JPS59135387A - 電子時計 - Google Patents
電子時計Info
- Publication number
- JPS59135387A JPS59135387A JP19885083A JP19885083A JPS59135387A JP S59135387 A JPS59135387 A JP S59135387A JP 19885083 A JP19885083 A JP 19885083A JP 19885083 A JP19885083 A JP 19885083A JP S59135387 A JPS59135387 A JP S59135387A
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- load
- drive
- rotor
- motor
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 20
- 238000012937 correction Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 2
- 239000010453 quartz Substances 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
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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 |
|---|---|---|---|
| JP19885083A JPS59135387A (ja) | 1983-10-24 | 1983-10-24 | 電子時計 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19885083A JPS59135387A (ja) | 1983-10-24 | 1983-10-24 | 電子時計 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14302577A Division JPS586400B2 (ja) | 1977-11-29 | 1977-11-29 | 電子時計 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59135387A true JPS59135387A (ja) | 1984-08-03 |
| JPS63745B2 JPS63745B2 (en, 2012) | 1988-01-08 |
Family
ID=16397939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19885083A Granted JPS59135387A (ja) | 1983-10-24 | 1983-10-24 | 電子時計 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59135387A (en, 2012) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5412777A (en) * | 1977-06-29 | 1979-01-30 | Citizen Watch Co Ltd | Pulse motor driving circuit for watches |
-
1983
- 1983-10-24 JP JP19885083A patent/JPS59135387A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5412777A (en) * | 1977-06-29 | 1979-01-30 | Citizen Watch Co Ltd | Pulse motor driving circuit for watches |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63745B2 (en, 2012) | 1988-01-08 |
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