CH633939B - Elektronische armbanduhr. - Google Patents

Elektronische armbanduhr.

Info

Publication number
CH633939B
CH633939B CH1205477A CH1205477A CH633939B CH 633939 B CH633939 B CH 633939B CH 1205477 A CH1205477 A CH 1205477A CH 1205477 A CH1205477 A CH 1205477A CH 633939 B CH633939 B CH 633939B
Authority
CH
Switzerland
Prior art keywords
load detection
step motor
driving
load
load condition
Prior art date
Application number
CH1205477A
Other languages
English (en)
Other versions
CH633939GA3 (de
Inventor
Yoshikazu Kawamura
Minoru Hosokawa
Sakiho Okazaki
Hiroshi Ishii
Original Assignee
Suwa Seikosha Kk
Priority date (The priority date 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 date listed.)
Filing date
Publication of CH633939B publication Critical patent/CH633939B/de
Application filed by Suwa Seikosha Kk filed Critical Suwa Seikosha Kk
Publication of CH633939GA3 publication Critical patent/CH633939GA3/de

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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Materials For Photolithography (AREA)
  • Compositions Of Oxide Ceramics (AREA)
CH1205477A 1976-10-06 1977-10-03 Elektronische armbanduhr. CH633939B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12014676A JPS5345575A (en) 1976-10-06 1976-10-06 Electronic wristwatch

Publications (2)

Publication Number Publication Date
CH633939B true CH633939B (de)
CH633939GA3 CH633939GA3 (de) 1983-01-14

Family

ID=14779094

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1205477A CH633939B (de) 1976-10-06 1977-10-03 Elektronische armbanduhr.
CH432182A CH640387B (de) 1976-10-06 1982-07-15 Verfahren zur steuerung der energieaufnahme in einer elektronischen uhr und elektronische schaltung zur durchfuehrung des verfahrens.

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH432182A CH640387B (de) 1976-10-06 1982-07-15 Verfahren zur steuerung der energieaufnahme in einer elektronischen uhr und elektronische schaltung zur durchfuehrung des verfahrens.

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)

* Cited by examiner, † Cited by third party
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.
WO1994016365A1 (en) * 1993-01-18 1994-07-21 Seiko Instruments Inc. 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
DE69621392T2 (de) * 1995-09-20 2003-01-09 Citizen Watch Co Ltd Elektronische Uhr
ES2115422T3 (es) * 1996-02-13 1998-06-16 Detra Sa Procedimiento y dispositivo de alimentacion de un motor paso a paso monofasico.
US6021097A (en) * 1997-03-17 2000-02-01 Citizen Watch Company, Ltd. Electronic watch provided with an electrical generator
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
US10421462B2 (en) * 2015-06-05 2019-09-24 Gogoro Inc. Systems and methods for vehicle load detection and response

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US4599005A (en) 1986-07-08
US4212156A (en) 1980-07-15
JPS6217198B2 (de) 1987-04-16
DE2745052C2 (de) 1982-04-15
DE2745052A1 (de) 1978-04-20
US4715725A (en) 1987-12-29
CH640387GA3 (de) 1984-01-13
HK9481A (en) 1981-03-20
CH633939GA3 (de) 1983-01-14
GB1557408A (en) 1979-12-12
US4522507A (en) 1985-06-11
DE2759956C1 (de) 1990-08-02
CH640387B (de)
US5038329A (en) 1991-08-06
US4370065A (en) 1983-01-25
MY8100338A (en) 1981-12-31
JPS5345575A (en) 1978-04-24

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