JPS5221870A - Circuit for detecting battery voltage - Google Patents
Circuit for detecting battery voltageInfo
- 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
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
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)
| 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 |
-
1975
- 1975-08-11 JP JP9739275A patent/JPS5221870A/en active Pending
Cited By (8)
| 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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