KR970071198A - Method and apparatus for preventing theft of portable computers - Google Patents

Method and apparatus for preventing theft of portable computers Download PDF

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Publication number
KR970071198A
KR970071198A KR1019960013699A KR19960013699A KR970071198A KR 970071198 A KR970071198 A KR 970071198A KR 1019960013699 A KR1019960013699 A KR 1019960013699A KR 19960013699 A KR19960013699 A KR 19960013699A KR 970071198 A KR970071198 A KR 970071198A
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KR
South Korea
Prior art keywords
infrared
key
voltage
input
key board
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KR1019960013699A
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Korean (ko)
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KR0162974B1 (en
Inventor
조영광
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이정식
주식회사 삼보컴퓨터
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Priority to KR1019960013699A priority Critical patent/KR0162974B1/en
Publication of KR970071198A publication Critical patent/KR970071198A/en
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Publication of KR0162974B1 publication Critical patent/KR0162974B1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/88—Detecting or preventing theft or loss
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/86—Secure or tamper-resistant housings

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

본 발명은 휴대용 컴퓨터가 놓여있는 바닥면과 휴대용 컴퓨터 하부면 사이의 거리를 검출하여, 휴대용 컴퓨터가 이동되었다고 판단되면 경보음을 발생시키는 적외선검출기를 이용한 휴대용 컴퓨터의 도난방지방법 및 그 장치를 제공하는데 그 목적이 있다.The present invention provides a method and apparatus for preventing theft of a portable computer using an infrared ray detector that detects a distance between a floor surface on which a portable computer is placed and a lower surface of the portable computer and generates an alarm sound when it is determined that the portable computer has been moved It has its purpose.

즉, 본 발명은 휴대용 컴퓨터에 있어서, 본체의 외부 하부면에 설치되며 적외선을 출력시키는 적외선송출기(10)와; 본체의 외부 하부면에 설치되며 상기 적외송출기(10)로부터 출력된 후 반사되어 오는 적외선의 증감을 전압의 증감으로 변환하여 출력하는 적외선검출기(20)와; 상기 적외선송출기(10) 및 적외선검출기(20)에 연결되며, 설정된 암호키이가 입력되면 적외선송출기(10)를 작동시키고, 적외선검출기(20)로부터 입력되는 전압을 분석하며, 그 전압이 기준값 이하이면 오디오제어기(40)로 SMI신호를 출력하여 오디오제어기(40)에 연결된 스피커(50)를 통하여 소정의 경보음이 출력되도록 하는 키이보드컨트롤로(30);를 구비하여, 사용자 부재시 외부인이 휴대용 컴퓨터를 가져 가려고 하거나 하드디스크를 빼내려고 할 경우, 이를 감지한 키이보드컨트롤러가 오디오제어기를 통하여 스피커로 경보음을 발생시켜서 휴대용 컴퓨터 및 하드디스크의도난을 방지할 수 있는 효과가 있다.That is, the present invention provides a portable computer comprising: an infrared ray transmitter (10) installed on an outer lower surface of a main body and outputting infrared rays; An infrared detector 20 installed on an outer lower surface of the main body and converting the increase / decrease of infrared rays reflected after being output from the infrared transmitter 10 to increase / When the set encryption key is input, the infrared transmitter 10 is operated and the voltage input from the infrared detector 20 is analyzed. When the voltage is below the reference value, And a key board control unit 30 for outputting an SMI signal to the audio controller 40 and outputting a predetermined alarm sound through a speaker 50 connected to the audio controller 40. In the absence of a user, The key board controller detects an alarm sound through the audio controller through the audio controller, thereby preventing the portable computer and the hard disk from being stolen.

Description

휴대용 컴퓨터의 도난방지방법 및 그 장치Method and apparatus for preventing theft of portable computers

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 본 발명에 따른 휴대용 컴퓨터의 도난방지장치를 도시한 블럭도, 제2도는 본 발명에 따른 휴대용 컴퓨터의 도난을 방지하기 위한 제어흐름도.FIG. 1 is a block diagram showing an anti-theft device of a portable computer according to the present invention; FIG. 2 is a control flowchart for preventing theft of the portable computer according to the present invention;

Claims (7)

핫키이가 패스워드의 조합인 암호키이를 키이보드컨트롤러에 입력시키는 제1단계(S101)와; 제1단계(S101)에서 정확한 암호키이가 입력되면, 타이머, 램프, 적외선송출기 및 적외선검출기를 작동시키는 제2단계(S102)와; 설정된 시간마다 적외선검출기로부터 출력되는 전압을 키이보드컨트롤러에서 입력받는 제3단계(S103)와; 키이보드컨트롤러로 입력된 전압이 기준전압 이하인 지를 판단하고, 입력된 전압이 기준전압보다 클 경우에는 상기 제3단계(S103)로 귀환되는 제4단계(S104); 그리고, 상기 제4단계(S104)에서 키이보드컨트롤러로 입력된 전압이 기준전압 이하라고 판단되면, 오디오제어기로 시스템관리인터럽트(SMI)신호를 출력하여 오디오제어기에 연결된 스피커를 통하여 소정의 경보음이 출력되도록 하는 제5단계(S105);를 포함하여 이루어진 것을 특징으로 하는 휴대용 컴퓨터의 도난방지방법.A first step (S101) in which the hot key inputs a password key, which is a combination of passwords, to the key board controller; A second step (S102) of operating a timer, a lamp, an infrared ray emitter and an infrared ray detector when the correct encryption key is input in the first step S101; A third step (S103) of receiving, from the key board controller, the voltage output from the infrared ray detector every predetermined time; A fourth step (S104) of determining whether a voltage input to the key board controller is equal to or lower than a reference voltage, and returning to the third step (S103) if the input voltage is greater than the reference voltage; If it is determined that the voltage input to the key board controller is lower than the reference voltage in the fourth step S104, a system management interrupt (SMI) signal is output to the audio controller, and a predetermined alarm sound is output through a speaker connected to the audio controller (S105) for outputting the received signal to the portable terminal. 휴대용 컴퓨터에 있어서, 본체의 외부 하부면에 설치되며 적외선을 출력시키는 적외선송출기(10)와; 본체의 외부 하부면에 설치되며 상기 적외송출기(10)로부터 출력된 후 반사되어 오는 적외선의 증감을 전압의 증감으로 변환하여 출력하는 적외선검출기(20)와; 상기 적외선송출기(10) 및 적외선검출기(20)에 연결되며, 설정된 암호키이가 입력되면 적외선송출기(10)를 작동시키고, 적외선검출기(20)로부터 입력되는 전압을 분석하며, 그 전압이 기준값 이하이면 오디오제어기(40)로 시스템관리인터럽트(SMI)신호를 출력하여 오디오제어기(40)에 연결된 스피커(50)를 통하여 소정의 경보음이 출력되도록 하는 키이보드컨트롤로(30);를 구비하는 것을 특징으로 하는 적외선 검출기를 이용한 휴대용 컴퓨터의 도난방지장치.1. A portable computer comprising: an infrared ray transmitter (10) installed on an outer lower surface of a main body and outputting infrared rays; An infrared detector 20 installed on an outer lower surface of the main body and converting the increase / decrease of infrared rays reflected after being output from the infrared transmitter 10 to increase / When the set encryption key is input, the infrared transmitter 10 is operated and the voltage input from the infrared detector 20 is analyzed. When the voltage is below the reference value, And a key board control circuit 30 for outputting a system management interrupt (SMI) signal to the audio controller 40 and outputting a predetermined alarm sound through a speaker 50 connected to the audio controller 40 Theft detector of the portable computer. 제2항에 있어서, 상기 키이보드컨트롤러(30)는 적외선검출기(20)로부터 입력되는 전압을 프로그램밍된 폴링(polling)기능에 의하여 설정된 시간마다 분석하는 것을 특징으로 하는 휴대용 컴퓨터의 도난방지장치.The apparatus according to claim 2, wherein the key board controller (30) analyzes the voltage input from the infrared ray detector (20) by a programmed polling function at predetermined time intervals. 제2항에 있어서, 상기 키이보드컨트롤러(30)에는 보조전원공급부(35)가 연결되는 것을 특징으로 하는 휴대용 컴퓨터의 도난방지장치.The apparatus according to claim 2, wherein an auxiliary power supply unit (35) is connected to the key board controller (30). 제2항에 있어서, 상기 키이보드컨트롤러(30)에는 설정된 암호키이가 입력되면 점등되는 램프(32)가 연결되는 것을 특징으로 하는 휴대용 컴퓨터의 도난방지장치.The apparatus of claim 2, wherein the key board controller (30) is connected to a lamp (32) which is turned on when a set encryption key is input. 제2항에 있어서, 상기 설정된 암호키이는 핫키이와 패스워드의 조합인 것을 특징으로 하는 휴대용 컴퓨터의 도난방지장치.The apparatus according to claim 2, wherein the set encryption key is a combination of a hot key and a password. 제2항에 있어서, 상기 적외송출기(1)와 적외선검출기(20)가 본체의 외부 하부면 중앙에 설치된 것을 특징으로 하는 휴대용 컴퓨터의 도난방지장치.The apparatus according to claim 2, wherein the infrared transmitter (1) and the infrared detector (20) are installed at the center of the outer bottom surface of the main body. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960013699A 1996-04-30 1996-04-30 Protecting device aginst stealing KR0162974B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100502101B1 (en) * 1997-12-03 2005-10-28 삼성전자주식회사 Anti-theft device and its method of portable computer
KR100577791B1 (en) * 1999-12-30 2006-05-10 비오이 하이디스 테크놀로지 주식회사 Security system of notebook computer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100502101B1 (en) * 1997-12-03 2005-10-28 삼성전자주식회사 Anti-theft device and its method of portable computer
KR100577791B1 (en) * 1999-12-30 2006-05-10 비오이 하이디스 테크놀로지 주식회사 Security system of notebook computer

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KR0162974B1 (en) 1999-01-15

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