JPS6114477B2 - - Google Patents
Info
- Publication number
- JPS6114477B2 JPS6114477B2 JP15482779A JP15482779A JPS6114477B2 JP S6114477 B2 JPS6114477 B2 JP S6114477B2 JP 15482779 A JP15482779 A JP 15482779A JP 15482779 A JP15482779 A JP 15482779A JP S6114477 B2 JPS6114477 B2 JP S6114477B2
- Authority
- JP
- Japan
- Prior art keywords
- step motor
- circuit
- pulse
- current
- pulse width
- 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
- 230000010354 integration Effects 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 239000013078 crystal Substances 0.000 description 5
- 238000003079 width control Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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)
- Control Of Stepping Motors (AREA)
- Electromechanical Clocks (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15482779A JPS5677778A (en) | 1979-11-29 | 1979-11-29 | Driving device for timepiece step motor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15482779A JPS5677778A (en) | 1979-11-29 | 1979-11-29 | Driving device for timepiece step motor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5677778A JPS5677778A (en) | 1981-06-26 |
JPS6114477B2 true JPS6114477B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-04-18 |
Family
ID=15592739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15482779A Granted JPS5677778A (en) | 1979-11-29 | 1979-11-29 | Driving device for timepiece step motor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5677778A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62285377A (ja) * | 1986-06-04 | 1987-12-11 | ヒロセ電機株式会社 | シ−ルド型電気コネクタ及びその結線方法 |
JPS6314379U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1986-07-15 | 1988-01-30 | ||
JPS6358476U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1986-10-02 | 1988-04-19 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH640999B (fr) * | 1980-08-25 | Ebauchesfabrik Eta Ag | Procede et dispositif de commande d'une moteur pas a pas de piece d'horlogerie electronique. |
-
1979
- 1979-11-29 JP JP15482779A patent/JPS5677778A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62285377A (ja) * | 1986-06-04 | 1987-12-11 | ヒロセ電機株式会社 | シ−ルド型電気コネクタ及びその結線方法 |
JPS6314379U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1986-07-15 | 1988-01-30 | ||
JPS6358476U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1986-10-02 | 1988-04-19 |
Also Published As
Publication number | Publication date |
---|---|
JPS5677778A (en) | 1981-06-26 |