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JPS54139399A - Transmission line continuity confirming system - Google Patents

Transmission line continuity confirming system

Info

Publication number
JPS54139399A
JPS54139399A JP4745378A JP4745378A JPS54139399A JP S54139399 A JPS54139399 A JP S54139399A JP 4745378 A JP4745378 A JP 4745378A JP 4745378 A JP4745378 A JP 4745378A JP S54139399 A JPS54139399 A JP S54139399A
Authority
JP
Japan
Prior art keywords
transmission line
continuity test
circuit
operation time
bias state
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
JP4745378A
Other languages
English (en)
Inventor
Katsunori Tanie
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP4745378A priority Critical patent/JPS54139399A/ja
Publication of JPS54139399A publication Critical patent/JPS54139399A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
JP4745378A 1978-04-20 1978-04-20 Transmission line continuity confirming system Pending JPS54139399A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4745378A JPS54139399A (en) 1978-04-20 1978-04-20 Transmission line continuity confirming system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4745378A JPS54139399A (en) 1978-04-20 1978-04-20 Transmission line continuity confirming system

Publications (1)

Publication Number Publication Date
JPS54139399A true JPS54139399A (en) 1979-10-29

Family

ID=12775562

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4745378A Pending JPS54139399A (en) 1978-04-20 1978-04-20 Transmission line continuity confirming system

Country Status (1)

Country Link
JP (1) JPS54139399A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4507568A (en) * 1982-05-03 1985-03-26 Siemens Aktiengesellschaft Device for initiating the remote feed of electrical users
US4562401A (en) * 1982-11-12 1985-12-31 Siemens Aktiengesellschaft Circuit arrangement and method for fault locating in conjunction with equipment for the trunk feeding of electrical loads
US4731550A (en) * 1984-09-10 1988-03-15 Siemens Aktiengesellschaft Circuit having a feed circuit for supplying current to a load resistor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4507568A (en) * 1982-05-03 1985-03-26 Siemens Aktiengesellschaft Device for initiating the remote feed of electrical users
US4562401A (en) * 1982-11-12 1985-12-31 Siemens Aktiengesellschaft Circuit arrangement and method for fault locating in conjunction with equipment for the trunk feeding of electrical loads
US4731550A (en) * 1984-09-10 1988-03-15 Siemens Aktiengesellschaft Circuit having a feed circuit for supplying current to a load resistor

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