JPS5284439A - Ac load broken line detector - Google Patents

Ac load broken line detector

Info

Publication number
JPS5284439A
JPS5284439A JP78676A JP78676A JPS5284439A JP S5284439 A JPS5284439 A JP S5284439A JP 78676 A JP78676 A JP 78676A JP 78676 A JP78676 A JP 78676A JP S5284439 A JPS5284439 A JP S5284439A
Authority
JP
Japan
Prior art keywords
broken line
line detector
load broken
load
detecting
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
JP78676A
Other languages
Japanese (ja)
Inventor
Kiwamu Taira
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 JP78676A priority Critical patent/JPS5284439A/en
Publication of JPS5284439A publication Critical patent/JPS5284439A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To detect a load broken line existance by detecting a potantial difference between both terminals of a detecting circuit impedance at a time of non-conduction of a voltage applying switching.
COPYRIGHT: (C)1977,JPO&Japio
JP78676A 1976-01-07 1976-01-07 Ac load broken line detector Pending JPS5284439A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP78676A JPS5284439A (en) 1976-01-07 1976-01-07 Ac load broken line detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP78676A JPS5284439A (en) 1976-01-07 1976-01-07 Ac load broken line detector

Publications (1)

Publication Number Publication Date
JPS5284439A true JPS5284439A (en) 1977-07-14

Family

ID=11483371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP78676A Pending JPS5284439A (en) 1976-01-07 1976-01-07 Ac load broken line detector

Country Status (1)

Country Link
JP (1) JPS5284439A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5532475A (en) * 1978-08-28 1980-03-07 Matsushita Electric Industrial Co Ltd Device for preventing electric shock
JPH02154389A (en) * 1988-07-08 1990-06-13 Olympus Optical Co Ltd Ferroelectric memory

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5532475A (en) * 1978-08-28 1980-03-07 Matsushita Electric Industrial Co Ltd Device for preventing electric shock
JPH02154389A (en) * 1988-07-08 1990-06-13 Olympus Optical Co Ltd Ferroelectric memory

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