CH218693A - Einrichtung an elektrischen Uhrenanlagen nach dem Induktionsprinzip. - Google Patents

Einrichtung an elektrischen Uhrenanlagen nach dem Induktionsprinzip.

Info

Publication number
CH218693A
CH218693A CH218693DA CH218693A CH 218693 A CH218693 A CH 218693A CH 218693D A CH218693D A CH 218693DA CH 218693 A CH218693 A CH 218693A
Authority
CH
Switzerland
Prior art keywords
clock
induction principle
pendulum
installation
systems based
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Landis & Gyr A.-G.
Original Assignee
Landis & Gyr Ag
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 Landis & Gyr Ag filed Critical Landis & Gyr Ag
Publication of CH218693A publication Critical patent/CH218693A/de

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by master-clocks
    • G04C13/02—Circuit arrangements; Electric clock installations
    • G04C13/04—Master-clocks
    • G04C13/0463—Arrangements for generating normal driving pulses
    • G04C13/049—Arrangements for generating normal driving pulses by using current generating driving device
    • 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
    • G04B17/025—Composite and multiple pendulums; Synchronisation of mechanical pendulums, e.g. electrical synchronisation G04C3/025; pendulum systems G04C13/028
    • 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
    • G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
    • G04B31/004—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor characterised by the material used
    • G04B31/012—Metallic bearings
    • G04B31/0126—Metallic step-bearings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/45—Flexibly connected rigid members
    • Y10T403/459—Helical spring type coupling

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
CH218693D 1941-07-31 1941-07-31 Einrichtung an elektrischen Uhrenanlagen nach dem Induktionsprinzip. CH218693A (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH218693T 1941-07-31
CH564023X 1941-07-31
CH880449X 1941-07-31
CH2369812X 1941-07-31

Publications (1)

Publication Number Publication Date
CH218693A true CH218693A (de) 1941-12-31

Family

ID=61623000

Family Applications (1)

Application Number Title Priority Date Filing Date
CH218693D CH218693A (de) 1941-07-31 1941-07-31 Einrichtung an elektrischen Uhrenanlagen nach dem Induktionsprinzip.

Country Status (4)

Country Link
US (1) US2369812A (fr)
CH (1) CH218693A (fr)
FR (1) FR880449A (fr)
GB (1) GB564023A (fr)

Also Published As

Publication number Publication date
US2369812A (en) 1945-02-20
GB564023A (en) 1944-09-11
FR880449A (fr) 1943-03-25

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