FR724303A - Pendule pour la mesure du temps - Google Patents

Pendule pour la mesure du temps

Info

Publication number
FR724303A
FR724303A FR724303DA FR724303A FR 724303 A FR724303 A FR 724303A FR 724303D A FR724303D A FR 724303DA FR 724303 A FR724303 A FR 724303A
Authority
FR
France
Prior art keywords
pendulum
measuring time
measuring
time
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
Other languages
English (en)
Inventor
Max Schuler
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
Application granted granted Critical
Publication of FR724303A publication Critical patent/FR724303A/fr
Expired legal-status Critical Current

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
    • G04C3/02—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 pendulum
    • G04C3/027—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 pendulum using electromagnetic coupling between electric power source and pendulum
    • G04C3/0273—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 pendulum using electromagnetic coupling between electric power source and pendulum the pendulum controlling contacts, thereby electromagnetically driving the gear-train or several gear-trains
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/02—Oscillators acting by gravity, e.g. pendulum swinging in a plane

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Electromechanical Clocks (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Measurement Of Distances Traversed On The Ground (AREA)
FR724303D 1930-10-15 1931-10-13 Pendule pour la mesure du temps Expired FR724303A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US158879XA 1930-10-15 1930-10-15

Publications (1)

Publication Number Publication Date
FR724303A true FR724303A (fr) 1932-04-25

Family

ID=21774190

Family Applications (1)

Application Number Title Priority Date Filing Date
FR724303D Expired FR724303A (fr) 1930-10-15 1931-10-13 Pendule pour la mesure du temps

Country Status (4)

Country Link
CH (1) CH158879A (fr)
DE (2) DE602627C (fr)
FR (1) FR724303A (fr)
GB (1) GB375653A (fr)

Also Published As

Publication number Publication date
GB375653A (en) 1932-06-30
CH158879A (de) 1932-12-15
DE602627C (de) 1934-09-13
DE561269C (de) 1932-10-12

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