JPH1032651A - Missing prevention system for communication portable terminal equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the missing prevention system for the communication portable terminal equipment by which it is informed accurately and quickly when the communication portable terminal equipment is missing by preventing malfunction of an alarm device due to other radio wave than a radio wave from a destination communication portable terminal equipment or other noise or the like. SOLUTION: When a communication portable terminal equipment 10 sends periodically a signal to an alarm device 25, the alarm device 25 is not in operation and when the communication portable terminal equipment 10 does not periodically send a signal to the alarm device 25, the alarm device 25 is in operation to inform missing of the communication portable terminal equipment 10. Since the alarm device 25 confirms the destination communication portable terminal equipment 10, malfunction by other radio wave than a radio wave from a decided destination communication portable terminal equipment 10 and other noise or the like is prevented and when the communication portable terminal equipment 10 is missing, the alarm device 25 informs it accurately and quickly.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication terminal for preventing the loss of a mobile communication terminal such as a cellular phone or a PHS (simplified mobile phone) due to, for example, theft or misplacement. Related to the loss prevention method.

[0002]

2. Description of the Related Art Conventional methods for preventing loss of a communication portable terminal include, for example, whether the communication portable terminal has been lost due to the presence or absence of radio waves emitted from the communication portable terminal or the strength of the radio waves. There was a thing that the radio wave detector detected that it was moving away from one's own body and notified.

[0003]

However, in such a conventional method for preventing loss of a communication portable terminal,
The radio wave detector detects radio waves other than the radio waves from the communication portable terminal, or detects noise due to electromagnetic waves from computer equipment, etc. Even if it is lost and it cannot be emitting radio waves, there is a risk of malfunctioning that it is not possible to notify that it is lost.

Accordingly, the present invention prevents malfunction of the alarm device due to radio waves other than radio waves from the other party's communication portable terminal, other noises, etc., and accurately detects the loss of the communication portable terminal. A method for preventing loss of a communication portable terminal that can be notified promptly is provided.

[0005]

In order to solve the above-mentioned problems, the present invention provides a communication portable terminal capable of communicating with another communication terminal while moving via wireless communication with a base station; An alarm device that performs an alarm operation under confirmation of the other party via wireless communication with the communication portable terminal, and when a signal is periodically transmitted from the communication portable terminal to the alarm device. The invention is characterized in that the alarm device does not operate, and the alarm device operates when a signal is not periodically transmitted from the communication portable terminal to the alarm device.

[0006] According to the communication portable terminal loss prevention system having the above-described configuration, an alarm device separate from the communication portable terminal, which can confirm the communication portable terminal of the determined partner, is provided.
When the signal is not periodically transmitted from the communication portable terminal of the other party to the alarm device, the alarm device is activated to notify that the communication portable terminal has been lost. And since the alarm device can confirm the communication terminal of the communication partner of the other party, radio waves other than the radio wave from the communication mobile terminal of the other party of the other party, and preventing malfunction due to other noises,
If the communication portable terminal is lost, the alarm device can notify the fact accurately and quickly.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 and 2 are diagrams showing a loss prevention method for a communication portable terminal according to a first embodiment of the present invention.

[0008] A portable telephone (communication portable terminal) shown in FIG.
Reference numeral 10 denotes an antenna 12 for performing radio communication with a base station (not shown) by radio waves, and a main body circuit 14 connected to the antenna 12 for demodulating a signal transmitted from the base station via the antenna 12. Is connected to the main body circuit 14 to control each part of the mobile phone 10 to control the mobile phone 1
0 and a control unit 16 for operating the communication function.

Up to this point, the mobile phone 10 is the same as a normal mobile phone, but the mobile phone 10 according to the present embodiment has a remote control function of driving a small vibrator 25 as an alarm device by radio waves. . That is, the control unit 16 includes a vibrator communication circuit 18.
Is connected, and the vibrator communication circuit 18
6, the high frequency amplified ID signal is transmitted from the remote control antenna 20 to the small vibrator 25 by radio waves.

The small vibrator 25 is used for the portable telephone 10.
The radio wave from the remote control antenna 20 is received by the remote control antenna 27, the transmitted ID signal is high-frequency amplified by the high-frequency amplification circuit 29, detected by the data detection circuit 31, and the ID signal is detected. The detected ID data is input to the control unit 35. The control unit 35 compares the ID data from the data detection circuit 31 with the data stored in the memory 37, and when they match, operates the counter 39 to increment the count by one. The rotation of the motor 33, which is the driving source of the vibration operation of the vibrator 25, is started.

In the portable telephone 10 and the small vibrator 25 configured as described above, the portable telephone 10 transmits an ID signal to the small vibrator 25 by radio waves at regular intervals to notify its existence. Then, the small vibrator 25 is kept as it is while the ID signal comes at a constant period, and when the ID signal stops coming at a constant period, the whole small vibrator 25 is vibrated by rotating the motor 33, and A person can be notified that 10 has been lost. For this reason, if the mobile phone 10 is lost due to theft, misplacement, or the like, it can be notified to a person as quickly as possible, and the person can immediately start the action to investigate the cause of the loss and find it, realizing the possible discovery. can do.

A method for preventing the loss of the communication portable terminal will be described in detail with reference to the flowchart of FIG. The small vibrator 25 receives the radio wave of the ID signal transmitted from the remote control antenna 20 of the mobile phone 10 by the remote control antenna 27 (YES in step S1 in FIG. 2), amplifies the high frequency by the high frequency amplifying circuit 29, and detects the data. The ID signal is detected by detection by the circuit 31. The data detection circuit 31 inputs the data of the ID signal to the control unit 35. Then, the control unit 35 compares the ID data with the data in the memory 37 and determines whether or not they match.
That is, it is determined whether the ID signal is for the mobile phone 10 of the determined destination (step S2).

If the two data match (YES in step S2), the control unit 35 operates the counter 39 to increment the count by one (step S3). Next, it is determined whether a specified time has elapsed (step S4). If YES, the count at that time, that is, the number of ID signals received from the mobile phone 10 up to that time is larger than the specified number of times specified per specified time. It is determined whether the number is large (step S5). If the number is large, it can be determined that the mobile phone 10 is on hand, and if the number is small, it is determined that the cell phone 10 has been lost.

Therefore, if NO is determined in step S5 in FIG. 2, the control unit 35 rotates the motor 33 (step S6) to vibrate the small vibrator 25,
A person is notified that the mobile phone 10 has been lost. Then, when it is determined YES in step S5,
The controller 35 resets the count value of the counter 39 (step S7) and ends the operation. Thereafter, measurement of the next specified time is started again, and the same series of operation procedures as described above are repeated.

It should be noted that even if there is no operation in steps S1 to S3, the operation from step S4 is always performed. In this case, it is a case where the operation is obviously lost. (Step S6)
The small vibrator 25 is vibrated to notify a person that the mobile phone 10 has been lost.

FIGS. 3 and 4 are diagrams showing a loss prevention method for a portable communication terminal according to a second embodiment of the present invention. The mobile phone 40 of the communication portable terminal loss prevention system according to the second embodiment is provided with the loss prevention function selection section 42 in the mobile phone 10 of the first embodiment, and the small vibrator 25 is provided with an alarm device. In addition to being used as a mobile phone, the mobile phone 40 can also be used as an incoming call notifying device for notifying a person of an incoming call.

The operation of the communication portable terminal according to the present embodiment in the loss prevention system will be described with reference to the flowchart of FIG. The small vibrator 25 receives the radio wave of the ID signal transmitted from the remote control antenna 20 of the mobile phone 40 by the remote control antenna 27 (FIG. 4).
In step S1), the data detection circuit 31 detects the ID signal and inputs the data to the control unit 35. The control unit 35 stores the ID data from the data detection circuit 31 in the memory 3
Then, it is determined whether the ID data is for the mobile phone 40 of the determined destination (step S2).

If step S2 is YES, it is next determined whether the ID data is data for preventing loss (step S2).
3) If not (NO), it is determined that the data is for incoming call notification, and the small vibrator 25 is controlled to operate the incoming call notification function (step S4), and the processing ends.

If it is determined in step S3 that the signal data from the portable telephone 40 is data for preventing loss (YES), the control unit 35 operates the counter 39 to increment the count by one (step S5). ). Then, it is determined whether the specified time has elapsed (step S6). If YES, it is determined whether the number of receptions up to that point is greater than the specified number of times per specified time (step S7). 40 is on hand, and if it is small, it can be determined that it has been lost.

Accordingly, in FIG. 4, when it is determined NO in step S7, the control unit 35 rotates the motor 33 (step S8) to vibrate the small vibrator 25,
A person is notified that the mobile phone 40 has been lost. And when it is determined as YES in step S7,
The controller 35 resets the count value of the counter 39 (step S9) and ends the operation.

In the above embodiment, the alarm device for notifying a person that the portable communication terminal has been lost is as follows.
Although the case where the small vibrator 25 that notifies a person by vibration is used has been described, an alarm device that notifies a person that the communication portable terminal has been lost by voice, such as an alarm, may be used.

[0022]

As described above, according to the present invention, an alarm device separate from the communication portable terminal which can confirm the determined communication portable terminal of the other party is provided, and the communication portable terminal of the other party is provided. When the signal is no longer periodically transmitted to the alarm device, the alarm device is activated to notify that the communication portable terminal has been lost. Since the alarm device can check the communication mobile terminal of the other party, it prevents malfunctions due to radio waves other than radio waves from the determined communication mobile terminal of the other party and other noises, and the communication mobile terminal can be used. In case of loss, the alarm device can notify the person accurately and quickly of the loss.

When the alarm device and the incoming call notification device are used as in the second embodiment, the loss prevention function selector 42 of the mobile phone 40 is turned ON / OFF to prevent the loss. The function and the incoming call notification function can be used separately, and the operability of the communication portable terminal can be improved.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a circuit configuration of a mobile phone 10 and a small vibrator 25 according to a first embodiment of a communication portable terminal loss prevention system according to the present invention.

FIG. 2 is a flowchart showing an operation procedure of the small vibrator 25 in FIG.

FIG. 3 is a block diagram showing a circuit configuration of a mobile phone 40 and a small vibrator 25 according to a second embodiment of a communication portable terminal loss prevention system according to the present invention.

4 is a flowchart showing an operation procedure of the small vibrator 25 in FIG.

[Explanation of symbols]

 Reference Signs List 10 mobile phone 12 antenna 14 main body circuit 16 control unit 18 vibrator communication circuit 20, 27 remote control antenna 25 small vibrator 29 high frequency amplifier circuit 31 data detection circuit 33 motor 35 control unit 37 memory 39 counter 40 mobile phone 42 loss prevention function selection unit

Claims (4)

[Claims] 1. A communication portable terminal capable of communicating with another communication terminal while moving via wireless communication with a base station, and a destination via wireless communication with the communication portable terminal. Alarm device that performs an alarm operation under confirmation of the above, when the signal is periodically transmitted from the communication portable terminal to the alarm device, the alarm device does not operate, from the communication portable terminal The loss prevention system for a communication portable terminal, wherein the alarm device is activated when a signal is not periodically transmitted to the alarm device. 2. The method according to claim 1, wherein said alarm device operates by generating vibration. 3. The method according to claim 1, wherein the alarm device operates by generating a sound. 4. The system for preventing loss of a communication portable terminal according to claim 1, wherein the alarm device is also used as an incoming call notification device.