JP2002261915A - Cellular phone device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To minimize the damage when a cellular phone is stolen or the like by limiting the use time of the cellular phone after the cellular phone is removed from the charger after charging. SOLUTION: When the user of the cellular phone connects a charge terminal T1 of the cellular phone 1 to a charge connection terminal T2 of the charger 2, a charge section 11 of the cellular telephone starts to be charged from a charging circuit 21 of the charger. The cellular phone comprises a timer 13 for clocking the use time of the cellular phone, and a cellular phone CPU 10 for controlling a cellular phone function circuit 14 of a call or the like when clocking is completed by the timer. The charger comprises a connection detection circuit 22 for detecting the connection state when the charger is connected to the cellular phone, and a transmission circuit 23 for transmitting a connection signal by the control of a charger CPU 20 when connection is detected by the connection detection circuit.

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, and more particularly, to a portable telephone device which prevents unlimited use when the portable telephone is stolen.

[0002]

2. Description of the Related Art Conventionally, as this kind of portable telephone device, a portable telephone device having a configuration shown in a functional block diagram of FIG. 2 has been proposed.

[0003] A portable telephone device shown in the figure is a portable telephone 51 carried by a portable telephone user and provided with a charging section 60.
And a charger 52 that is used to supply a DC voltage as an operation power supply of the mobile phone 51 and includes a charging circuit 70. The charging unit 60 of the mobile phone 51 includes a charging circuit of the charger 52. At the time of charging in which the DC voltage from the mobile phone 70 is charged as the operation power supply of the mobile phone, the charging connection terminal T51 of the mobile phone 51 connected to the charging unit 60
0 by connecting the charging connection terminal T52 of the charger 52 connected to the power supply line L51 via the power supply line L51.
The charging of the charging unit 60 is started from the charging circuit 70 of FIG. 2 via the charging connection terminal T52, the power supply line L51, and the charging connection terminal T51 of the mobile phone 51.

[0004]

However, in the conventional portable telephone device, after the charging of the DC voltage from the charging circuit 70 of the charger 52 to the charging section 60 of the portable telephone 51 is completed, the power supply line L51 is used. When the charging connection terminal T51 of the mobile phone 51 and the charging connection terminal T52 of the charger 52 are disconnected from each other, the mobile phone 51 can be carried freely. There is a drawback that the mobile phone 51 is used by a person without restriction.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned difficulties, and it is intended to limit the use time of a mobile phone when the mobile phone after charging from the charger is removed from the charger. It is another object of the present invention to provide a mobile phone device that minimizes damage when the mobile phone is stolen.

[0006]

In order to achieve this object, a portable telephone device according to the present invention provides a portable telephone user with:
By connecting the charging connection terminal of the mobile phone and the charging connection terminal of the charger, a mobile phone device in which charging from the charging circuit of the charger to the charging unit of the mobile phone is started. A timer for measuring the usage time of the mobile phone, and a mobile phone CPU for controlling a mobile phone function circuit such as a telephone call when the timer finishes the time,
The charger has a connection detection circuit for detecting a connection state when connected to the mobile phone, and sends a connection signal under the control of the charger CPU when the connection is detected by the connection detection circuit. And a transmission circuit for the transmission.

[0007] Further, the portable telephone and the charger constituting the portable telephone device according to the present invention are provided with I-to-I corresponding to each one.
The mobile phone has a mobile phone memory and a charger memory in which D is stored. When the charger is connected to the mobile phone, the mobile phone reads the ID from the mobile phone memory when receiving the ID sent from the charger memory. When the ID comparison circuit for comparison and the ID compared by the ID comparison circuit match,
A mobile phone CPU for resetting the counting of the timer.

Further, the portable telephone constituting the portable telephone device according to the present invention is characterized in that the portable telephone is provided with a timer setting section for changing the use time set in the timer when the charger is connected. I have.

According to such a portable telephone device, the charging connection terminal of the portable telephone is connected to the connection terminal of the charger, and the charging of the DC voltage from the charging circuit of the charger to the charging section of the portable telephone is completed. Later, when the charging connection terminal of the mobile phone and the charging connection terminal of the charger are disconnected, the timer of the mobile phone starts measuring the usage time of the mobile phone, and detects the lapse of the usage time (time-up). Mobile phone CPU
Based on the control of the various functions of the mobile phone function circuit,
For example, by restricting the operation of various functions such as calling, calling response, talking, and changing the usage time of the timer, it is possible to minimize damage in the case where the mobile phone is stolen. When the charging connection terminal of the mobile phone is connected to the connection terminal of the charger, the usage time of the mobile phone set in the timer of the mobile phone is used as a timer setting unit that forms a mobile phone function circuit. Can be changed based on the control of the mobile phone CPU that has detected this setting.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a preferred embodiment of a portable telephone device according to the present invention.

FIG. 1 is a functional block diagram showing the configuration of a portable telephone device according to one embodiment of the present invention. The portable telephone 1 carried by a portable telephone user and a DC voltage as an operating power supply of the portable telephone 1 are shown in FIG. Charger 2 used to supply
The charging connection terminal T1 of the mobile phone 1 and the charging connection terminal T2 of the charger 2 supply power at the time of charging when the DC voltage supplied from the charger 2 is used as the operating power supply of the mobile phone 1. In addition to being connected via the line L1, the communication connection terminal T11 of the mobile phone 1 and the communication transmission terminal T12 of the charger 2 are automatically connected via the communication line L2 during the above-described charging.

The charger 2 shown in FIG. 1 is connected to a charger CPU 20 for controlling each component of the charger and a charging connection terminal T2. When the connection terminal T1 is connected via the power supply line L1, the charging unit 11 of the mobile phone described later
When a charging circuit 21 for supplying a DC voltage to the battery and charging it as an operating power supply, and a charging connection terminal T2 and a charging connection terminal T1 of the mobile phone 1 are connected via a power supply line L1, this connection state A connection detection circuit 22 for detecting based on the operation state of the charging circuit 21 and sending a connection signal to the charger CPU 20; The connection signal or an ID read from a charger memory 24 described below under the control of the charger CPU 20 (hereinafter referred to as a charger ID)
Circuit) for transmitting the signal to the communication connection terminal T12 to which the communication line L2 is connected, and the charger CPU 20 which detects the connection signal from the connection detection circuit 22. Mobile phone memory 15
And a charger memory 24 in which an ID (charger ID signal) corresponding to the one-to-one relationship is stored (in advance).

The mobile phone 1 shown in FIG. 1 is connected to a CPU (hereinafter, referred to as a mobile phone CPU) 10 for controlling each component of the mobile phone, and a charging connection terminal T1. Terminal T1 and charging connection terminal T2 of charger 2
Is connected via the power supply line L1, the charging unit 11 for charging the DC voltage supplied from the charging circuit 21 of the charger 2 as an operation power supply, and the communication connection terminal T12, Connection signal transmitted from the transmission circuit 23 of the transmitter 2 via the communication connection terminal T12 and the communication line L2,
Or a receiving circuit 12 for receiving the charger ID signal and sending it to the mobile phone CPU 10, a timer 13 for counting / resetting a preset use time of the mobile phone under the control of the mobile phone CPU 10, Timer 13
A function controlled by the mobile phone CPU 10 that has detected the end of timekeeping (time-up) by
An ID (hereinafter, referred to as a mobile phone ID signal) corresponding to a one-to-one correspondence between the mobile phone function circuit 14 having various functions such as a call answering, a telephone call, and the above-described use time change and the charger memory 24 of the charger 2. ) Is stored (in advance) in the mobile phone memory 1
5, when the charging connection terminal T1 and the charging connection terminal T2 of the charger 2 are connected via the power supply line L1, the charger ID signal described above and the mobile phone memory 15 stored in the mobile phone memory 15 in advance. An ID comparison circuit 16 for comparing with a telephone ID signal is provided.

Further, a portable telephone function circuit 14 constituting the portable telephone 1 shown in FIG.
1 and the charging connection terminal T2 of the charger 2 are connected to the power supply line L1.
A timer setting unit 14a for changing the usage time of the mobile phone set by the timer 13 when connected through the operation unit 14b, and an operation unit 14b for operating the timer setting unit 14a and the like. The cellular phone function circuit 14 includes the above-described components (14a, 1a).
In addition to 4b), a display unit (not shown) for displaying various information such as a call destination and a call source is also provided.

The operation of the portable telephone device according to one embodiment of the present invention will now be described.
This will be described with reference to the functional block diagram of FIG.

The mobile phone user operates the charging circuit 2 of the charger 2.
In order to charge the DC voltage from 0 to the charging unit 11 of the mobile phone 1 as an operating power supply of the mobile phone, a charging connection terminal T1 connected to the charging unit 11 and a charging connection terminal T2 connected to the charging circuit 21 are charged. Are connected via the power supply line L1, the communication connection terminal T11 of the mobile phone 1 and the communication connection terminal T12 of the charger 2 are automatically connected via the communication line L2, and the charging circuit 21 operates. Then, the DC voltage from the charging circuit 21 is supplied to the charging unit 11 via the charging connection terminal T2, the power supply line L1, and the charging connection terminal T1 of the mobile phone 1, and charging is started.

Further, it is detected based on the operation of the charging circuit 21 that the charging connection terminal T1 of the mobile phone 1 and the charging connection terminal T2 of the charger 2 are connected via the power supply line L1. The connection detection circuit 22 is connected to the charger CP.
The connection signal is continuously sent to U20. This connection signal is transmitted from the transmission circuit 23, the communication connection terminal T12, the communication line L
2. Mobile phone CPU via the receiving circuit 12 of the mobile phone 1
10 is transmitted.

Further, the mobile phone CPU of the mobile phone 1 to which the connection signal continuously transmitted from the charger 2 is inputted.
10 is a charging connection terminal T1 and a charging connection terminal T2 of the charger 2.
Are connected via the power supply line L1, and the timer 13 is activated from the time when the connection signal is first detected, that is, the time of use of the mobile phone is measured. To start.

Next, at the time of charging as described above, the charging connection terminal T1 of the mobile phone 1 and the charging connection terminal T2 of the charger 2 connected via the power supply line L1 are connected by the mobile phone user. When disconnected, the operation of the charging circuit 21 stops, and the connection detecting circuit 22 detects that the connection state has been shifted to the non-connection state, and
Stop sending connection signal to

Further, based on the disconnection of the charging connection terminal T2 of the charger 2 through the charging connection terminal T1 of the mobile phone 1 and the power supply line L1, the communication line L2
The connection between the communication connection terminal T11 of the mobile phone 1 and the communication connection terminal T12 of the charger 2 via the connection is automatically disconnected, and the input of the connection signal to the mobile phone CPU 10 of the mobile phone 1 is also stopped. The cellular phone CPU 10 resets the time measured by the timer 13 from the time when the connection signal was last detected, and resets the timer 1 again.
Time measurement 3 is activated, that is, time measurement of the usage time of the mobile phone is started.

Next, as described above, the charging connection terminal T1 and the communication connection terminal T11 of the mobile phone 1, and the charging connection terminal T2 and the communication connection terminal T12 of the charger 2 via the power supply line L1 and the communication line L2. In a non-connection state in which the connection with the mobile phone is disconnected, when the usage time of the mobile phone being counted by the timer 13 of the mobile phone 1 elapses (time-up), the mobile phone CP detecting the time-up
U10 keeps the timer 13 inactive and controls the mobile phone function circuit 14 to control various functions of the mobile phone function circuit, such as calling,
Operations of various functions such as a call response, a telephone call, and a change in the use time of the timer 13 can be restricted.

Then, the user of the mobile phone connects the charging connection terminal T1 of the mobile phone 1 and the charging connection terminal T2 of the charger 2 whose use time has elapsed (time-up) based on the time measured by the timer 13 to the power supply line. When connected via L1, the communication connection terminal T11 of the mobile phone 1 and the communication connection terminal T of the charger 2
12 is automatically connected via the communication line L2, and the charging circuit 21 is activated again.
From the charging unit 11 via the charging connection terminal T2, the power supply line L1, and the charging connection terminal T1 of the mobile phone 1.
Is supplied to the charger C, and the connection signal from the connection detection circuit 22 that has detected the operation of the charging circuit 21 is supplied to the charger C
PU 20, transmission circuit 23, communication connection terminal T 12, communication line L 2, mobile phone C via mobile phone 1 receiving circuit 12
The data is continuously transmitted to the PU 10.

Further, the mobile phone CPU of the mobile phone 1 to which the connection signal continuously transmitted from the charger 2 is inputted.
10 is a charging connection terminal T1 and a charging connection terminal T2 of the charger 2.
Is connected via the power supply line L1, and the time of the timer 13 is activated again from the time when the connection signal is first detected, that is, the usage time of the mobile phone is measured. By starting the timekeeping and controlling the mobile phone function circuit 14, various functions of the mobile phone function circuit which are restricted as described above, such as a call, a call response, a call, and a use time of the timer 13, are controlled. Restore the operation of various functions such as changes.

In the above description, it is assumed that the charging connection terminal T1 of the mobile phone 1 and the charging connection terminal T2 of the charger 2 are connected via the power supply line L1.
As means for detecting by the mobile phone CPU 10 of the mobile phone 1, the detection is performed based on the connection signal from the connection detection circuit 22 which has detected the operation of the charging circuit 21 of the charger 2. It is also possible to detect the connection state, and the specific contents of this means will be described with reference to the functional block diagram of FIG.

The mobile phone user operates the charging circuit 2 of the charger 2.
In order to charge the charging unit 11 of the mobile phone 1 with the DC voltage from 0, the charging connection terminal T1 connected to the charging unit 11 and the charging connection terminal T2 connected to the charging circuit 21 are connected to the power supply line L1. When the connection is established via the communication line L2, the communication connection terminal T11 of the mobile phone 1 and the communication connection terminal T12 of the charger 2 are automatically connected via the communication line L2. Is supplied to the charging unit 11 via the charging connection terminal T2, the power supply line L1, and the charging connection terminal T1 of the mobile phone 1, and charging is started.

Also, based on the operation of the charging circuit 21, it is determined that the charging connection terminal T1 of the mobile phone 1 and the charging connection terminal T2 of the charger 2 are connected via the power supply line L1. The detected connection detection circuit 22 is connected to the charger C
The connection signal is continuously transmitted to the PU 20. The charger CPU 20 that has detected the connection signal from the connection detection circuit 22 reads the charger ID signal (preliminarily) stored in the charger memory 24, and this charger ID signal is
The data is continuously transmitted to the mobile phone CPU 10 via the communication connection terminal T12, the communication line L2, and the receiving circuit 12 of the mobile phone 1.

The mobile phone C of the mobile phone 1 to which the charger ID signal continuously transmitted from the charger 2 is input.
The PU 10 sends the charger ID signal to the ID comparison circuit 16, and reads out the cell phone ID signal (preliminarily) stored in the cell phone memory 15 and sends it to the ID comparison circuit 16.

Further, the ID comparison circuit 16 of the mobile phone 1
Is the charger ID signal from the charger 2 and the cell phone memory 1
The mobile phone CPU 10 compares the mobile phone ID signal read from the mobile phone ID signal with the mobile phone CPU 10 and sends an ID match signal to the mobile phone CPU 10 if they match. Based on the ID detection signal from the ID comparison circuit 16, the mobile phone CPU 10 connects the charging connection terminal T1 to the charger 2
And the charging connection terminal T2 is connected through the power supply line L1, and the timer 13 is activated, that is, the timer of the use time of the mobile phone is started.

Next, at the time of charging as described above, the charging connection terminal T1 of the mobile phone 1 and the charging connection terminal T2 of the charger 2 connected via the power supply line L1 are disconnected by the user of the mobile phone. Then, the operation of the charging circuit 21 stops, and the connection detection circuit 22 detects that the connection state has been shifted to the non-connection state, and stops sending the connection signal to the charger CPU 20.

Also, based on the fact that the connection between the charging connection terminal T1 of the portable telephone 1 and the charging connection terminal T2 of the charger 2 is disconnected via the power supply line L1, the communication line L2
The connection between the communication connection terminal T11 of the mobile phone 1 and the communication connection terminal T12 of the charger 2 via the mobile phone 1 is automatically disconnected, and the input of the charger ID signal to the mobile phone CPU 10 of the mobile phone 1 is also stopped. As a result, the mobile phone CPU 10
Starting from the time when the D signal is finally detected, the time counted by the timer 13 is reset, and the timer 13 is activated again, that is, the time of using the mobile phone is started. .

Next, as described above, the charging connection terminal T1 and the communication connection terminal T11 of the mobile phone 1, and the charging connection terminal T2 and the communication connection terminal T12 of the charger 2 via the power supply line L1 and the communication line L2. In a non-connection state in which the connection with the mobile phone is disconnected, when the usage time of the mobile phone being counted by the timer 13 of the mobile phone 1 elapses (time-up), the mobile phone CP detecting the time-up
U10 keeps the timer 13 inactive and controls the mobile phone function circuit 14 so that the above-described functions of the mobile phone function circuit, such as calling, calling response, talking, and using the timer 13 are used. Operations of various functions such as a change of time can be restricted.

Thereafter, the user of the mobile phone connects the charging connection terminal T1 of the mobile phone 1 and the charging connection terminal T2 of the charger 2 whose usage time has elapsed (time-up) based on the time measured by the timer 13 to the power supply line. When connection is made via L1, the communication connection terminal T11 of the mobile phone and the communication connection terminal T12 of the charger are automatically connected via the communication line L2, and the charging circuit 21 is activated again. The DC voltage from the charging circuit 21 is supplied to the charging unit 11 via the charging connection terminal T2, the power supply line L1, and the charging connection terminal T1 of the mobile phone 1 to start charging.
The connection signal from the connection detection circuit 22 which has detected the operation of the battery charger 24 is continuously transmitted to the charger CPU 20, and the charger memory 20 which has detected the connection signal controls the charger memory 24.
Is continuously transmitted to the mobile phone CPU 10 via the transmission circuit 23, the communication connection terminal T12, the communication line L2, and the reception circuit 12 of the mobile phone 1.

Further, the portable telephone CPU 10 of the portable telephone 1 to which the charger ID signal continuously transmitted from the charger 2 is input reads out the charger ID signal and the portable telephone memory 15 from the portable telephone memory 15 as described above. If the ID match signal is input based on the presence or absence of the ID match signal from the ID comparison circuit 16 which compares the received mobile phone ID number, the charging connection terminal T1 and the charging connection terminal T2 of the charger 2 are provided. Are connected via the power supply line L1, and the timer 13 is activated again, starting from the time when the charger ID signal is first detected, that is, using the mobile phone. By starting the time measurement and controlling the mobile phone function circuit 14, various functions of the mobile phone function circuit limited as described above, for example, calling, , Telephone call, to restore the operation of the various functions of the change of use time of the timer 13.

The charging connection terminal T1 and the communication connection terminal T11 of the mobile phone 1 are connected to the charging connection terminal T2 and the communication connection terminal T12 of the charger 2 via the power supply line L1 and the communication line L2. In this case, after operating the operation unit 14b that forms the mobile phone function circuit 14, the timer setting unit 14a sets an arbitrary time, and the timer 13 is controlled based on the control of the mobile phone CPU 10 that detects this setting. The set use time of the mobile phone can be changed.

[0035]

As is apparent from the above description, according to the portable telephone device of the present invention, when the portable telephone which has been charged from the charger is removed from the charger, the usage time of the portable telephone can be reduced. When the use time elapses (time-up), the operation of various functions of the mobile phone, such as calling, calling and answering, a call, and the above-described change of the use time, is restricted. In addition, it is possible to minimize the damage when the mobile phone is stolen or the like.

[Brief description of the drawings]

FIG. 1 is a functional block diagram showing a configuration of a mobile phone device according to one embodiment of the present invention.

FIG. 2 is a functional block diagram showing a configuration of a conventional mobile phone device.

[Description of Signs] 1... Mobile phone 2... Charger 10... Mobile phone CPU 11... Charger 13... Timer 14. · Cellular phone function circuit 14a · · · · · · Timer setting unit 15 · · · · Cellular phone memory 16 · · · · · · ID comparison circuit 20 · · · · · · Charger CPU 21 · · · · · · Charge circuit 22 ······ Connection detection circuit 23 ·········································· Charger memory T1, T2 ············ Charging connection terminal

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04B 7/26 109L

Claims (3)

[Claims] 1. A mobile phone user operates a charging connection terminal (T1) of a mobile phone (1) and a charging connection terminal (T2) of a charger (2).
Is connected to the charging circuit (2) of the charger.
A charging device for charging a charging unit (11) of the mobile phone from 1), wherein the mobile phone includes a timer (13) for measuring a usage time of the mobile phone; A mobile phone CPU (10) for controlling a mobile phone function circuit (14) for a call or the like when time measurement is completed by a timer, wherein the charger has a connection state when connected to the mobile phone; Connection detection circuit (22) for detecting that
And a transmission circuit (23) for transmitting a connection signal under the control of the charger CPU (20) when a connection is detected by the connection detection circuit. 2. The portable telephone and the charger each include a portable telephone memory (15) and a charger memory (24) in which IDs corresponding to one to one are stored. An ID for reading and comparing the ID from the mobile phone memory when receiving the ID sent from the charger memory when the charger is connected.
2. The mobile phone according to claim 1, further comprising a comparison circuit, and the mobile phone CPU for resetting the time measurement of the timer when the IDs compared by the ID comparison circuit match. Telephone equipment. 3. The portable telephone further comprises a timer setting section (14a) for changing a use time set in the timer when the charger is connected. The mobile phone device according to claim 1 or 2.