JPH04315326A - Radiotelephony system - Google Patents

Abstract

PURPOSE:To provide a radiotelephony system in which both the cordless tele phone set and a radiotelephone service network such as a cellar telephone set are both available and which is switched automatically to a cordless tele phone set side not requiring a talking charge for the arrival of an incoming call within a radio wavel arrival range of the cordless telephone set and to the radio telephone service network side when the incoming call is not within the range. CONSTITUTION:A coordles radio section 7 capable of making radio communication with a cordless telephone set connected to a public telephone communication network makes ID exchange, e.g. periodically with the master set and when a detection section 9 detects that the telephone set enters a range available for radio communication with the cordless telephone master set through the reception of ID, the radio section 7 sends an automatic transfer registration requesting signal to an automatic transfer registration section 1 and a control section 10 receiving the signal makes a transmission request to the radio telephone service network to transfer an incoming call to the radio telephone service network to the master set of the cordless telephone set.

Description

[Detailed description of the invention]

0001

[Field of Industrial Application] The present invention relates to a radio telephone device,
More specifically, the present invention relates to a radio telephone device that has the functions of both a cordless telephone and a portable (or automobile) radio telephone such as a cellular telephone.

0002

2. Description of the Related Art Hereinafter, a conventional radio telephone device will be explained with reference to the drawings. FIG. 2 is a block diagram of a conventional wireless telephone device, in which 3 is an operating section, 4 is a receiving section, 5 is a transmitting section, 6 is an antenna, 7 is a cordless radio section that performs wireless communication for a cordless telephone, and 8 is a A cellular radio section 9 performs wireless communication with a wireless telephone service network such as a cellular telephone, and a detection section 9 exchanges ID codes with the base unit of the cordless telephone and detects that the cordless telephone is within a range where wireless communication is possible. 12 is a display section that displays the results detected by the detection section 9; 10 is a control section that supplies power to and controls each of the above-mentioned sections; and 13 is a main body of the apparatus that includes each of the above-mentioned blocks.

It consists of the above-mentioned components, and its operation will be explained below with reference to the schematic diagram of the telephone communication network in FIG.
Wireless telephone service networks have a wide coverage area, and the usable area of cordless telephones occupies only a small portion of the coverage area. Therefore, the user of this wireless telephone device usually uses a wireless telephone service network, and when receiving a call, the cellular radio section 8 communicates the incoming call information via the antenna 6, and the control section 10 and the operation section 3 transmit the incoming call information. Processes the call and initiates a conversation with the caller.

In order to show the line connection state at this time in FIG. 3, consider the case where a call is made from the general subscriber telephone A30 to the mobile phone/cordless telephone 27. , passes through the solid line part of the mobile telephone exchange 20, and reaches the base station C.
23 to a cellular telephone/cordless telephone 27.

[0005] As mentioned above, the wireless service network can be used even within the usable range of a cordless telephone, but even if a call is received, a call fee is required. On the other hand, cordless telephones that use the public telephone communication network do not require charges for incoming calls. Therefore, by exchanging ID codes with the base unit 29 of the cordless phone in the detection unit 9, it is detected that cordless use is possible, and the result is displayed on the display unit 12. The user can confirm the above display and use the transfer service within the wireless telephone service network within the usable range of the cordless telephone.
A cordless telephone can be used via the antenna 6 and the cordless wireless section 7, and call charges can be eliminated.

The line connection state at this time is shown in FIG. 3. From the general subscriber telephone A30, it passes through the solid line part of the public telephone communication network 28, passes through the broken line part within the transfer means 21 of the mobile telephone exchange 20, and then again. It passes through the broken line part of the public telephone communication network 28 and is connected to the cellular telephone/cordless telephone 27 via the cordless telephone base unit 29.

[0007]

[Problems to be Solved by the Invention] However, with the above-mentioned conventional wireless telephone device, even when a call is received within the usable range of the cordless telephone, the user uses a forwarding service in advance and transfers the call to the cordless telephone. There was a problem in that the cordless telephone could not receive incoming calls unless the switch was made.

The present invention solves the above problems and automatically transfers incoming calls within the usable range of the cordless telephone to the cordless telephone side, and automatically transfers incoming calls outside the usable range of the cordless telephone to the wireless telephone service network side. An object of the present invention is to provide a switching radio telephone device.

[0009]

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a first wireless communication function capable of wirelessly communicating with a base unit of a cordless telephone connected to a public telephone communication network, and a cellular telephone, etc. A second wireless communication function capable of wireless communication with a base station in a wireless telephone service network, and an ID code exchange with the base unit of the cordless telephone, etc., within a range where the first wireless communication is possible. a detection unit that detects that
Automatically requesting transfer of an incoming call to a wireless telephone service network side to a cordless telephone side by using a transfer service within a wireless telephone service network when the detection unit detects that the first wireless communication is within a range where the first wireless communication is possible. The configuration includes a transfer registration section and an automatic transfer cancellation section that cancels the transfer request when it cannot be detected that the first wireless communication is within a possible range.

0010

[Operation] With the above configuration, the present invention utilizes a transfer service within a wireless telephone service network to automatically handle incoming calls within the usable range of the cordless telephone, which is the first wireless communication. Calls can be received using a cordless phone that does not require call charges, and in areas where a cordless phone cannot be used, calls can be automatically received using the cellular telephone network, which is the second wireless communication.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A radio telephone device according to an embodiment of the present invention will be described below with reference to the drawings. In the block diagram of FIG. 1, 1 is an automatic transfer registration unit that requests transfer of an incoming call to the wireless telephone service network to the cordless phone using a transfer service within the wireless telephone service network, and 2 cancels the transfer request. The automatic transfer cancellation unit includes an operating unit 3, a receiving unit 4, a transmitting unit 5, an antenna 6, a cordless wireless unit 7 which is a first wireless communication function, a cellular wireless unit 8 which is a second wireless communication function, and a detection unit. The unit 9 and the control unit 10 are the same as those of the conventional apparatus, and 11 is a main body of the apparatus including blocks 1 to 10.

[0012] The operation of the radio telephone device comprising the above-mentioned components will be explained below. As shown in the schematic diagram of a telephone communication network in FIG. 3, wireless telephone service networks have a wide range of coverage, and the usable range of cordless telephones occupies only a small portion of the range. Therefore, users of wireless telephone equipment usually use the wireless telephone service network, and when receiving a call, transmit the incoming call information to the antenna.
The cellular radio unit 8 performs wireless communication via the cellular radio unit 8, and the control unit 10 and the operation unit 3 process the call to start a conversation with the caller.

On the other hand, the device main body 11 detects whether or not the cordless telephone is within the usable range. To do this, the main body 11 of the device exchanges ID codes with the base unit 29 of the cordless telephone. To do this, first, the control unit 10 of the main body of the device, which is a slave unit, periodically sends an ID code request to the base unit from the antenna 6 via the cordless wireless unit 7, and the base unit responds to this request. transmits an ID code and receives it via the antenna 6 and the cordless wireless section 7;
The detection unit 9 detects that the cordless telephone is within the usable range. Alternatively, the base unit transmits the ID code continuously or periodically at short intervals, and the slave unit receives the ID code continuously or periodically at a longer cycle than the base unit. It is also possible to set the timing so that the base unit makes a call during reception. When the detection unit 9 detects that the user has entered the usable range of the cordless telephone, the detection unit 9 outputs an automatic transfer registration request signal to the automatic transfer registration unit 1, and receives the automatic transfer registration request signal. The automatic transfer registration unit 1 controls the control unit 10 so that an incoming call to the wireless telephone service network is transferred to the cordless telephone side.
, makes a transfer request to the wireless telephone service network via the cellular radio section 8 and antenna 6.

In this way, incoming calls to the wireless telephone service network are transferred to the transfer means 21 of the mobile telephone exchange 20 without the user having to switch to a cordless telephone in advance.
The call is automatically forwarded to the cordless phone, eliminating the need for call charges when the call arrives. On the other hand, when the detection unit 9 detects that the user has gone out of the range where the cordless phone can be used, the detection unit 9 outputs an automatic transfer cancellation request signal to the automatic transfer cancellation unit 2, and receives the automatic transfer cancellation request signal. The automatic transfer cancellation unit 2 controls the control unit 10 and the cellular radio unit 8 to cancel the transfer of incoming calls to the wireless telephone service network to the cordless phone.
and requests the wireless telephone service network via the antenna 6,
A normal wireless call occurs within the transfer means 21 of the mobile telephone exchange 20.

[0015] In this way, incoming calls to the wireless telephone service network are automatically sent to the base unit of the cordless telephone or to the wireless telephone depending on whether the user is within or outside the usable range of the cordless telephone. Transferred to the telephone service network side.

[0016] As shown in the example, the operation of each part is controlled by the control unit 1.
0 may be used for comprehensive control, or the functions of the control section 10 may be distributed to various sections, and each section may be configured to control other sections.

[0017]

[Effects of the Invention] As explained above, according to the present invention,
a detection unit that detects whether a cordless call, which is a first wireless communication function, is possible; an automatic transfer registration unit that requests transfer of an incoming call to a wireless telephone service network to a cordless telephone;
By providing an automatic forwarding cancellation unit that cancels this forwarding request, the forwarding service within the wireless telephone service network is used to automatically handle incoming calls within the range where the cordless phone can be used. To provide an easy-to-use and economical radio telephone device that can receive calls using a cordless telephone that does not require a charge, and can automatically receive calls over a cellular telephone network in a range where a cordless telephone cannot be used.

[Brief explanation of drawings]

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

[Fig. 2] Block diagram showing the configuration of a conventional wireless telephone device

[
Figure 3: Schematic diagram of telephone communication network

[Explanation of symbols]

1 Automatic transfer registration section 2 Automatic transfer cancellation section 6 Antenna 7 Cordless radio section (first wireless communication function) 8
Cellular radio section (second radio communication function) 9 Detection section 10 Control section 11 Device main body

Claims (3)

[Claims] Claim 1: A first wireless communication function capable of wireless communication with a base unit of a cordless telephone connected to a public telephone communication network, and a first wireless communication function capable of wireless communication with a base station in a wireless telephone service network such as a cellular telephone. a detection unit that detects that the first wireless communication is within a range where the first wireless communication is possible by exchanging an ID code with the base unit of the cordless telephone; an automatic transfer registration unit that uses a transfer service within the wireless telephone service network to request transfer of an incoming call to the wireless telephone service network to the cordless telephone side upon detecting that the wireless communication is within a range where wireless communication is possible; an automatic transfer cancellation unit that cancels the transfer request when it cannot be detected that the wireless communication is within a range where wireless communication is possible. 2. The wireless communication system according to claim 1, wherein the ID code is exchanged by periodically requesting the base unit of the cordless telephone to transmit the ID code, and the base unit transmitting the ID code in response to the request. Telephone device. [Claim 3] The ID code is exchanged in such a manner that the base unit of the cordless telephone transmits the ID code continuously or at short intervals, and receives the ID code continuously or at a longer cycle than the base unit. The radiotelephone device described.