JPS5290046A - Voltage monitor circuit - Google Patents

Voltage monitor circuit

Info

Publication number
JPS5290046A
JPS5290046A JP650676A JP650676A JPS5290046A JP S5290046 A JPS5290046 A JP S5290046A JP 650676 A JP650676 A JP 650676A JP 650676 A JP650676 A JP 650676A JP S5290046 A JPS5290046 A JP S5290046A
Authority
JP
Japan
Prior art keywords
voltage
power supply
monitor circuit
voltage monitor
diode
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
JP650676A
Other languages
Japanese (ja)
Other versions
JPS5716687B2 (en
Inventor
Kazuaki Kume
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.)
Denso Corp
Original Assignee
NipponDenso 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 NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP650676A priority Critical patent/JPS5290046A/en
Publication of JPS5290046A publication Critical patent/JPS5290046A/en
Publication of JPS5716687B2 publication Critical patent/JPS5716687B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Power Sources (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Stand-By Power Supply Arrangements (AREA)
  • Direct Current Feeding And Distribution (AREA)

Abstract

PURPOSE: To discriminate abnormal reduction of power supply voltage by forming a power supply with the charge of a capacitor charged from the power supply through a diode and generating a signal when the divided voltage of voltage division circuit for voltage-dividing the power supply voltage may be below a predetermined level.
COPYRIGHT: (C)1977,JPO&Japio
JP650676A 1976-01-22 1976-01-22 Voltage monitor circuit Granted JPS5290046A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP650676A JPS5290046A (en) 1976-01-22 1976-01-22 Voltage monitor circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP650676A JPS5290046A (en) 1976-01-22 1976-01-22 Voltage monitor circuit

Publications (2)

Publication Number Publication Date
JPS5290046A true JPS5290046A (en) 1977-07-28
JPS5716687B2 JPS5716687B2 (en) 1982-04-06

Family

ID=11640306

Family Applications (1)

Application Number Title Priority Date Filing Date
JP650676A Granted JPS5290046A (en) 1976-01-22 1976-01-22 Voltage monitor circuit

Country Status (1)

Country Link
JP (1) JPS5290046A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5440032U (en) * 1977-08-24 1979-03-16
JPS5778240U (en) * 1980-10-28 1982-05-14
JPS59153109A (en) * 1983-02-22 1984-09-01 Mitsutoyo Mfg Co Ltd Erroneous-operation monitoring device for changed-amount measuring apparatus
JPS60166037U (en) * 1984-04-12 1985-11-05 三菱自動車工業株式会社 Power supply circuit for microcomputer
JPH0389173A (en) * 1989-08-31 1991-04-15 Fujitsu Ltd Voltage drop detection circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5081272U (en) * 1973-11-27 1975-07-12

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5081272U (en) * 1973-11-27 1975-07-12

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5440032U (en) * 1977-08-24 1979-03-16
JPS5712439Y2 (en) * 1977-08-24 1982-03-12
JPS5778240U (en) * 1980-10-28 1982-05-14
JPS59153109A (en) * 1983-02-22 1984-09-01 Mitsutoyo Mfg Co Ltd Erroneous-operation monitoring device for changed-amount measuring apparatus
JPS60166037U (en) * 1984-04-12 1985-11-05 三菱自動車工業株式会社 Power supply circuit for microcomputer
JPH0389173A (en) * 1989-08-31 1991-04-15 Fujitsu Ltd Voltage drop detection circuit

Also Published As

Publication number Publication date
JPS5716687B2 (en) 1982-04-06

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