CH440139A - Frequency standard for time-keeping devices - Google Patents

Frequency standard for time-keeping devices

Info

Publication number
CH440139A
CH440139A CH1384664A CH1384664A CH440139A CH 440139 A CH440139 A CH 440139A CH 1384664 A CH1384664 A CH 1384664A CH 1384664 A CH1384664 A CH 1384664A CH 440139 A CH440139 A CH 440139A
Authority
CH
Switzerland
Prior art keywords
time
frequency standard
keeping devices
keeping
devices
Prior art date
Application number
CH1384664A
Other languages
German (de)
Other versions
CH1384664A4 (en
Inventor
Klaus Dipl Ing Sparing
Tilse Wilhelm
Original Assignee
United States Time Corp
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
Priority claimed from DEU10481A external-priority patent/DE1195349B/en
Application filed by United States Time Corp filed Critical United States Time Corp
Publication of CH1384664A4 publication Critical patent/CH1384664A4/xx
Publication of CH440139A publication Critical patent/CH440139A/en

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
    • G04C3/08—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/10—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
    • G04C3/101—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means constructional details
    • 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
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/045—Oscillators acting by spring tension with oscillating blade springs
    • 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
    • G04C3/08—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/10—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
    • G04C3/101—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means constructional details
    • G04C3/102—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 mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means constructional details of the mechanical oscillator or of the coil

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
CH1384664A 1963-03-16 1964-03-11 Frequency standard for time-keeping devices CH440139A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEU0009647 1963-03-16
DEU10481A DE1195349B (en) 1964-02-07 1964-02-07 Frequency standard with a vibration system that has at least one mechanical vibrator that can be driven to vibrate by a vibration drive

Publications (2)

Publication Number Publication Date
CH1384664A4 CH1384664A4 (en) 1967-02-15
CH440139A true CH440139A (en) 1967-12-29

Family

ID=26000972

Family Applications (4)

Application Number Title Priority Date Filing Date
CH1384664A CH440139A (en) 1963-03-16 1964-03-11 Frequency standard for time-keeping devices
CH881366A CH461376A (en) 1963-03-16 1964-03-11 Frequency standard for time-keeping devices
CH322264A CH470701A (en) 1963-03-16 1964-03-11 Vibration-compensated frequency standard for time-keeping devices
CH881266A CH467484A (en) 1963-03-16 1964-03-11 Frequency standard for time-keeping devices

Family Applications After (3)

Application Number Title Priority Date Filing Date
CH881366A CH461376A (en) 1963-03-16 1964-03-11 Frequency standard for time-keeping devices
CH322264A CH470701A (en) 1963-03-16 1964-03-11 Vibration-compensated frequency standard for time-keeping devices
CH881266A CH467484A (en) 1963-03-16 1964-03-11 Frequency standard for time-keeping devices

Country Status (1)

Country Link
CH (4) CH440139A (en)

Also Published As

Publication number Publication date
CH470701A (en) 1968-12-13
CH1384664A4 (en) 1967-02-15
CH461376A (en) 1968-10-15
CH467484A (en) 1968-09-30
CH881366A4 (en) 1968-04-11

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