JPS5211722A - Power failure protection circuit - Google Patents

Power failure protection circuit

Info

Publication number
JPS5211722A
JPS5211722A JP50088139A JP8813975A JPS5211722A JP S5211722 A JPS5211722 A JP S5211722A JP 50088139 A JP50088139 A JP 50088139A JP 8813975 A JP8813975 A JP 8813975A JP S5211722 A JPS5211722 A JP S5211722A
Authority
JP
Japan
Prior art keywords
power failure
protection circuit
failure protection
supplying
power
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
JP50088139A
Other languages
Japanese (ja)
Inventor
Hideyuki Shirokura
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 JP50088139A priority Critical patent/JPS5211722A/en
Publication of JPS5211722A publication Critical patent/JPS5211722A/en
Pending legal-status Critical Current

Links

Landscapes

  • Stand-By Power Supply Arrangements (AREA)
  • Power Sources (AREA)

Abstract

PURPOSE: To transfer information to the memory section by supplying the necessary power from the battery provided with the use of a delay relay at the time of a power failure.
COPYRIGHT: (C)1977,JPO&Japio
JP50088139A 1975-07-17 1975-07-17 Power failure protection circuit Pending JPS5211722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50088139A JPS5211722A (en) 1975-07-17 1975-07-17 Power failure protection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50088139A JPS5211722A (en) 1975-07-17 1975-07-17 Power failure protection circuit

Publications (1)

Publication Number Publication Date
JPS5211722A true JPS5211722A (en) 1977-01-28

Family

ID=13934590

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50088139A Pending JPS5211722A (en) 1975-07-17 1975-07-17 Power failure protection circuit

Country Status (1)

Country Link
JP (1) JPS5211722A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981002359A1 (en) * 1980-02-06 1981-08-20 Mostek Corp Low-power battery backup circuit for semiconductor memory
JPS5717233U (en) * 1980-06-24 1982-01-28
US4422163A (en) * 1981-09-03 1983-12-20 Vend-A-Copy, Inc. Power down circuit for data protection in a microprocessor-based system
US4730875A (en) * 1986-07-22 1988-03-15 Toyota Jidosha Kabushiki Kaisha Webbing guide for use with seat belt apparatus
JPS6416229A (en) * 1987-07-09 1989-01-19 Nippon Telegraph & Telephone Power source supply method for network terminating set

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981002359A1 (en) * 1980-02-06 1981-08-20 Mostek Corp Low-power battery backup circuit for semiconductor memory
US4288865A (en) * 1980-02-06 1981-09-08 Mostek Corporation Low-power battery backup circuit for semiconductor memory
JPS5717233U (en) * 1980-06-24 1982-01-28
JPS6341809Y2 (en) * 1980-06-24 1988-11-02
US4422163A (en) * 1981-09-03 1983-12-20 Vend-A-Copy, Inc. Power down circuit for data protection in a microprocessor-based system
US4730875A (en) * 1986-07-22 1988-03-15 Toyota Jidosha Kabushiki Kaisha Webbing guide for use with seat belt apparatus
JPS6416229A (en) * 1987-07-09 1989-01-19 Nippon Telegraph & Telephone Power source supply method for network terminating set

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