FR2755550B1 - METHOD FOR THE REVERSE DIRECTION OF A STEPPER ELECTRIC MOTOR, IN PARTICULAR OF A DASHBOARD NEEDLE WATCH - Google Patents

METHOD FOR THE REVERSE DIRECTION OF A STEPPER ELECTRIC MOTOR, IN PARTICULAR OF A DASHBOARD NEEDLE WATCH

Info

Publication number
FR2755550B1
FR2755550B1 FR9613516A FR9613516A FR2755550B1 FR 2755550 B1 FR2755550 B1 FR 2755550B1 FR 9613516 A FR9613516 A FR 9613516A FR 9613516 A FR9613516 A FR 9613516A FR 2755550 B1 FR2755550 B1 FR 2755550B1
Authority
FR
France
Prior art keywords
dashboard
electric motor
reverse direction
stepper electric
needle watch
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR9613516A
Other languages
French (fr)
Other versions
FR2755550A1 (en
Inventor
Antoine Caizergues
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marelli France SAS
Original Assignee
Magneti Marelli France SAS
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 Magneti Marelli France SAS filed Critical Magneti Marelli France SAS
Priority to FR9613516A priority Critical patent/FR2755550B1/en
Publication of FR2755550A1 publication Critical patent/FR2755550A1/en
Application granted granted Critical
Publication of FR2755550B1 publication Critical patent/FR2755550B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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 of the kind having motors rotating step by step
    • H02P8/02—Arrangements for controlling dynamo-electric motors of the kind having motors rotating step by step specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors
    • 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
    • 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 of the kind having motors rotating step by step
    • H02P8/04—Arrangements for starting
    • H02P8/06—Arrangements for starting in selected direction of rotation
FR9613516A 1996-11-06 1996-11-06 METHOD FOR THE REVERSE DIRECTION OF A STEPPER ELECTRIC MOTOR, IN PARTICULAR OF A DASHBOARD NEEDLE WATCH Expired - Fee Related FR2755550B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9613516A FR2755550B1 (en) 1996-11-06 1996-11-06 METHOD FOR THE REVERSE DIRECTION OF A STEPPER ELECTRIC MOTOR, IN PARTICULAR OF A DASHBOARD NEEDLE WATCH

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9613516A FR2755550B1 (en) 1996-11-06 1996-11-06 METHOD FOR THE REVERSE DIRECTION OF A STEPPER ELECTRIC MOTOR, IN PARTICULAR OF A DASHBOARD NEEDLE WATCH

Publications (2)

Publication Number Publication Date
FR2755550A1 FR2755550A1 (en) 1998-05-07
FR2755550B1 true FR2755550B1 (en) 1999-01-22

Family

ID=9497366

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9613516A Expired - Fee Related FR2755550B1 (en) 1996-11-06 1996-11-06 METHOD FOR THE REVERSE DIRECTION OF A STEPPER ELECTRIC MOTOR, IN PARTICULAR OF A DASHBOARD NEEDLE WATCH

Country Status (1)

Country Link
FR (1) FR2755550B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5280063A (en) * 1975-12-26 1977-07-05 Citizen Watch Co Ltd Reversible pulse motor system and watch
CH620062A5 (en) * 1978-05-12 1980-10-31 Portescap
US4375049A (en) * 1980-09-24 1983-02-22 Timex Corporation Stepping motor drive circuit for bi-directional rotation
CH648723GA3 (en) * 1982-09-10 1985-04-15

Also Published As

Publication number Publication date
FR2755550A1 (en) 1998-05-07

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Legal Events

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ST Notification of lapse

Effective date: 20120731