CH635722B - Piece d'horlogerie comportant un circuit de detection et de controle pour moteur pas a pas. - Google Patents

Piece d'horlogerie comportant un circuit de detection et de controle pour moteur pas a pas.

Info

Publication number
CH635722B
CH635722B CH813779A CH813779A CH635722B CH 635722 B CH635722 B CH 635722B CH 813779 A CH813779 A CH 813779A CH 813779 A CH813779 A CH 813779A CH 635722 B CH635722 B CH 635722B
Authority
CH
Switzerland
Prior art keywords
detector circuit
load current
rotor
amplifier
points
Prior art date
Application number
CH813779A
Other languages
English (en)
French (fr)
Other versions
CH635722GA3 (en, 2012
Inventor
Jean-Claude Berney
Original Assignee
Berney Sa Jean Claude
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 CH635722B publication Critical patent/CH635722B/fr
Application filed by Berney Sa Jean Claude filed Critical Berney Sa Jean Claude
Priority to CH813779A priority Critical patent/CH635722B/fr
Priority to GB8027986A priority patent/GB2059648B/en
Priority to FR8018929A priority patent/FR2465229A1/fr
Priority to DE3033350A priority patent/DE3033350C2/de
Priority to JP12522780A priority patent/JPS56111485A/ja
Publication of CH635722GA3 publication Critical patent/CH635722GA3/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)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
CH813779A 1979-09-10 1979-09-10 Piece d'horlogerie comportant un circuit de detection et de controle pour moteur pas a pas. CH635722B (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH813779A CH635722B (fr) 1979-09-10 1979-09-10 Piece d'horlogerie comportant un circuit de detection et de controle pour moteur pas a pas.
GB8027986A GB2059648B (en) 1979-09-10 1980-08-29 Electronic timepiece with stepping motor
FR8018929A FR2465229A1 (fr) 1979-09-10 1980-09-02 Piece d'horlogerie comportant un circuit de detection et de controle pour moteur pas a pas
DE3033350A DE3033350C2 (de) 1979-09-10 1980-09-04 Zeitmeßgerät mit einer Erfassungs- und Steuerschaltung für den Schrittmotor
JP12522780A JPS56111485A (en) 1979-09-10 1980-09-09 Watch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH813779A CH635722B (fr) 1979-09-10 1979-09-10 Piece d'horlogerie comportant un circuit de detection et de controle pour moteur pas a pas.

Publications (2)

Publication Number Publication Date
CH635722B true CH635722B (fr)
CH635722GA3 CH635722GA3 (en, 2012) 1983-04-29

Family

ID=4335723

Family Applications (1)

Application Number Title Priority Date Filing Date
CH813779A CH635722B (fr) 1979-09-10 1979-09-10 Piece d'horlogerie comportant un circuit de detection et de controle pour moteur pas a pas.

Country Status (5)

Country Link
JP (1) JPS56111485A (en, 2012)
CH (1) CH635722B (en, 2012)
DE (1) DE3033350C2 (en, 2012)
FR (1) FR2465229A1 (en, 2012)
GB (1) GB2059648B (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2900153B1 (ja) * 1998-02-10 1999-06-02 セイコーインスツルメンツ株式会社 アナログ電子時計

Family Cites Families (3)

* 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
JPS586400B2 (ja) * 1977-11-29 1983-02-04 セイコーエプソン株式会社 電子時計
JPS5477165A (en) * 1977-12-02 1979-06-20 Seiko Instr & Electronics Ltd Electronic watch

Also Published As

Publication number Publication date
FR2465229B1 (en, 2012) 1983-06-24
CH635722GA3 (en, 2012) 1983-04-29
JPS56111485A (en) 1981-09-03
FR2465229A1 (fr) 1981-03-20
DE3033350C2 (de) 1983-04-28
JPH0118398B2 (en, 2012) 1989-04-05
GB2059648B (en) 1983-06-29
DE3033350A1 (de) 1981-03-12
GB2059648A (en) 1981-04-23

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Legal Events

Date Code Title Description
PL Patent ceased