HK18484A - Improvements in or relating to electronic timepieces with stepping motor driven analog time displays - Google Patents

Improvements in or relating to electronic timepieces with stepping motor driven analog time displays

Info

Publication number
HK18484A
HK18484A HK184/83A HK18484A HK18484A HK 18484 A HK18484 A HK 18484A HK 184/83 A HK184/83 A HK 184/83A HK 18484 A HK18484 A HK 18484A HK 18484 A HK18484 A HK 18484A
Authority
HK
Hong Kong
Prior art keywords
pulse
relating
stepping motor
motor driven
analog time
Prior art date
Application number
HK184/83A
Other languages
English (en)
Original Assignee
Seiko Instr & Electronics
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 date
Application filed by Seiko Instr & Electronics filed Critical Seiko Instr & Electronics
Publication of HK18484A publication Critical patent/HK18484A/xx

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
    • H02P8/14—Arrangements for controlling speed or speed and torque
    • H02P8/16—Reducing energy dissipated or supplied
    • 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

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
  • Electric Clocks (AREA)
HK184/83A 1977-04-23 1984-03-01 Improvements in or relating to electronic timepieces with stepping motor driven analog time displays HK18484A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4708877A JPS53132380A (en) 1977-04-23 1977-04-23 Electronic watch

Publications (1)

Publication Number Publication Date
HK18484A true HK18484A (en) 1984-03-09

Family

ID=12765415

Family Applications (1)

Application Number Title Priority Date Filing Date
HK184/83A HK18484A (en) 1977-04-23 1984-03-01 Improvements in or relating to electronic timepieces with stepping motor driven analog time displays

Country Status (8)

Country Link
US (1) US4312059A (ja)
JP (1) JPS53132380A (ja)
CH (1) CH628772B (ja)
DE (1) DE2817601A1 (ja)
FR (1) FR2388323A1 (ja)
GB (1) GB1592894A (ja)
HK (1) HK18484A (ja)
SG (1) SG64983G (ja)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
FR2464478A1 (fr) * 1979-09-04 1981-03-06 Suisse Horlogerie Detecteur d'avance d'un moteur pas a pas
DE2944872C2 (de) * 1979-11-07 1981-11-19 Gebrüder Junghans GmbH, 7230 Schramberg Anordnung zur Steuerung eines Schrittmotors für batteriebetriebene Geräte
FR2471077A1 (fr) * 1979-12-06 1981-06-12 Ebauches Sa Asservissement en temps reel avec detection dynamique de rotation pour moteur pas-a-pas
JPS5886480A (ja) * 1981-11-19 1983-05-24 Shimauchi Seiki Kk アナログ電子時計
US4477196A (en) * 1981-05-07 1984-10-16 Kabushiki Kaisha Suwa Seikosha Analog electronic timepiece
US4788527A (en) * 1984-09-17 1988-11-29 Johansson Fritz H Apparatus and method for device control using a two conductor power line
JP2662785B2 (ja) * 1987-09-08 1997-10-15 セイコー電子工業株式会社 アクチュエータ駆動回路
WO1993019404A1 (en) * 1992-03-18 1993-09-30 Citizen Watch Co., Ltd. Electronic machine with vibratory alarm
JP3541601B2 (ja) * 1997-02-07 2004-07-14 セイコーエプソン株式会社 ステッピングモーターの制御装置、その制御方法および計時装置
JP2003344565A (ja) * 2002-05-29 2003-12-03 Seiko Instruments Inc 電子時計
JP4236956B2 (ja) * 2003-02-24 2009-03-11 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
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
DE10314426B4 (de) * 2003-03-31 2006-09-14 Junghans Uhren Gmbh Verfahren zur Dreherkennung eines wenigstens einen Zeiger einer Uhr antreibenden Schrittmotors
JP2009276223A (ja) * 2008-05-15 2009-11-26 Seiko Instruments Inc ステッピングモータ駆動回路及びアナログ電子時計
JP6772500B2 (ja) 2016-03-22 2020-10-21 カシオ計算機株式会社 回転検出装置および電子時計
JP6414115B2 (ja) 2016-03-25 2018-10-31 カシオ計算機株式会社 ステッピングモータ、モータ駆動装置及び時刻表示装置
JP7052193B2 (ja) 2016-09-26 2022-04-12 カシオ計算機株式会社 ステッピングモータ、回転検出装置、および電子時計
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3662245A (en) * 1969-12-16 1972-05-09 Mesur Matic Electronics Corp Control circuit for energizing the windings of multi-phase step motors including a two level supply voltage
JPS5542356B2 (ja) * 1972-12-22 1980-10-30
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
FR2388323A1 (fr) 1978-11-17
DE2817601A1 (de) 1978-10-26
JPS6115380B2 (ja) 1986-04-23
CH628772GA3 (ja) 1982-03-31
JPS53132380A (en) 1978-11-18
GB1592894A (en) 1981-07-08
FR2388323B1 (ja) 1983-08-26
CH628772B (fr)
US4312059A (en) 1982-01-19
SG64983G (en) 1984-07-27

Similar Documents

Publication Publication Date Title
HK18484A (en) Improvements in or relating to electronic timepieces with stepping motor driven analog time displays
SG65083G (en) Improvements in or relating to electronic timepieces
JPS5280063A (en) Reversible pulse motor system and watch
GB1453902A (en) Stepper motor driving circuit arrangement for an electronic timepiece
CH635477B (fr) Circuit detecteur de la rotation du moteur pas a pas d'une piece d'horlogerie electronique.
GB1528535A (en) Timepiece
CH639235B (fr) Dispositif de detection de rotation/non-rotation et de production d'impulsions correctrices, pour piece d'horlogerie electronique, notamment pour montre-bracelet electronique.
SG64583G (en) Improvements in or relating to electronic timepieces with stepping motor driven analog time displays
FR2388330B1 (ja)
FR2355321B1 (ja)
JPS53132383A (en) Electronic watch circuit
GB1534105A (en) Electric motor
CH665326GA3 (ja)
FR2388329A1 (fr) Mouvement d'horlogerie electronique/r
FR2388324A1 (fr) Montre electronique analogique a faible consommation
HK40782A (en) Improvements in or relating to electronic timepieces having time display means driven by stepping electric motors
JPS5384782A (en) Electronic wristwatch
CH635721B (fr) Montre electronique, notamment montre-bracelet electronique, a affichage analogique.
JPS55160890A (en) Analog type chronograph
JPS52120866A (en) Electronic timepiece
JPS6116545Y2 (ja)
JPS5486723A (en) Step motor for electronic watch
JPS57211086A (en) Electronic timepiece
JPS549670A (en) Electroomechanical timepiece
JPS57190288A (en) Time correction mechanism for electronic watch

Legal Events

Date Code Title Description
PE Patent expired