Classifications

• • G—PHYSICS
  • G10—MUSICAL INSTRUMENTS; ACOUSTICS
  • G10G—REPRESENTATION OF MUSIC; RECORDING MUSIC IN NOTATION FORM; ACCESSORIES FOR MUSIC OR MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR, e.g. SUPPORTS
  • G10G7/00—Other auxiliary devices or accessories, e.g. conductors' batons or separate holders for resin or strings
  • G10G7/02—Tuning forks or like devices
• • 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
  • G04B17/10—Oscillators with torsion strips or springs acting in the same manner as torsion strips, e.g. weight oscillating in a horizontal plane
• • 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
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
  • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
  • H03H9/24—Constructional features of resonators of material which is not piezoelectric, electrostrictive, or magnetostrictive

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Acoustics & Sound (AREA)
• Electromagnetism (AREA)
• Engineering & Computer Science (AREA)
• Multimedia (AREA)
• Apparatuses For Generation Of Mechanical Vibrations (AREA)
• Measurement Of Unknown Time Intervals (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=25689074

Family Applications (1)

Country Status (4)

Families Citing this family (14)

Family Cites Families (5)

• 0
  • NL NL283314D patent/NL283314A/xx unknown
  • NL NL126920D patent/NL126920C/xx active
• 1961
  • 1961-09-18 CH CH1088561D patent/CH1088561A4/xx unknown
• 1962
  • 1962-09-07 GB GB34333/62A patent/GB1021884A/en not_active Expired
  • 1962-09-18 US US224901A patent/US3170278A/en not_active Expired - Lifetime

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