JPS5421865A - Discriminating method for transmission line breaking and device breaking - Google Patents

Discriminating method for transmission line breaking and device breaking

Info

Publication number
JPS5421865A
JPS5421865A JP8608777A JP8608777A JPS5421865A JP S5421865 A JPS5421865 A JP S5421865A JP 8608777 A JP8608777 A JP 8608777A JP 8608777 A JP8608777 A JP 8608777A JP S5421865 A JPS5421865 A JP S5421865A
Authority
JP
Japan
Prior art keywords
breaking
transmission line
discriminating method
terminal device
line breaking
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
JP8608777A
Other languages
Japanese (ja)
Inventor
Kazuo Inoue
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 Denshi KK
Original Assignee
Hitachi Denshi KK
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 Denshi KK filed Critical Hitachi Denshi KK
Priority to JP8608777A priority Critical patent/JPS5421865A/en
Publication of JPS5421865A publication Critical patent/JPS5421865A/en
Pending legal-status Critical Current

Links

Landscapes

  • Dc Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

PURPOSE:To discriminate transmission line breaking and terminal device breaking easily and securely in a simple constitution by providing a detecting means for return of single signal which is continuously delivered and a intermittent means to the terminal device in a telemeter system.
JP8608777A 1977-07-20 1977-07-20 Discriminating method for transmission line breaking and device breaking Pending JPS5421865A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8608777A JPS5421865A (en) 1977-07-20 1977-07-20 Discriminating method for transmission line breaking and device breaking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8608777A JPS5421865A (en) 1977-07-20 1977-07-20 Discriminating method for transmission line breaking and device breaking

Publications (1)

Publication Number Publication Date
JPS5421865A true JPS5421865A (en) 1979-02-19

Family

ID=13876915

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8608777A Pending JPS5421865A (en) 1977-07-20 1977-07-20 Discriminating method for transmission line breaking and device breaking

Country Status (1)

Country Link
JP (1) JPS5421865A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57187460A (en) * 1981-05-01 1982-11-18 Bpb Industries Plc Building parts
JPS5866497U (en) * 1981-10-29 1983-05-06 日本電気ホームエレクトロニクス株式会社 Signal line diagnostic circuit
JP2008033771A (en) * 2006-07-31 2008-02-14 Toshiba Corp Instrumentation data transmission device and instrumentation data transmission method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57187460A (en) * 1981-05-01 1982-11-18 Bpb Industries Plc Building parts
JPH048579B2 (en) * 1981-05-01 1992-02-17
JPS5866497U (en) * 1981-10-29 1983-05-06 日本電気ホームエレクトロニクス株式会社 Signal line diagnostic circuit
JPH0313830Y2 (en) * 1981-10-29 1991-03-28
JP2008033771A (en) * 2006-07-31 2008-02-14 Toshiba Corp Instrumentation data transmission device and instrumentation data transmission method

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