CH672042GA3 - - Google Patents

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Publication number
CH672042GA3
CH672042GA3 CH414087A CH414087A CH672042GA3 CH 672042G A3 CH672042G A3 CH 672042GA3 CH 414087 A CH414087 A CH 414087A CH 414087 A CH414087 A CH 414087A CH 672042G A3 CH672042G A3 CH 672042GA3
Authority
CH
Switzerland
Prior art keywords
cannon
carries
pinion
hand
hands
Prior art date
Application number
CH414087A
Other languages
French (fr)
Other versions
CH672042B5 (en
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 filed Critical
Priority to CH4140/87A priority Critical patent/CH672042B5/fr
Priority to ES198888117197T priority patent/ES2034096T3/en
Priority to EP88117197A priority patent/EP0312946B1/en
Priority to DE8888117197T priority patent/DE3872348T2/en
Publication of CH672042GA3 publication Critical patent/CH672042GA3/fr
Publication of CH672042B5 publication Critical patent/CH672042B5/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
    • G04C3/146—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor incorporating two or more stepping motors or rotors
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by primary clocks
    • G04C13/08—Secondary clocks actuated intermittently
    • G04C13/10—Secondary clocks actuated intermittently by electromechanical step advancing mechanisms
    • G04C13/11—Secondary clocks actuated intermittently by electromechanical step advancing mechanisms with rotating armature

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Communication Control (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Abstract

The watch comprises two coaxial multipolar motors, located at the centre, the rotor (4) of one motor being mounted on a shaft (13) which carries a seconds hand (17) and the rotor (5) of the other motor being mounted on the cannon (12b) of a cannon-pinion (12) with the shaft (13) passing through it. The cannon (12b) carries a minutes hand (18). The pinion (12) drives the wheel (14) of a reducing-gear runner whose pinion (15) is in engagement with a wheel (16) mounted rotatably on the cannon (12b) and which carries an hours hand (19). The windings (8 and 9) of the two motors are diametrically opposed. The driving of the seconds (17) and minutes (18) hands is direct in that these hands are integral with the rotors (4 and 5), respectively, which drive them. <IMAGE>
CH4140/87A 1987-10-22 1987-10-22 CH672042B5 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH4140/87A CH672042B5 (en) 1987-10-22 1987-10-22
ES198888117197T ES2034096T3 (en) 1987-10-22 1988-10-15 PIECE OF ELECTRONIC WATCHES.
EP88117197A EP0312946B1 (en) 1987-10-22 1988-10-15 Electronic timepiece
DE8888117197T DE3872348T2 (en) 1987-10-22 1988-10-15 ELECTRONIC TIMING DEVICE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH4140/87A CH672042B5 (en) 1987-10-22 1987-10-22

Publications (2)

Publication Number Publication Date
CH672042GA3 true CH672042GA3 (en) 1989-10-31
CH672042B5 CH672042B5 (en) 1990-04-30

Family

ID=4270565

Family Applications (1)

Application Number Title Priority Date Filing Date
CH4140/87A CH672042B5 (en) 1987-10-22 1987-10-22

Country Status (4)

Country Link
EP (1) EP0312946B1 (en)
CH (1) CH672042B5 (en)
DE (1) DE3872348T2 (en)
ES (1) ES2034096T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0393605B1 (en) * 1989-04-21 1992-07-08 Eta SA Fabriques d'Ebauches Electronic time piece with at least two motors
CH677578GA3 (en) * 1989-11-17 1991-06-14 Watch or clock mechanism with two motor drives
DE69623787T2 (en) 1996-11-27 2003-05-28 Eta S.A. Fabriques D'ebauches, Grenchen/Granges Electromagnetic motor with two coaxial rotors
CH690632A5 (en) * 1996-11-27 2000-11-15 Ebauchesfabrik Eta Ag electromagnetic motor with two coaxial rotors.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2138996A1 (en) * 1971-05-24 1973-01-05 Dill Gottlieb Hans
FR2155246A5 (en) * 1971-08-25 1973-05-18 Dill Hans
FR2353889A1 (en) * 1976-06-02 1977-12-30 Yema Ste Multiple function analogue quartz watch - with auxiliary counter, decoder and memory group for digital information display
CH626772GA3 (en) * 1979-12-14 1981-12-15 Electronic timekeeping device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2138996A1 (en) * 1971-05-24 1973-01-05 Dill Gottlieb Hans
FR2155246A5 (en) * 1971-08-25 1973-05-18 Dill Hans
FR2353889A1 (en) * 1976-06-02 1977-12-30 Yema Ste Multiple function analogue quartz watch - with auxiliary counter, decoder and memory group for digital information display
CH626772GA3 (en) * 1979-12-14 1981-12-15 Electronic timekeeping device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FRANCE HORLOGERE, no. 448, décembre 1983, pages 47-49, Paris, FR; M. LEROUX: "Un chronographe à quartz très... mécanique" *

Also Published As

Publication number Publication date
ES2034096T3 (en) 1993-04-01
EP0312946B1 (en) 1992-06-24
DE3872348T2 (en) 1992-12-10
DE3872348D1 (en) 1992-07-30
CH672042B5 (en) 1990-04-30
EP0312946A1 (en) 1989-04-26

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