JPS6318149B2 - - Google Patents
Info
- Publication number
- JPS6318149B2 JPS6318149B2 JP14465077A JP14465077A JPS6318149B2 JP S6318149 B2 JPS6318149 B2 JP S6318149B2 JP 14465077 A JP14465077 A JP 14465077A JP 14465077 A JP14465077 A JP 14465077A JP S6318149 B2 JPS6318149 B2 JP S6318149B2
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- pulse
- output
- circuit
- coil
- 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.)
- Expired
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 |
|---|---|---|---|
| JP14465077A JPS5477168A (en) | 1977-12-02 | 1977-12-02 | Electronic watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14465077A JPS5477168A (en) | 1977-12-02 | 1977-12-02 | Electronic watch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5477168A JPS5477168A (en) | 1979-06-20 |
| JPS6318149B2 true JPS6318149B2 (cg-RX-API-DMAC7.html) | 1988-04-16 |
Family
ID=15367005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14465077A Granted JPS5477168A (en) | 1977-12-02 | 1977-12-02 | Electronic watch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5477168A (cg-RX-API-DMAC7.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006226927A (ja) * | 2005-02-21 | 2006-08-31 | Seiko Instruments Inc | ステップモータ駆動装置及びアナログ電子時計 |
| JP2007218668A (ja) * | 2006-02-15 | 2007-08-30 | Seiko Instruments Inc | ステップモータ駆動回路及びアナログ電子時計 |
-
1977
- 1977-12-02 JP JP14465077A patent/JPS5477168A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006226927A (ja) * | 2005-02-21 | 2006-08-31 | Seiko Instruments Inc | ステップモータ駆動装置及びアナログ電子時計 |
| JP2007218668A (ja) * | 2006-02-15 | 2007-08-30 | Seiko Instruments Inc | ステップモータ駆動回路及びアナログ電子時計 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5477168A (en) | 1979-06-20 |