JPS53126969A - Overvoltage detection circuit - Google Patents

Overvoltage detection circuit

Info

Publication number
JPS53126969A
JPS53126969A JP4135277A JP4135277A JPS53126969A JP S53126969 A JPS53126969 A JP S53126969A JP 4135277 A JP4135277 A JP 4135277A JP 4135277 A JP4135277 A JP 4135277A JP S53126969 A JPS53126969 A JP S53126969A
Authority
JP
Japan
Prior art keywords
detection circuit
overvoltage detection
circuit
elements
malfunctions
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.)
Granted
Application number
JP4135277A
Other languages
Japanese (ja)
Other versions
JPS5825232B2 (en
Inventor
Shoichiro Koseki
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 JP52041352A priority Critical patent/JPS5825232B2/en
Publication of JPS53126969A publication Critical patent/JPS53126969A/en
Publication of JPS5825232B2 publication Critical patent/JPS5825232B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Protection Of Static Devices (AREA)

Abstract

PURPOSE: To provide an overvoltage detection circuit of high accuracy free from malfunctions by providing negative resistance characteristics to one of elements or series-connected resistors in the circuit of detecting overvoltages through the quantity of light emission of light emitting semiconductor elements.
COPYRIGHT: (C)1978,JPO&Japio
JP52041352A 1977-04-13 1977-04-13 Overvoltage detection circuit Expired JPS5825232B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52041352A JPS5825232B2 (en) 1977-04-13 1977-04-13 Overvoltage detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52041352A JPS5825232B2 (en) 1977-04-13 1977-04-13 Overvoltage detection circuit

Publications (2)

Publication Number Publication Date
JPS53126969A true JPS53126969A (en) 1978-11-06
JPS5825232B2 JPS5825232B2 (en) 1983-05-26

Family

ID=12606107

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52041352A Expired JPS5825232B2 (en) 1977-04-13 1977-04-13 Overvoltage detection circuit

Country Status (1)

Country Link
JP (1) JPS5825232B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6183969A (en) * 1984-09-29 1986-04-28 Toshiba Corp Apparatus for detecting voltage

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS515476U (en) * 1974-06-28 1976-01-16

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS515476B2 (en) * 1972-01-07 1976-02-20

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS515476U (en) * 1974-06-28 1976-01-16

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6183969A (en) * 1984-09-29 1986-04-28 Toshiba Corp Apparatus for detecting voltage

Also Published As

Publication number Publication date
JPS5825232B2 (en) 1983-05-26

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