JP3092678B2 - Cordless telephone - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cordless telephone for wirelessly communicating between a master unit and a slave unit, and more particularly to a cordless telephone having an answering machine function.

[0002]

2. Description of the Related Art In recent years, cordless telephones have become widespread in the market. This cordless telephone is shown in FIG.
As shown in (b), the mobile phone is separated into a base unit (base set) connected to the telephone line and a handset (cordless handset) not connected to the phone line, and wirelessly connects between the base unit and the handset. That communicate. As described above, since the cordless telephone wirelessly communicates between the parent device and the child device, the installation location of the child device depends on whether or not wiring with the parent device is possible as in a conventional external telephone. There is an advantage that the slave unit can be installed anywhere as long as communication with the master unit is possible. Further, the slave unit is designed to be portable and has an advantage that it can be used anywhere.

Further, this kind of cordless telephone includes:
Some master phones have an answering machine function. In this case, recording / reproduction of a response message, reproduction of a business message, setting of an answering mode for functioning as an answering machine, and the like can also be performed by operation from the slave unit. If there is a remote control function using a DTMF signal from a telephone line, the above-mentioned answering machine function operation from the slave unit can be similarly performed from an external telephone.

[0004]

However, the above-mentioned conventional cordless telephone has the following problems.

[0005] That is, in order to hear the message recorded in the master unit from the slave unit, it is necessary to call the master unit and perform communication with the master unit, and it takes time.

Further, in a situation where communication between the master unit and the slave unit is difficult, it takes more time to listen to the business message, it is difficult to hear the message, and in the worst case, communication becomes impossible. However, the operator cannot quickly hear the business message, and lacks convenience.

The present invention has been made in view of the above-mentioned conventional problems, and
The message stored in the internal memory of the
It can be read directly from the slave unit without sending it out.
Another object of the present invention is to provide a cordless telephone capable of recording a business message for a long time .

[0008]

In order to achieve the above object, in a cordless telephone according to the present invention,
A base unit connected to a telephone line, and wirelessly communicating with the base unit
A cordless telephone provided with a handset,
The message sent via the line is sent to the
If the memory capacity is full,
And the storage capacity of the memory in the base unit is satisfied.
Switching method to store in the memory in the slave unit
A step is provided.

[0009] In a cordless telephone according to the second aspect of the present invention, in the cordless telephone according to claim 1, before
The parent device responds when an incoming call is received from the telephone line.
Sending means for sending a message to the telephone line;
When receiving the incoming call from the telephone line,
Request means for requesting that the message be prepared for storage
Are provided.

[0010]

[0011]

[0012]

The cordless telephone according to the first aspect of the present invention.
According to the business message supplied via telephone line
If the storage capacity of the memory in the slave unit is
To the memory inside the master unit, and
When it is done, it is stored in the memory in the child device.

The cordless telephone according to the second aspect of the present invention.
According to the machine, the parent machine receives an incoming call from the telephone line
A response message to the telephone line
Asks to prepare to memorize the message
You.

[0014]

[0015]

[0016]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing a schematic configuration of a slave unit showing an embodiment of a cordless telephone according to the present invention, and FIG.
FIG. 3 is a block diagram showing a base unit of the cordless telephone according to the embodiment.

The cordless telephone of this embodiment has a master unit and a slave unit, and has an answering machine function. In FIG. 2, the base unit of the cordless telephone has a CPU 11 for controlling the operation of the whole base unit. This CPU 11
An abnormality handling unit 11a, an abnormality notification unit 11b, and a switching storage control unit 11c are provided. Further, the CPU 11 has a memory 12 in which programs and the like necessary for the operation of the CPU 11 are stored, an operation unit 13 for inputting necessary data such as a telephone number, a display unit 14, an audio signal processing circuit 15 An answering machine unit 16 having an answering machine memory 16a and a dialer 17 are connected.

Further, a speech network 18 is connected to the output side of the dialer 17, and the speech network 18 is connected to the telephone line side and the audio signal processing circuit 15. Further, a tone ringer 19 is commonly connected to output sides of the dialer 17 and the speech network 18, and the tone ringer 19 is connected to a speaker 20.

On the other hand, the voice signal processing circuit 15 is connected to a transmitting unit 21 and a receiving unit 22 of the handset.
The speaker 20 and the transmission unit 23 are connected. The transmitting unit 23 is a circuit for transmitting a signal from the master unit to the slave unit. Further, the transmission unit 23, a transmission / reception switch (DUPLEX)
ER) 24, a receiving unit 25, and a modem 26 are connected in a ring, of which the receiving unit 25 is connected to the audio signal processing circuit 15, the modem 26 is connected to the CPU 11, and the transmission / reception switch 24 is connected to the antenna 27. It is connected. Here, the transmission / reception switch 24 is for separating transmission and reception signals, and the reception unit 25 is a circuit for receiving a signal transmitted from the slave unit. Also, modem 2
Reference numeral 6 has a function of performing analog / digital conversion or digital / analog conversion.

Next, a schematic configuration of the slave unit will be described.

Referring to FIG. 1, the cordless telephone handset includes a CPU 31 for controlling the operation of the whole handset. The CPU 31 includes a recording control unit 31a and a read / reproduction control unit 31b. Further, the CPU 31
Has an operation unit 33 for inputting necessary data such as a telephone number, etc.
The display unit 34 and the audio signal processing circuit 35 are connected. Further, an answering machine memory 36 is connected between the CPU 31 and the audio signal processing circuit 35.

On the other hand, to the audio signal processing circuit 35, a transmitter 37 and a receiver 38 are connected, and a transmitter 39 for transmitting a signal from the slave to the master is connected.
In addition, the transmission unit 39 and the transmission / reception switch (DUPLEXE)
R), a receiving unit 41, and a modem 42 are ring-connected. In addition, the modem 42 is connected to the CPU 31 and the transmission / reception switch 40 is connected to the antenna 43. Here, the transmission / reception switch 40 and the modem 42 have the same function as the master unit, and the receiving unit 41 is a circuit for receiving a signal transmitted from the master unit.

3 (a) and 3 (b) show the appearance of the cordless telephone constructed as described above. FIG. 3 (a) shows the master unit and FIG. 3 (b) shows the slave unit. . In the figure, reference numeral 51 denotes a slave unit recording mode setting button provided on the operation unit 13 of the master unit, and 52 denotes an LE provided on the display unit 14 of the master unit.
D (Light Emitting Diode) and 53 are slave unit recording mode setting buttons provided on the operation unit 33 of the slave unit, and 54 is an LED (Light Emitting Diode) provided on the display unit 34 of the slave unit.

Next, the answering machine operation (A) of the present embodiment,
(B) will be described. (A) Operation for Recording Message to Main Unit First, in order to function as an answering machine, the main unit is set to the answering machine mode. At this time, if the slave unit recording mode setting buttons 51 and 53 are not pressed, the answering machine memory 1 of the master unit
A mode for recording a business message at 6a is set. When an incoming call is received from an external operator via the telephone line in this state, the CPU 11 activates the answering machine 16 and sends the response message stored in the answering machine 16 to the telephone line. Send to the external operator. When the transmission of the response message is completed, the recording of the business message starts, and the business message issued by the external operator is recorded in the answering machine memory 16a. Such an operation is repeated every time there is an incoming call. (B) Operation for Recording Message to Child Unit When the parent unit is set to the answering machine mode and the child unit recording mode setting button 51 is pressed on the parent unit side, the CPU 1 of the parent unit
Reference numeral 1 denotes a signal from the operation unit 13 which detects the
A signal is sent to the display unit 14 so that
52 is turned on. Further, the CPU 11 communicates with the slave unit, and sends an LED 5 of the slave unit to the CPU 31 of the slave unit.
Request that 4 be turned on. Handset C receiving this request
The PU 31 sends a signal for turning on the LED 54 to the display unit 34 to turn on the LED 54.

When the master unit is set to the answering machine mode, if the slave unit recording mode setting button 53 is pressed on the slave unit side, the case where the setting button 51 is pressed on the master unit side and the operation The flow is reversed. That is, the CPU 3 of the slave unit
When 1 detects that the setting button 53 has been pressed by a signal from the operation unit 33, a signal for turning on the LED 54 is transmitted to the display unit 34, and the LED 54 is turned on. At the same time, it communicates with the master unit and requests the CPU 11 of the master unit to turn on the LED 52 of the master unit. Upon receiving this request, the CPU 11 of the master unit displays the LE
A signal for turning on D52 is sent, and the LED 52 is turned on.

As described above, when either the setting button 51 of the master unit or the setting button 53 of the slave unit is pressed in the answering machine mode of the master unit, the LEs of the master unit and the slave unit are depressed.
Both D52 and D54 light up and enter the slave unit recording mode.

In the slave unit recording mode, when an incoming call is received from an external operator via a telephone line, the master unit CP
U11 activates the answering machine 16 and sends out the response message stored in the answering machine 16 to the telephone line and sends it to the external operator. At the same time, communication with the slave unit is performed, and a request is made to the CPU 31 of the slave unit to prepare for recording a message in the answering machine memory 36 of the slave unit. Handset side CP that received this request
U31 keeps the answering machine memory 36 in a recordable state. When the transmission of the response message is completed, the master CPU 11 sends the message to the slave, and the storage controller 31a of the CPU 31 records the message in the answering memory 36. Such an operation is repeated every time there is an incoming call.

In the slave unit recording mode, if it is determined by the malfunction countermeasure unit 11a of the master unit that the communication state between the master unit and the slave unit is not good, the message is transmitted regardless of the mode. The answering machine memory 16a of the base unit
Then, the LEDs 52 and 54 are blinked by the abnormality notifying means to notify the outside of the abnormality. When the message recording memory 36 of the slave unit is full at the time of recording the message, the switching storage control unit 11c switches to the answering machine memory 16a of the master unit. When the answering machine memory 16a is full, the answering machine memory 36 of the slave unit is used.

In order to listen to the message recorded in the answering machine memory 36 of the slave unit from the slave unit in this way, the user presses a button for reproducing the message provided on the operation unit 33. As a result, the read / reproduction control means 31b of the CPU 31 reads the message from the answering machine memory 36 and sends it to the audio signal processing circuit 35. The message is reproduced into a voice signal by the voice signal processing circuit 35 and then transmitted to the receiver 38. Thus, the operator can hear the message from the receiver 38.

This embodiment has the following advantages. (1) The message can be read directly from the slave without calling the master, and the message can be heard in a short time. Thereby, convenience is improved. (2) If it is determined in the slave unit recording mode that the communication state between the master unit and the slave unit is not good, the message is recorded in the answering memory 16a of the master unit. The emitted message can be kept from being recorded, and the abnormality can be notified to the outside by blinking the LEDs 52 and 54. (3) If the answering machine memory 36 of the slave unit is full when recording the message, the answering machine memory 1 of the master unit
Switch to 6a. Conversely, the answering machine memory 16 on the base unit side
a is full, the answering machine memory 36 on the handset side
, It is possible to record a business message for a long time.

[0032]

As described above, according to the first aspect,
According to the cordless telephone according to the invention, the telephone line is connected.
And a slave unit that wirelessly communicates with the master unit.
In a cordless telephone, supply via the telephone line
The message to be used is stored in the memory of the slave unit.
If the amount is satisfied, store it in the memory in the master unit,
If the storage capacity of the memory in the master unit is
Provision of switching means for storing in the memory in the slave unit
The message stored in the memory of the slave unit
Directly from the child device without calling the parent device
And the storage capacity of the memory in the slave unit is
In this case, store the message in the memory
Therefore, it is possible to record the message for a long time.

The cordless telephone according to the second aspect of the present invention.
The cordless telephone according to claim 1,
The base unit receives an incoming call from the telephone line.
Sending means for sending a response message to the telephone line
At the time of the incoming call from the telephone line,
To prepare to memorize message
Response message by telephone
While sending to the line, a message to the slave unit
Can be prepared to memorize the
The caller should immediately hear the answer message
Becomes possible.

[0034]

[0035]

[Brief description of the drawings]

FIG. 1 is a block diagram showing a schematic configuration of a slave unit showing an embodiment of a cordless telephone according to the present invention.

FIG. 2 is a block diagram showing a base unit of the cordless telephone according to the embodiment.

FIG. 3 is an external view of the cordless telephone of the embodiment.

FIG. 4 is an external view of a conventional cordless telephone.

[Explanation of symbols]

 11a abnormality handling means 11b abnormality notifying means 11c switching storage control means 16a answering memory 31a recording control means 31b read / playback control means 36 answering memory

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04M 1/65-1/658 H04M 1/725

Claims (2)

(57) [Claims] A master unit connected to a telephone line, and the master unit
And the cordless phone having a handset for wireless communication, the business message is supplied through the telephone line, before
If the storage capacity of the memory in the handset is full, the parent
The storage capacity of the memory in the parent device is stored in the memory in the device.
If the amount is satisfied, store it in the memory in the slave unit
A cordless telephone comprising switching means . Wherein said base unit, when there is an incoming call from the telephone line, the response message
Use and sending means for sending to the telephone line, when the call from the telephone line, to the handset
Requesting that the message be prepared to be stored
2. The cordless telephone according to claim 1, further comprising: