JPS6261909B2 - - Google Patents
Info
- Publication number
- JPS6261909B2 JPS6261909B2 JP3484276A JP3484276A JPS6261909B2 JP S6261909 B2 JPS6261909 B2 JP S6261909B2 JP 3484276 A JP3484276 A JP 3484276A JP 3484276 A JP3484276 A JP 3484276A JP S6261909 B2 JPS6261909 B2 JP S6261909B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- rotor
- drive
- detection circuit
- 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 26
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- 230000007246 mechanism Effects 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
- 230000007935 neutral effect Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000007257 malfunction 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)
- Electromechanical Clocks (AREA)
- Control Of Stepping Motors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3484276A JPS52119267A (en) | 1976-03-30 | 1976-03-30 | Electronic wristwatch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3484276A JPS52119267A (en) | 1976-03-30 | 1976-03-30 | Electronic wristwatch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52119267A JPS52119267A (en) | 1977-10-06 |
| JPS6261909B2 true JPS6261909B2 (enrdf_load_stackoverflow) | 1987-12-23 |
Family
ID=12425435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3484276A Granted JPS52119267A (en) | 1976-03-30 | 1976-03-30 | Electronic wristwatch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS52119267A (enrdf_load_stackoverflow) |
-
1976
- 1976-03-30 JP JP3484276A patent/JPS52119267A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52119267A (en) | 1977-10-06 |