JPH11266330A - Portable telephone system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the management of prepaid cards by making payment of a speech by prepaid cards feasible and to suppress cost increase by eliminating the need for a procedure of ID. SOLUTION: This system is provided with a residual call unit number reader/ rewriter that reads residual call unit number information of a prepaid card and rewrites the residual call unit number information of the prepaid card, based on a charging information signal sent from a portable telephone set base station 100, a portable telephone set 1 that makes dialing, based on the remaining call unit number information of the prepaid card, a control section 101 that decides a charging unit time in response to a connected callee side upon the receipt of dialing form the portable telephone set 1 and connects a line of the portable telephone set 1 to a communication network, a connection means such as a public line interface 103, and a control means such as the control section that sends the charging information signal to the portable telephone set 1 for every lapse of the decided charging unit time after the line connection.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone device capable of paying a fee using a prepaid card.

[0002]

2. Description of the Related Art At present, a portable telephone device widely used is basically owned by one registered person, and a call is charged to the registered person. On the other hand, as a portable telephone device used by a plurality of persons, there is a portable telephone device using an IC card in which an ID is registered.

[0003]

Since the conventional portable telephone device is constituted as described above, the portable telephone device which can be used by a plurality of persons by using the IC card manages and manages the IC card. However, there is a problem that the cost is increased.

The present invention has been made to solve the above-mentioned problems, and the present invention makes it possible to pay a call charge using a prepaid card, thereby obviating the need for troublesome IC card management and procedures. It is another object of the present invention to provide a mobile phone device capable of suppressing an increase in cost.

[0005]

SUMMARY OF THE INVENTION A portable telephone device according to the present invention reads out remaining call frequency information of a prepaid card and stores the remaining amount of the prepaid card based on a billing information signal transmitted from a portable telephone base station. It is possible to make a call based on the remaining call frequency reading / rewriting device for rewriting the call frequency information and the remaining call frequency information of the prepaid card read out by the remaining call frequency reading / rewriting device. A mobile phone, provided in the mobile phone base station, when a call is made from the mobile phone, a charging unit time is determined according to a called side to be connected, and a line of the mobile phone is connected to a communication network. A connection unit, provided in the mobile phone base station for transmitting the charging information signal to the mobile phone every time the determined charging unit time elapses after the connection by the connection unit. Characterized in that a control means.

[0006] The portable telephone device of the present invention enables a call with the called party by using the remaining call possibility information of the prepaid card, thereby improving the convenience in card management and procedures as compared with the use of an IC card. Improve, curb rising costs,
In addition, the damage to the regular subscriber of the mobile phone caused by the unauthorized use due to the loss or theft of the mobile phone is reduced.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below. FIG. 1 is an explanatory diagram illustrating a configuration of a mobile phone in the mobile phone device according to the present embodiment. This mobile phone device has a function of enabling a call in accordance with the remaining call possibility number written on the prepaid card 21, and the mobile phone 1 and the mobile phone base station (the mobile phone base station) into which the prepaid card 21 can be inserted. 3). The mobile phone 1 has a card insertion hole 1 a for inserting the prepaid card 21. Further, the mobile phone 1 includes a remaining call frequency reading / rewriting device 32c (see FIG. 2). Further, a transmitting / receiving antenna 1b for transmitting and receiving voice and data, a display for displaying various information such as a destination telephone number input by operating the operation keys 1d and a remaining call possibility frequency of the inserted prepaid card 21. 1c, a transmitter 1e for inputting voice, a receiver 1f for outputting a received voice signal or the like as sound.

FIG. 2 is a functional block diagram showing the configuration of the portable telephone 1 shown in FIG. 2, the same or corresponding parts as those in FIG. 1 are denoted by the same reference numerals, and description thereof will be omitted. As shown in FIG. 2, the mobile phone 1 includes a wireless unit 31 and a control unit 32.

The radio unit 31 includes a transmitting / receiving antenna 1b, an antenna duplexer 31d, a receiving unit 31a, a transmitting unit 31b, and a frequency synthesizer 31c. The receiving unit 31a includes a high-frequency amplifier, a receiving mixer, an IF amplifier, a demodulator, and the like, and the transmitting unit 31b includes a modulator, a transmitting mixer,
It has a transmission power amplifier and the like.

The control unit 32 includes a transmitter 1e, a receiver 1f,
In addition to the display 1c and the operation keys 1d, a baseband signal processor 32a, a control circuit 32b, and the remaining call frequency reading / reading
A rewriting device 32c and the like are provided. The baseband signal processing unit 32a has a transmission signal processing circuit and a reception signal processing circuit.

The reception signal processing circuit of the baseband signal processing section 32a has a function of extracting the billing information signal sent from the mobile phone base station and outputting it to the control circuit 32b. The remaining call frequency reading / rewriting device 32c is for reading or rewriting the remaining call possible frequency previously written in the prepaid card 21 with respect to the prepaid card 21 inserted through the card insertion hole 1a.

FIG. 3 is a block diagram showing a configuration of a portable telephone base station which enables use of the portable telephone 1. As shown in FIG. The mobile phone base station 100 controls the communication between the mobile phone 1 and the public line via the mobile phone line interface 102, the public line interface 103, and the mobile phone base station antenna 104, and the mobile phone line interface 102 and the public line interface 103. Control unit 1 that performs
01 is provided. The control unit 101 has a function of transmitting a billing information signal to the mobile phone 1 every time the billing unit time elapses while a call is being performed. The mobile phone line interface 102 connects the mobile phone 1 and the mobile phone base station 100. The public line interface 103 connects the mobile phone 1 to the public line. Mobile phone base station antenna 104
Is for transmitting and receiving voice and data between the mobile phone 1 and the mobile phone base station 100.

Next, the operation will be described. FIG. 4 is a flowchart showing a transmission processing operation in the mobile phone device of the present embodiment. First, the prepaid card 21 is inserted into the prepaid card insertion hole 1a of the mobile phone 1. Prepaid card 2 into prepaid card insertion hole 1a
When the control circuit 32b of the mobile phone 1 detects that the number 1 has been inserted (step S1), the control unit 32b of the mobile phone 1 reads out the remaining call possibility frequency written on the prepaid card 21 by the remaining call frequency reading / rewriting device 32c (step S2). It is displayed on the display 1c. In this case, when the remaining call possibility frequency read from the prepaid card 21 is zero (step S3), the fact is displayed on the display 1c (step S3).
4) Automatically eject the inserted prepaid card 21 (step S5).

Next, when the subscriber number of the called side is input by operating the operation key 1d of the mobile phone 1 and a calling operation is performed (step S6), the mobile phone via the mobile phone line interface 102 shown in FIG. Telephone 1 and control unit 101
Based on the subscriber number of the called side by communication with
The control unit 101 determines the unit of charging (step S
7). Then, the control unit 101 establishes a connection with the public line via the public line interface 103 (step S8). Further, the control unit 101 transmits a billing information signal from the cellular phone line interface 102 to the cellular phone 1 every time the billing unit time elapses based on the determined billing unit (step S9).

Each time the control circuit 32b of the mobile phone 1 receives the charging information signal sent from the control unit 101 of the mobile phone base station 100, the remaining call written in the inserted prepaid card 21 The frequency corresponding to the charging information signal is subtracted from the possible frequency by the remaining frequency reading / rewriting device 32c (step S10). The charge information signal is kept until the line is disconnected by operating the operation key for disconnecting the line on the mobile phone 1 side (step S11) or until the line is disconnected when the frequency of the prepaid card 21 becomes zero. Is transmitted from the control unit 101 of the mobile phone base station 100 to the mobile phone 1 every time the charging unit time elapses. When the frequency of the prepaid card 21 becomes zero (step S12), the control circuit 32b of the mobile phone 1 disconnects the line (step S13), and performs the processing of steps S4 and S5. When the line is disconnected in step S11, the process returns to step S5, and the control circuit 32b of the mobile phone 1 discharges the inserted prepaid card 21.

As described above, according to the portable telephone device of the present embodiment, the prepaid card 21 can be used, and it is impossible to make a telephone call with the remaining number of possible calls written on the prepaid card 21 or more. , Prepaid card 2
Loss and loss of the item 1 are reduced, and the management of the prepaid card 21 becomes easy. Further, since the ID is not acquired unlike the IC card, the registration procedure is not required, and the mobile phone 1 can be used only by purchasing the prepaid card 21, and the procedure can be simplified. In addition, the prepaid card 21 is disposable and reusable,
Lower cost can be realized compared to cards.

Next, another embodiment of the portable telephone device of the present invention will be described. The mobile phone device according to the present embodiment also has a function that allows a user to make a call in accordance with the remaining number of possible calls written on the prepaid card 21, and inserts the prepaid card 21 and inserts the inserted prepaid card 21. The mobile phone base station is connected to a mobile phone to which an external device capable of reading and rewriting the remaining call possibility number written on the ejected and inserted prepaid card 21 and rewriting is connected.

FIG. 5 is an explanatory diagram showing the configuration of the mobile phone 11 and the external device according to the present embodiment. In FIG. 5, the same or corresponding parts as those in FIG. 1 are denoted by the same reference numerals, and description thereof will be omitted. In this portable telephone device, the portable telephone 11 is not provided with a card insertion hole for inserting the prepaid card 21. The card insertion hole 12a for inserting the prepaid card 21 is formed in the external device 12, and the external device 12 is capable of reading and rewriting the remaining available call frequency of the inserted prepaid card 21.
Is connected to the mobile phone 11. Therefore, the mobile phone 11 includes a connector and an interface for connecting the external device 12. External device 1
2 is provided with a remaining call frequency reading / rewriting device.

FIG. 6 is a functional block diagram showing the configuration of the portable telephone 11 shown in FIG. 5. The same or corresponding parts as those in FIG. 2 are denoted by the same reference numerals and description thereof is omitted. Reference numeral 32e is the connector for mechanically and electrically connecting the external device 12 to the mobile phone 11. Reference numeral 32d denotes the interface for rewriting the remaining call possible frequency written on the prepaid card 21 and reading the remaining call possible frequency from the prepaid card 21 with the external device 12 connected by the connector 32e. It is for sending and receiving control signals. Reference numeral 41 denotes the remaining call frequency reading / rewriting device,
Prepaid card 21 inserted from card insertion hole 1a
In order to read or rewrite the remaining call possibility number written in advance in the prepaid card 21 in advance.

Next, the operation will be described. The operation of the mobile phone device according to the present embodiment also follows the flow chart shown in FIG. 4, but the insertion of the prepaid card 12 and the reading and rewriting of the remaining number of possible calls of the prepaid card 21 are connected to the mobile phone. This is performed by the external device 12 performed.

As a result, it is possible to use the prepaid card 21, to make a call that does not exceed the remaining number of possible calls written on the prepaid card 21, and to reduce the loss or theft of the prepaid card 21. Thus, management of the prepaid card 21 becomes easy. Further, since the ID is not acquired unlike the IC card, the registration procedure is not required, and the mobile phone 1 can be used only by purchasing the prepaid card 21, and the procedure can be simplified. Also,
The prepaid card 21 is disposable and reusable, and can realize a lower cost than an IC card or the like. Further, the structure of the mobile phone 11 is not complicated, and the weight can be reduced.

[0022]

As described above, according to the present invention,
Since the system is configured so that a prepaid card can be used, call charges can be paid in real time by the prepaid card, and the increase in cost can be suppressed as compared with the case where an IC card is used. This eliminates the need for management and procedures, and facilitates card management. In addition, since it is configured not to be able to make a call that is equal to or greater than the remaining number of calls that can be made on the prepaid card, it is possible to reduce damage to the authorized owner of the mobile phone due to loss or unauthorized use of the mobile phone. In addition, since an ID is not acquired unlike an IC card, a registration procedure for an ID or the like is not required, and the user can use the card simply by purchasing a prepaid card.
Since it can be reused, there is also an effect that effective use of resources and suppression of increase in cost can be realized.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram illustrating a configuration of a mobile phone in a mobile phone device according to an embodiment of the present invention.

FIG. 2 is a functional block diagram showing a configuration of the mobile phone according to the embodiment of the present invention.

FIG. 3 is a functional block diagram showing a configuration of a mobile phone base station in the mobile phone device according to one embodiment of the present invention.

FIG. 4 is a flowchart showing an outgoing call processing operation in the mobile phone device according to the embodiment of the present invention.

FIG. 5 is an explanatory diagram showing a configuration of a mobile phone in a mobile phone device according to another embodiment of the present invention.

FIG. 6 is a functional block diagram showing a configuration of a mobile phone according to another embodiment of the present invention.

[Explanation of symbols]

1, 11: mobile phone, 1a, 12a: card insertion hole (prepaid card insertion hole), 12: remaining call frequency reading / rewriting device, 21: prepaid card, 32b ...
Control circuit (connection control means), 100: mobile phone base station, 101: control unit (control means, connection means), 102
…… Mobile phone interface (connection means), 103…
... Public line interface (connection means).

Claims (6)

[Claims] 1. A method of reading remaining call frequency information of a prepaid card and rewriting the remaining call frequency information of the prepaid card based on a billing information signal transmitted from a mobile phone base station. A rewriting device, a mobile phone capable of making a call based on remaining call frequency information of the prepaid card read by the remaining call frequency reading and rewriting device, and when there is a call from the mobile phone, A connection unit provided in the mobile phone base station, which determines a charging unit time according to a called side to be connected, and connects a line of the mobile phone to a communication network; Control means provided in the mobile phone base station for transmitting the charging information signal to the mobile phone every time the charging unit time elapses. Telephone device. 2. The mobile phone device according to claim 1, wherein the remaining call frequency reading / rewriting device is provided in the mobile phone. 3. The portable telephone has a prepaid card insertion hole, and the remaining call frequency reading / rewriting device reads remaining call frequency information on the prepaid card inserted into the prepaid card insertion hole, and a cell phone base. 3. The mobile telephone device according to claim 2, wherein the remaining call frequency information of the prepaid card is rewritten based on a billing information signal transmitted from a station. 4. The mobile phone device according to claim 1, wherein the remaining call frequency reading / rewriting device is configured as a separate body detachably connected to the mobile phone. 5. The remaining call frequency reading / rewriting device includes a prepaid card insertion hole, reads out remaining call frequency information of the prepaid card inserted into the prepaid card insertion hole, and transmits the information from the mobile phone base station. 5. The portable telephone device according to claim 4, wherein the remaining call frequency information of the prepaid card is rewritten based on the charging information signal. 6. A connection control means for disconnecting a line of a mobile telephone connected to a communication network by connection means when remaining call possibility information of the prepaid card inserted into the prepaid card insertion hole becomes zero. The mobile phone device according to claim 3 or 5, wherein