HK9481A - A driving arrangement for an electronic timepiece - Google Patents
A driving arrangement for an electronic timepieceInfo
- Publication number
- HK9481A HK9481A HK94/81A HK9481A HK9481A HK 9481 A HK9481 A HK 9481A HK 94/81 A HK94/81 A HK 94/81A HK 9481 A HK9481 A HK 9481A HK 9481 A HK9481 A HK 9481A
- Authority
- HK
- Hong Kong
- Prior art keywords
- load detection
- step motor
- driving
- electronic timepiece
- load
- Prior art date
Links
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)
- Electric Clocks (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Materials For Photolithography (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12014676A JPS5345575A (en) | 1976-10-06 | 1976-10-06 | Electronic wristwatch |
Publications (1)
Publication Number | Publication Date |
---|---|
HK9481A true HK9481A (en) | 1981-03-20 |
Family
ID=14779094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK94/81A HK9481A (en) | 1976-10-06 | 1981-03-12 | A driving arrangement for an electronic timepiece |
Country Status (7)
Country | Link |
---|---|
US (6) | US4212156A (de) |
JP (1) | JPS5345575A (de) |
CH (2) | CH633939B (de) |
DE (2) | DE2759956C1 (de) |
GB (1) | GB1557408A (de) |
HK (1) | HK9481A (de) |
MY (1) | MY8100338A (de) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5345575A (en) * | 1976-10-06 | 1978-04-24 | Seiko Epson Corp | Electronic wristwatch |
JPS53114467A (en) * | 1977-03-16 | 1978-10-05 | 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 |
JPS53132380A (en) * | 1977-04-23 | 1978-11-18 | Seiko Instr & Electronics Ltd | Electronic watch |
JPS53132384A (en) * | 1977-04-23 | 1978-11-18 | Seiko Instr & Electronics Ltd | Electronic watch |
JPS5477169A (en) * | 1977-12-02 | 1979-06-20 | Seiko Instr & Electronics Ltd | Electronic watch |
CH625384B (fr) * | 1977-12-20 | Ebauches Electroniques Sa | Dispositif de detection de la non rotation de moteurs pas a pas pour piece d'horlogerie et de rattrapage des pas perdus. | |
CH616045B (fr) * | 1978-06-20 | Ebauches Sa | Procede pour reduire la consommation d'une piece d'horlogerie electronique et piece d'horlogerie electronique mettant en oeuvre ce procede. | |
JPS5515054A (en) * | 1978-07-19 | 1980-02-01 | Seiko Instr & Electronics Ltd | Electronic watch |
JPS5921493B2 (ja) * | 1978-09-12 | 1984-05-21 | セイコーインスツルメンツ株式会社 | 時計の輪列負荷測定器 |
US4283783A (en) * | 1978-11-28 | 1981-08-11 | Citizen Watch Company Limited | Drive control system for stepping motor |
US4321521A (en) * | 1978-12-25 | 1982-03-23 | Kabushiki Kaisha Daini Seikosha | Detection device of electronic timepiece |
US4351039A (en) * | 1979-01-08 | 1982-09-21 | Jean-Claude Berney | Timepiece with a detector and control circuit for a stepping motor |
JPS55147381A (en) * | 1979-05-04 | 1980-11-17 | Seiko Instr & Electronics Ltd | Detector for electronic watch |
FR2459579A1 (fr) * | 1979-06-21 | 1981-01-09 | Suisse Horlogerie | Detecteur d'avance d'un moteur pas a pas |
FR2461399A1 (fr) * | 1979-07-09 | 1981-01-30 | Suisse Horlogerie | Detecteur de position d'un moteur pas a pas |
JPS5643575A (en) * | 1979-09-18 | 1981-04-22 | Seiko Instr & Electronics Ltd | Electronic clock |
DE2944872C2 (de) * | 1979-11-07 | 1981-11-19 | Gebrüder Junghans GmbH, 7230 Schramberg | Anordnung zur Steuerung eines Schrittmotors für batteriebetriebene Geräte |
CH641921B (fr) * | 1980-02-19 | Berney Sa Jean Claude | Piece d'horlogerie avec un dispositif de controle du moteur pas a pas. | |
JPS56164984A (en) * | 1980-05-23 | 1981-12-18 | Seiko Instr & Electronics Ltd | Electronic watch |
DE3428751A1 (de) * | 1984-08-03 | 1986-02-13 | EUROSIL electronic GmbH, 8057 Eching | Verfahren und schaltungsanordnung zur steuerung des laufs eines schrittmotors |
JPS6258189A (ja) * | 1985-09-09 | 1987-03-13 | Seiko Instr & Electronics Ltd | アナログ電子時計 |
CH671135GA3 (en) * | 1987-12-11 | 1989-08-15 | Control method for stepper motor - using magnetic field detector allowing compensation for ambient magnetic field by adjusting drive pulses | |
US4851755A (en) * | 1988-03-01 | 1989-07-25 | Ampex Corporation | Low power stepper motor drive system and method |
US5010282A (en) * | 1989-05-11 | 1991-04-23 | Eastman Kodak Company | Method and apparatus for driving a DC motor |
FR2668866B1 (fr) * | 1990-11-07 | 1992-12-31 | Ebauchesfabrik Eta Ag | Procede de commande d'un moteur pas a pas et dispositif pour la mise en óoeuvre de ce procede. |
US5550795A (en) * | 1993-01-18 | 1996-08-27 | Seiko Instruments Inc. | Electronic timepiece and a method of driving a stepping motor of electronic timepiece |
JP3256342B2 (ja) * | 1993-08-04 | 2002-02-12 | ティーアールダブリュ オートモーティブ ジャパン株式会社 | ステッピングモータの脱調検出装置 |
JPH08251992A (ja) * | 1995-03-15 | 1996-09-27 | Alps Electric Co Ltd | ステッピングモータ駆動装置 |
US5706888A (en) * | 1995-06-16 | 1998-01-13 | Geofurnace Systems, Inc. | Geothermal heat exchanger and heat pump circuit |
EP0764894B1 (de) * | 1995-09-20 | 2002-05-29 | Citizen Watch Co., Ltd. | Elektronische Uhr |
DE69600215T2 (de) * | 1996-02-13 | 1998-10-08 | Detra Sa | Verfahren und Vorrichtung zum Steuern eines einphasigen Schrittmotors |
WO1998041906A1 (fr) * | 1997-03-17 | 1998-09-24 | Citizen Watch Co., Ltd. | Montre electronique a generateur |
EP0982846B1 (de) * | 1998-08-25 | 2011-10-19 | ETA SA Manufacture Horlogère Suisse | Verfahren und Vorrichtung zur Regelung eines Schrittmotors |
JP2006226927A (ja) * | 2005-02-21 | 2006-08-31 | Seiko Instruments Inc | ステップモータ駆動装置及びアナログ電子時計 |
US8218014B2 (en) * | 2009-07-30 | 2012-07-10 | Microvision, Inc. | Electromagnetic scanner having variable coil width |
JP5711910B2 (ja) * | 2010-07-29 | 2015-05-07 | セミコンダクター・コンポーネンツ・インダストリーズ・リミテッド・ライアビリティ・カンパニー | モータ駆動回路 |
KR101350631B1 (ko) * | 2012-10-31 | 2014-01-13 | 삼성전기주식회사 | 모터 구동 장치 및 모터 구동 방법 |
JP2015061467A (ja) * | 2013-09-20 | 2015-03-30 | カシオ計算機株式会社 | ステッピングモータ及び時計 |
ES2934213T3 (es) * | 2015-06-05 | 2023-02-20 | Gogoro Inc | Sistemas y métodos para detección de carga de vehículo y respuesta |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1279058A (en) * | 1970-01-28 | 1972-06-21 | Seiko Instr & Electronics | Timepiece |
US3699762A (en) * | 1971-04-05 | 1972-10-24 | Timex Corp | Synchronized contact watch |
US3855751A (en) * | 1971-05-17 | 1974-12-24 | B Struthers | Building block |
JPS5319944B2 (de) * | 1971-09-25 | 1978-06-23 | ||
JPS5542356B2 (de) * | 1972-12-22 | 1980-10-30 | ||
JPS6024680B2 (ja) * | 1973-03-07 | 1985-06-14 | セイコーインスツルメンツ株式会社 | 時計用ステツプモ−タの駆動回路 |
JPS50120373A (de) * | 1974-03-05 | 1975-09-20 | ||
JPS5292560A (en) * | 1976-01-29 | 1977-08-04 | Seiko Instr & Electronics Ltd | Switch box drive pulse width control circuit for electronic clocks |
US4032827A (en) * | 1976-03-15 | 1977-06-28 | Timex Corporation | Driver circuit arrangement for a stepping motor |
JPS5345575A (en) * | 1976-10-06 | 1978-04-24 | Seiko Epson Corp | Electronic wristwatch |
-
1976
- 1976-10-06 JP JP12014676A patent/JPS5345575A/ja active Granted
-
1977
- 1977-10-03 CH CH1205477A patent/CH633939B/de unknown
- 1977-10-05 GB GB41441/77A patent/GB1557408A/en not_active Expired
- 1977-10-06 US US05/839,867 patent/US4212156A/en not_active Expired - Lifetime
- 1977-10-06 DE DE2759956A patent/DE2759956C1/de not_active Expired
- 1977-10-06 DE DE2745052A patent/DE2745052C2/de not_active Expired
-
1980
- 1980-03-24 US US06/133,046 patent/US4370065A/en not_active Expired - Lifetime
-
1981
- 1981-03-12 HK HK94/81A patent/HK9481A/xx not_active IP Right Cessation
- 1981-12-30 MY MY338/81A patent/MY8100338A/xx unknown
-
1982
- 1982-07-15 CH CH432182A patent/CH640387B/de unknown
- 1982-09-30 US US06/430,292 patent/US4522507A/en not_active Expired - Lifetime
-
1985
- 1985-06-10 US US06/742,832 patent/US4599005A/en not_active Expired - Lifetime
-
1986
- 1986-06-25 US US06/860,404 patent/US4715725A/en not_active Expired - Lifetime
-
1990
- 1990-10-01 US US07/593,358 patent/US5038329A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CH640387GA3 (de) | 1984-01-13 |
CH640387B (de) | |
US4599005A (en) | 1986-07-08 |
US4715725A (en) | 1987-12-29 |
DE2759956C1 (de) | 1990-08-02 |
DE2745052A1 (de) | 1978-04-20 |
CH633939GA3 (de) | 1983-01-14 |
JPS6217198B2 (de) | 1987-04-16 |
US4212156A (en) | 1980-07-15 |
GB1557408A (en) | 1979-12-12 |
MY8100338A (en) | 1981-12-31 |
US5038329A (en) | 1991-08-06 |
US4522507A (en) | 1985-06-11 |
JPS5345575A (en) | 1978-04-24 |
US4370065A (en) | 1983-01-25 |
DE2745052C2 (de) | 1982-04-15 |
CH633939B (de) |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE | Patent expired |