FR2194998B3 - - Google Patents

Info

Publication number
FR2194998B3
FR2194998B3 FR7327355A FR7327355A FR2194998B3 FR 2194998 B3 FR2194998 B3 FR 2194998B3 FR 7327355 A FR7327355 A FR 7327355A FR 7327355 A FR7327355 A FR 7327355A FR 2194998 B3 FR2194998 B3 FR 2194998B3
Authority
FR
France
Prior art keywords
clock
coil
order
magnet system
vibrator
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
Application number
FR7327355A
Other languages
French (fr)
Other versions
FR2194998A1 (en
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.)
TDK Micronas GmbH
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
ITT Industries Inc
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 Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH
Publication of FR2194998A1 publication Critical patent/FR2194998A1/fr
Application granted granted Critical
Publication of FR2194998B3 publication Critical patent/FR2194998B3/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C11/00—Synchronisation of independently-driven clocks
    • G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
    • G04C11/081—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet
    • G04C11/084—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet acting on the balance
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C11/00—Synchronisation of independently-driven clocks
    • G04C11/08—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction
    • G04C11/081—Synchronisation of independently-driven clocks using an electro-magnet or-motor for oscillation correction using an electro-magnet

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Stepping Motors (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Synchronizing For Television (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Synchronising pulses from a frequency divider are applied to a coil and magnet system in order to maintain vibrations in a clock controlled by a quartz crystal. The central axes of the clock drive coil (L) and of the magnet system are set in parallel with respect to one another in the zero setting of the mechanical vibrator of the clock, in order to feed the outgoing drive pulse and returning drive pulse to the drive coil at a different distance from the zero position of the vibrator.
FR7327355A 1972-08-04 1973-07-26 Expired FR2194998B3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722238405 DE2238405B2 (en) 1972-08-04 1972-08-04 PROCESS FOR SYNCHRONIZING MECHANICAL VIBRATORS OF USED WATCHES

Publications (2)

Publication Number Publication Date
FR2194998A1 FR2194998A1 (en) 1974-03-01
FR2194998B3 true FR2194998B3 (en) 1976-07-09

Family

ID=5852658

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7327355A Expired FR2194998B3 (en) 1972-08-04 1973-07-26

Country Status (6)

Country Link
JP (1) JPS5047656A (en)
CH (1) CH633407GA3 (en)
DE (1) DE2238405B2 (en)
FR (1) FR2194998B3 (en)
GB (1) GB1444627A (en)
IT (1) IT991459B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02501736A (en) * 1986-12-24 1990-06-14 ベリンガー　マンハイム　イタリア　エッセ　ピ　ア Novel aralkyl-1,4-dihydropyridine and method for producing the same, and pharmaceutical compositions containing the same
JP4607966B2 (en) 2004-10-26 2011-01-05 エルヴェーエムアッシュ スイス マニュファクチュール エスアー Speed control mechanism for wristwatch and mechanical movement having the speed control mechanism
CN104698825A (en) * 2015-03-10 2015-06-10 长春理工大学 Electronic guarantee card

Also Published As

Publication number Publication date
JPS5047656A (en) 1975-04-28
DE2238405A1 (en) 1974-02-14
CH633407GA3 (en) 1982-12-15
IT991459B (en) 1975-07-30
FR2194998A1 (en) 1974-03-01
GB1444627A (en) 1976-08-04
CH633407B (en)
DE2238405B2 (en) 1977-09-22

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