JPH0326355B2 - - Google Patents
Info
- Publication number
- JPH0326355B2 JPH0326355B2 JP1864482A JP1864482A JPH0326355B2 JP H0326355 B2 JPH0326355 B2 JP H0326355B2 JP 1864482 A JP1864482 A JP 1864482A JP 1864482 A JP1864482 A JP 1864482A JP H0326355 B2 JPH0326355 B2 JP H0326355B2
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- rotor
- detection
- output
- drive
- 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 description 72
- 230000000087 stabilizing effect Effects 0.000 description 20
- 238000010586 diagram Methods 0.000 description 10
- 230000004907 flux Effects 0.000 description 6
- 230000003068 static effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 5
- 230000006641 stabilisation Effects 0.000 description 5
- 238000011105 stabilization Methods 0.000 description 5
- 230000010355 oscillation Effects 0.000 description 4
- 238000003079 width control Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 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 (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1864482A JPS58140664A (ja) | 1982-02-08 | 1982-02-08 | アナログ電子時計 |
US06/375,649 US4477196A (en) | 1981-05-07 | 1982-05-06 | Analog electronic timepiece |
GB08213117A GB2101368B (en) | 1981-05-07 | 1982-05-06 | Improvements in or relating to pulse actuated stepping motor driven electronic timepieces. |
DE3217207A DE3217207C2 (de) | 1981-05-07 | 1982-05-07 | Elektronische Analoguhr |
CH286682A CH648179GA3 (en]) | 1981-05-07 | 1982-05-07 | |
SG533/86A SG53386G (en) | 1981-05-07 | 1986-06-12 | Improvements in or relating to pluse actuated stepping motor driven electronic timepieces |
HK739/86A HK73986A (en) | 1981-05-07 | 1986-10-02 | Improvements in or relating to pulse actuated stepping motor driven electronic timepieces |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1864482A JPS58140664A (ja) | 1982-02-08 | 1982-02-08 | アナログ電子時計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58140664A JPS58140664A (ja) | 1983-08-20 |
JPH0326355B2 true JPH0326355B2 (en]) | 1991-04-10 |
Family
ID=11977310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1864482A Granted JPS58140664A (ja) | 1981-05-07 | 1982-02-08 | アナログ電子時計 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58140664A (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994016365A1 (en) * | 1993-01-18 | 1994-07-21 | Seiko Instruments Inc. | Electronic timepiece |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019047559A (ja) * | 2017-08-30 | 2019-03-22 | カシオ計算機株式会社 | 回転制御装置、電子時計および回転制御方法 |
-
1982
- 1982-02-08 JP JP1864482A patent/JPS58140664A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994016365A1 (en) * | 1993-01-18 | 1994-07-21 | Seiko Instruments Inc. | Electronic timepiece |
Also Published As
Publication number | Publication date |
---|---|
JPS58140664A (ja) | 1983-08-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4522507A (en) | Step motor control mechanism for electronic timepiece | |
GB1592894A (en) | Electronic timepieces with stepping motordriven analogue time displays | |
GB2076566A (en) | Electronic timepiece | |
JPS6137588B2 (en]) | ||
JPH0326355B2 (en]) | ||
US4227135A (en) | Step motor driving circuit | |
JPS6148110B2 (en]) | ||
JPS6258476B2 (en]) | ||
JPS6115382B2 (en]) | ||
JPS6115384B2 (en]) | ||
JPS5832186A (ja) | アナログ電子時計 | |
JP2655645B2 (ja) | ステッピングモータ制御方法およびその制御装置 | |
JPS6243147B2 (en]) | ||
JPS6243149B2 (en]) | ||
JPS5833176A (ja) | アナログ電子時計 | |
JPS6118151B2 (en]) | ||
JPS6115385B2 (en]) | ||
JPS6261910B2 (en]) | ||
JPS6365912B2 (en]) | ||
JPS6318149B2 (en]) | ||
JPS6115386B2 (en]) | ||
JPS607480B2 (ja) | パルスモ−タの動作検出回路 | |
JPS6137587B2 (en]) | ||
JPS6323515B2 (en]) | ||
JPH023152B2 (en]) |