CH533870A - Electric chronograph timepiece - Google Patents

Electric chronograph timepiece

Info

Publication number
CH533870A
CH533870A CH1190570A CH1190570A CH533870A CH 533870 A CH533870 A CH 533870A CH 1190570 A CH1190570 A CH 1190570A CH 1190570 A CH1190570 A CH 1190570A CH 533870 A CH533870 A CH 533870A
Authority
CH
Switzerland
Prior art keywords
chronograph timepiece
electric chronograph
electric
timepiece
chronograph
Prior art date
Application number
CH1190570A
Other languages
French (fr)
Original Assignee
Ebauches Sa
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 Ebauches Sa filed Critical Ebauches Sa
Priority to CH1190570D priority Critical patent/CH1190570A4/xx
Priority to CH1190570A priority patent/CH533870A/en
Priority to GB3467671A priority patent/GB1349974A/en
Priority to US00166726A priority patent/US3726081A/en
Priority to DE19712138411 priority patent/DE2138411C/en
Priority to FR7130035A priority patent/FR2102131B1/fr
Publication of CH533870A publication Critical patent/CH533870A/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F8/00—Apparatus for measuring unknown time intervals by electromechanical means
    • G04F8/003—Apparatus for measuring unknown time intervals by electromechanical means using continuously running driving means
    • 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
    • G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
    • G04C3/06—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance
    • G04C3/065—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance the balance controlling gear-train by means of static switches, e.g. transistor circuits
    • G04C3/067—Driving circuits with distinct detecting and driving coils
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F8/00—Apparatus for measuring unknown time intervals by electromechanical means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Electric Clocks (AREA)
CH1190570A 1970-08-07 1970-08-07 Electric chronograph timepiece CH533870A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH1190570D CH1190570A4 (en) 1970-08-07 1970-08-07
CH1190570A CH533870A (en) 1970-08-07 1970-08-07 Electric chronograph timepiece
GB3467671A GB1349974A (en) 1970-08-07 1971-07-23 Electric timepiece with chronograph indicator
US00166726A US3726081A (en) 1970-08-07 1971-07-28 Electric time-piece with chronograph indicator
DE19712138411 DE2138411C (en) 1970-08-07 1971-07-28 Electric clock with chronograph
FR7130035A FR2102131B1 (en) 1970-08-07 1971-08-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1190570A CH533870A (en) 1970-08-07 1970-08-07 Electric chronograph timepiece

Publications (1)

Publication Number Publication Date
CH533870A true CH533870A (en) 1972-08-15

Family

ID=4378029

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1190570D CH1190570A4 (en) 1970-08-07 1970-08-07
CH1190570A CH533870A (en) 1970-08-07 1970-08-07 Electric chronograph timepiece

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1190570D CH1190570A4 (en) 1970-08-07 1970-08-07

Country Status (4)

Country Link
US (1) US3726081A (en)
CH (2) CH1190570A4 (en)
FR (1) FR2102131B1 (en)
GB (1) GB1349974A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070052A1 (en) * 1981-07-09 1983-01-19 Umberto Maglioli Electronic timepiece

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4850071U (en) * 1971-10-12 1973-06-30
CH658567GA3 (en) * 1984-03-28 1986-11-28
USD286382S (en) 1984-04-11 1986-10-28 Citizen Watch Co., Ltd. Watch
USD314518S (en) 1988-01-25 1991-02-12 Casio Computer Co., Ltd. Wrist watch
DE10036037A1 (en) * 2000-07-24 2002-02-07 Mannesmann Vdo Ag pointer instrument

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2166683A (en) * 1937-06-07 1939-07-18 John H Grayson Time clock controlled automatic mechanism
US2969636A (en) * 1957-09-23 1961-01-31 Batori Comp Company Inc Chronometer
US3331200A (en) * 1965-10-18 1967-07-18 Donald W Byron Instrument for checking engine efficiency

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0070052A1 (en) * 1981-07-09 1983-01-19 Umberto Maglioli Electronic timepiece

Also Published As

Publication number Publication date
DE2138411B2 (en) 1972-08-03
FR2102131A1 (en) 1972-04-07
GB1349974A (en) 1974-04-10
FR2102131B1 (en) 1975-02-21
CH1190570A4 (en) 1972-08-15
DE2138411A1 (en) 1972-02-10
US3726081A (en) 1973-04-10

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