JPS5745483A - Circuit for electrooptic display timepiece - Google Patents
Circuit for electrooptic display timepieceInfo
- Publication number
- JPS5745483A JPS5745483A JP55121281A JP12128180A JPS5745483A JP S5745483 A JPS5745483 A JP S5745483A JP 55121281 A JP55121281 A JP 55121281A JP 12128180 A JP12128180 A JP 12128180A JP S5745483 A JPS5745483 A JP S5745483A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- voltage
- regulator
- inputted
- 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
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
- G04G19/02—Conversion or regulation of current or voltage
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
Abstract
PURPOSE:To prolong the life of batteries by applying the output of a voltage fluctuation type battery of silver dioxide, lithium or the like to an oscillation circuit via a regulator, and boosting the output of the regulator by the clock signal from the oscillation circuit. CONSTITUTION:The output of a silver dioxide battery 1 is stabilized by a voltage regulator 2, and provides an electric power source for a boosting circuit 3 and a circuit group 4 driven by low voltage. The circuit 3 doubles the voltage stabilized by the clock signal from a frequency dividing circuit 6 and a voltage regulator 2. The output of the boosting circuit 3 is the electric power source for the rear stage 8 of a frequency dividing circuit driven by high voltage, a counter 9 inputted with the output thereof, a decoder 10 inputted with the output of the counter 9, a display driving circuit 11 inputted with the output of the decoder 10, and a display device 12 which is an electrooptic display driven by the output of the circuit 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55121281A JPS5745483A (en) | 1980-09-02 | 1980-09-02 | Circuit for electrooptic display timepiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55121281A JPS5745483A (en) | 1980-09-02 | 1980-09-02 | Circuit for electrooptic display timepiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5745483A true JPS5745483A (en) | 1982-03-15 |
Family
ID=14807364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55121281A Pending JPS5745483A (en) | 1980-09-02 | 1980-09-02 | Circuit for electrooptic display timepiece |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5745483A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004029735A1 (en) * | 2002-09-24 | 2004-04-08 | Citizen Watch Co., Ltd. | Electronic clock, elctronic apparatus and starting method |
-
1980
- 1980-09-02 JP JP55121281A patent/JPS5745483A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004029735A1 (en) * | 2002-09-24 | 2004-04-08 | Citizen Watch Co., Ltd. | Electronic clock, elctronic apparatus and starting method |
| US7327638B2 (en) | 2002-09-24 | 2008-02-05 | Citizen Holdings Co., Ltd. | Electronic timepiece |
| CN100422879C (en) * | 2002-09-24 | 2008-10-01 | 西铁城控股株式会社 | Electronic clock, electronic apparatus and starting method |
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