JPS57211579A - Hand display type electronic watch - Google Patents
Hand display type electronic watchInfo
- Publication number
- JPS57211579A JPS57211579A JP9718181A JP9718181A JPS57211579A JP S57211579 A JPS57211579 A JP S57211579A JP 9718181 A JP9718181 A JP 9718181A JP 9718181 A JP9718181 A JP 9718181A JP S57211579 A JPS57211579 A JP S57211579A
- Authority
- JP
- Japan
- Prior art keywords
- display
- type electronic
- electronic watch
- time
- circuit
- 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
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
Abstract
PURPOSE:To provide a hand display type electronic watch which is reduced in power consumption, by a method wherein, corresponding to a counting value obtained by clock circuit after a drive pulse stops, an electromechanical converter is operated by a quick feed to restore a display to a present time. CONSTITUTION:If a crown switch 9 is pulled by one step, a drive circuit 4 stops applying a drive pulse to a step motor 7 of an electromechanical converter through a control and switching circuit 3 and hands of an analogue display mechanism 8 are left as they are brought to a stop. Simultaneously, a clock circuit 6 counts a stop time. If, with this, the switch 9 is depressed to a normal position, a quick feed pulse, corresponding to the counting value of the circuit 6, is applied to the motor 7, the display 8 is restored to a present time. The constitution prevents a drive pulse from being applied to a display motor at a non- use time and enables to perform a rapid and reliable return to a present time at a using time, which results in providing a hand display type electronic watch consuming no useless power and being reduced in a power consumption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9718181A JPS57211579A (en) | 1981-06-23 | 1981-06-23 | Hand display type electronic watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9718181A JPS57211579A (en) | 1981-06-23 | 1981-06-23 | Hand display type electronic watch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57211579A true JPS57211579A (en) | 1982-12-25 |
Family
ID=14185405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9718181A Pending JPS57211579A (en) | 1981-06-23 | 1981-06-23 | Hand display type electronic watch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57211579A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6177788A (en) * | 1984-09-26 | 1986-04-21 | Citizen Watch Co Ltd | Electronic timepiece |
| JPS6266189A (en) * | 1985-09-19 | 1987-03-25 | Seiko Epson Corp | Electronic clock |
| JPS6293686A (en) * | 1985-10-11 | 1987-04-30 | エタ・ソシエテ・アノニム・フアブリツク・デボ−シエ | Analog electronic clock |
| WO2002019041A1 (en) * | 2000-08-31 | 2002-03-07 | Citizen Watch Co.,Ltd. | Electronic clock |
-
1981
- 1981-06-23 JP JP9718181A patent/JPS57211579A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6177788A (en) * | 1984-09-26 | 1986-04-21 | Citizen Watch Co Ltd | Electronic timepiece |
| JPH0560075B2 (en) * | 1984-09-26 | 1993-09-01 | Citizen Watch Co Ltd | |
| JPS6266189A (en) * | 1985-09-19 | 1987-03-25 | Seiko Epson Corp | Electronic clock |
| JPS6293686A (en) * | 1985-10-11 | 1987-04-30 | エタ・ソシエテ・アノニム・フアブリツク・デボ−シエ | Analog electronic clock |
| WO2002019041A1 (en) * | 2000-08-31 | 2002-03-07 | Citizen Watch Co.,Ltd. | Electronic clock |
| US6819634B2 (en) | 2000-08-31 | 2004-11-16 | Citizen Watch Co., Ltd. | Electronic clock |
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