JPH03179936A - Radio telephone system - Google Patents

Abstract

PURPOSE:To accurately perform the setting of a telephone number corresponding to a service area by registering plural telephone numbers and the identification numbers of the service areas corresponding to those telephone numbers on a portable storage means, and selecting a desired telephone number by performing comparison with the identification number sent from a base station. CONSTITUTION:An automobile telephone system is comprised of an antenna 200, radio equipment 300, a telephone set 400, and an IC card 500. The identification number stored in a RAM 335 at an automobile telephone system side shows the service area where the automobile telephone system is located at present. The automobile telephone system extracts the identification number from system information and stores it in the RAM 335. Also, when the service area to which the automobile telephone system belongs is changed, update is performed at every case. A user connects the IC card 500 to the connection part 460 of the automobile telephone system, and selects the desired telephone number by comparing the plural telephone numbers at every service area registered on the IC card 500 in advance, the identification numbers of the service areas corresponding to those telephone numbers, and the identification number stored in the RAM 335.

Description

[Detailed description of the invention] [Purpose of the invention] (Industrial application field) The present invention relates to a wireless telephone device such as a car telephone device.

(Prior Art) Since car telephone devices and the like are used even in areas outside the registered service area, a different billing system from that of ordinary landline telephones is applied.

For example, AMPS (Advanced M
In the communication service system for car phone equipment called “obilePhone 5service”,
+10) A state called “IE” and “ROAM”
There is a distinction between the state called ``state'' and the billing method.

The state called "II OM F" means that the phone number of the mobile phone device receives service within the registered service area, and the state called "ROAM" means that the service is received in the service area outside the registered service area. means to receive.

Then, only when a car telephone device in the "II OM E" state makes a call to a telephone within "+10 M E", charges will be made like a "local call", and in other cases, the call will be billed as a "Chinese/foreign call". Charges will be made as follows.

By the way, AMPS allows multiple telephone numbers to be registered in one car phone device. Therefore, by registering telephone numbers in different service areas so that calls can be made between 110 MB" as much as possible, users can reduce call charges.

However, in this case, it is required to accurately set the telephone number according to the service area.

Therefore, the inventors of the present invention have proposed that ``the telephone number of each service area and the corresponding identification number of each service area should be
The mobile fa-talk device itself selects a telephone number corresponding to the service area based on the identification number of the service area, which is stored in advance and is included in the system information sent from the base station. ” is proposed.

However, when such technology is used, although it has the effect of accurately setting a telephone number according to the service area, it has caused the following technical problems.

In other words, in order to respond to users who wish to register a large number of telephone numbers, the memory required to store telephone numbers for each service area and the corresponding identification numbers of each service area requires a memory of the level normally used. The capacity is insufficient, and a considerably large storage capacity is required. This poses the problem of affecting product cost.

(Problems to be Solved by the Invention) As described above, in the conventional car phone device, when registering multiple telephone numbers in different service areas and accurately setting the telephone numbers according to the service areas, it is necessary to register each telephone number for each service area. It is necessary for the mobile telephone device itself to store the telephone number of the telephone number and the corresponding identification number of each service area.

For this reason, when responding to a large number of users who wish to register, a considerably large storage capacity is required as a memory for storing the above-mentioned numbers, which poses the problem of affecting product costs.

SUMMARY OF THE INVENTION Therefore, the present invention provides a wireless communication system that can register multiple telephone numbers in different service areas, accurately set telephone numbers according to the service areas, and realize multiple registrations at low cost. Provision of telephone equipment 1]
The target is

[Structure of the Invention] (Means for Solving Department Problems) The present invention provides a telephone number for making and receiving calls. 7 telephone number storage means for storing, identification number storage means for storing identification numbers related to service areas transmitted from the earth, and a plurality of registered telephone numbers and each of these telephone numbers, which are removable from the main device. General storage means for storing identification numbers related to service areas corresponding to the numbers; and identification number extraction for sequentially extracting one identification number from a plurality of identification numbers stored by the general storage means according to a predetermined rule. a display means for displaying one identification number extracted by the identification number extraction means and an identification number stored by the identification number storage means; When,
a) an input means for performing a predetermined input; and when a predetermined input is made by the input means, the telephone number storage means and telephone number updating means for updating the telephone number stored in the telephone number.

Further, a telephone number storage means for storing a telephone number for making and receiving calls, an identification number storage means for storing an identification number related to a service area sent from a base station, and an attachment/detachment port for connecting the main unit to the main unit. ) A universal storage means for storing a plurality of registered telephone numbers and identification numbers related to service areas corresponding to each of these telephone numbers; and an identification number that matches the identification number stored by the identification number storage means. an identification number extraction means for extracting from a plurality of identification numbers stored by the general storage means, and when a matching identification number is extracted by the identification number extraction means, a telephone corresponding to the extracted identification number; and telephone number updating means for updating the telephone number stored in the telephone number storage means according to the telephone number.

(Function) In the present invention, a plurality of telephone numbers and corresponding service area identification numbers are registered in advance in the universal storage means, and a desired telephone number is determined by comparing with the identification number sent from the base station. is selected. Therefore, a plurality of telephone numbers can be registered in different service areas, and the telephone numbers can be accurately set according to the service areas.

Moreover, since the universal storage means for storing a large number of telephone numbers and the corresponding service area identification numbers is removable from the main device, a large number of registrations can be realized at low cost.

(Example) Hereinafter, details of an example of the present invention will be described with reference to the drawings.

First, the AMP in which the car telephone device of this embodiment is used
An overview of the communication service system called S will be explained below.

AMPS uses a small zone system called a cell.

One service area is constructed by collecting a plurality of such cells. Each cell is provided with a base station connected to the public network via a control station and a switching center, and each Hakudori telephone device forms a radio link with this base station.

The wireless line includes a communication channel for exchanging audible signals, that is, a conversation, between the mobile phone device and the base station, and a control channel for exchanging control signals.

Control channels include a D channel, a P channel, and an A channel.

The D channel is for transmitting system information from the base station to the mobile telephone device. The car phone device is this D
Initial start-up is performed by system information contained in the channel.

The P channel is for transmitting system information and incoming call signals from the base station to the mobile telephone device.

The A channel is for transmitting system information and communication channel designation signals from the base station to the mobile telephone device, and for transmitting calling signals and incoming call response signals from the mobile telephone device to the base station.

That is, the car telephone device receives the P channel in the standby state, and upon receiving the incoming call signal, sends out the incoming call response signal to the base station via the A channel. Thereafter, when receiving a call channel designation signal from the base station via the A channel, the mobile phone receives a call on the designated channel in the same way as a normal telephone. on the other hand,
When making a call, the mobile telephone device sends a call signal to the base station via the A channel. Thereafter, when receiving a communication channel designation signal from another station via the A channel, the device makes a call on the designated channel in the same way as a normal telephone.

Note that the above-mentioned system information includes an identification number (SID) indicating the service area in which the base station exists.

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

The car telephone device shown in the figure is composed of an antenna 200°, a radio 300, a telephone 400, and an IC card 500.

Here, the antenna 200 is attached to the outside of the automobile, and the radio device 300 is mounted in the trunk of the automobile 41. Further, the telephone 400 consists of a telephone main body 400a and a handset 400b, and is mounted near the driver's seat in an automobile.

The radio device 300 includes a radio section 310 that exchanges signals via a radio line 600 with a base station (not shown) via an antenna 200, and an audio/control section that performs overall control of the entire device. 330, a voice dial unit 350 that performs voice recognition and voice synthesis, etc., an EEPROM 370 in which the telephone number sent from the IC card 500 and the corresponding service area identification number are registered, and the power of the battery installed in the car. The main part of the device consists of a power supply section 390 that inputs the power and supplies it to each part of the device.

The radio section 310 includes a demodulator 312, a modulator 314, a power amplifier 316, a duplexer 318, and a synthesizer 320.
It consists of

The demodulator 312 demodulates the received signal from the base station 2 that is input via the wireless line 600 and the antenna 2001 (transmission/reception) (frequency transmitter 318). Note that this received signal includes the nJ audio signal, control signal, etc. It is.

The modulator 314 modulates the audible signal, control signal, etc. output from the audio/control unit 330 to generate a transmission signal.

Power amplifier 316 amplifies the transmission signal output from modulator 314.

The duplexer 318 includes a wireless line 600 and an antenna 200.
The received signal inputted via the modulator 314 and the power amplifier 316 is sent out to the demodulator 312, and the transmitted signal inputted via the modulator 314 and the power amplifier 316 is sent out to the antenna 200.

Synthesizer 320 is a local oscillator for channel selection, and the frequency to be demodulated by demodulator 312 and modulator 31
4 specifies the frequency to be modulated.

The audio/control unit 330 includes a CPU 33], an oscillator/
Frequency divider 332, address decoder 333, ROM334
, RAM 335, radio section control section 336, audio section 3
37, control signal processing section 338, audio section control section 33
9. Digital interface 3 Consists of an ace 340, a power supply controller 341, and an interrupt controller 342. In the figure, number n 343 is, for example, an 8-bit data bus, 344 is an address bus, and 34 is an 8-bit data bus.
5 is a control bus.

The CPU 331 performs overall control of the audio/control section 330 as a whole.

The oscillator/frequency divider 332 supplies a clock to the CPU 331, and also divides the frequency of this clock and supplies it as a timing signal to each part.

The address decoder 333 receives an instruction (
A predetermined operation signal is output to each part according to the ≦ sign.

The ROM 334 stores various programs necessary for the operation of the CPU 331.

The RAM 335 stores various data during processing by the CPU 331.

The wireless unit control unit 336 controls the wireless unit 310 based on instructions from the CPU 331. For example, the radio section control section 3
36 indicates the frequency that the synthesizer 320 should specify, the 4j width factor that the power amplifier 316 should amplify, the total tone that the softener 314 should soften, etc., and the synthesizer 320 as a measure to prevent malfunction.
The out-of-synchronization signal output from the power amplifier 316, the output detection signal output from the power amplifier 316, etc. are input and transmitted to the CPO 331.

The audio section 337 sends the control signal of the received signal demodulated by the demodulator 312 to the control signal processing section 338 and the audible sound signal to the voice dial section 350 and the telephone 4υO, which are output from the control signal processing section 338. Control signals and audible signals output from telephone 400 and voice dialing section 350 are sent to modulator 314 . Note that the audio section 337 also has functions of waveform shaping of the control signal to be sent to the control signal processing section 338 and filtering of the control signal to be sent to the modulator 314.

The control signal processing unit 338 performs bit synchronization and frame synchronization with the control signal output from the audio unit 337, and captures control data from the base station included in the control signal, which is a serial signal, as a parallel 5 small signal. , on the other hand, control data as a parallel signal to be sent to another station is sent to the audio section 337 as a serial control signal.

The audio section control section 339 performs various controls on the audio section 337. For example, the audio unit control unit 339 transfers the received signal from the audio unit 337 to the control signal processing unit 3.
38, switching control and control signal processing unit 338 that sends out to either the voice dial unit 350 or the telephone 400;
Switching control is performed to input either the transmission signal output from the voice dial section 350 or the telephone 400 into the audio section 337.

The digital interface 340 is connected to this radio device 300.
interface between the telephone 400 and the IC card 500.

The power supply unit control unit 341 controls the power supply unit 390. For example, the power supply unit control unit 341 controls the power supply unit 390 to set the voltage supplied from the battery to a predetermined voltage and to supply the voltage to each unit.

6. The interrupt controller 342 interrupts the CPU 331 in response to interrupt commands from various parts.

The telephone main body 400a includes amplifiers 413, 414, hands-free control section 415, attenuator 415a, 415C1 switch 416.4]7, connection section 460, hands-free microphone 494, speaker 492, hook switch (not shown), on/off Its main part consists of a switch (not shown).

One width? , 'j 41-3 amplifies the audio signal sent from the audio section 337 of the radio device 300 and sends it to the speaker 4.
Output from 92.

The amplifier 414 amplifies the audio signal input by the hands-free microphone 494 and sends it to the audio section 337.

The hands-free control unit 415 controls the attenuation rate of an attenuator 415a that attenuates the audio signal input to the amplifier 413, and also controls the attenuation rate of an attenuator 415c that attenuates the audio signal output from the amplifier 414.

The switch 416 switches whether or not the audio signal sent from the audio section 337 is output from the speaker 492.

The switch 417 switches whether or not to send the audio signal from the hands-free microphone 494 to the audio section 337. Note that switching of these switches 416 and 417 is performed in response to a control signal sent from the audio/control unit 330 of the radio device 300.

An IC card 500 is connected to the connection unit 460, and data is outputted between the IC card 500 and the IC card 500.

The hook switch (not shown) is connected to the handset 400b.
on-hook or off-hook. This detected signal is transmitted to the audio/control unit 330 of the wireless unit 300.
sent to.

The on/off switch (not shown) turns on/off the entire car phone device 100,
This switching signal is sent to the audio/control section 330 of the wireless section 300.

The handset 400b includes a control unit 418, amplifiers 419a and 419c, switches 423 and 424, a liquid crystal display 452, an LCD driver, a key part 430 consisting of a plurality of keypads, a handset microphone 496, and a handset receiver 498.

The control unit 418 is the audio/control unit 3 of the radio device 300.
The entire handset 400b is controlled by the control signal sent from the key part 400b.
Control signals and the like input from 30 are sent to audio/control section 330 of radio device 300.

The width divider 419a scales the audio signal sent from the audio section 337 and outputs it from the handset receiver 498.

Amplifier 419c amplifies the audio signal input from handset microphone 496 and sends it to audio section 337.

Switch 423 switches whether or not to output the audio signal from audio section 337 from handset receiver 498 .

9 The switch 424 switches whether or not to send the audio signal from the handset microphone 496 to the audio section 337. Note that switching of these switches 423 and 424 is performed under the control of the control unit 4]8.

The liquid crystal display 452 includes a several-digit number display section, a display section for each function, and the like.

The LCD driver 454 drives the liquid crystal display 452 under the control of the control unit 418 to perform a predetermined display.

The key part 430 is the number keys "*" and "#" from rOJ to "9".
”, rSNDJ, rsTOJ, “ENDJ, rRcLJ
, rFNcJ, rcLRJ, rEMRJ, rMUTE,
J, consists of a keypad such as "TONE" function keys,
When the keypad is pressed, this is recognized by the control unit 418.

The IC cart 500 is a removable card for storing a plurality of telephone numbers, such as telephone numbers for each service area, and corresponding identification numbers for each service area.

0 FIG. 2 is a diagram showing the configuration of such an IC card 500, and FIG. 3 is a diagram showing the external appearance.

As shown in FIG. 2, the IC card 500 is connected to a CPU 502, ROM 503, RAM 504, input section 505, display section 506, interface section 507, etc.
508 are connected. In addition, the interface sections 507 and 508 are connected to the connection sections 509 and 509, respectively.
10.

The CPU 502 performs general control within the IC card 500.
7.

The ROM 503 stores programs necessary for controlling the CPU 502.

The RAM 504 stores, for example, a plurality of telephone numbers for each service area and a corresponding identification number for each service area.

As shown in FIG. 3, the input unit 505 includes numeric keys "0" to "9" and function keys "*", "#", "next candidate", and "transfer".

The display unit 506 is composed of an LCD or the like, and displays the service 1 Display area identification number and telephone number.

An interface section 507 provides an interface between this IC card 500 and the car telephone device side.

The interface unit 508 provides an interface between the IC card 500 and computer equipment (not shown).

Connection section 509 is connected to connection section 460 on the car phone device side.

The connection section 510 is connected to a connection section (not shown) on a computer device or the like. Here, the above-mentioned computer equipment is, for example, something owned by a telephone office, and is used when registering a telephone number and a corresponding service area identification number in this IC card 500 at the time of a contract between the telephone office and the user. .

Next, the telephone number setting operation of the thus configured car telephone device will be explained with reference to FIGS. 4 and 5. still,
FIG. 4 is a flowchart showing the operation on the car telephone device side, and FIG. 5 is a flowchart showing the operation on the IC card 500 side.

2. First, the user connects the IC card 500 to the connection section 460 of the car telephone device.

Then, r'l'J of the input section 505 of the IC card 500
When the rlJ key is pressed (step 501), the CPU (MCPU) on the mobile talk device side from the IC cart 500
An interrupt signal is sent to 331 (step 502).

car? The CPU (MCPU) 331 on the top filling device side is
Upon receiving the above interrupt signal (step 401), the RAM
The identification number (SID) written at tσ in 335 is sent to the IC card 500 side (step 402).

Here, this identification number (SID) is included in the system information that this car phone device always receives, and indicates the service area where this car phone device currently exists. The car telephone device extracts this identification number (SID) from the system information and stores it in the RAM 335. Note that the identification number (SID) is updated each time the identification number (SID) changes, that is, when the service area becomes optical.

3 Now, when the IC card 500 receives the identification number (Sll) from the car phone device side (step 5o3), it displays the identification number (SID) on the display unit 506 (step 504). At the same time, one telephone number and the corresponding service area identification number are extracted from the plurality of telephone numbers and the corresponding service area identification numbers stored in the RAM 504, and these are displayed on the display unit 506. Display it (step 505). In addition, as a method for extracting the above-mentioned telephone numbers and identification numbers, for example, a method may be used in which multiple telephone numbers and identification numbers are ranked in advance according to the frequency of use, etc., and the extraction is performed based on this ranking. It will be done.

The user compares the currently existing service area identification number (SID) displayed on the display unit 506 with the extracted identification number (SID). If they do not match, the "next candidate" key is pressed, and if they match, the "transfer" key is pressed.

When the “next candidate” key is pressed, the IC card 500 (
Step 506), RAM5041. : From the plurality of stored telephone numbers and the corresponding service area identification numbers, except for those displayed above, one 7 extracts the telephone number and the corresponding service area identification number. , these are displayed on the display section 506 together with the currently existing service area identification number (SID) of 1 (step 505).

The user must enter the identification number (
Press the "Transfer" key until the identification number (SID) that matches SID is found to display the next candidate. Note that if there is no match for all, press the 1-ENDJ key.

In this way, when the "transfer" key is pressed (step 50
7) The IC card 500 transmits the telephone number extracted at that time to the CPU (MCPU) 33 on the car telephone device side.
(step 508). Note that if the "END" key is pressed (step 509), the process is stopped there.

The CPU (MCPU) 331 on the car phone device side is an I
When the telephone number is received from the C card 500 (step 403), the telephone number registered in the EEPROM 370 is updated to the telephone number received from the IC card 500 (step 404).

From then on, this car phone device will be equipped with the EEPROM as described above.
Calls can be made or received by paying the telephone number registered in 370.

In this way, the car telephone device of this embodiment has an IC card 5.
A plurality of telephone numbers and corresponding service area identification numbers are registered in advance in 00, and a desired telephone number is selected by comparison with the identification numbers included in the system information. Therefore, a plurality of telephone numbers can be registered in different service areas, and the telephone numbers can be accurately set according to the service areas. Furthermore, since the IC card 500 is used as a medium for recording a large number of telephone numbers and the corresponding service area identification numbers, a large number of registrations can be carried out at low cost.

Next, another embodiment with a different telephone number setting operation will be described.

6 The operation of the car phone device side is the same as shown in Figure 4, which is the same as that of the same company. FIG. 6 is a flowchart 1 showing the operation on the IC cart 500 side.

First, the user connects the IC card 500 to the connection section 460 of the car telephone device.

Then, "*" in the input section 505 of IC car 1' 500
When the "1" key is pressed (step 601), the CPU (MCPU) 3 on the car phone device side is connected to the IC card 500.
31 (step 602).

When the CPU (MCPU) 331 on the car phone device side receives the above interrupt signal (step 401), the CPU (MCPU) 331 loads the RAM 3
The identification number (SID) stored in 35 is transferred to IC card 50.
0 side (step 402).

The IC card 500 receives an identification number (
SID) (step 003), the identification number (SID) is displayed on the display section 506 (step 6).
04). At the same time, the identification number (SID) received from the mobile phone device is selected from among the identification numbers of multiple service areas stored in the RAM 504.
) (step BO5, [i-guchi6)]. When a match is found, the telephone number is sent to the CPU (MCPU) 33 on the car telephone device side (step 607). Note that if there is no match (step [108), the process is stopped there.

In this manner, in this embodiment, the selection of telephone numbers is also carried out one by one, which further improves convenience for the user. However, in order to further simplify the configuration of the IC card 500 and reduce costs, the first embodiment is preferable.

Note that the present invention is not limited to the above-described embodiments, and various modifications can be made.

For example, although part of the telephone number setting operation described above is performed by the IC card, it may be arranged that all of this is performed by the car telephone device. In this case, it is sufficient for the IC card to have only a storage function in the tll, and further cost reduction can be expected. However, if the present invention is to be applied to an existing car telephone device, the use of the IC card of the above-described embodiment has the advantage of requiring fewer improvements.

Moreover, a magnetic card or an optical card may be used instead of an IC card. However, as mentioned above, if an IC card is to have a processing function, it is more preferable to use an IC card that can easily interface with a CPU.

Furthermore, the present invention is applicable not only to car telephone devices but also to other wireless telephone devices.

Moreover, it is not limited to 8MPS (it can also be applied to other wireless communication systems).

[Effects of the Invention] As explained above, according to the present invention, a plurality of telephone numbers and corresponding service area identification numbers are registered in advance in the removable storage means, and the identification numbers sent from the base station are stored in advance. A desired telephone number is selected by comparing it with the telephone number. Therefore, it is possible to register a plurality of telephone numbers in respective service areas and to accurately set the telephone numbers according to the service areas. Moreover, since the removable storage means for storing a large number of telephone numbers and corresponding service area identification numbers can be accessed from the main unit, it is possible to register a large number of telephone numbers at low cost. I can do it.

[Brief explanation of drawings]

The first section is a diagram showing the configuration of an automobile 1-C talking device according to an embodiment of the present invention, FIG. 2 is a diagram showing the configuration of an IC card according to this embodiment, and FIG. 3 is an external view thereof. 4 is a flowchart showing the telephone number setting operation on the car phone device side according to this embodiment, and FIG. 5 is an IC card 5 according to this embodiment.
Flowchart 1 showing the telephone number setting operation on the 00 side. FIG. 6 is a flowchart showing the telephone number setting operation on the IC card 500 side according to another embodiment. 330...Audio/control unit, 331...CPU
. 334...ROM, 370...EEPROM,
460... Connection section, 500... IC card. 0 31st week Kwan 4th JP-A-3 179936 (11)

Claims (6)

[Claims] (1) A telephone number storage means for storing a telephone number for making and receiving calls, an identification number storage means for storing an identification number related to a service area transmitted from a base station, and an identification number storage means for storing an identification number related to a service area, which is detachable from the main unit. , generalizable storage means for storing a plurality of registered telephone numbers and identification numbers related to service areas corresponding to each of these telephone numbers; identification number extracting means for sequentially extracting one identification number according to a rule determined by the identification number extraction means; display means for displaying one identification number extracted by the identification number extraction means and the identification number stored by the identification number storage means; an input means for performing a predetermined input when two identification numbers displayed by the display means match; and an input means for performing a predetermined input when two identification numbers displayed by the display means match; and an input means for performing a predetermined input by the input means; A wireless telephone device comprising: telephone number updating means for updating a telephone number stored in the telephone number storage means with a telephone number corresponding to an identification number. (2) The radio telephone device according to claim 1, wherein the identification number extraction means, the display means, and the input means are provided on the portable storage means side. (3) telephone number storage means for storing telephone numbers for making and receiving calls; identification number storage means for storing identification numbers related to service areas transmitted from base stations; , generality storage means for storing a plurality of registered telephone numbers and identification numbers related to service areas corresponding to each of these telephone numbers; and an identification number that matches the identification number stored by the identification number storage means. an identification number extraction means for extracting from a plurality of identification numbers stored in the universal storage means; and when a matching identification number is extracted by the identification number extraction means, a telephone number corresponding to the extracted identification number , telephone number updating means for updating the telephone number stored in the telephone number storage means; (4) The radio telephone device according to claim 3, wherein the identification number extraction means is provided on the portable storage means side. (5) The wireless telephone device according to claim 1 or 3, wherein the portable storage means is an IC card. (6) A storage device which is flexible in the form of a card and stores a plurality of registered telephone numbers and an identification number related to a service area corresponding to each of these telephone numbers.