JP3418584B2 - Wireless telephone equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital portable radiotelephone device having both a cordless telephone function and a mobile telephone function, and in particular, it is constructed so that an absence recording function can be shared between a master unit and a slave unit. Is.

[0002]

2. Description of the Related Art In recent years, digital portable radiotelephone devices have been made which can independently use a cordless telephone handset as a mobile telephone.

In this conventional digital portable radio telephone device, signals are multiplexed and transmitted by a TDMA (Time Division Multiple Access) system. As shown in FIG. 5, the slave unit in this device includes a receiving unit 11 that demodulates a received wireless signal, and a demultiplexing unit 13 that demultiplexes a received signal multiplexed by the TDMA method into a signal before multiplexing. , A multiplexing unit 14 that multiplexes a transmission signal by a TDMA method, a transmission unit 12 that modulates the multiplexed signal into a radio signal, and collects data of demultiplexed slots to restore or transmit the original signal. A slot switching unit 15 for dividing a signal into data for each slot, a voice processing unit 16 for inputting / outputting voice to / from the slot switching unit, a microphone unit 17 for inputting voice,
A speaker unit 18 for outputting a voice, an answering / recording unit 19 for recording a voice, a control unit 20 for controlling the entire apparatus, and an operation unit 21 for an operator to input an operation signal are provided.

Further, as shown in FIG. 6, the master unit of the digital portable radiotelephone device has a reception unit 31, a transmission unit 32, a demultiplexing unit 33, and a multiplexing unit 34, as in the slave unit (FIG. 5). , Slot switching unit 35, audio processing unit 36, microphone unit 37, speaker unit
38, an answering / recording section 39, a control section 40 and an operation section 41, a telephone line network interface section 44 for interfacing with a telephone line network, and a transmission / reception path to be used,
A switching unit 42 for switching the connection to either the slot switching unit 35 or the telephone network interface unit 44.

As shown in FIG. 4, this slave unit can communicate with the base station when it is in the electric field range 1 of the base station, and can be used as a mobile phone having the base station as a relay base. You can Also, when the electric field range 2 of the base unit of the cordless telephone is entered, it is possible to connect to the public line through the base unit. Further, as shown in FIG. 4, when the slave unit is within the electric field range of both the base station and the master unit, both of them can be used.

When an incoming call request signal is transmitted from the base station to the slave unit while the slave unit is located in the electric field range 1 of the base station, the receiving unit 11 of the slave unit receives it and multiplexes it. Separator 13
And the slot switching unit 15 restores the incoming request signal from the data of the corresponding slot and outputs it to the control unit 20.
Sounds a ring tone to notify the user of the handset that an incoming call has arrived.

Next, the control unit 20 outputs an incoming call response signal corresponding to the incoming request signal to the slot switching unit 15, and this signal is multiplexed by the multiplexing unit 14 by the corresponding slot among the plurality of slots. Then, the signal is transmitted from the transmitter 12 as a radio signal.

When the user of the cordless handset responds to an incoming call, when the incoming call response button of the operation unit 21 is pressed, a call command is output from the control unit 20 to the slot switching unit 15, and this signal is multiplexed. The section 14 multiplexes the corresponding slots among the plurality of slots, and the transmission section 12 transmits them as radio signals.

Next, when the voice data is received, the control unit
20 activates the audio processing unit 16, and the audio data sent via the receiving unit 11, the demultiplexing unit 13, and the slot switching unit 15 is
The audio processing unit 16 performs digital / analog conversion and outputs from the speaker unit 18. Further, the audio signal input from the microphone unit 17 is analog-to-digital converted by the audio processing unit 16 and transmitted via the slot switching unit 15, the multiplexing unit 14 and the transmitting unit 12.

When the user of the slave unit presses the answering machine recording button of the operation unit 21, in response to an incoming call, a call command is output from the control unit 20 to the slot switching unit 15, the multiplexing unit 14 and the transmission unit. It is transmitted to the other party via the unit 12. At the same time, the absence recording section 19 starts its operation under the control of the control section 20.

Next, when the voice data is received, the control unit
20 activates the audio processing unit 16, and the audio data sent via the receiving unit 11, the demultiplexing unit 13, and the slot switching unit 15 is
The voice processing unit 16 performs digital / analog conversion, outputs to the absence recording unit 19, and is recorded by the absence recording unit 19.

Further, in the master unit of the digital portable radio telephone device, the incoming call request signal received through the telephone line is transmitted through the telephone line network interface unit 44 and the switching unit 42 to the control unit 40.
Sent to. When the voice recording function is set in advance by the operation unit 41 of the base unit, the control unit 40 that has detected the incoming call request signal causes the telephone line network interface unit 44, the switching unit 42, the voice processing unit 36, and the voice recording unit. 39 to connect the audio processing unit 36
To start. The input voice data is digital-to-analog converted in the voice processing unit 36, and then output to the absence recording unit 39 and recorded. If the absence recording function is not set, the control unit 40 sounds a ringing tone.

[0013]

However, in the conventional digital portable radio telephone, when the handset is located within the electric field range of both the base station and the base unit, when the handset rings. , The handset itself does not know whether the call is being made through the base station or the base unit. Therefore, when trying to record an answering machine for the telephone, there is a circumstance that the slave machine has no choice but to record the answering machine.

For these reasons, the slave unit of the conventional digital portable radiotelephone device needs to be configured to have a long answering machine recordable time, which makes it difficult to miniaturize the slave unit.

The present invention solves the above-mentioned conventional problems, and downsizing the slave unit by configuring the slave unit to record and record only the telephone call from the base station to the slave unit. It is an object of the present invention to provide a digital mobile phone device that enables the above.

[0016] Therefore, in the present invention, a base unit connected to a public line, the can wirelessly communicate with both the base unit and the base station, the public line via the base unit or the base station consists of a slave unit for connection, slave machine, a first transmission section and a first receiver for communicating with said base unit and said base station, the first reception unit receives
An incoming call request signal is sent from either the base unit or the base station.
An incoming call request signal determining means for determining whether or not it has come,
A first recording means for recording a message from the other party,
The incoming call request signal is determined by the incoming call request signal determination means.
If it is determined that it is from the master unit,
When outputting a control signal for activating the second recording means,
The incoming call request signal is determined by the incoming call request signal determining means.
Comprising a but when it is determined to be from the base station, first control means for performing control to record a message from the previous SL other party first reception unit receives the first recording means Then, the master unit comes from a second transmitting unit and a second receiving unit that communicate with the slave unit, a telephone line network interface unit that communicates with a public line, and a telephone line network interface unit. Second recording means for recording a message from the other party, and the second receiving section for the second recording
When a control signal for activating the means is received, the second
Second recording means for controlling to activate the recording means .

Further, according to the present invention, the base station of the radio telephone service network, the master unit connected to the public line, and both the master unit and the base station can perform wireless communication by the TDMA method. A master unit or a slave unit that connects to a public line via the base station, the slave unit including a first transmitter and a first transmitter for communicating with the master unit and the base station. Receiving unit, voice input unit, and the first receiving unit
Demultiplexing unit for separating the signal received by the
Audio signal input to the unit is multiplexed by the TDMA method.
And the incoming call request signal received by the first receiving unit.
It comes from either the base unit or the base station.
An incoming call request signal determining means for determining whether
The incoming call request signal from the master unit is detected by the signal judging means.
If it is determined that the second recording means of the base unit
A control signal for prompting the activation of the first signal via the multiplexer.
And a second control unit for performing communication with the slave unit, and communication with the public line. The telephone network interface section to perform and the communication received by the second receiving section.
And the demultiplexing unit for demultiplexing the signals by the TDMA method.
A multiplexing unit, a second recording unit for recording a message from the other party coming from the telephone network interface unit, and the second recording unit in which the second receiving unit is multiplexed.
When the control signal for activating the stage is received, the demultiplexing is performed.
The second recording means separated as a control signal via a section.
And a second control means for controlling to activate .

Therefore, when a telephone call is made to the cordless handset through the base station, recording can be performed by the absence recording means of the cordless handset.

[0019]

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION In the digital portable radio telephone apparatus according to the embodiment of the present invention, in the slave unit, as shown in FIG. 1, the incoming request signal is transmitted from the master unit or from the base station. Incoming call request signal determination unit 23 for determining whether the received signal
And an answering machine control signal sending section 22 for outputting a control signal for activating the absence recording function of the master unit when the incoming call request signal is transmitted from the master unit. Other configurations are the same as those of the conventional slave unit (FIG. 5).

As shown in FIG. 2, the master unit also includes an answering machine control signal input unit 43 for controlling the answering machine recording unit 39 in response to a signal for controlling the answering machine recording function transmitted from the slave unit. Other configurations are the same as those of the conventional parent device (FIG. 6).

The operation of this digital portable radio telephone device will be described.

When the cordless handset of FIG. 1 receives the incoming call request signal, the demultiplexing unit 13 and the slot switching unit 15 are activated,
Restore the incoming request signal from the data of the corresponding slot,
It outputs to the control unit 20 and the incoming call request signal determination unit 23. When the control unit 20 reads the call command in the incoming call request signal,
A ring tone sounds to notify the user of the cordless handset that an incoming call has arrived. An example of the structure of the incoming call request signal is shown in FIG.

The control unit 20 then outputs an incoming call response signal corresponding to the incoming call request signal to the slot switching unit 15, and the multiplexing unit 14 multiplexes this signal into the corresponding slot among the plurality of slots. And is modulated into a wireless signal by the transmission unit 12 and transmitted.

When the user of the cordless handset presses the answering machine recording button from the operation unit 21, the incoming call request signal determination unit 23, which receives the instruction from the control unit 20, reads additional information from the incoming call request signal.

The incoming call request signal determination unit 23 checks whether or not the additional information includes the telephone number information of the called party, and if there is telephone number information, determines that the incoming request is from the base station. , And outputs the result to the control unit 20. Control unit
In response to an incoming call, 20 is a slot switching unit 15 for transmitting a call command.
And this signal is transmitted to the other party via the multiplexer 14 and the transmitter 12. At the same time, the absence recording unit 19 is the control unit.
Start operation with control of 20.

Next, when the voice data is received, the control unit
20 activates the audio processing unit 16, and the audio data sent via the receiving unit 11, the demultiplexing unit 13, and the slot switching unit 15 is
The voice processing unit 16 performs digital / analog conversion, outputs to the absence recording unit 19, and is recorded by the absence recording unit 19.

On the other hand, when there is no telephone number information in the additional information, the incoming call request signal determination unit 23 determines that the incoming call request is from the master unit, and outputs the result to the control unit 20.
The control unit 20 activates the answering machine control signal sending unit 22, and the answering machine control signal sending unit 22 outputs the answering machine control signal of the master unit to the slot switching unit 15.

This signal is multiplexed in a vacant slot among a plurality of slots in the multiplexing unit 14, and is modulated into a radio signal in the transmission unit 12 for transmission.

In the master unit shown in FIG. 2, the receiving unit 31 receives the answering machine control signal transmitted from the slave unit, the demultiplexing unit 33 separates the data of the corresponding slot, and the slot switching unit 35 returns the original control signal. And output to the switching unit 42. The switching unit 42,
The answering machine control signal is output to the answering machine control signal input section 43, and the answering machine recording section 43 is activated. The control unit 40 connects the telephone network interface unit 44, the switching unit 42, the voice processing unit 36, and the absence recording unit 39, and activates the voice processing unit 36.
As a result, the voice data input through the telephone line is
After being digital / analog converted by the voice processing unit 36, it is sent to the absence recording unit 39 for recording.

As described above, in the digital portable radiotelephone apparatus according to the embodiment of the present invention, when performing the absence recording, it is automatically determined whether the incoming call request is from the base station or the master unit. , When there is an incoming call request from the base station, recording is performed by the absence recording section 19 of the slave unit, and when there is an incoming call request from the master unit, the absence recording section 39 of the master unit is activated, and Recording is done.

Therefore, when the user of the child device operates the absence function of the child device when the ringing tone sounds (or in advance), the user of the child device can call the child device when a call is made through the base station, or the parent device. When a phone call is made through the machine, it will be automatically recorded on the base unit.

In this way, by leaving the absence recording of the telephone call made through the parent device to the parent device, the recording capacity of the answer recording unit of the child device can be reduced, and the child device can be miniaturized.

[0034]

As is apparent from the above description of the embodiments, in the digital portable radiotelephone device of the present invention, the absence recording is shared between the slave unit and the master unit. The recording capacity can be reduced, and thus the slave unit can be downsized accordingly.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a child device in a digital portable wireless telephone device according to an embodiment of the present invention,

FIG. 2 is a block diagram showing a configuration of a master unit in the digital portable wireless telephone device according to the embodiment of the present invention;

FIG. 3 is a diagram showing a structure of an incoming call request signal used in the portable wireless telephone device;

FIG. 4 is a diagram showing electric field ranges of a base station and a base unit and positions of a handset unit;

FIG. 5 is a block diagram showing the configuration of a slave unit of a conventional digital portable radio telephone device.

FIG. 6 is a block diagram showing a configuration of a base unit of a conventional digital portable wireless telephone device.

[Explanation of symbols] 1 Base station electric field range 2 Electric field range of base unit 11, 31 Receiver 12, 32 Transmitter 13, 33 demultiplexer 14, 34 Multiplexer 15, 35 slot switching section 16, 36 Voice processing unit 17, 37 Microphone section 18, 38 Speaker section 19, 39 absence recording section 20, 40 Control unit 21, 41 Operation part 22 Answering machine control signal transmitter 23 Incoming request signal determination unit 42 Switching unit 43 Answering machine control signal input section 44 Telephone line network interface section

─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) H04M 1/64-1/658 H04M 1/725

Claims (2)

(57) [Claims] 4 child and parent device 1. A connected to a public line, the can wirelessly communicate with both the base unit and the base station, a connection to a public line via the base unit or the base station consists of a machine, the child machine, a first transmission section and a first receiver for communicating with said base unit and said base station, said first incoming request signal received by the receiver is The parent machine
Or from which of the base stations it came from
The incoming call request signal is determined by the incoming call request signal determining means, the first recording means for recording a message from the other party, and the incoming call request signal determining means.
If it is determined that it is from the master unit,
When outputting a control signal for activating the second recording means,
The incoming call request signal is determined by the incoming call request signal determining means.
When it is determined that the message is from the base station, the first receiving unit includes a first control unit that controls the first recording unit to record the message from the destination received by the first receiving unit. Then, the master unit comes from a second transmission unit and a second reception unit that communicate with the slave unit, a telephone line network interface unit that communicates with a public line, and a telephone line network interface unit. A second recording means for recording a message from the other party, and a control for the second receiving section to prompt activation of the second recording means.
When the control signal is received, the second recording means is activated.
A radiotelephone device comprising: a second control unit for controlling as described above . 2. A base station of a wireless telephone service network, a master unit connected to a public line, and wireless communication by a TDMA method to both the master unit and the base station are possible. A slave unit that connects to a public line via a base station, wherein the slave unit includes a first transmitter and a first receiver for communicating with the master and the base station, A voice input section and a demultiplexing section for separating the signal received by the first receiving section.
And a voice signal input to the voice input unit by the TDMA method.
The multiplexing unit for multiplexing and the incoming request signal received by the first receiving unit are transmitted to the master unit.
Or from which of the base stations it came from
The incoming call request signal determining means and the incoming call request signal determining means
If it is determined that it is from the master unit,
A control signal for activating the second recording means is sent to the multiplexing section.
A first transmitting control via the first transmitting unit via
The master unit includes a second transmitting unit and a second receiving unit that communicate with the slave unit, a telephone line network interface unit that communicates with a public line, and the second unit . Demultiplexer that separates the signal received by the receiver
A multiplexing section for multiplexing in the TDMA system, a second recording means for recording a message from the other party coming from the telephone network interface section , and the second section in which the second receiving section is multiplexed. 2 recording means
When receiving a control signal that prompts activation, the demultiplexer is activated.
Separated as a control signal via the second recording means.
A radiotelephone device comprising: a second control means for controlling to operate.