JPS5221870A - Circuit for detecting battery voltage - Google Patents

Circuit for detecting battery voltage

Info

Publication number
JPS5221870A
JPS5221870A JP9739275A JP9739275A JPS5221870A JP S5221870 A JPS5221870 A JP S5221870A JP 9739275 A JP9739275 A JP 9739275A JP 9739275 A JP9739275 A JP 9739275A JP S5221870 A JPS5221870 A JP S5221870A
Authority
JP
Japan
Prior art keywords
circuit
battery voltage
detecting battery
voltage
detecting
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
JP9739275A
Other languages
Japanese (ja)
Inventor
Kazuhiro Asano
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.)
Seiko Instruments Inc
Original Assignee
Daini Seikosha Co Ltd
Seiko Instruments and Electronics 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 Daini Seikosha Co Ltd, Seiko Instruments and Electronics Ltd filed Critical Daini Seikosha Co Ltd
Priority to JP9739275A priority Critical patent/JPS5221870A/en
Publication of JPS5221870A publication Critical patent/JPS5221870A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)

Abstract

PURPOSE: To provide a circuit for detecting the voltage of batteries in electronic clocks, etc. without being affected by temperatures by using a difference amplifying circuit, containing the MOSFET, one input terminal of which circuits is connected to a voltage dividing circuit, and the other to a constant-voltage source.
COPYRIGHT: (C)1977,JPO&Japio
JP9739275A 1975-08-11 1975-08-11 Circuit for detecting battery voltage Pending JPS5221870A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9739275A JPS5221870A (en) 1975-08-11 1975-08-11 Circuit for detecting battery voltage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9739275A JPS5221870A (en) 1975-08-11 1975-08-11 Circuit for detecting battery voltage

Publications (1)

Publication Number Publication Date
JPS5221870A true JPS5221870A (en) 1977-02-18

Family

ID=14191233

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9739275A Pending JPS5221870A (en) 1975-08-11 1975-08-11 Circuit for detecting battery voltage

Country Status (1)

Country Link
JP (1) JPS5221870A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146673A (en) * 1977-05-26 1978-12-20 Seiko Instr & Electronics Ltd Battery life detector
JPS5435785A (en) * 1977-08-18 1979-03-16 Mostek Corp Integrated circuit with supply voltage level detecting function
JPS54136380A (en) * 1978-04-14 1979-10-23 Seiko Instr & Electronics Ltd Supply voltage detecting circuit
JPS54155872A (en) * 1978-05-29 1979-12-08 Nippon Precision Circuits Power voltage detection circuit
JPS55101058A (en) * 1979-01-26 1980-08-01 Hitachi Ltd Detection circuit for operating lowest limit voltage
JPS55149879A (en) * 1978-09-05 1980-11-21 Motorola Inc Fet voltage level detection circuit
US4309627A (en) * 1978-04-14 1982-01-05 Kabushiki Kaisha Daini Seikosha Detecting circuit for a power source voltage
JPS5880564A (en) * 1981-11-09 1983-05-14 Matsushita Electric Ind Co Ltd voltage detection circuit

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146673A (en) * 1977-05-26 1978-12-20 Seiko Instr & Electronics Ltd Battery life detector
JPS5435785A (en) * 1977-08-18 1979-03-16 Mostek Corp Integrated circuit with supply voltage level detecting function
JPS54136380A (en) * 1978-04-14 1979-10-23 Seiko Instr & Electronics Ltd Supply voltage detecting circuit
US4309627A (en) * 1978-04-14 1982-01-05 Kabushiki Kaisha Daini Seikosha Detecting circuit for a power source voltage
JPS54155872A (en) * 1978-05-29 1979-12-08 Nippon Precision Circuits Power voltage detection circuit
JPS55149879A (en) * 1978-09-05 1980-11-21 Motorola Inc Fet voltage level detection circuit
JPS55101058A (en) * 1979-01-26 1980-08-01 Hitachi Ltd Detection circuit for operating lowest limit voltage
JPS5880564A (en) * 1981-11-09 1983-05-14 Matsushita Electric Ind Co Ltd voltage detection circuit

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