DE3214543C2 - - Google Patents
Info
- Publication number
- DE3214543C2 DE3214543C2 DE3214543A DE3214543A DE3214543C2 DE 3214543 C2 DE3214543 C2 DE 3214543C2 DE 3214543 A DE3214543 A DE 3214543A DE 3214543 A DE3214543 A DE 3214543A DE 3214543 C2 DE3214543 C2 DE 3214543C2
- Authority
- DE
- Germany
- Prior art keywords
- test
- pulse
- coil
- rotor
- measuring resistor
- 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
- 238000012360 testing method Methods 0.000 claims description 164
- 238000001514 detection method Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 21
- 238000000034 method Methods 0.000 description 21
- 230000004907 flux Effects 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 10
- 238000012937 correction Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 229920006395 saturated elastomer Polymers 0.000 description 7
- 230000005415 magnetization Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000005347 demagnetization Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000013101 initial test Methods 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000003079 width control Methods 0.000 description 2
- 101100352419 Pithecopus hypochondrialis psn1 gene Proteins 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000012549 training 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)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6179081A JPS57175977A (en) | 1981-04-23 | 1981-04-23 | Analogue electronic watch |
| JP56185849A JPS5886480A (ja) | 1981-11-19 | 1981-11-19 | アナログ電子時計 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3214543A1 DE3214543A1 (de) | 1982-11-11 |
| DE3214543C2 true DE3214543C2 (OSRAM) | 1987-12-03 |
Family
ID=26402870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19823214543 Granted DE3214543A1 (de) | 1981-04-23 | 1982-04-20 | Elektronische analoguhr |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH643426B (OSRAM) |
| DE (1) | DE3214543A1 (OSRAM) |
| GB (1) | GB2101367B (OSRAM) |
| HK (1) | HK10387A (OSRAM) |
| SG (1) | SG53286G (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19818775B4 (de) * | 1997-04-25 | 2015-09-24 | Seiko Instruments Inc. | Elektronische Uhr |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994016365A1 (en) * | 1993-01-18 | 1994-07-21 | Seiko Instruments Inc. | Electronic timepiece |
| JP4343549B2 (ja) * | 2003-02-24 | 2009-10-14 | セイコーインスツル株式会社 | ステップモータ制御装置及び電子時計 |
| US11233477B2 (en) | 2018-06-07 | 2022-01-25 | Ab Mikroelektronik Gesellschaft Mit Beschraenkter Haftung | Method and system for controlling an electric motor and detecting a stall condition |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53132386A (en) * | 1977-04-23 | 1978-11-18 | Seiko Instr & Electronics Ltd | Electronic watch |
| JPS53132382A (en) * | 1977-04-23 | 1978-11-18 | Seiko Instr & Electronics Ltd | Electronic watch |
| JPS53132381A (en) * | 1977-04-23 | 1978-11-18 | Seiko Instr & Electronics Ltd | Electronic watch |
| JPS5643575A (en) * | 1979-09-18 | 1981-04-22 | Seiko Instr & Electronics Ltd | Electronic clock |
-
1982
- 1982-04-20 DE DE19823214543 patent/DE3214543A1/de active Granted
- 1982-04-21 GB GB08211495A patent/GB2101367B/en not_active Expired
- 1982-04-23 CH CH248782A patent/CH643426B/de unknown
-
1986
- 1986-06-12 SG SG532/86A patent/SG53286G/en unknown
-
1987
- 1987-01-28 HK HK103/87A patent/HK10387A/xx not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19818775B4 (de) * | 1997-04-25 | 2015-09-24 | Seiko Instruments Inc. | Elektronische Uhr |
Also Published As
| Publication number | Publication date |
|---|---|
| CH643426GA3 (OSRAM) | 1984-06-15 |
| DE3214543A1 (de) | 1982-11-11 |
| GB2101367A (en) | 1983-01-12 |
| GB2101367B (en) | 1984-09-05 |
| SG53286G (en) | 1988-02-19 |
| CH643426B (de) | |
| HK10387A (en) | 1987-02-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: SHIMAUCHI SEIKI K.K., SUWA, NAGANO, JP KABUSHIKI K |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: HOFFMANN, E., DIPL.-ING., PAT.-ANW., 82166 GRAEFELFING |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: SHIMAUCHI SEIKI K.K., SUWA, NAGANO, JP SEIKO EPSON |