

Then, the processing of the microcomputer 240 proceeds from step 426 to step 427, and this step 427
At, the end call processing is executed and the device enters the standby mode.

Then, in the same manner, when there is an incoming call, the ICMs from the other party are sequentially written in the memory 264, and at that time, if the child device 1 is designated, the writing of the ICM is started. The address and the end address are sequentially registered in the registration column of the management area Kn of the child device 1n designated by the other party in the table MTBL of the memory 265.

On the other hand, while the steps 413 and 414 are repeated, the OGM data is read from the memory 266 and the OGM is sent to the other party of the telephone. However, the OGM data is read to the end. Then, the controller 267 notifies the microcomputer 240 of this.

Then, the end of this OGM is detected in step 414, and the process proceeds from step 414 to step 415, in which the data designating the common management area K0 is formed, and thereafter the process is completed. Go to step 423.

Therefore, the ICM from the other party is stored in the memory 2
The write start address and end address are written in the 64 empty areas, and the management area K0
Will be registered in the first blank field.

In this way, if the number key for designating the slave unit 1 is pressed among the dial keys while the other party of the telephone is hearing the OGM, the recorded area of the ICM in the memory 264 will be the slave unit 1n. Is registered in the management area Kn corresponding to, and the recorded area of the ICM in the memory 264 is the common management area K unless the numeric key is pressed.
Registered at 0.

<< Reproduction of ICM >> When the slave unit 1n is in the standby mode, the reproduction key of the operation keys 132 is pressed.

Then, the master unit 2 executes the routine 500, and only the ICM destined for itself can be heard in the slave unit 1n. That is, when the play key of the operation keys 132 is pressed, the control code CTRL forms a command signal CMND indicating that it is a request for playing the ICM and the identification code HSID of the cordless handset 1n. It is transmitted to base unit 2. As a result, in the parent device 2, the process of the microcomputer 240 is the step 501 of the routine 500.
Starting from step 2, and then in step 502, the main unit 2
Then, a predetermined command signal CMND is accessed between the child device 1n that has requested the reproduction of the ICM, and a channel is opened between the parent device 2 and the child device 1n.

Then, in step 503, i = 1
, Then in step 504, the table
It is checked whether the start address and the end address are registered in the i-th registration field of the common management area K0 of MTBL. Then, in the case of FIG. 6, since it is registered, the processing is from step 504 to step 505.
Then, in step 505, the start address and end address of the i-th registration field are extracted, and in step 506, the command is supplied from the microcomputer 240 to the controller 267 and the ICM of the ICM written in the memory 264 is read. Of the data, the data ICM0-i of the ICM of the area addressed by the start address and the end address of the i-th registration column are sequentially read.

Then, the read ICM data
The ICM0-i is expanded to the original data by the companding circuit 263 and then supplied to the D / A converter 265 to be converted into an analog signal. This signal is supplied to the transmitting circuit 210 through the switch circuit 251 and the slave unit 1n. Sent to.

When the reading of the data ICM0-i is completed, the process of the microcomputer 240 proceeds from step 506 to step 507, the variable i is incremented by "1", and then at step 508, is i> 10? If i> 10 is not satisfied, the process returns from step 508 to step 504.

Therefore, if the start address and the end address are registered in the registration field of the common management area K0,
From the area of the memory 264 addressed by the start address and the end address, the data ICM0 of the ICM
-i are read in order, and the audio signal of the ICM is the slave unit 1n.
Sent to.

Then, of the ICMs written in the memory 261, when all the ICM data of the area addressed by the start address and end address registered in the management area K0 of the table MTBL is read from the memory 261. That is, when there is no next start address and end address in the registration area of the management area K0 in step 504, or when i> 10 in step 508, the process proceeds from step 504 or 508 to step 513.

Then, in step 513, i = 1
, Then in step 514, the table
Of the management areas K1 to K5 of MTBL, the management area Kn corresponding to the cordless handset code HSID sent from the cordless handset 1n,
That is, it is checked whether or not the start address and the end address are registered in the i-th registration field of the management area Kn corresponding to the child device 1n.

Then, the slave unit 1n is the slave unit 11, and FIG.
In the case of, since it is registered, the process proceeds from step 514 to step 515, and this step 515
In step 516, the start address and end address of the i-th registration field are fetched. Next, in step 516, the command is supplied from the microcomputer 240 to the controller 267, and the i-th of the ICM data written in the memory 264 is read. ICM data ICMn-i in the area addressed by the start and end addresses in the registration field
Are sequentially read.

Then, the read data ICMn-i is expanded to original data by the companding circuit 263, and then D
The signal is supplied to the / A converter 265 and converted into an analog signal, and this signal is supplied to the transmission circuit 210 through the switch circuit 251 and transmitted to the child device 1n.

When the reading of the data ICMn-i is completed, the processing of the microcomputer 240 proceeds from step 516 to step 517, the variable i is incremented by "1", and then at step 518, is i> 10? If i> 10 is not satisfied, the process returns from step 518 to step 514.

Therefore, if the start address and the end address are registered in the registration column of the management area Kn, the data ICMn-i of the ICM is read in order from the area of the memory 264 addressed by the start address and the end address. Then, the voice signal of the ICM is transmitted to the child device 1n.

Then, of the ICMs written in the memory 261, when the ICM data of the areas addressed by the start address and end address registered in the management area Kn of the table MTBL are all read from the memory 261. That is, when there is no next start address and end address in the registration area of the management area K0 in step 514, or when i> 10 in step 518, the process proceeds from step 514 or 508 to step 519.

Then, in this step 519, the call end processing is executed and the apparatus enters the standby mode.

Therefore, in the handset 1n, among the ICMs in the memory 261, ICMs managed by the common management area K0 are sequentially output as voice from the handset 121, and then managed by the management area Kn of the handset 1n. The ICMs being output are sequentially output as voice. That is, in the child device 1n, the ICMs managed by the common management area K0 among the ICMs in the memory 261 can be sequentially heard, and then the ICMs managed by the management area Kn of the child device 1n can be heard. You can

<< Clear ICM >> I from the memory 264
When the CM is read out and is output as a voice from the slave unit 1n, if the "7" key of the dial keys 131 is pressed, the master unit 2 is notified of this, and the table MTBL indicates the ICM of this time. The start and end addresses addressing the area are erased and the ICM is also erased from memory 264.

Since blank columns and empty areas are created in the table MTBL and the memory 261 by erasing them, garbage collection is performed so as to eliminate these blank columns and empty areas.

<< Recording of message >> This is from the slave unit 1s to another slave unit 1d (s, d = 1 to 5 regardless of the outside line).
This is a function of recording a message or the like in s ≠ d), which is executed by the routine 600.

That is, when performing this message recording,
When the handset 1s is in the standby mode, the operation key 13
Press the recording key of 2.

Then, the control code CTRL forms a command signal CMND indicating that it is a message recording request and the identification code HSID of the slave unit 1s, and this command signal CMND is transmitted to the master unit 2. As a result, in the parent device 2, the processing of the microcomputer 240 starts from step 601 of the routine 600, and then in step 602, the parent device 2
Then, a predetermined command signal CMND is accessed between the slave unit 1s requesting the message recording and the master unit 2 and the slave unit 1s.
The channel is opened between and.

Subsequently, the processing of the microcomputer 240 proceeds from step 602 to step 603, and this step 60
3, it is checked whether or not the numeric key of the dial key 131 of the handset 1s has been pressed. This check is executed depending on whether or not the DTMF signal is obtained because the DTMF signal is sent from the handset 1s when the dial key is pressed. When the numeric key of the dial key 131 of the child device 1s is not pressed, the process repeats step 603, and the dial key 1 of the child device 1s is repeated.
There is a waiting for input from 31. Therefore, of the dial keys 131 of the cordless handset 1s, the cordless handset 1d of the person who wants to leave a message.
Press the key with the number equal to the cordless handset number d. For example, if the person who wants to leave a message is the user of the handset 11, the “1” key of the dial key 131 is pressed.

Then, this is detected in step 603, the processing of the microcomputer 240 proceeds from step 603 to step 604, and thereafter, step 4 of the routine 400.
The same process as that of 22 onward is executed, and a message to the child device 1s is recorded in the memory 264.

That is, in step 604, the DTMF signal sent from the child device 1s is decoded and converted into data designating the management area Kd. In the present case, since the "1" key is pressed, this is converted into data designating the management area K1 of the slave 11 having the slave number "1".

Then, the process proceeds to step 605, in which the command is supplied from the microcomputer 240 to the controller 267 and the memory 26
Writing to the empty area 4 is permitted. In the case of FIGS. 5 and 6, since the start address of the empty area of the memory 264 is the address A10, writing from this address A10 is permitted.

Therefore, when the user of the slave unit 1s gives a message, the voice signal is sent from the slave unit 1s to the master unit 2,
Further, through the switch circuit 251, the TAD circuit 260
Is supplied to the memory 264, and in this case, the data is sequentially written from the address A10 of the memory 264.

During this time, the processing of the microcomputer 240 proceeds from step 605 to step 606. In this step 606, it is checked whether or not the recording key of the operation keys 132 of the child device 1s has been pressed again, and it has been pressed. If not, the process repeats step 606. In this way, the message is recorded in the memory 264, and at the time of this recording, the recording key of the cordless handset 1s is monitored.

Since the user of the slave unit 1s has finished recording the message, when the recording key of the slave unit 1s is pressed, this is notified to the master unit 2 by the command signal CMND from the slave unit 1s.

Then, this is detected in step 606, and the processing of the microcomputer 240 proceeds from step 606 to step 607. In this step 607, the command is supplied from the microcomputer 240 to the controller 267 and the writing of the message to the memory 264 is completed. Then, in step 608, the write start address and end address at this time are registered in the first blank space of the management area Kd of the table MTBL.

In the present case, since the data is the message to the handset 11 and the data indicating the area K1 as the management area is obtained in step 604, if the memory 264 is in the states shown in FIGS. Addresses A10 and A11 are registered as the start address and the end address in the third registration field of the management area K1 of the table MTBL.

Then, the processing of the microcomputer 240 proceeds from step 608 to step 609, and this step 609
At, the end call processing is executed and the device enters the standby mode.

The message recorded by this message recording can be reproduced and heard by the above-mentioned "reproduction of ICM".

When recording a message, when the "0" key of the dial key 131 is pressed and "0" is input as the slave unit of the message destination, the message is recorded in the memory 264 and the recording The start address and end address are registered in the management area K0.

Therefore, in this case, anyone can hear the message.

<< Call Recording >> This is a function of recording a call during a call between the handset 1 and an outside line. That is, when the recording key of the operation keys of the cordless handset 1d is pressed during a call with the outside line, the microcomputer 240 knows that the cordless handset 1d is connected to the outside line in this case. The call at that time is recorded in the memory 264 without entering the "recording" mode. When the recording key is pressed again, the recording of the call is stopped and the recording start address and end address are registered in the management area Kd of the memory 265.

Therefore, the call can be recorded and
The recorded call can be reproduced and heard by the above-mentioned << reproduction of ICM >>.

<Others> In the above description, the management areas K1 to K5 and K0 are independently prepared and the start address and end address of each ICM are registered.
Regardless of whether the slave unit code HSID (slave unit number), the start address and the end address are registered as a set in one management area in order, and the slave unit 1 requests reproduction of the ICM, the request is made. It is also possible to retrieve a set of a corresponding child device code HSID, a start address and an end address from the child device code HSID of the obtained child device 1, retrieve the start address and the end address from the search result, and reproduce the ICM. it can.

[0093]

According to the present invention, the base unit 2 is provided with the TAD circuit 260, and when the other party of the telephone presses the number key corresponding to the handset unit 1n among the number keys of the dial keys, the TAD circuit 260 is operated. When the ICM is recorded in the memory 264 of the circuit 260 and the address indicating the recording area of this ICM is registered in the management area Kn corresponding to the pressed numeric key, and the slave unit 1n performs a predetermined key operation, Memory 2
Of the 64, the ICM recorded here is reproduced from the management area Kn corresponding to the slave unit 1n on which the key operation is performed, and the reproduced ICM is transferred from the master unit 2 to the slave unit 1n on which the key operation is performed. I will send it. Therefore, according to the present invention, for example, the ICM addressed to oneself is not heard by another person, and when the ICM required for oneself is taken out, the ICM addressed to another person is not heard.
The privacy of each person who uses the child device 1 can be protected.

Moreover, for that purpose, the I
It suffices to add a routine for managing the area to the microcomputer 240 when recording and reproducing the CM.

[Brief description of drawings]

FIG. 1 is a system diagram showing an example of the present invention.

FIG. 2 is a flowchart showing an example of an operation of ICM during recording.

FIG. 3 is a flowchart showing an example of an operation during reproduction of ICM.

FIG. 4 is a flowchart showing an example of a message recording operation.

FIG. 5 is a diagram showing an example of a memory map.

FIG. 6 is a diagram showing an example of a management table.

FIG. 7 is a diagram showing an example of a signal format.

[Explanation of symbols]

 1, 11-15 Child device 2 Parent device 3 Telephone line 110, 210 Transmission circuit 120, 220 Reception circuit 140, 240 Microcomputer 251 Crosspoint switch circuit 252 Line interface 260 TAD circuit 261 A / D converter 262 D / A converter 264 ~ 266 memory 400 ICM recording routine 500 ICM playback routine 600 message recording routine

[Procedure amendment]

[Submission date] June 22, 1992

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 1

[Correction method] Change

[Correction content]

Claims (1)

[Claims] 1. A cordless telephone having a base unit connected to a line and a handset connected to the base unit through a channel by radio waves during a call, wherein the base unit is a partner of the telephone. The recording / reproducing means records the message of the message and reproduces the recorded message of the message when requested, and the recording / reproducing means records and reproduces the message. It has a table for managing the above messages recorded on a recording medium, and when the other party of the telephone presses the numeric key corresponding to the above-mentioned cordless handset among the numeric keys of the dial keys in the absence mode, the above recording is performed. A message of the message from the other party of the telephone is recorded on the recording medium of the reproducing circuit, and a data indicating the area in which the message of the message is recorded is recorded on the recording medium. Is registered in the table, and when the slave unit performs a predetermined key operation, the data corresponding to the slave unit that has performed the key operation is retrieved from the table, and the data is retrieved from the recording medium. From the area indicated by the data, the message of the message recorded in this area is played back, and this played message is sent from the base unit through the channel to the handset that performed the key operation. Made cordless phone.