KR900018696A - 차량 자동 추적시스템의 차량 탑재장치 - Google Patents

차량 자동 추적시스템의 차량 탑재장치 Download PDF

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Publication number
KR900018696A
KR900018696A KR1019890006524A KR890006524A KR900018696A KR 900018696 A KR900018696 A KR 900018696A KR 1019890006524 A KR1019890006524 A KR 1019890006524A KR 890006524 A KR890006524 A KR 890006524A KR 900018696 A KR900018696 A KR 900018696A
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KR
South Korea
Prior art keywords
frequency
signal
unit
transmission
output
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Application number
KR1019890006524A
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English (en)
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KR920005507B1 (ko
Inventor
박현철
Original Assignee
강진구
삼성전자 주식회사
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Publication date
Application filed by 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019890006524A priority Critical patent/KR920005507B1/ko
Priority to US07/473,047 priority patent/US5142281A/en
Priority to JP2100173A priority patent/JPH02309825A/ja
Priority to GB9010857A priority patent/GB2234140B/en
Publication of KR900018696A publication Critical patent/KR900018696A/ko
Application granted granted Critical
Publication of KR920005507B1 publication Critical patent/KR920005507B1/ko

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • G01S5/26—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/20—Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009—Transmission of position information to remote stations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G01S5/0226—Transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Traffic Control Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

내용 없음

Description

차량 자동 추적시스템의 차량 탑재장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 차량자동 추적시스템의 구성도, 제2도는 본 발명에 따른 차량 자동 추적시스템의 차량탑재장치.

Claims (3)

  1. 추적하고저하는 차량의 어드레스를 포함하는 코드를 RF변조하여 송신하고, 이에 응답하여 송신된 신호를 수신하여 응답하는 차량 탑재장치의 위치를 파악하는 중앙 통제선터와 상기 중앙통제센터의 RF코드를 수신하여 응답 송신하는 차량 탑재장치로 이루어진 차량자동 추적시스템에 있어서, 무지향성 안테나(10)와, 소정 제어에 의해 스위칭되어 소정 상태의 송신신호를 상기 안테나(10)로 접속하고, 상기 안테나(10)의 수신신호를 받아들이는 송수신스위치(14)과, 상기 T/R스위치(14)를 통한 수신신호를 소정 제1주파수에 의해 중간 주파하여 제1중간 주파수를 출력하는 제1중간 주파부(22)와, 소정 주파수를 발진하는 온도 보상발진기(24)를 내장하고 있으며 상기 주파수를 변환하여 제1주파수를 상기 제1중간주파부(22)에 제공하고, 소정주파수를 가지는 제2, 제3주파수를 출력하는 주파수발생기(31)와, 상기 제1중간 주파부(22)의 제1중간 주파수를 소정주파수에 의해 중간주파하여 제2중간 주파수를 출력하는 제2중간 주파부(39)와, 상기 제2중간 주파부(39)의 제2중간 주파수를 FSK 복조하여 폭삭코드를 출력하는 FSK복조기(40)와, 상기 FSK복조기(46)로부터 복조출력되는 폭삭코드에 포함하는 어드레스를 자기 고유어드레스코드와 비교하여 같은 경우 소정의 플래그신호를 출력하는 폭삭디코더(42)와, 상기 폭삭디코더(42)의 플래그 발생에 의해 송신제어신호를 상기 송수신 위치(14)에 입력시키고, 응답신호 발생제어신호를 출력하는 제어부(44)와, 상기 제어부(44)의 제어에 의해 상기 주파수 발생기(31)에 제2주파수를 가지는 응답신호를 발생하여 PSK변조출력하는 응답송신수단과, 상기 PSK변조부(53)의 출력을 상기 주파수 발생기(31)의 제1주파수로 변조하여 증폭 출력하는 송신신호발생부(57)와, 상기 제어부(44)의 응답신호 발생제어신호에 의해 인에이블 동작되어 상기 송신신호 발생부(57)의 출력을 전력 증폭하여 상기 송수신 스위치(14)를 통해 전파출력하는 전력증폭기(58)로 구성됨을 특징으로 하는 차량 탑재장치.
  2. 제1항에 있어서, 음성 송신수단이 상기 제어부(44)의 응답 신호 발생제어 신호에 의해 상기 주파수 발생기(31)의 제2주파수를 PRN신호로 발생하는 PRN발생부(49)와, 상기 PRN발생부(49)의 PRN신호를 상기 주파수 발생기(31)의 제3주파수에 의해 PSK변조출력하는 PSK변조부(53)로 구성됨을 특징으로 하는 차량탑재장치.
  3. 제1항에 있어서, 송신신호발생부(57)가 상기 밴드 패스필터(52)의 PSK변조출력을 상기 주파수발생기(31)의 제1주파수 64fx 로 믹싱하여 출력하는 송신믹서(54)와, 상기 송신믹서(54)의 출력을 대역통과 출력하는 밴드패스필터(56)와 상기 밴드패스필터(56)의 출력을 상기 전력증폭기(58)로 드라이브하는 RF드라이브(59)로 구성됨을 특징으로 하는 차량탑재장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890006524A 1989-05-16 1989-05-16 차량 자동추적 시스템의 차량 탑재장치 KR920005507B1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019890006524A KR920005507B1 (ko) 1989-05-16 1989-05-16 차량 자동추적 시스템의 차량 탑재장치
US07/473,047 US5142281A (en) 1989-05-16 1990-01-31 Vehicle mounting apparatus of an automatic vehicle location system
JP2100173A JPH02309825A (ja) 1989-05-16 1990-04-16 車両自動追跡システムの車両搭載装置
GB9010857A GB2234140B (en) 1989-05-16 1990-05-15 Automatic vehicle location system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890006524A KR920005507B1 (ko) 1989-05-16 1989-05-16 차량 자동추적 시스템의 차량 탑재장치

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KR900018696A true KR900018696A (ko) 1990-12-22
KR920005507B1 KR920005507B1 (ko) 1992-07-06

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US (1) US5142281A (ko)
JP (1) JPH02309825A (ko)
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GB9010857D0 (en) 1990-07-04
JPH02309825A (ja) 1990-12-25
GB2234140A (en) 1991-01-23
KR920005507B1 (ko) 1992-07-06
GB2234140B (en) 1993-10-27
US5142281A (en) 1992-08-25

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