JPS5477166A - Electronic watch - Google Patents
Electronic watchInfo
- Publication number
- JPS5477166A JPS5477166A JP14464877A JP14464877A JPS5477166A JP S5477166 A JPS5477166 A JP S5477166A JP 14464877 A JP14464877 A JP 14464877A JP 14464877 A JP14464877 A JP 14464877A JP S5477166 A JPS5477166 A JP S5477166A
- Authority
- JP
- Japan
- Prior art keywords
- driven
- sec
- drive pulses
- pulses
- step motor
- 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.)
- Granted
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
- G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
- Control Of Stepping Motors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14464877A JPS5477166A (en) | 1977-12-02 | 1977-12-02 | Electronic watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14464877A JPS5477166A (en) | 1977-12-02 | 1977-12-02 | Electronic watch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5477166A true JPS5477166A (en) | 1979-06-20 |
| JPS6140949B2 JPS6140949B2 (cs) | 1986-09-11 |
Family
ID=15366953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14464877A Granted JPS5477166A (en) | 1977-12-02 | 1977-12-02 | Electronic watch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5477166A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4502023B2 (ja) | 2008-02-20 | 2010-07-14 | カシオ計算機株式会社 | ステップモータ駆動装置、ステップモータ駆動プログラム及びステップモータ駆動方法 |
-
1977
- 1977-12-02 JP JP14464877A patent/JPS5477166A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6140949B2 (cs) | 1986-09-11 |
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