JPS6212477B2 - - Google Patents
Info
- Publication number
- JPS6212477B2 JPS6212477B2 JP12000076A JP12000076A JPS6212477B2 JP S6212477 B2 JPS6212477 B2 JP S6212477B2 JP 12000076 A JP12000076 A JP 12000076A JP 12000076 A JP12000076 A JP 12000076A JP S6212477 B2 JPS6212477 B2 JP S6212477B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- drive
- waveform
- pulse
- output
- 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
- 230000010355 oscillation Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000010453 quartz Substances 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000003111 delayed effect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003079 width control 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 |
|---|---|---|---|
| JP12000076A JPS5345568A (en) | 1976-10-06 | 1976-10-06 | Electronic watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12000076A JPS5345568A (en) | 1976-10-06 | 1976-10-06 | Electronic watch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5345568A JPS5345568A (en) | 1978-04-24 |
| JPS6212477B2 true JPS6212477B2 (en, 2012) | 1987-03-18 |
Family
ID=14775404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12000076A Granted JPS5345568A (en) | 1976-10-06 | 1976-10-06 | Electronic watch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5345568A (en, 2012) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2944872C2 (de) * | 1979-11-07 | 1981-11-19 | Gebrüder Junghans GmbH, 7230 Schramberg | Anordnung zur Steuerung eines Schrittmotors für batteriebetriebene Geräte |
| FR2471077A1 (fr) * | 1979-12-06 | 1981-06-12 | Ebauches Sa | Asservissement en temps reel avec detection dynamique de rotation pour moteur pas-a-pas |
-
1976
- 1976-10-06 JP JP12000076A patent/JPS5345568A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5345568A (en) | 1978-04-24 |
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