JPS62106165U - - Google Patents
Info
- Publication number
- JPS62106165U JPS62106165U JP19898885U JP19898885U JPS62106165U JP S62106165 U JPS62106165 U JP S62106165U JP 19898885 U JP19898885 U JP 19898885U JP 19898885 U JP19898885 U JP 19898885U JP S62106165 U JPS62106165 U JP S62106165U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- battery
- resistors
- detection device
- divided
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 description 2
- 229910001923 silver oxide Inorganic materials 0.000 description 1
Landscapes
- Electromechanical Clocks (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
リチウム電池と電圧検出回路の温度特性を比較し
て示す特性図、第３図は電池電圧と検出電圧とを
示す特性図、第４図は酸化銀電池、リチウム電池
および検出電圧の温度特性図である。
１……電池、２……時計制御部、３……電圧検
出回路、Ｒ１，Ｒ２……拡散抵抗、Ｑ１，Ｑ９…
…トランジスタ。
FIG. 1 is a circuit diagram of an embodiment of the present invention, FIG. 2 is a characteristic diagram comparing the temperature characteristics of a lithium battery and a voltage detection circuit, and FIG. 3 is a characteristic diagram showing battery voltage and detection voltage. FIG. 4 is a temperature characteristic diagram of a silver oxide battery, a lithium battery, and a detected voltage. DESCRIPTION OF SYMBOLS 1...Battery, 2...Clock control unit, 3...Voltage detection circuit, R1 , R2 ...Diffused resistance, Q1 , Q9 ...
...transistor.
Claims (1)
、この分圧電圧が予め定めた電圧より低くなつた
ときに、電池切れを検出する電圧検出装置におい
て、上記電池の電圧を分圧する第１，第２の抵抗
の温度係数を異ならせてなることを特徴とする電
池電圧検出装置。 In a voltage detection device that divides the battery voltage by first and second resistors and detects a dead battery when the divided voltage becomes lower than a predetermined voltage, the voltage of the battery is divided. A battery voltage detection device characterized in that first and second resistors have different temperature coefficients.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19898885U JPS62106165U (en) | 1985-12-23 | 1985-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19898885U JPS62106165U (en) | 1985-12-23 | 1985-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62106165U true JPS62106165U (en) | 1987-07-07 |
Family
ID=31160194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19898885U Pending JPS62106165U (en) | 1985-12-23 | 1985-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62106165U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11326398A (en) * | 1998-05-08 | 1999-11-26 | Matsushita Electron Corp | Voltage detection circuit |
| WO2001098843A1 (en) * | 2000-06-21 | 2001-12-27 | Citizen Watch Co.,Ltd. | Power generating type electronic clock and method for controlling the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56138257A (en) * | 1980-03-31 | 1981-10-28 | Yaskawa Electric Mfg Co Ltd | Battery voltage detection circuit |
-
1985
- 1985-12-23 JP JP19898885U patent/JPS62106165U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56138257A (en) * | 1980-03-31 | 1981-10-28 | Yaskawa Electric Mfg Co Ltd | Battery voltage detection circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11326398A (en) * | 1998-05-08 | 1999-11-26 | Matsushita Electron Corp | Voltage detection circuit |
| WO2001098843A1 (en) * | 2000-06-21 | 2001-12-27 | Citizen Watch Co.,Ltd. | Power generating type electronic clock and method for controlling the same |
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