FR2102131B1 - - Google Patents

Info

Publication number
FR2102131B1
FR2102131B1 FR7130035A FR7130035A FR2102131B1 FR 2102131 B1 FR2102131 B1 FR 2102131B1 FR 7130035 A FR7130035 A FR 7130035A FR 7130035 A FR7130035 A FR 7130035A FR 2102131 B1 FR2102131 B1 FR 2102131B1
Authority
FR
France
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
Application number
FR7130035A
Other versions
FR2102131A1 (fr
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.)
Ebauches SA
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
Publication of FR2102131A1 publication Critical patent/FR2102131A1/fr
Application granted granted Critical
Publication of FR2102131B1 publication Critical patent/FR2102131B1/fr
Expired legal-status Critical Current

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)
FR7130035A 1970-08-07 1971-08-03 Expired FR2102131B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1190570A CH533870A (fr) 1970-08-07 1970-08-07 Pièce d'horlogerie électrique à chronographe

Publications (2)

Publication Number Publication Date
FR2102131A1 FR2102131A1 (fr) 1972-04-07
FR2102131B1 true FR2102131B1 (fr) 1975-02-21

Family

ID=4378029

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7130035A Expired FR2102131B1 (fr) 1970-08-07 1971-08-03

Country Status (4)

Country Link
US (1) US3726081A (fr)
CH (2) CH533870A (fr)
FR (1) FR2102131B1 (fr)
GB (1) GB1349974A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4850071U (fr) * 1971-10-12 1973-06-30
CH634713B (fr) * 1981-07-09 Umberto Maglioli Piece d'horlogerie electronique.
CH658567GA3 (fr) * 1984-03-28 1986-11-28
DE10036037A1 (de) * 2000-07-24 2002-02-07 Mannesmann Vdo Ag Zeigerinstrument

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

Also Published As

Publication number Publication date
GB1349974A (en) 1974-04-10
CH533870A (fr) 1972-08-15
DE2138411B2 (de) 1972-08-03
US3726081A (en) 1973-04-10
DE2138411A1 (de) 1972-02-10
CH1190570A4 (fr) 1972-08-15
FR2102131A1 (fr) 1972-04-07

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Legal Events

Date Code Title Description
ST Notification of lapse