KR970016593A - 디지털 전송 장치의 신호 전파 시간 측정 장치 - Google Patents

디지털 전송 장치의 신호 전파 시간 측정 장치 Download PDF

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Publication number
KR970016593A
KR970016593A KR1019960038562A KR19960038562A KR970016593A KR 970016593 A KR970016593 A KR 970016593A KR 1019960038562 A KR1019960038562 A KR 1019960038562A KR 19960038562 A KR19960038562 A KR 19960038562A KR 970016593 A KR970016593 A KR 970016593A
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signal
propagation time
station
signal propagation
clock signal
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KR1019960038562A
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KR100422895B1 (ko
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미하엘 알거-모이니어
여지프 암마르
로날프 크라머
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알베르트 발도르프, 롤프 옴케
지멘스 악티엔게젤샤프트
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H04B3/462—Testing group delay or phase shift, e.g. timing jitter
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/24—Marginal checking or other specified testing methods not covered by G06F11/26, e.g. race tests

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Dc Digital Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Communication Control (AREA)
  • Electric Clocks (AREA)

Abstract

상위 스테이션(2)과 하위 스테이션(3)사이에 접속된 디지털 전송장치(1)의 신호 전파시간을 측정하기 위한 장치에서는, 상위 스테이션(2) 및 하위 스테이션(3)이 클록 신호에 의해 클록되는 소정 신호를 전송장치(1)를 통해 각각 반대 스테이션(3,2)으로 송신하기 위한 송신장치(12,9), 및 반대 스테이션(3,2)에 의해 클록되는 소정 신호를 수신하기 위한 수신장치(16,5)를 포함하며, 수신장치(16,5)는 각각의 소정 신호에 중첩된 클록신호를 분리하고, 송신하려는 소정 신호가 상위 스테이션(2)에서는 미리 주어진 클록신호(15)에 의해 그리고 하위 스테이션(3)에서는 그것의 수신장치(5)로부터 분리된 클록신호(7)로부터 유도된 클록신호(7′)에 의해 클록되며, 상위 스테이션(2)에 있는 위상 비교장치(19)가 주어진 클록신호(15)와 상위 스테이션(2)의 수신장치(16)로부터 분리된 클록신호(18)를 비교하고, 계산장치(20)는 위상 비교장치(19)의 비교결과로부터 신호 전파시간(26)을 계산한다.
선택도 제1도

Description

디지털 전송장치의 시호 전파시간 측정장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 장치의 개략도

Claims (3)

  1. 상위 스테이션(2) 및 하위 스테이션(3) 사이에 접속된 디지털 전송장치(1)의 신호 전파시간을 측정하기 위한 정치에 있어서, 상위 스테이션(2) 및 하위 스테이션(3)이 클록 신호에 의해 클록되는 소정 신호를 전송장치(1)를 통해 각각 반대 스테이션(3,2)으로 송신하기 위한 송신장치(12,9), 및 반대 스테이션(3,2)에 의해 클록되는 소정 신호를 수신하기 위한 수신장치(16,5)를 포함하며, 수신장치(16,5)는 각각의 소정 신호에 중첩된 클록신호를 분리하고, 송신하려는 소정 신호가 상위 스테이션(2)에서는 미리 주어진 클록신호(15)에 의해 그리고 하위 스테이션(3)에서는 그것의 수신장치(5)로부터 분리된 클록신호(7)로부터 유도된 클록신호(7′)에 의해 클록되며, 상위 스테이션(2)에 있는 위상 비교장치(9)가 주어진 클록신호(15)와 상위 스테이션(3)의 수신장치(16)로부터 분리된 클록신호(18)를 비교하고, 계산장치(20)는 위상 비교장치(19)의 비교결과로부터 신호 전파시간(26)을 계산하는 것을 특징으로 하는 디지털 전송장치의 신호 전파시간 측정장치.
  2. 제1항에 있어서, 계산장치(20)가 비교결과를 변환계수로 평가하며, 그것으로부터 레지스터(23, 24)에 저장된 상위 스테이션 및 하위 스테이션(2, 3)의 신호 전파시간을 감산하여 얻어진 차를 2로 나눔으로써, 전송장치(1)의 신호 전파시간이 얻어지는 것을 특징으로 하는 디지털 전송장치의 신호 전파시간 측정장치.
  3. 제1항 또는 제2항에 있어서, 계산장치(20)가 신호 전파시간을 또다른 변환 계수와 승산함으로써 라인 길이를 검출하는 것을 특징으로 하는 디지털 전송장치의 신호 전파시간 측정장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960038562A 1995-09-07 1996-09-06 디지털전송장치의신호전송시간측정장치 KR100422895B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19533113.3 1995-09-07
DE19533113A DE19533113A1 (de) 1995-09-07 1995-09-07 Vorrichtung zum Messen der Signallaufzeit einer digitalen Übertragungseinrichtung

Publications (2)

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KR970016593A true KR970016593A (ko) 1997-04-28
KR100422895B1 KR100422895B1 (ko) 2004-06-12

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US (1) US5864581A (ko)
EP (1) EP0762667B1 (ko)
JP (1) JP3151410B2 (ko)
KR (1) KR100422895B1 (ko)
CN (1) CN1086077C (ko)
AT (1) ATE230529T1 (ko)
DE (2) DE19533113A1 (ko)
TW (1) TW321722B (ko)

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Publication number Publication date
CN1149794A (zh) 1997-05-14
KR100422895B1 (ko) 2004-06-12
EP0762667A2 (de) 1997-03-12
US5864581A (en) 1999-01-26
JP3151410B2 (ja) 2001-04-03
JPH09172415A (ja) 1997-06-30
ATE230529T1 (de) 2003-01-15
EP0762667A3 (de) 1997-11-05
DE59610021D1 (de) 2003-02-06
TW321722B (ko) 1997-12-01
CN1086077C (zh) 2002-06-05
DE19533113A1 (de) 1997-03-13
EP0762667B1 (de) 2003-01-02

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