JPS6363875B2 - - Google Patents
Info
- Publication number
- JPS6363875B2 JPS6363875B2 JP55114162A JP11416280A JPS6363875B2 JP S6363875 B2 JPS6363875 B2 JP S6363875B2 JP 55114162 A JP55114162 A JP 55114162A JP 11416280 A JP11416280 A JP 11416280A JP S6363875 B2 JPS6363875 B2 JP S6363875B2
- Authority
- JP
- Japan
- Prior art keywords
- main drive
- signal
- rotation
- detection
- rotation detection
- 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 |
---|---|---|---|
JP11416280A JPS5739375A (en) | 1980-08-20 | 1980-08-20 | Electronic timepiece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11416280A JPS5739375A (en) | 1980-08-20 | 1980-08-20 | Electronic timepiece |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5739375A JPS5739375A (en) | 1982-03-04 |
JPS6363875B2 true JPS6363875B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-12-08 |
Family
ID=14630708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11416280A Granted JPS5739375A (en) | 1980-08-20 | 1980-08-20 | Electronic timepiece |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5739375A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58213279A (ja) * | 1982-06-04 | 1983-12-12 | Seiko Epson Corp | アナログ電子時計 |
JPH07107551B2 (ja) * | 1987-02-20 | 1995-11-15 | 株式会社精工舎 | 電磁駆動回路 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5477162A (en) * | 1977-12-02 | 1979-06-20 | Seiko Instr & Electronics Ltd | Electronic watch |
JPS5533642A (en) * | 1978-08-31 | 1980-03-08 | Seiko Instr & Electronics Ltd | Step motor device for electronic watch |
JPS5717884A (en) * | 1980-07-08 | 1982-01-29 | Citizen Watch Co Ltd | Electronic timepiece |
-
1980
- 1980-08-20 JP JP11416280A patent/JPS5739375A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5739375A (en) | 1982-03-04 |