JPS5240173A - Voltage detection circuit - Google Patents

Voltage detection circuit

Info

Publication number
JPS5240173A
JPS5240173A JP11619575A JP11619575A JPS5240173A JP S5240173 A JPS5240173 A JP S5240173A JP 11619575 A JP11619575 A JP 11619575A JP 11619575 A JP11619575 A JP 11619575A JP S5240173 A JPS5240173 A JP S5240173A
Authority
JP
Japan
Prior art keywords
detection circuit
voltage detection
power supply
current
zener 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
JP11619575A
Other languages
Japanese (ja)
Other versions
JPS604431B2 (en
Inventor
Yoshio Ogino
Kenji Hattori
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP50116195A priority Critical patent/JPS604431B2/en
Publication of JPS5240173A publication Critical patent/JPS5240173A/en
Publication of JPS604431B2 publication Critical patent/JPS604431B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To use a current-variable zener diode as a reference voltage source thereby making possible accurate detection of power supply voltage regardless to its voltage variations and temperature changes with a simple circuit.
COPYRIGHT: (C)1977,JPO&Japio
JP50116195A 1975-09-25 1975-09-25 voltage detection circuit Expired JPS604431B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50116195A JPS604431B2 (en) 1975-09-25 1975-09-25 voltage detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50116195A JPS604431B2 (en) 1975-09-25 1975-09-25 voltage detection circuit

Publications (2)

Publication Number Publication Date
JPS5240173A true JPS5240173A (en) 1977-03-28
JPS604431B2 JPS604431B2 (en) 1985-02-04

Family

ID=14681178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50116195A Expired JPS604431B2 (en) 1975-09-25 1975-09-25 voltage detection circuit

Country Status (1)

Country Link
JP (1) JPS604431B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053065U (en) * 1983-09-21 1985-04-13 株式会社東芝 voltage comparison circuit
JPS616773U (en) * 1984-06-19 1986-01-16 株式会社東芝 voltage comparison circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053065U (en) * 1983-09-21 1985-04-13 株式会社東芝 voltage comparison circuit
JPS616773U (en) * 1984-06-19 1986-01-16 株式会社東芝 voltage comparison circuit

Also Published As

Publication number Publication date
JPS604431B2 (en) 1985-02-04

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