JPH05183496A - Radio telephone set - Google Patents

Abstract

PURPOSE:To receive incoming calls from both cordless and celullar phones in case the slave unit is in a cordless speech area. CONSTITUTION:A celullar reception section 105 capable of receiving signals from a cellular base station is added to a master unit. When the slave unit is in a cordless communications mode, the master unit monitors the incoming signals and position register signals from the cellular base station and informs them to the slave unit in the cordless communications using a cordless transmission section 103 when detecting the signals to the slave unit. Thus, the slave unit can respond to the incoming calls from both cordless and cellular phones and to the position registration.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radiotelephone device which can be used as a cordless telephone within the coverage area of a cordless telephone base unit and as a cellular telephone within the coverage area of a cellular telephone.

[0002]

2. Description of the Related Art In recent years, a cellular telephone device which can make a telephone call anytime and anywhere and a cordless telephone using a radio have been used instead of a cord between a telephone body and a handset.

A conventional radio telephone device will be described below with reference to the drawings. FIG. 2 is a block diagram showing a basic configuration of a conventional base unit of a wireless telephone device. In FIG. 2, 101 is a telephone line, 102 is a telephone line connection unit for connecting with a telephone line to form an interface, and 103 is Cordless transmission unit for transmitting to the slave unit, 104 is a cordless receiving unit for receiving from the slave unit, 106 is an antenna, 1
Reference numeral 07 is a voice circuit, 208 is a data processing unit, 109 is a microphone, 110 is a speaker, and 211 is a control unit.

FIG. 3 is a block diagram showing the basic structure of a conventional wireless telephone device slave unit that communicates cordlessly with the master unit and cellularly with a wireless base station.
Is a cordless transmitting unit for transmitting to the base unit, 302 is a cordless receiving unit for receiving from the base unit, 303 is a cellular transmitting unit for transmitting to the cellular base station, 304 is a cellular receiving unit for receiving from the cellular base station. A receiving unit, 305 is a transmission sharing unit, 306 is a reception sharing unit, 307 is a switching unit, 30
8 is an antenna, 309 is a voice circuit, 310 is a data processing unit, 311 is a wireless communication detection unit for detecting whether or not the cordless telephone is within a usable range by exchanging an ID code with the base unit, Reference numeral 312 is a microphone, 313 is a speaker, and 314 is a control unit. Also, the transmission sharing unit 3
05, the reception common unit 306 is a common unit for cordless and cellular transmission and reception in order to reduce the size and weight of the slave unit. In the cordless communication mode, the switch 307 is the transmission common unit 305. And cordless transmitter 3
01, the reception common unit 306 and the cordless reception unit 302 are connected to each other, and in the cellular communication mode, the switch 307 includes the transmission common unit 305, the cellular transmission unit 303, and the reception common unit 30.
6 and the cellular reception unit 304 are connected, and cordless communication and cellular communication cannot be performed at the same time.

With respect to the conventional radiotelephone device including the above components, the relationship and operation of each component will be described below. First, the ID code exchange in the cordless communication mode will be described. In the cordless communication mode, the control unit 314 of the slave unit controls the switching unit 307 to connect the cordless transmission unit 301 and the transmission common unit 305, and the cordless reception unit 302 and the reception common unit 306, and become a standby state from the master unit. .. Under the control of the control unit 211, the master unit causes the data processing unit 208 to generate ID code information for identifying a slave unit to which the master unit belongs and a slave unit to which another master unit belongs, and the cordless transmission unit 103, It radiates in the air through the antenna 106. When the cordless handset receives a radio wave including ID code information via the antenna 308, the cordless receiver 302, the reception sharing unit 306, and the data processor 310, the received electric field strength is measured by the wireless communication detector 311, and the cordless telephone is used. Of the wireless communication is notified to the control unit 314, and a response signal for the ID code information is sent back to the master unit, thereby confirming that the master unit and the slave unit are within the cordless communication range. Confirm each other.

Next, the operation of receiving a call from the telephone line 101 in the cordless communication mode will be described. The telephone line connection unit 102 of the base unit notifies the control unit 211 when an incoming call is detected from the telephone line 101, and the control unit 211 causes the data processing unit 208, the cordless transmission unit 103, and the antenna 10 to operate.
An incoming call signal is transmitted to the child device via 6. The slave unit includes an antenna 308, a cordless receiver 302, and a shared reception unit 30.
6, the control unit 314 detects the incoming call via the data processing unit 310, and then the microphone 312, the voice circuit 309, the transmission sharing unit 305, the cordless transmission unit 301, and the antenna 30.
8, antenna 106, cordless receiver 104, voice circuit 107, telephone line connection unit 102, telephone line 101, telephone line 101, telephone line connection unit 102,
Voice circuit 107, cordless transmitter 103, antenna 1
A two-way conversation is performed with the caller of the telephone line via 06, the antenna 308, the cordless receiver 302, the reception common unit 306, the voice circuit 309, and the speaker 313.

Next, the ID code exchange with a cellular base station (not shown) in the cellular communication mode will be described.
In the cellular communication mode, the control unit 314 of the child device controls the switching unit 307 to control the cellular transmission unit 303 and the transmission sharing unit 305.
Also, the cellular reception unit 302 and the reception common unit 306 are connected, and a standby state from the cellular base station is set. The cellular base station periodically or randomly transmits position registration information in order to detect whether or not the child device is within the communicable range of the cellular base station, and the child device has an antenna 308 and a cellular receiver. 304, reception common unit 306, data processing unit 31
When a radio wave including the cellular ID code information is received via 0, a response signal to the cellular ID code information is sent back to the cellular base station, and the cellular base station receives the response signal so that the slave unit is within the communicable range. Exists in.

Next, the incoming call operation of the cellular in the cellular communication mode will be described. The slave unit includes an antenna 308, a cellular reception unit 304, a reception sharing unit 306, and a data processing unit 3.
When the incoming call signal from the cellular base station is received via 10, the control unit 314 is notified, and then the microphone 312, the voice circuit 309, the transmission sharing unit 305, the cellular transmission unit 303,
Via the antenna 308, the antenna 308, the cellular reception unit 304, the reception sharing unit 306, the voice circuit 309,
A two-way conversation is carried out with the caller of the cellular telephone via the speaker 313.

[0009]

However, in the above-mentioned conventional radiotelephone device, there are a cordless communication mode and a cellular communication mode, and when an incoming call is received from the cellular base station in the cordless communication mode, the cellular base station An incoming signal from the station is received by the cellular receiving unit 3 via the antenna 308.
04, but the switch 307 is the cordless receiver 3
02 and the reception sharing unit 306 are connected, and the cellular reception unit 304 and the reception sharing unit 306 are not connected,
The control unit 314 has a problem that it cannot detect the incoming call from the cellular base station and cannot respond to the incoming call from the cellular base station in the cordless communication mode.

In the cordless communication mode,
For the same reason when the cellular base station transmits a location registration signal, the control unit 314 cannot detect that there is a location registration signal from the cellular base station and does not return a response signal to the signal, so that the cellular base station is not returned. Also has a problem that it judges that the slave is not within the communicable range and does not notify the slave of an incoming call from a third party.

The transmission common unit 305 and the reception common unit 30
If 6 is installed separately without being shared between cordless and cellular, both cordless and cellular can wait for incoming calls, but there is a problem that the handset becomes large and heavy, and power consumption increases. To do.

An object of the present invention is to solve the above problems and to provide a radiotelephone device capable of both cordless and cellular incoming call waiting and location registration operations.

[0013]

In order to achieve the above-mentioned object, the present invention is to add a cellular receiving unit capable of receiving an incoming call signal and a position registration signal from a cellular base station to a base unit.

[0014]

According to the present invention, when the slave unit is in the cordless communication mode, the master unit monitors the incoming call signal and the location registration signal from the cellular base station, and the incoming call from the cellular base station to the slave unit is achieved. If so, the cordless communication notifies the cordless handset to enable the cordless handset to respond to both cordless and cellular incoming calls, and there is a location registration signal from the cellular base station to the cordless handset. In this case, the cordless communication is used to notify the cordless handset, and the cordless handset transmits a response to the location registration signal to the cellular base station by means of cellular communication, thereby confirming that the cordless handset exists within the communicable range of the cellular base station. Can notify.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing the basic configuration of the base unit of the wireless telephone device of the present invention. In FIG. 1, 101 is a telephone line, and 102 is a telephone line connection for connecting with a telephone line to form an interface. Section, 103 is a cordless transmitting section for transmitting to a slave, 104 is a cordless receiving section for receiving from a slave, 105 is a cellular receiving section for receiving from a cellular base station, 106 is an antenna, 107 is a voice circuit. , 108 is a data processing unit, 109 is a microphone, 1
Reference numeral 10 is a speaker, 111 is a control unit, and 112 is a storage unit.

With respect to the radiotelephone device including the above components, the relationship and operation of each component will be described below. First, the ID code exchange in the cordless communication mode will be described. In the cordless communication mode, the control unit 314 of the child device controls the switching unit 307 to control the cordless transmission unit 3
01, transmission sharing unit 305, and cordless reception unit 302
And the reception common unit 306 are connected, and a standby state from the master unit is established. The base unit controls the data processing unit 1 under the control of the control unit 111.
At 08, ID code information for identifying a slave unit to which the master unit belongs and a slave unit to which another master unit belongs is generated and radiated into the air through the cordless transmitter 103 and the antenna 106. The child device is an antenna 308 and a cordless receiver 30.
2, via the reception sharing unit 306 and the data processing unit 310
When the radio wave including the D code information is received, the received electric field strength is measured by the wireless communication detection unit 311, and the control unit 314 determines whether or not the wireless communication of the cordless telephone is possible.
By sending a response signal for the ID code information back to the master unit, the master unit and the slave unit mutually confirm that they are within the cordless communication range.

Next, the operation of receiving a call from the telephone line in the cordless communication mode will be described. The telephone line connection unit 102 of the parent device notifies the control unit 111 when an incoming call is detected from the telephone line 101, and the control unit 111 notifies the data processing unit 1
08, the cordless transmitter 103, and the antenna 106 to transmit an incoming call signal to the slave. The slave unit has an antenna 30.
8, the control unit 314 detects an incoming call via the cordless receiving unit 302, the reception sharing unit 306, and the data processing unit 310,
After that, the microphone 312, the voice circuit 309, the transmission common unit 3
05, cordless transmitter 301, antenna 308, antenna 106, cordless receiver 104, voice circuit 10
7, through the telephone line connection unit 102 and the telephone line 101,
Also, a telephone line 101, a telephone line connection unit 102, a voice circuit 107, a cordless transmission unit 103, an antenna 106,
Through the antenna 308, the cordless reception unit 302, the reception common unit 306, the voice circuit 309, and the speaker 313, a two-way conversation is performed with the caller of the telephone line.

Next, the ID code exchange with the cellular base station in the cellular communication mode will be described. In the cellular communication mode, the control unit 314 of the slave unit controls the switching unit 307 to connect the cellular transmission unit 303 and the transmission sharing unit 305, and the cellular reception unit 304 and the reception sharing unit 306, and establish a standby state from the cellular base station. Become. The cellular base station periodically or randomly transmits position registration information in order to detect whether or not the child device is within the communicable range of the cellular base station, and the child device has an antenna 308 and a cellular receiver. Thirty
4. When receiving a radio wave including cellular ID code information via the reception sharing unit 306 and the data processing unit 310, the cellular base station sends back a response signal to the cellular ID code information, and the cellular base station receives the response signal. By doing so, it is confirmed that the slave unit is within the communicable range. In addition, when the cordless handset is in a cordless communication area, a telephone number and an ID number for identifying each cordless handset relating to the cellular system in the cordless communication mode in advance to the parent device before entering the cellular communication mode. In advance,
The parent device stores the information in the storage unit 112.

Next, the incoming call operation of the cellular in the cellular communication mode will be described. The slave unit includes an antenna 308, a cellular reception unit 304, a reception sharing unit 306, and a data processing unit 3.
When the incoming call signal from the cellular base station is received via 10, the control unit 314 is notified, and then the microphone 312, the voice circuit 309, the transmission sharing unit 305, the cellular transmission unit 303,
Via the antenna 308, the antenna 308, the cellular reception unit 304, the reception sharing unit 306, the voice circuit 309,
A two-way conversation is carried out with the caller of the cellular telephone via the speaker 313.

Next, the operation of receiving a call from the cellular base station in the cordless communication mode will be described. An incoming signal from the cellular base station reaches the cellular reception unit 304 via the antenna 308, but the switch 307 connects the cordless reception unit 302 and the reception common unit 306, and the cellular reception unit 304 and the reception common unit. Since it is not connected to 306, the control unit 314 cannot directly detect that there is an incoming call from the cellular base station. However, when there is an incoming call from the cellular base station in the cordless communication mode, the control unit 111 of the parent device receives the incoming call signal from the cellular base station by the antenna 106, the cellular reception unit 105, and the data processing unit 10.
When the incoming call signal is received through 8 and the incoming call signal is received, the telephone number or ID number of the incoming call signal and the telephone number of the slave unit stored in the storage unit 112 are received. And the ID number are compared, and if they are the same, a cellular call is received to notify the slave unit of an incoming signal from the cellular base station via the data processing unit 108, the cordless transmission unit 103, and the antenna 106. Send a notification signal. Remote unit control unit 314
Receives the cellular incoming call notification signal via the antenna 308, the cordless receiving unit 302, and the reception sharing unit 306, and notifies the user of the child device of the incoming call from the cellular base station by sound or display. Or the control unit 314
Switches the switching unit 307 to a connection in a cellular standby state,
Incoming call operation in the normal cellular communication mode is started. The control unit 111 of the parent device stops the transmission of the incoming call notification signal when the cellular incoming call signal from the cellular base station disappears or when the confirmation signal for the cellular incoming call notification signal is received from the child device. ..

Next, the operation of the position registration signal from the cellular base station in the cordless communication mode will be described. The location registration signal from the cellular base station cannot directly detect that there is an incoming call from the cellular base station, as in the case of the incoming signal from the cellular base station. However, the control unit 111 of the master unit receives the position registration signal from the cellular base station via the antenna 106, the cellular reception unit 105, and the data processing unit 108, and detects the position registration signal from the cellular base station to the slave unit. When the location registration signal is received, the telephone number or ID number in the location registration signal and the telephone number or ID number of the slave unit stored in the storage unit 112 are received as in the case of the incoming call signal. If they are the same, the data processing unit 108, the cordless transmission unit 103, and the antenna 1 are compared.
A cellular location registration notification signal is transmitted via 06 to notify the mobile device that there is a location registration signal from the cellular base station. The control unit 314 of the child device receives the cellular position registration notification signal via the antenna 308, the cordless reception unit 302, the reception sharing unit 306, and the data processing unit 310, controls the switching unit 307, and controls the cellular transmission unit 303. The connection is switched to the transmission sharing unit 305, the cellular reception unit 304, and the reception sharing unit 306, and the position registration operation with the cellular base station in the cellular communication mode is started. That is, the antenna 308, the cellular reception unit 304, the reception sharing unit 306, the data processing unit 3
The cellular position registration signal from the cellular base station is received via 10 and a response signal to the signal is sent to the data processing unit 3
10, the transmission sharing unit 305, the cellular transmission unit 303, and the antenna 308 to send back to the cellular base station. Control unit 31
4 controls the switching unit 307 again when the location registration operation with the cellular base station is completed, and the cordless transmission unit 3
01 and the transmission common unit 305, and the connection between the cordless reception unit 302 and the reception common unit 306 is switched to start the operation in the normal cordless communication mode.

As described above, according to the radiotelephone apparatus of the embodiment of the present invention, the base station is provided with the cellular receiving section capable of receiving the incoming call signal and the position registration signal from the cellular base station, and thus the cordless system is provided. It can answer both incoming calls of the cellular.

[0024]

As is apparent from the above embodiments, according to the present invention, when the cordless handset is in the cordless communication area, the cordless standby state is set by setting the cordless standby state. It is possible to provide a radiotelephone device that can respond to a call, and it is also possible to respond to a location registration signal from a cellular base station. Further, the slave unit can be realized with the same volume and weight as the conventional one.

[Brief description of drawings]

FIG. 1 is a block diagram showing a basic configuration of a base unit of a wireless telephone device according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a basic configuration of a conventional wireless telephone device master unit.

FIG. 3 is a block diagram showing a basic configuration of a conventional wireless telephone device slave unit.

[Explanation of symbols]

 103 Cordless transmitter 104 Cordless receiver 105 Cellular receiver 301 Cordless transmitter 302 Cordless receiver 303 Cellular transmitter 304 Cellular receiver

Claims (3)

[Claims] 1. A base unit connected to a telephone line, and wirelessly linked to the base unit using a first frequency for transmission to the base unit and a second frequency for reception from the base unit. In a wireless telephone device including a slave, the slave is a cordless transmitter that transmits the first frequency to the master, and a cordless receiver that receives the second frequency from the master, The cellular base station comprises a cellular transmission unit for transmitting at a third frequency and a cellular reception unit for receiving a fourth frequency from the cellular base station, and the master unit transmits at the second frequency to the slave unit. A cordless transmitter, a cordless receiver that receives the first frequency from the slave, and a cellular receiver that receives a fourth frequency from a cellular base station, and the slave waits at the second frequency. When it is in the state of The fourth frequency transmitted by the la base station is monitored, when there is an incoming call signal from the cellular base station to the handset belonging to the base unit, and a position registration signal, using the second frequency, An incoming call from the cellular base station to the slave,
A wireless telephone device adapted to notify a position registration signal. 2. The slave unit uses the third frequency and the fourth frequency when the location registration signal from the cellular base station is notified from the master unit using the second frequency. The wireless telephone device according to claim 1, wherein the position registration operation with the cellular base station is performed. 3. A standby state for the second frequency after the location registration operation with the cellular base station is completed.
The described wireless telephone device.