JPS5280439A - Protective circuit against abnormal voltage - Google Patents

Protective circuit against abnormal voltage

Info

Publication number
JPS5280439A
JPS5280439A JP15608675A JP15608675A JPS5280439A JP S5280439 A JPS5280439 A JP S5280439A JP 15608675 A JP15608675 A JP 15608675A JP 15608675 A JP15608675 A JP 15608675A JP S5280439 A JPS5280439 A JP S5280439A
Authority
JP
Japan
Prior art keywords
abnormal voltage
protective circuit
circuit against
against abnormal
mistakingly
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
JP15608675A
Other languages
Japanese (ja)
Inventor
Hiroaki Mamiya
Takeyuki Kawamori
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 Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP15608675A priority Critical patent/JPS5280439A/en
Publication of JPS5280439A publication Critical patent/JPS5280439A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Transformers (AREA)

Abstract

PURPOSE: The idea is to protect such instruments as fire alarm, exhaust smoke prevention controller etc. from abnormal voltage when such abnormal voltage from power source is mistakingly connected to any of them.
COPYRIGHT: (C)1977,JPO&Japio
JP15608675A 1975-12-27 1975-12-27 Protective circuit against abnormal voltage Pending JPS5280439A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15608675A JPS5280439A (en) 1975-12-27 1975-12-27 Protective circuit against abnormal voltage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15608675A JPS5280439A (en) 1975-12-27 1975-12-27 Protective circuit against abnormal voltage

Publications (1)

Publication Number Publication Date
JPS5280439A true JPS5280439A (en) 1977-07-06

Family

ID=15619983

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15608675A Pending JPS5280439A (en) 1975-12-27 1975-12-27 Protective circuit against abnormal voltage

Country Status (1)

Country Link
JP (1) JPS5280439A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368110A (en) * 1965-07-12 1968-02-06 Robert A. Taylor Safety adapter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368110A (en) * 1965-07-12 1968-02-06 Robert A. Taylor Safety adapter

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