KR20010077068A - Handphone having the function fo gps - Google Patents

Handphone having the function fo gps Download PDF

Info

Publication number
KR20010077068A
KR20010077068A KR1020000004624A KR20000004624A KR20010077068A KR 20010077068 A KR20010077068 A KR 20010077068A KR 1020000004624 A KR1020000004624 A KR 1020000004624A KR 20000004624 A KR20000004624 A KR 20000004624A KR 20010077068 A KR20010077068 A KR 20010077068A
Authority
KR
South Korea
Prior art keywords
gps
signal
unit
telephone number
mobile communication
Prior art date
Application number
KR1020000004624A
Other languages
Korean (ko)
Inventor
윤영주
Original Assignee
윤영주
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 윤영주 filed Critical 윤영주
Priority to KR1020000004624A priority Critical patent/KR20010077068A/en
Priority to KR2020000002705U priority patent/KR200188857Y1/en
Publication of KR20010077068A publication Critical patent/KR20010077068A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/26—Government or public services
    • G06Q50/265—Personal security, identity or safety
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/50—Connection management for emergency connections

Abstract

PURPOSE: A mobile communication terminal having a position confirming function is provided which is able to inform a police station, fire station or emergency organizations of emergent situations rapidly and accurately when the emergent situations occur. CONSTITUTION: A mobile communication terminal having a position confirming function includes a keyboard(10) through which a user inputs a telephone number and emergency code number, and a transmitter and receiver(20) by which an electric voice signal and acoustic voice signal can be converted into each other for speaking with the subscriber having the telephone number. The terminal further has a mobile communication processor(15) requests call connection based on the telephone number, generates a GPS signal based on the emergency code number and processes calls between the transmitter and receiver. The terminal also has a transceiver(25) for transmitting one of the telephone number and emergency code number to an aerial line and receiving a calling signal from the outside, a GPS interface(30) for converting the GPS signal into a signal according to GPS protocol, and a GPS transmitter(35) for transmitting the output signal of the GPS interface to an artificial satellite.

Description

위치확인기능을 갖는 이동통신단말기{HANDPHONE HAVING THE FUNCTION FO GPS}Mobile communication terminal with positioning function {HANDPHONE HAVING THE FUNCTION FO GPS}

본 발명은 위치확인기능을 갖는 이동통신단말기에 관한 것으로, 보다 상세하게는 임의의 한 이동통신기기의 위치를 타의 통신시스템에서 파악할 수 있도록 한 위치확인기능을 갖는 이동통신단말기에 관한 것이다.The present invention relates to a mobile communication terminal having a location function, and more particularly, to a mobile communication terminal having a location function so that the location of any one mobile communication device can be recognized by another communication system.

일반적으로, 이동통신기기는 핸드폰과, 호출기로 구분되며, 특히 핸드폰은 1.8GHz의 주파수대역을 사용하는 개인휴대통신 서비스를 위한 것으로써, 신속한 정보수용을 위하여 통신기기의 수요가 점차적으로 증가하고 있는 추세이다. 이는 가입자의 개인 전화번호가 설정되어 있으며, 그 가입자가 언제 어디서든지 또는 이동하면서도 일반전화는 물론 타 개인휴대통신기기와 전화접속하여 편리하고 신속하게 메세지를 전달할 수 있어서 그 활용도가 급격하게 넓혀져 가는 경향이 있다.In general, mobile communication devices are classified into mobile phones and pagers. In particular, mobile phones are for personal mobile communication services using a frequency band of 1.8 GHz, and demand for communication devices is gradually increasing for prompt information reception. It is a trend. The subscriber's personal phone number is set, and the subscriber can access the phone with other personal mobile communication devices as well as other phones anytime, anywhere, and conveniently and quickly to deliver a message. There is a tendency.

이와 같은 이동통신기기는 긴급한 상황이 발생될 경우에 즉 화재가 발생될 경우, 강도가 침입하였을 경우, 주요인사 또는 유아의 납치 및 유괴되었을 경우 전화을 걸어 현 위치를 알려줄 수 없는 각각의 상황에서 적절하게 대처할 수 없어 신속하게 대처해야 할 위급한 상황에 즉각적인 사태의 해결을 불가능하게 하는 문제점이 있다.Such a mobile communication device is appropriate in each situation where an emergency situation occurs, i.e. a fire breaks out, a robbery invades, a key person or an infant is kidnapped or abducted, and cannot call and tell the current location. There is a problem in that it is impossible to solve the immediate situation in an emergency situation that cannot be dealt with promptly.

본 발명은 상기와 같은 문제점을 해결하기 위해 안출한 것으로, 화재의 발생, 강도의 침입, 주요인사 또는 유아의 납치 및 유괴 등의 긴급한 상황하에서 즉각적으로 경찰서나 소방서 또는 긴급연락처에게로 신속, 정확하게 긴급상황을 알려줄 수 있도록 한 위치확인기능을 갖는 이동통신단말기를 제공하는데, 그 목적이 있다.The present invention has been made to solve the above problems, promptly and accurately emergency to the police station, fire department or emergency contact immediately under the urgent situation, such as the occurrence of fire, invasion of robbery, abduction and abduction of the main personnel or infants To provide a mobile communication terminal having a positioning function to inform the situation, the purpose is to.

도 1은 본 발명에 따른 이동통신단말기를 나타낸 블록도이고,1 is a block diagram showing a mobile communication terminal according to the present invention,

도 2는 본 발명에 따른 GPS위치확인을 위한 설명도면을 나타낸 블록구성도이다.Figure 2 is a block diagram showing an explanatory drawing for GPS positioning according to the present invention.

- 도면의 주요부분에 따른 부호의 설명 --Explanation of the symbols according to the main part of the drawing-

10 ; 키보드부 15 ; 이동통신처리부10; Keyboard section 15; Mobile communication processing unit

20 ; 송수화부 25 ; 송수신부20; Handset 25; Transceiver

30 ; GPS인터페이스부 35 ; GPS송신부30; GPS interface unit 35; GPS transmitter

50 ; GPS신호해독부 60 ; 분석 및 위치산출부50; GPS signal decoding unit 60; Analysis and location calculation

70 ; GPS표시부 80 ; 경고부70; GPS indicator 80; Warning

상기 목적은, 본 발명에 따라, 사용자가 통화를 원하는 가입자 전화번호와 긴급코드번호를 입력하는 키보드부와, 상기 전화번호의 가입자와 통화하기 위한 전기적인 음성신호와 청각적인 음성신호가 상호 변환가능하게 하는 송수화부를 갖는 위치확인기능을 갖는 이동통신단말기에 있어서, 상기 키보드부의 전화번호에 기초하여 호접속을 요구하고 상기 긴급코드번호에 기초하여 GPS신호를 발생시키며, 상기 송수화부 상호간의 통화음을 처리하는 이동통신처리부와, 상기 가입자 전화번호와 상기 긴급코드번호 중 어느 하나를 공중선으로 송신하고 외부로부터 통화신호를 수신하는 송수신부와, 상기 GPS신호를 GPS프로토콜에 따른 신호로 변환하는 GPS인터페이스부와, 상기 GPS인터페이스부의 출력신호를 인공위성으로 송신하는 GPS송신부를 포함하는 위치확인기능을 갖는 이동통신단말기에 의해 달성된다.According to the present invention, a keyboard unit for inputting a subscriber's telephone number and an emergency code number that a user wants to talk with, and an electrical voice signal and an audio signal for talking with a subscriber of the telephone number can be mutually converted. In a mobile communication terminal having a positioning function having a handset, the mobile communication terminal requests a call connection based on the telephone number of the keyboard and generates a GPS signal based on the emergency code number. A mobile communication processing unit for processing, a transmitting and receiving unit for transmitting any one of the subscriber's telephone number and the emergency code number to the aerial and receiving a call signal from the outside, and a GPS interface unit for converting the GPS signal into a signal according to the GPS protocol And a GPS transmitter for transmitting the output signal of the GPS interface unit to the satellite. It is achieved by a mobile communication terminal having a check function.

또한, 상기 인공위성에서 중계된 신호를 GPS프로토콜에 따라 상기 GPS인터페이스부의 출력신호인 GPS신호로 해독하는 GPS해독부와, 상기 GPS신호에 따라 GPS위치를 분석하고 그 분석에 기초하여 단말기의 위치데이타를 산출하는 분석 및 위치산출부와, 상기 위치데이타를 사용자가 시각적으로 표시하는 GPS표시부를 포함하는 것이 바람직하다.In addition, the GPS decoding unit for decoding the signal relayed by the satellite to the GPS signal output signal of the GPS interface unit in accordance with the GPS protocol, and analyzes the GPS position in accordance with the GPS signal and based on the analysis of the position data of the terminal It is preferable to include an analysis and position calculation unit for calculating, and a GPS display unit for visually displaying the position data by the user.

또한, 상기 위치데이타를 인식하여 사용자에게 청각적으로 경고음을 발생하는 경고부를 더 포함하는 것이 바람직하다.The apparatus may further include a warning unit that recognizes the location data and generates an audible warning sound to the user.

이하, 첨부된 도면을 참조하여 본 발명에 따른 위치확인기능을 갖는 이동통신단말기를 상세하게 설명하면 다음과 같다. 도 1은 본 발명에 따른 이동통신단말기를 나타낸 블록도이고, 도 2는 본 발명에 따른 GPS위치확인을 위한 설명도면을 나타낸 블록구성도이다.Hereinafter, a mobile communication terminal having a positioning function according to the present invention will be described in detail with reference to the accompanying drawings. 1 is a block diagram showing a mobile communication terminal according to the present invention, Figure 2 is a block diagram showing an explanatory drawing for GPS positioning according to the present invention.

본 이동통신단말기는 도 1에 도시된 바와 같이, 사용자가 통화를 원하는 가입자 전화번호와 긴급코드번호를 입력하는 키보드부(10)와, 상기 전화번호의 가입자와 통화하기 위한 전기적인 음성신호와 청각적인 음성신호가 상호 변환가능하게 하는 즉 타 이동통신기기로부터 수신되는 타인의 음성을 사용자에게 청각적으로 들려주고, 사용자의 음성을 타 이동통신기기에게로 송신가능하게 전기적인 신호로 변환하는 송수화부(20)를 가지고 있다.As shown in FIG. 1, the mobile communication terminal includes a keyboard unit 10 for inputting a subscriber's telephone number and an emergency code number to which the user wants to talk, and an electrical voice signal and an audio signal for talking with a subscriber of the telephone number. Handset unit that enables the mutual voice signal to be mutually converted, that is, to audibly hear the voice of another person received from another mobile communication device and to convert the user's voice into an electrical signal for transmission to other mobile communication devices Has 20

또한, 상기 키보드부(10)의 전화번호에 기초하여 호접속을 요구하고 상기 긴급코드번호에 기초하여 GPS신호를 발생시키며, 상기 송수화부(20)의 송신음성을 전기적인 송신신호로 수신신호를 수신음성으로 처리하는 이동통신처리부(15)를 더 포함한다. 상기 이동통신처리부(15)에는 상기 가입자 전화번호와 상기 긴급코드번호 중 어느 하나를 공중선으로 송신하고 외부의 타 이동통신기기로부터 통화신호를 수신하는 송수신부(25)가 연결되어 있다.In addition, a call connection is requested on the basis of the telephone number of the keyboard unit 10, and a GPS signal is generated based on the emergency code number, and the received voice is transmitted as an electrical transmission signal. It further comprises a mobile communication processor 15 for processing the received voice. The mobile communication processor 15 is connected to a transceiver 25 that transmits one of the subscriber's telephone number and the emergency code number to an aerial line and receives a call signal from another external mobile communication device.

상기 이동통신처리부(15)는 특히 사용자로부터 발생하는 긴급코드번호를 인식하여 인공위성의 위치확인용 GPS신호를 생성한다. 상기 이동통신처리부(15)에는 상기 위치확인용 GPS신호를 GPS프로토콜에 따른 신호로 변환하는 GPS인터페이스부(30)가 연결되어 있으며, 상기 GPS인터페이스부(30)에는 이의 출력신호를 GPS전용 인공위성(100)으로 송신하기 위하여 초고주파로 합성하고 소정의 이득으로 전력을 증폭하는 GPS송신부(35)가 연이어 연결되어 있다.The mobile communication processor 15 recognizes an emergency code number generated from a user, and generates a GPS signal for positioning a satellite. The mobile communication processing unit 15 is connected to the GPS interface unit 30 for converting the GPS signal for positioning into a signal according to the GPS protocol, and the GPS interface unit 30 outputs its output signal to a GPS-only satellite ( GPS transmitters 35 are synthesized in order to transmit at 100) and amplify power with a predetermined gain.

이와 같이 인공위성(100)으로 송신된 신호는 GPS프로그램에 기초하여 상기 송신위치를 정확하게 산출하여 지상으로 다시 송신된다. 지상에서는 도 2에 도시된 바와 같은 경찰기관의 지령실 또는 공공기관의 관제실에서 상기 GPS신호를 통제한다. 즉. 상기 인공위성(100)으로부터의 위성신호를 GPS프로토콜에 따라 특정 주파수를 갖는 상기 GPS인터페이스부(30)의 출력신호인 GPS신호로 해독하는 GPS해독부(50)와, 상기 GPS신호에 따라 GPS위치를 GPS맵(MAP)에 따른 위치로 분석하고 그 분석에 기초하여 단말기의 위치데이타를 산출하는 분석 및 위치산출부(60)와, 상기 위치데이타를 상기 GPS맵에 해당하는 상세지도에 사용자가 시각적으로 인식할 수 있도록 표시하는 GPS표시부(70)를 갖는다. 이 때, 상기 위치데이타를 인식하여 청각적으로 경고음을 발생하는 경고부(80)에 의해서 사용자 즉 경관 소방관에게 알려준다.In this way, the signal transmitted to the satellite 100 is accurately calculated based on the GPS program and transmitted again to the ground. On the ground, the GPS signal is controlled in a command room of a police agency or a control room of a public agency as shown in FIG. 2. In other words. A GPS decoding unit 50 for decoding the satellite signal from the satellite 100 into a GPS signal which is an output signal of the GPS interface unit 30 having a specific frequency according to the GPS protocol, and a GPS position according to the GPS signal. Analysis and location calculation unit 60 for analyzing the location according to the GPS map (MAP) and calculating the location data of the terminal based on the analysis, and the user visually on the detailed map corresponding to the GPS map It has a GPS display unit 70 for displaying so that it can be recognized. At this time, by the warning unit 80 that recognizes the location data and generates an audible warning sound, it informs the user, that is, a landscape firefighter.

본 발명은 화재의 발생, 강도의 침입, 주요인사 또는 유아의 납치 및 유괴 등의 긴급한 상황하에서 즉각적으로 경찰서나 소방서에게로 신속, 정확하게 긴급상황을 알려줄 수 있기 때문에 경찰서나 소방서 및 긴급연락처에서 완벽한 계획하에 강도와 유괴 및 납치범을 신속하게 괴멸시켜 체포할 수 있으며, 또는 초기화재를 신속하게 진압하여 재산과 인명피해를 줄일 수 있는 효과가 있다.The present invention is a perfect plan at the police station, fire department and emergency contact because it can promptly and accurately notify the police station or the fire department immediately under the urgent situation such as the occurrence of fire, the invasion of robbery, the abduction and abduction of a major person or infant. Under the effects of the robbery, kidnapping and kidnapping can be quickly destroyed and arrested, or the suppressor can be put down quickly to reduce property and casualties.

Claims (3)

사용자가 통화를 원하는 가입자 전화번호와 긴급코드번호를 입력하는 키보드부와, 상기 전화번호의 가입자와 통화하기 위한 전기적인 음성신호와 청각적인 음성신호가 상호 변환가능하게 하는 송수화부를 갖는 위치확인기능을 갖는 이동통신단말기에 있어서;Positioning function having a keyboard unit for inputting the subscriber's telephone number and emergency code number that the user wants to call, and a handset unit for converting the electrical voice signal and the audio signal to communicate with the subscriber of the telephone number. In the mobile communication terminal having a; 상기 키보드부의 전화번호에 기초하여 호접속을 요구하고 상기 긴급코드번호에 기초하여 GPS신호를 발생시키며, 상기 송수화부 상호간의 통화음을 처리하는 이동통신처리부와;A mobile communication processor for requesting a call connection based on the telephone number of the keyboard unit, generating a GPS signal based on the emergency code number, and processing a call sound between the handset units; 상기 가입자 전화번호와 상기 긴급코드번호 중 어느 하나를 공중선으로 송신하고 외부로부터 통화신호를 수신하는 송수신부와;A transmission and reception unit which transmits one of the subscriber's telephone number and the emergency code number to an aerial line and receives a call signal from the outside; 상기 GPS신호를 GPS프로토콜에 따른 신호로 변환하는 GPS인터페이스부와;A GPS interface unit for converting the GPS signal into a signal according to a GPS protocol; 상기 GPS인터페이스부의 출력신호를 인공위성으로 송신하는 GPS송신부를 포함하는 것을 특징으로 하는 위치확인기능을 갖는 이동통신단말기.And a GPS transmitter for transmitting an output signal of the GPS interface unit to a satellite. 제1항에 있어서;The method of claim 1; 상기 인공위성에서 중계된 신호를 GPS프로토콜에 따라 상기 GPS인터페이스부의 출력신호인 GPS신호로 해독하는 GPS해독부와;A GPS decoding unit for decoding the signal relayed from the satellite into a GPS signal which is an output signal of the GPS interface unit according to a GPS protocol; 상기 GPS신호에 따라 GPS위치를 분석하고 그 분석에 기초하여 단말기의 위치데이타를 산출하는 분석 및 위치산출부와;An analysis and location calculation unit for analyzing a GPS location according to the GPS signal and calculating location data of the terminal based on the analysis; 상기 위치데이타를 사용자가 시각적으로 표시하는 GPS표시부를 포함하는 것을 특징으로 하는 위치확인기능을 갖는 이동통신단말기.And a GPS display unit for visually displaying the location data by a user. 제2항에 있어서;The method of claim 2; 상기 위치데이타를 인식하여 사용자에게 청각적으로 경고음을 발생하는 경고부를 더 포함하는 것을 특징으로 위치확인기능을 갖는 이동통신단말기.And a warning unit that recognizes the location data and generates an audible warning sound to the user.
KR1020000004624A 2000-01-31 2000-01-31 Handphone having the function fo gps KR20010077068A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020000004624A KR20010077068A (en) 2000-01-31 2000-01-31 Handphone having the function fo gps
KR2020000002705U KR200188857Y1 (en) 2000-01-31 2000-02-01 Handphone having the function fo gps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020000004624A KR20010077068A (en) 2000-01-31 2000-01-31 Handphone having the function fo gps

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR2020000002705U Division KR200188857Y1 (en) 2000-01-31 2000-02-01 Handphone having the function fo gps

Publications (1)

Publication Number Publication Date
KR20010077068A true KR20010077068A (en) 2001-08-17

Family

ID=19643005

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020000004624A KR20010077068A (en) 2000-01-31 2000-01-31 Handphone having the function fo gps

Country Status (1)

Country Link
KR (1) KR20010077068A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100450869B1 (en) * 2001-11-14 2004-10-01 트라텍정보통신 주식회사 Relief terminal device
CN104100844A (en) * 2013-04-11 2014-10-15 广州杰赛科技股份有限公司 Communication portable flashlight

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06188819A (en) * 1992-12-21 1994-07-08 Toyo Commun Equip Co Ltd Position detecting system
US5781540A (en) * 1995-06-30 1998-07-14 Hughes Electronics Device and method for communicating in a mobile satellite system
WO1998058273A1 (en) * 1997-06-17 1998-12-23 Motorola, Inc. Gps based search and rescue transceiver
KR19990010642A (en) * 1997-07-18 1999-02-18 조희재 Global Positioning System Using Telephony Network
KR19990079164A (en) * 1998-04-02 1999-11-05 이계철 Location Information Providing System and Method Using Mobile Communication Network
US5982322A (en) * 1992-03-04 1999-11-09 Motorola, Inc. Position locating rescue transceiver

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5982322A (en) * 1992-03-04 1999-11-09 Motorola, Inc. Position locating rescue transceiver
JPH06188819A (en) * 1992-12-21 1994-07-08 Toyo Commun Equip Co Ltd Position detecting system
US5781540A (en) * 1995-06-30 1998-07-14 Hughes Electronics Device and method for communicating in a mobile satellite system
WO1998058273A1 (en) * 1997-06-17 1998-12-23 Motorola, Inc. Gps based search and rescue transceiver
KR19990010642A (en) * 1997-07-18 1999-02-18 조희재 Global Positioning System Using Telephony Network
KR19990079164A (en) * 1998-04-02 1999-11-05 이계철 Location Information Providing System and Method Using Mobile Communication Network

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100450869B1 (en) * 2001-11-14 2004-10-01 트라텍정보통신 주식회사 Relief terminal device
CN104100844A (en) * 2013-04-11 2014-10-15 广州杰赛科技股份有限公司 Communication portable flashlight

Similar Documents

Publication Publication Date Title
US6839552B1 (en) System and method for reporting an emergency situation
CN101595712B (en) Urgent call misappropriation prevention system and method using wireless communications
US20020085703A1 (en) Facility and method for cellular data communication between hearing impaired users and emergency service centers
JP3644325B2 (en) Mobile communication system and mobile communication apparatus
KR101814171B1 (en) Emergency call system using speech recognition
WO2008048758A2 (en) Detection and control of remote speakerphone use, and annunciation of local speakerphone use
JP2001291180A (en) Device for reporting relief request
KR20090113645A (en) System and method for notice of emergency thereof, a emergency calling system and emergency calling method thereof
JP4273068B2 (en) Emergency notification system and notification method
KR200188857Y1 (en) Handphone having the function fo gps
CA2955697C (en) Improved mobile personal emergency response system and method of use
JP2014099675A (en) Emergency notification system for hearing-impaired persons and the like
US20080030350A1 (en) Cell phone panic button
KR20010077068A (en) Handphone having the function fo gps
KR100827157B1 (en) Device and method for positioning of wireless terminal
US20020107005A1 (en) Apparatus and method for notifyng a user of public place behavior in a mobile telecommunication system
RU2259595C1 (en) System for generating alarm messages and determining position
JP2011004312A (en) Communication device and communication system
KR20050011612A (en) Emergency rescue system using mobile terminals capable of informing whereabouts of user by transmitting emergency rescue signal to police stations
US6002938A (en) Mobile telephone which inhibits an operation of an indication for a calling telephone requesting communication
KR20040013701A (en) Method for notifying whether a mobile phone is in proximity using bluetooth
KR100372606B1 (en) Mobile station having emergency alarm function
EP0606744B1 (en) Call management in a telecommunication system
JP2002152061A (en) Portable telephone set with urgent signal transmission device
JP2003346258A (en) Emergency contact system and terminal device used in the same

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application