JPS5235670A - Electronic watch - Google Patents
Electronic watchInfo
- Publication number
- JPS5235670A JPS5235670A JP11182275A JP11182275A JPS5235670A JP S5235670 A JPS5235670 A JP S5235670A JP 11182275 A JP11182275 A JP 11182275A JP 11182275 A JP11182275 A JP 11182275A JP S5235670 A JPS5235670 A JP S5235670A
- Authority
- JP
- Japan
- Prior art keywords
- electronic watch
- voltage
- battery voltage
- detects
- charging
- 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
- 239000003990 capacitor Substances 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C10/00—Arrangements of electric power supplies in time pieces
- G04C10/04—Arrangements of electric power supplies in time pieces with means for indicating the condition of the power supply
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
PURPOSE:To provide a battery voltage detection circuit which detects battery voltage and accurately detects the decrease in battery voltage, by measuring the time when the charging and discharging voltage of a capacitor reaches preset voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11182275A JPS5235670A (en) | 1975-09-16 | 1975-09-16 | Electronic watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11182275A JPS5235670A (en) | 1975-09-16 | 1975-09-16 | Electronic watch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5235670A true JPS5235670A (en) | 1977-03-18 |
Family
ID=14571018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11182275A Pending JPS5235670A (en) | 1975-09-16 | 1975-09-16 | Electronic watch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5235670A (en) |
-
1975
- 1975-09-16 JP JP11182275A patent/JPS5235670A/en active Pending
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