JPS5290046A - Voltage monitor circuit - Google Patents
Voltage monitor circuitInfo
- 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
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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5081272U (en) * | 1973-11-27 | 1975-07-12 |
-
1976
- 1976-01-22 JP JP650676A patent/JPS5290046A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5081272U (en) * | 1973-11-27 | 1975-07-12 |
Cited By (6)
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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