JPS51127440A - Means for protecting constant voltage circuit - Google Patents

Means for protecting constant voltage circuit

Info

Publication number
JPS51127440A
JPS51127440A JP5139475A JP5139475A JPS51127440A JP S51127440 A JPS51127440 A JP S51127440A JP 5139475 A JP5139475 A JP 5139475A JP 5139475 A JP5139475 A JP 5139475A JP S51127440 A JPS51127440 A JP S51127440A
Authority
JP
Japan
Prior art keywords
constant voltage
voltage circuit
protecting
protecting constant
circuit
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
JP5139475A
Other languages
Japanese (ja)
Inventor
Kazufumi Ishihata
Mikio Tachibana
Masato Sasai
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.)
SHIRATORI SEISAKUSHIYO KK
SHIRATORI SEISAKUSHO KK
Hitachi Ltd
Original Assignee
SHIRATORI SEISAKUSHIYO KK
SHIRATORI SEISAKUSHO KK
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 SHIRATORI SEISAKUSHIYO KK, SHIRATORI SEISAKUSHO KK, Hitachi Ltd filed Critical SHIRATORI SEISAKUSHIYO KK
Priority to JP5139475A priority Critical patent/JPS51127440A/en
Publication of JPS51127440A publication Critical patent/JPS51127440A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Static Devices (AREA)
  • Control Of Voltage And Current In General (AREA)

Abstract

PURPOSE: To supply power to a constant voltage circuit with a simple circuit construction only when the source voltage is within a certain range.
COPYRIGHT: (C)1976,JPO&Japio
JP5139475A 1975-04-30 1975-04-30 Means for protecting constant voltage circuit Pending JPS51127440A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5139475A JPS51127440A (en) 1975-04-30 1975-04-30 Means for protecting constant voltage circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5139475A JPS51127440A (en) 1975-04-30 1975-04-30 Means for protecting constant voltage circuit

Publications (1)

Publication Number Publication Date
JPS51127440A true JPS51127440A (en) 1976-11-06

Family

ID=12885709

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5139475A Pending JPS51127440A (en) 1975-04-30 1975-04-30 Means for protecting constant voltage circuit

Country Status (1)

Country Link
JP (1) JPS51127440A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53107646A (en) * 1977-03-03 1978-09-19 Yuuzatsuku Denshi Kougiyou Kk Overvoltage suppressor
JPS5699522A (en) * 1980-01-11 1981-08-10 Matsushita Electric Ind Co Ltd Power supply voltage drop alarming system
JPS56110423A (en) * 1980-01-31 1981-09-01 Nippon Electric Co Input power control system
JPS57118625U (en) * 1981-11-26 1982-07-23
JPS58217025A (en) * 1982-06-10 1983-12-16 Nec Corp Electronic system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551745A (en) * 1968-07-08 1970-12-29 Us Army Shunt regulator overvoltage trip
JPS493056U (en) * 1972-04-07 1974-01-11

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551745A (en) * 1968-07-08 1970-12-29 Us Army Shunt regulator overvoltage trip
JPS493056U (en) * 1972-04-07 1974-01-11

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53107646A (en) * 1977-03-03 1978-09-19 Yuuzatsuku Denshi Kougiyou Kk Overvoltage suppressor
JPS5699522A (en) * 1980-01-11 1981-08-10 Matsushita Electric Ind Co Ltd Power supply voltage drop alarming system
JPS6262369B2 (en) * 1980-01-11 1987-12-25 Matsushita Electric Ind Co Ltd
JPS56110423A (en) * 1980-01-31 1981-09-01 Nippon Electric Co Input power control system
JPS57118625U (en) * 1981-11-26 1982-07-23
JPS58217025A (en) * 1982-06-10 1983-12-16 Nec Corp Electronic system

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