KR100672081B1 - Device and method for sending emergency call using residual current - Google Patents

Abstract

A device and a method for originating an emergency call by using residual current are provided to enable a controller to originate the emergency call by transmitting a short message, for notifying emergency, by using the residual current when it is determined that there is the residual current in a battery, thereby originating the emergency call for SOS in a state of emergency such as danger even when a normal call or service is impossible according as the power of a mobile communication terminal is cut off because the power of the terminal has come to cutoff voltage. A device for originating an emergency call comprises the followings: an input unit(205) in which a user inputs preset emergency call request information for origination of the emergency call; a residual current determiner(215) which determines whether there is residual current in a battery in correspondence with the emergency call request information; and a controller(250) which originates the emergency call by transmitting a short message, for notifying emergency, by using the residual current.

Description

Emergency calling device and method using residual current {DEVICE AND METHOD FOR SENDING EMERGENCY CALL USING RESIDUAL CURRENT}

1 is a block diagram of an emergency call system to which the present invention is applied.

2 is a block diagram of an emergency call apparatus using the residual current according to the present invention.

3 is a view showing an emergency call origination process using the residual current according to the present invention.

* Description of the symbols for the main parts of the drawings *

100: emergency call origination system 120: mobile communication network

110 and 160: mobile communication terminal 111 and 161: base station

112, 161: Mobile Exchange 130: Short Message Service Center (SMSC)

140: home location register (HLR) 150: disaster relief center

151: public telephone network (PSTN) 170: disaster relief server

171: Internet 200: emergency call originating device

205: input unit 210: power supply unit

215: residual current measuring unit 220: memory

225: audio unit 230: duplexer

235: transmitter 240: receiver

245: display unit 250: control unit

The present invention relates to an apparatus and method for making an emergency call using a mobile communication terminal, and more particularly, to an apparatus and method for making an emergency call using a residual current in a mobile communication terminal.

Due to the rapid development of the current mobile communication technology, the mobile communication terminal is not only providing a call function but also being developed to perform various additional functions. In addition, wireless Internet services combining mobile communication terminals and the Internet are becoming popular, and short message service (SMS), email (E-mail) transmission, and chatting are available using mobile communication terminals. .

Mobile communication terminals are compact and are easy to carry and are inexpensive. Since the mobile communication terminal is always portable, it is usefully used as an emergency rescue request in an emergency such as a danger or disaster. For example, the Republic of Korea Patent No. 379946 'Emergency call processing device and method using a mobile communication network to send emergency information to the emergency contact only by easy button operation of the mobile communication terminal to notify the emergency situation and In addition, an emergency call processing apparatus using a mobile communication network and a method for maintaining security by the silent / silent mode switching of the mobile communication terminal is disclosed. In addition, the Republic of Korea Patent Publication No. 2003-0056111 'emergency dialing method' stores emergency notification numbers in advance in the phone book, except for 119, 112, etc., which users can easily know from among the numbers directly necessary for life when the terminal is shipped. An emergency dialing method is disclosed, which allows a user to make a call easily in an emergency situation. In addition, the Republic of Korea Patent Publication No. 2003-0035428 'Automatic emergency call connection method of the mobile communication terminal' in the emergency call automatic connection method of the mobile communication terminal to automatically connect the user's emergency call to the nearest police station or fire station in the event of an emergency. Is disclosed. Furthermore, Korean Patent Laid-Open Publication No. 2001-0018493, 'Emergency Call Sending Method in Terminal', discloses a method for making an emergency call from a terminal so that a user can quickly and easily send a call according to a user's variable situation. .

As described above, a plurality of inventions have been disclosed for making an emergency call in an emergency situation using a mobile communication terminal. However, the foregoing inventions can only make emergency calls when the battery of the mobile communication terminal is sufficient to make a call. In general, when a mobile communication terminal falls below a constant cutoff voltage (eg, 3.3V in the case of a lithium-ion battery), which is a power source of a battery, the mobile terminal turns off the power for protection of an internal circuit. Therefore, according to the related art, when the power of the mobile communication terminal is cut off, there is a problem in that an emergency call cannot be made even in an emergency situation.

An object of the present invention for solving the above problems is to make an emergency call for emergency rescue request in emergency or dangerous situation even when the power of the mobile communication terminal reaches the cutoff voltage and the power is cut off. It is to provide an apparatus and method that can be.

In the mobile communication terminal according to the present invention for achieving the above object, an apparatus for making an emergency call, the input unit for inputting emergency call request information for emergency call transmission from the user; Residual current determination unit for determining whether the remaining current of the battery in response to the emergency call request information; And if it is determined that the residual current exists in the battery by the residual current determining unit, a control unit for transmitting an emergency call using the residual current.

In addition, in the mobile communication terminal according to the present invention for achieving the above object, a method for calling an emergency call, the first step of receiving predetermined emergency call request information for emergency call transmission from the user; A second step of determining whether a battery current remains in response to the emergency call request information; And if it is determined that a residual current exists in the battery, a third step of making an emergency call using the residual current.

In addition, the recording medium recording the computer program according to the present invention for achieving the above object, the mobile communication terminal, the first step of receiving the emergency call request information for emergency call transmission from the user; A second step of determining whether a battery current remains in response to the emergency call request information; And if it is determined that a residual current exists in the battery, recording a program for causing the computer to execute a third step of making an emergency call using the residual current.

DETAILED DESCRIPTION A detailed description of preferred embodiments of the present invention will now be described with reference to the accompanying drawings. It should be noted that reference numerals and like elements among the drawings are denoted by the same reference numerals and symbols as much as possible even though they are shown in different drawings. In the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 is a block diagram of an emergency call system to which the present invention is applied.

Referring to FIG. 1, the emergency call origination system 100 to which the present invention is applied includes a mobile communication terminal 110, a base station 111, 161, a mobile switch 112, 161, and a short message connected to a mobile communication network 120. A Short Message Service Center (SMSC) 130 and a Home Location Register (HLR) 140. The mobile communication terminal 110 is a disaster relief center 150 connected to a public switched telephone network (PSTN) 151, a disaster relief mobile communication terminal 160 connected to a mobile communication network 120, and the Internet 171. It can be connected to the disaster relief server 170 connected to.

The mobile communication terminal 110 according to the present invention is an emergency rescue system 150, 160, 170 in charge of disaster rescue by using the residual current present in the internal battery even when the internal power source is cut off and cut off. I can make a phone call. The mobile communication terminal 110 may not only make a voice call connection to the disaster relief system 150, 160, 170 by using the residual current, but also send a short message (SMS) to manage an emergency situation. You can inform.

First, the mobile communication terminal 110 is a portable device such as a mobile phone or a personal digital assistant (PDA), and is equipped with software for processing a short message (SMS), and is capable of transmitting and receiving a short message (SMS).

The base station (111, 161) is a network termination device that is directly connected to the mobile communication terminal (110, 160) for transmitting and receiving wireless signals. The mobile switching centers 112 and 162 are connected to the base stations 111 and 161 to perform call processing and relay functions for the mobile communication terminals 110 and 160.

The short message service center (SMSC) 130 performs functions such as storing, routing, forwarding, and re-delivery of the short message SMS.

The home location register (HLR) 140 records and stores location information for a mobile communication service subscriber and provides subscriber information. The subscriber information includes a mobile identification number (MIN), an electronic serial number (ESN), and registered service information of the mobile communication terminals 110 and 160. The home location register (HLR) 140 is the location of the mobile communication terminal 100 to the disaster relief system 150, 161, 170 when the mobile communication terminal 100 makes an emergency call according to the present invention. Information can be provided.

The IWF / PSDN 172 functions to connect the mobile communication network 120 and the Internet 171.

2 is a block diagram of an emergency call apparatus using the residual current according to the present invention.

2, the emergency call apparatus 200 according to the present invention is formed in the mobile communication terminal 110, and includes an input unit 205, a power supply unit 210, a residual current measurement unit 215, and a memory 220. , An audio unit 225, a duplexer 230, a transmitter 235, a receiver 240, a display 245, and a controller 250.

The input unit 205 includes a plurality of key buttons, and predetermined emergency call request information and short message SMS for emergency call transmission are input by a user.

The power supply unit 210 is connected to a battery for supplying current to the emergency call transmitter 200 to provide power for the operation of the emergency call transmitter 200.

The residual current measuring unit 215 is a supply voltage of the power supply unit 210 reaches a predetermined cutoff voltage (for example, 3.3V in the case of a lithium-ion battery), the power of the mobile communication terminal 100 is cut off ( Even if it is off, when the emergency call request information is input by the user through the input unit 205, it functions to determine whether residual current remains in the battery in response to the emergency call request information.

The memory 220 stores data input and output when a general operation of the mobile communication terminal 110 is performed by a program and a controller 250 for controlling the overall operation of the mobile communication terminal 110 in a predetermined area. do. In addition, the memory 200 stores information on an emergency phone number preset by a user for emergency call transmission and information on a short message (SMS) to be transmitted when the emergency call is sent.

The audio unit 225 converts an analog voice signal input through a microphone MIC into a digital signal under the control of the control unit 20. In addition, the audio unit 225 converts a wireless signal received through the receiver 240 into an analog signal and transmits the analog signal as a voice signal to the speaker SPK.

The duplexer 230 communicates with a base station (not shown) through an antenna ANT and separates a signal transmitted and received.

The transmitter 235 filters and amplifies the information input to the input unit 205 and the digital signal provided from the audio unit 225 and transmits the amplified signal through the duplexer 230 through the antenna AT.

The receiver 240 receives a radio signal separated by the duplexer 230, and amplifies, filters, and outputs the weak received signal.

The display unit 245 visually displays information transmitted and received to the mobile communication terminal 100 and information input by a user.

The controller 250 controls the overall operation of the mobile communication terminal 100 according to the present invention. When the residual current is determined by the residual current determining unit 215, the controller 250 uses the residual current. To make an emergency call. Here, the residual current refers to the current present in the battery below the cutoff power supply of the battery. In the present invention, the control unit 250 continuously attempts to send the emergency call until the remaining current of the battery is exhausted.

In the present invention, the existing emergency telephone numbers, such as 119, 112, 113, are stored in the memory 220. In addition, when the user requests an emergency call, the plurality of emergency phone numbers are displayed on the display unit 245 so that the user can make an emergency call to a desired number among the emergency phone numbers. In addition, in the present invention, after the user sets a priority (for example, first priority: 119, second priority: 112, third priority: 113) to the plurality of emergency call numbers in advance, if the user requests an emergency call, It can also be configured to make emergency calls to the highest priority emergency number.

In addition, the conventional mobile communication terminal 100 attempts to turn on the power by using a power key (for example, an end key) that turns the power on / off again when the battery reaches the cutoff voltage and is turned off (off). on) Power will not turn on even if attempted, or will turn off immediately. On the other hand, in the present invention, even when the power of the emergency call sending device 200 reaches the cutoff and the power is turned off, the user may turn on the power of the emergency call sending device 200 to send an emergency call at booting time. Recognizing that emergency call request information using the residual current is input according to the present invention by pressing a power key (for example, an end key) and a predetermined predetermined key button (for example, a call key) to turn on / off can do. In addition, in the present invention, when the user wants to make an emergency call, a specific number string (for example, predetermined for a emergency call) is made within a predetermined time (for example, 3 seconds) after booting by pressing a power key. According to the present invention, the emergency call request information using the residual current may be recognized by pressing '0000').

In addition, in the present invention, even if the user is set in the software so that the user can use his mobile terminal 100 only when a predetermined password is entered into the mobile terminal 100, the emergency call according to the present invention If you do not want to enter a password, it is desirable to set up so that emergency calls can be made.

In addition, in the present invention, when the user requests an emergency call, the user may send a short message (SMS) predetermined by the user to report an emergency situation, or may be configured to directly notify the emergency situation by attempting to connect a voice call.

3 is a view showing an emergency call transmission process using the residual current according to the present invention.

Referring to FIG. 3, first, when an emergency occurs, when a battery of the emergency call transmitter 200 reaches the cutoff power and the power is cut off, the user makes an emergency call using a residual current according to the present invention. In order to make a call, the emergency call request information set in advance is input to the input unit 225 (S310). The emergency call request information may be input by simultaneously pressing a power key and a predetermined key button during booting when the battery of the mobile communication terminal reaches the cutoff voltage and is cut off. In addition, the emergency call request information may be input by pressing a specific number string within a predetermined time after booting by pressing a power key.

Then, the residual current measuring unit 215 determines whether there is a residual current of the battery in response to the emergency call request information (S320).

As a result of the determination in step S320, when a residual current exists in the battery, an emergency call transmission attempt may be made by transmitting a short message SMS or attempting to connect a voice call by the user (S330 to). S360).

First, when a user wants to notify an emergency situation by sending a short message (SMS), the user inputs a string to be transmitted when an emergency occurs directly by the user's selection and transmits a short message (SMS) (S340), or The terminal operator may transmit a basic string stored in the memory 220 for emergency call transmission (S350). If the user wants to make a direct voice call with the disaster relief systems 150, 161 and 170, the steps S330 to S350 may be omitted, and the voice call is immediately attempted (S360).

As described above, after the emergency call is attempted, the emergency call originating apparatus 200 according to the present invention determines whether the emergency call is successful (S370). If not, continues to try to send emergency calls until all the remaining current is exhausted (S380). As a result of the determination in the steps S320 and S380, when all the remaining current is exhausted in the internal battery, it is no longer possible to continue attempting to make an emergency call and the procedure ends.

According to the present invention, a method for making an emergency call using a residual current in a mobile communication terminal can be embodied as computer readable codes on a computer readable recording medium. The computer-readable recording medium includes all kinds of recording devices in which data that can be read by a computer system is stored. Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, and the like, and also include those implemented in the form of carrier waves such as transmission over the Internet. The computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the claims below, but also by those equivalent to the claims.

According to the present invention as described above, even when the power of the mobile communication terminal reaches a cutoff voltage and the power is cut off so that normal calls or services cannot be used, an emergency rescue request may be made in an emergency such as danger or disaster. There is an advantage to making an emergency call.

Claims (13)

In a mobile communication terminal, an apparatus for making an emergency call, An input unit for inputting preset emergency call request information for emergency call transmission from a user; Residual current determination unit for determining whether the remaining current of the battery in response to the emergency call request information; And If it is determined that the residual current is present in the battery by the residual current determination unit, emergency call out characterized in that it comprises a control unit for sending an emergency call by sending a short message to inform the emergency situation using the residual current Device. The emergency call apparatus according to claim 1, wherein the residual current is a current present in the battery below the cutoff power of the battery. According to claim 1, wherein the control unit transmits a short message informing of an emergency situation, and continues to try to make an emergency call for voice call connection until the remaining current of the battery is exhausted. Device. The method of claim 1, wherein the preset emergency call request information is input by simultaneously pressing a power key and a predetermined key button during booting when the battery of the mobile communication terminal reaches a cutoff voltage and is cut off. Emergency call out device. The emergency call apparatus according to claim 1, wherein the preset emergency call request information is input by pressing a specific number string within a predetermined time after booting by pressing a power key. delete In the mobile communication terminal, a method for making an emergency call, A first step of receiving preset emergency call request information for emergency call transmission from a user; A second step of determining whether a battery current remains in response to the emergency call request information; And If it is determined that there is a residual current in the battery, the emergency telephone call method comprising the step of sending an emergency call by sending a short message informing the emergency situation using the residual current. 8. The method of claim 7, wherein the remaining current is a current present in the battery below the cutoff power of the battery. 8. The method of claim 7, wherein the third step continues to attempt the emergency call until the remaining current of the battery is exhausted. The method of claim 7, wherein the preset emergency call request information is input by simultaneously pressing a power key and a predetermined key button during booting when the battery of the mobile communication terminal reaches a cutoff voltage and is cut off. How to make an emergency call. The method of claim 7, wherein the preset emergency call request information is input by pressing a specific number string within a predetermined time after booting by pressing a power key. 8. The method of claim 7, wherein the emergency call is made by attempting to connect a voice call or by sending a short message. A recording medium on which a computer program is recorded. A first step of receiving, by the user, preset emergency call request information for emergency call transmission from a user; A second step of determining whether a battery current remains in response to the emergency call request information; And When it is determined that there is a residual current in the battery, a computer program is recorded that records a program for causing the computer to execute a third step of making an emergency call by transmitting a short message informing of an emergency using the residual current. Record carrier.

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