JPS52121191A - Circuit discontinuity detection - Google Patents

Circuit discontinuity detection

Info

Publication number
JPS52121191A
JPS52121191A JP3595176A JP3595176A JPS52121191A JP S52121191 A JPS52121191 A JP S52121191A JP 3595176 A JP3595176 A JP 3595176A JP 3595176 A JP3595176 A JP 3595176A JP S52121191 A JPS52121191 A JP S52121191A
Authority
JP
Japan
Prior art keywords
discontinuity detection
circuit discontinuity
circuit
station
detection
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.)
Pending
Application number
JP3595176A
Other languages
English (en)
Inventor
Hiromichi Nishikubo
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3595176A priority Critical patent/JPS52121191A/ja
Publication of JPS52121191A publication Critical patent/JPS52121191A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Selective Calling Equipment (AREA)
JP3595176A 1976-04-02 1976-04-02 Circuit discontinuity detection Pending JPS52121191A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3595176A JPS52121191A (en) 1976-04-02 1976-04-02 Circuit discontinuity detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3595176A JPS52121191A (en) 1976-04-02 1976-04-02 Circuit discontinuity detection

Publications (1)

Publication Number Publication Date
JPS52121191A true JPS52121191A (en) 1977-10-12

Family

ID=12456277

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3595176A Pending JPS52121191A (en) 1976-04-02 1976-04-02 Circuit discontinuity detection

Country Status (1)

Country Link
JP (1) JPS52121191A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62185429A (ja) * 1986-02-10 1987-08-13 Nec Corp シリアルデ−タバスの接続状態監視方式
JPH0649075U (ja) * 1992-07-24 1994-07-05 山野井商事株式会社 バインダーにおけるロック機構

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62185429A (ja) * 1986-02-10 1987-08-13 Nec Corp シリアルデ−タバスの接続状態監視方式
JPH0649075U (ja) * 1992-07-24 1994-07-05 山野井商事株式会社 バインダーにおけるロック機構

Similar Documents

Publication Publication Date Title
ZA777485B (en) Improvements in or relating to t.d.m.transmission systems
JPS52109686A (en) Scrap pipe cutting device
JPS5327784A (en) Information transmitting device
JPS52121191A (en) Circuit discontinuity detection
JPS52108703A (en) Abnormality detecting system
JPS5213706A (en) Key telephone system
JPS5336104A (en) Trouble discrimination equipment in loop-type data transmission system
JPS5321512A (en) Multiplex transmission system
JPS52115613A (en) Protecting apparatus for unattended station
JPS5322308A (en) Anomaly detection system of multiplex transmission unit
JPS5293889A (en) Transmission control system
JPS5315094A (en) Transmitter-receiver
JPS5438705A (en) Data transmission system
JPS52109303A (en) By-pass change-over system
JPS52115105A (en) Control station carrying-about system
JPS53138756A (en) Monitor system for equipment installed on vehicle
JPS51138107A (en) Signal detection output system
JPS52131799A (en) System for works in station
JPS5380907A (en) Two-way combining system between branch lines for indoor power line carrier control communication
JPS52142414A (en) Time sharing multiple connection acquisition system
JPS53110035A (en) Digital protective relay
JPS5332602A (en) Connection test system in mobile communication
JPS5310905A (en) Line branch system
JPS5317004A (en) Exchange system
JPS52146596A (en) Information processing system of fire alarm facilities