BR7409905A - Relogio eletrico aperfeicoado - Google Patents

Relogio eletrico aperfeicoado

Info

Publication number
BR7409905A
BR7409905A BR9905/74A BR990574A BR7409905A BR 7409905 A BR7409905 A BR 7409905A BR 9905/74 A BR9905/74 A BR 9905/74A BR 990574 A BR990574 A BR 990574A BR 7409905 A BR7409905 A BR 7409905A
Authority
BR
Brazil
Prior art keywords
electric watch
perfected electric
perfected
watch
electric
Prior art date
Application number
BR9905/74A
Other languages
English (en)
Inventor
D Busch
R Sudler
Original Assignee
Vdo Schindling
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 Vdo Schindling filed Critical Vdo Schindling
Publication of BR7409905A publication Critical patent/BR7409905A/pt

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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by master-clocks
    • G04C13/08—Slave-clocks actuated intermittently
    • G04C13/10—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)
  • Electromechanical Clocks (AREA)
BR9905/74A 1973-11-28 1974-11-27 Relogio eletrico aperfeicoado BR7409905A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2359142A DE2359142C2 (de) 1973-11-28 1973-11-28 Elektrische Uhr mit Schrittmotor

Publications (1)

Publication Number Publication Date
BR7409905A true BR7409905A (pt) 1976-05-25

Family

ID=5899247

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9905/74A BR7409905A (pt) 1973-11-28 1974-11-27 Relogio eletrico aperfeicoado

Country Status (6)

Country Link
US (1) US3937003A (pt)
JP (1) JPS5087371A (pt)
BR (1) BR7409905A (pt)
DE (1) DE2359142C2 (pt)
FR (1) FR2252600B1 (pt)
GB (1) GB1476654A (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4133169A (en) * 1974-08-30 1979-01-09 Ebauches S.A. Electronic circuit for a quartz crystal watch
CH611484B (fr) * 1975-11-18 Berney Sa Jean Claude Dispositif de commande d'un moteur pas a pas pour la mesure du temps.
JPS5312669A (en) * 1976-07-21 1978-02-04 Seiko Instr & Electronics Ltd Hands reversing device of electronic watch
JPS5915533B2 (ja) * 1976-08-20 1984-04-10 シチズン時計株式会社 電子装置の駆動回路
JPS53136977A (en) * 1977-05-04 1978-11-29 Seiko Instr & Electronics Ltd Driving circuit
DE2749141A1 (de) * 1977-11-03 1979-05-10 Quarz Zeit Ag Elektrische uhr
JPS56164984A (en) * 1980-05-23 1981-12-18 Seiko Instr & Electronics Ltd Electronic watch
DE3419100A1 (de) * 1984-05-23 1985-11-28 Vdo Adolf Schindling Ag, 6000 Frankfurt Motor
JPH0221294A (ja) * 1989-05-29 1990-01-24 Seiko Epson Corp 電子時計の駆動方法
JP2953284B2 (ja) * 1993-12-24 1999-09-27 株式会社デンソー パルスモータの駆動装置
JP2002341065A (ja) * 2001-05-21 2002-11-27 Seiko Instruments Inc アナログ電子時計

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597915A (en) * 1968-11-05 1971-08-10 Susumu Aizawa Driving device of electronic watch
JPS5217745B1 (pt) * 1971-03-20 1977-05-17
CH537037A (de) * 1971-05-05 1972-08-31 Omega Brandt & Freres Sa Louis Schwingungsmotor für Zeitmessgerät
US3860844A (en) * 1972-02-28 1975-01-14 Suisse Horlogerie Low friction miniature gear drive for transmitting small forces

Also Published As

Publication number Publication date
FR2252600A1 (pt) 1975-06-20
FR2252600B1 (pt) 1980-11-21
JPS5087371A (pt) 1975-07-14
GB1476654A (en) 1977-06-16
DE2359142A1 (de) 1975-06-05
DE2359142C2 (de) 1982-04-22
US3937003A (en) 1976-02-10

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