JPS5640349A - Relay trouble searching system - Google Patents

Relay trouble searching system

Info

Publication number
JPS5640349A
JPS5640349A JP11601279A JP11601279A JPS5640349A JP S5640349 A JPS5640349 A JP S5640349A JP 11601279 A JP11601279 A JP 11601279A JP 11601279 A JP11601279 A JP 11601279A JP S5640349 A JPS5640349 A JP S5640349A
Authority
JP
Japan
Prior art keywords
code
bit
designated frequency
output
trouble
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP11601279A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6364931B2 (enrdf_load_stackoverflow
Inventor
Risuke Shimodaira
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP11601279A priority Critical patent/JPS5640349A/ja
Publication of JPS5640349A publication Critical patent/JPS5640349A/ja
Publication of JPS6364931B2 publication Critical patent/JPS6364931B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
JP11601279A 1979-09-10 1979-09-10 Relay trouble searching system Granted JPS5640349A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11601279A JPS5640349A (en) 1979-09-10 1979-09-10 Relay trouble searching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11601279A JPS5640349A (en) 1979-09-10 1979-09-10 Relay trouble searching system

Publications (2)

Publication Number Publication Date
JPS5640349A true JPS5640349A (en) 1981-04-16
JPS6364931B2 JPS6364931B2 (enrdf_load_stackoverflow) 1988-12-14

Family

ID=14676626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11601279A Granted JPS5640349A (en) 1979-09-10 1979-09-10 Relay trouble searching system

Country Status (1)

Country Link
JP (1) JPS5640349A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5898769A (ja) * 1981-12-08 1983-06-11 Konishiroku Photo Ind Co Ltd 複写機等のクリ−ニング装置
JPS58215829A (ja) * 1982-06-09 1983-12-15 Nec Corp 中継器障害探索方式
JPS6028772U (ja) * 1983-08-03 1985-02-26 ユニチカ株式会社 複写機のクリ−ナブラシ
US5600405A (en) * 1993-06-14 1997-02-04 Hitachi, Ltd. Bias cleaning system and electrostatic printing apparatus therewith and operating method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5898769A (ja) * 1981-12-08 1983-06-11 Konishiroku Photo Ind Co Ltd 複写機等のクリ−ニング装置
JPS58215829A (ja) * 1982-06-09 1983-12-15 Nec Corp 中継器障害探索方式
JPS6028772U (ja) * 1983-08-03 1985-02-26 ユニチカ株式会社 複写機のクリ−ナブラシ
US5600405A (en) * 1993-06-14 1997-02-04 Hitachi, Ltd. Bias cleaning system and electrostatic printing apparatus therewith and operating method thereof

Also Published As

Publication number Publication date
JPS6364931B2 (enrdf_load_stackoverflow) 1988-12-14

Similar Documents

Publication Publication Date Title
US3878527A (en) Radiant energy receiver circuits
KR840004633A (ko) 디지탈 전기통신 네트웍의 트랜지트 익스체인지를 동위상화시키는 방법
JPS5640349A (en) Relay trouble searching system
JPS56114461A (en) Timing extracting circuit
ES451439A1 (es) Un sistema de transmision para transmitir senales de reloj ysenales auxiliares desde un circuito emisor a por lo menos un circuito de recepcion.
JPS55147060A (en) Fsk and psk modulating circuit
GB1285997A (en) Apparatus for deriving a signal proportional to a change-function of phase angle
JPS52129358A (en) Wide-band phase locked loop circuit
JPS5621440A (en) Stuff synchronizing system
JPS5635557A (en) Searching system for repeating fault
JPS5723346A (en) Code approving circuit
JPS5673946A (en) Loop constituting system for data transmission system
JPS5634203A (en) Fm demodulator
SU871298A1 (ru) Устройство формировани вторичного алфавита
SU902294A1 (ru) Устройство дл формировани квазитроичной последовательности
ATE4071T1 (de) Verfahren und anordnung zur messung des jitters von taktsignalen in digitalen uebertragungssystemen.
SU1172045A1 (ru) Устройство дл формировани биимпульсного сигнала
SU773946A1 (ru) Устройство синхронизации
JPS5382152A (en) Sampling circuit
SU907819A1 (ru) Дифференциальное устройство дл согласовани двухпроводного и четырехпроводного трактов
SU374732A1 (ru) УСТРОЙСТВО дл ПОЛУЧЕНИЯ ЗАВИСИМБ1Х ПОТОКОВ
JPS573457A (en) Level detecting circuit
JPS5679546A (en) Data transmission system
Buckley The Root Locus Plot
JPS5650401A (en) Logical operation circuit for vehicle