JPS53123174A - Failsafe dc voltage detecting circuit - Google Patents

Failsafe dc voltage detecting circuit

Info

Publication number
JPS53123174A
JPS53123174A JP3775677A JP3775677A JPS53123174A JP S53123174 A JPS53123174 A JP S53123174A JP 3775677 A JP3775677 A JP 3775677A JP 3775677 A JP3775677 A JP 3775677A JP S53123174 A JPS53123174 A JP S53123174A
Authority
JP
Japan
Prior art keywords
detecting circuit
failsafe
voltage detecting
circuit
voltage
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
JP3775677A
Other languages
Japanese (ja)
Inventor
Yoji Ono
Takehiko Hoshino
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.)
JAPANESE NATIONAL RAILWAYS<JNR>
Nippon Signal Co Ltd
Japan National Railways
Original Assignee
JAPANESE NATIONAL RAILWAYS<JNR>
Nippon Signal Co Ltd
Japan National Railways
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 JAPANESE NATIONAL RAILWAYS<JNR>, Nippon Signal Co Ltd, Japan National Railways filed Critical JAPANESE NATIONAL RAILWAYS<JNR>
Priority to JP3775677A priority Critical patent/JPS53123174A/en
Publication of JPS53123174A publication Critical patent/JPS53123174A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)

Abstract

PURPOSE: To block the operations of a level detecting circuit in the case of no input voltage or any trouble of a circuit by operating an oscillating circuit in response to the application of an input DC voltage.
COPYRIGHT: (C)1978,JPO&Japio
JP3775677A 1977-04-01 1977-04-01 Failsafe dc voltage detecting circuit Pending JPS53123174A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3775677A JPS53123174A (en) 1977-04-01 1977-04-01 Failsafe dc voltage detecting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3775677A JPS53123174A (en) 1977-04-01 1977-04-01 Failsafe dc voltage detecting circuit

Publications (1)

Publication Number Publication Date
JPS53123174A true JPS53123174A (en) 1978-10-27

Family

ID=12506303

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3775677A Pending JPS53123174A (en) 1977-04-01 1977-04-01 Failsafe dc voltage detecting circuit

Country Status (1)

Country Link
JP (1) JPS53123174A (en)

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