JPS6118151B2 - - Google Patents
Info
- Publication number
- JPS6118151B2 JPS6118151B2 JP12014776A JP12014776A JPS6118151B2 JP S6118151 B2 JPS6118151 B2 JP S6118151B2 JP 12014776 A JP12014776 A JP 12014776A JP 12014776 A JP12014776 A JP 12014776A JP S6118151 B2 JPS6118151 B2 JP S6118151B2
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- load
- circuit
- drive
- rotor
- 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
- 238000001514 detection method Methods 0.000 claims description 29
- 238000012937 correction Methods 0.000 claims description 24
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 14
- 230000007246 mechanism Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer 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)
- Electromechanical Clocks (AREA)
- Control Of Stepping Motors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12014776A JPS5345576A (en) | 1976-10-06 | 1976-10-06 | Electronic wristwatch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12014776A JPS5345576A (en) | 1976-10-06 | 1976-10-06 | Electronic wristwatch |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23887085A Division JPS6193976A (ja) | 1985-10-25 | 1985-10-25 | 電子時計 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5345576A JPS5345576A (en) | 1978-04-24 |
| JPS6118151B2 true JPS6118151B2 (enEXAMPLES) | 1986-05-10 |
Family
ID=14779118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12014776A Granted JPS5345576A (en) | 1976-10-06 | 1976-10-06 | Electronic wristwatch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5345576A (enEXAMPLES) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH641921B (fr) * | 1980-02-19 | Berney Sa Jean Claude | Piece d'horlogerie avec un dispositif de controle du moteur pas a pas. | |
| US4433852A (en) * | 1981-02-12 | 1984-02-28 | Hon Corporation | Foldable and portable vehicle |
| JP5523667B2 (ja) * | 2007-12-18 | 2014-06-18 | セイコーインスツル株式会社 | ステッピングモータ制御回路及びアナログ電子時計 |
-
1976
- 1976-10-06 JP JP12014776A patent/JPS5345576A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5345576A (en) | 1978-04-24 |