CH628201B - Piece d'horlogerie electronique, notamment montre-bracelet electronique. - Google Patents

Piece d'horlogerie electronique, notamment montre-bracelet electronique.

Info

Publication number
CH628201B
CH628201B CH447178A CH447178A CH628201B CH 628201 B CH628201 B CH 628201B CH 447178 A CH447178 A CH 447178A CH 447178 A CH447178 A CH 447178A CH 628201 B CH628201 B CH 628201B
Authority
CH
Switzerland
Prior art keywords
pulse
stepping motor
circuit
rotation
drive
Prior art date
Application number
CH447178A
Other languages
English (en)
French (fr)
Other versions
CH628201GA3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Makoto Ueda
Akira Torisawa
Katsuhiko Sato
Masaharu Shida
Masaaki Mandai
Kazuhiro Asano
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 of CH628201B publication Critical patent/CH628201B/fr
Application filed by Seiko Instr & Electronics filed Critical Seiko Instr & Electronics
Publication of CH628201GA3 publication Critical patent/CH628201GA3/fr

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)
  • Electromechanical Clocks (AREA)
  • Control Of Stepping Motors (AREA)
  • Adornments (AREA)
CH447178A 1977-04-23 1978-04-24 Piece d'horlogerie electronique, notamment montre-bracelet electronique. CH628201B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4709477A JPS53132384A (en) 1977-04-23 1977-04-23 Electronic watch

Publications (2)

Publication Number Publication Date
CH628201B true CH628201B (fr)
CH628201GA3 CH628201GA3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-02-26

Family

ID=12765589

Family Applications (1)

Application Number Title Priority Date Filing Date
CH447178A CH628201B (fr) 1977-04-23 1978-04-24 Piece d'horlogerie electronique, notamment montre-bracelet electronique.

Country Status (8)

Country Link
US (1) US4272837A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS53132384A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH628201B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2817656C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2388328B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1592896A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
HK (1) HK18584A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SG (1) SG64583G (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53132382A (en) * 1977-04-23 1978-11-18 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.
JPS5612577A (en) 1979-07-13 1981-02-06 Seiko Instr & Electronics Ltd Electronic clock
JPS5619473A (en) * 1979-07-27 1981-02-24 Citizen Watch Co Ltd Electronic timepiece
JPS5643575A (en) * 1979-09-18 1981-04-22 Seiko Instr & Electronics Ltd Electronic clock
US4791343A (en) * 1987-08-31 1988-12-13 Allied-Signal Inc. Stepper motor shaft position sensor
JPH01282491A (ja) * 1988-05-07 1989-11-14 Seiko Epson Corp 補償回路
JP3248304B2 (ja) * 1993-07-07 2002-01-21 松下電器産業株式会社 Ｄａｃ出力値算出回路
JP4863871B2 (ja) 2004-06-04 2012-01-25 セイコーインスツル株式会社 アナログ電子時計及びモータ制御回路
JP2010145106A (ja) * 2008-12-16 2010-07-01 Seiko Instruments Inc ステッピングモータ制御回路及びアナログ電子時計
JP5363269B2 (ja) * 2008-12-25 2013-12-11 セイコーインスツル株式会社 ステッピングモータ制御回路及びアナログ電子時計
JP2011158434A (ja) * 2010-02-03 2011-08-18 Seiko Instruments Inc ステッピングモータ制御回路及びアナログ電子時計
JP7242306B2 (ja) * 2019-01-11 2023-03-20 セイコーインスツル株式会社 時計及び時計用モータ制御方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5542356B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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
JPS5010433A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-06-04 1975-02-03
US3896363A (en) * 1974-03-18 1975-07-22 Cincinnati Milacron Inc Feedback circuit for detecting the failure of a stepping motor to respond to the control circuit
GB1475841A (en) * 1974-04-24 1977-06-10 Suwa Seikosha Kk Electronic timepiece
JPS5210508A (en) * 1975-07-15 1977-01-26 Inoue Japax Res Inc Step motor
JPS5213609A (en) * 1975-07-24 1977-02-02 Seiko Instr & Electronics Ltd Circuit to decide the rotation of the step motor for a clock
JPS5292560A (en) * 1976-01-29 1977-08-04 Seiko Instr & Electronics Ltd Switch box drive pulse width control circuit for electronic clocks
US4129981A (en) * 1976-02-06 1978-12-19 Citizen Watch Company Limited Electronic timepiece
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
JPS5370873A (en) * 1976-12-07 1978-06-23 Seiko Epson Corp Electronic wristwatch
JPS53114467A (en) * 1977-03-16 1978-10-05 Seiko Instr & Electronics Ltd Electronic watch

Also Published As

Publication number Publication date
DE2817656A1 (de) 1978-10-26
JPS53132384A (en) 1978-11-18
GB1592896A (en) 1981-07-08
CH628201GA3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-02-26
US4272837A (en) 1981-06-09
JPS6137588B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-08-25
FR2388328B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1983-10-21
HK18584A (en) 1984-03-09
SG64583G (en) 1984-07-27
FR2388328A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-11-17
DE2817656C2 (de) 1987-01-29

Similar Documents

Publication Publication Date Title
CH628201B (fr) Piece d'horlogerie electronique, notamment montre-bracelet electronique.
US4599005A (en) Step motor control mechanism for electronic timepiece
CH639815B (fr) Piece d'horlogerie electronique, notamment montre-bracelet electronique.
GB1425840A (en) Electronic timepiece
CH635719B (fr) Montre electronique, notamment montre-bracelet electronique.
CH628772B (fr) Piece d'horlogerie electronique.
CH625384B (fr) Dispositif de detection de la non rotation de moteurs pas a pas pour piece d'horlogerie et de rattrapage des pas perdus.
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.
SE8101540L (sv) Hastighetsregleranordning
CH631594B (fr) Piece d'horlogerie electronique.
GB2037025A (en) Analog electronic timepiece
GB2030734B (en) Load measuring arrangement for a stepping motor
CH630501B (fr) Circuit de correction-ajustage du temps pour piece d'horlogerie electronique, notamment montre-bracelet electronique.
CH635721GA3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US4461583A (en) Alarm electronic timepiece having a stepping motor
JPS5587077A (en) Detector for electronic watch
JPS5767881A (en) Detecting circuit for analog timepiece
CH635722B (fr) Piece d'horlogerie comportant un circuit de detection et de controle pour moteur pas a pas.
JPS57104882A (en) Power on clear circuit in electronic watch
JPS5773690A (en) Electronic timepiece
JPS56104273A (en) Timepiece regulated by time-signal tone
JPS5479412A (en) Electronic clock use step motor
JPS57166584A (en) Electronic wrist watch with illuminating device
JPS5728281A (en) Electronic watch
JPS52107872A (en) Alarm driving circuit for alarm electronic clock