FR692017A - Device for exciting piezoelectric oscillations in crystals - Google Patents

Device for exciting piezoelectric oscillations in crystals

Info

Publication number
FR692017A
FR692017A FR692017DA FR692017A FR 692017 A FR692017 A FR 692017A FR 692017D A FR692017D A FR 692017DA FR 692017 A FR692017 A FR 692017A
Authority
FR
France
Prior art keywords
crystals
exciting piezoelectric
piezoelectric oscillations
oscillations
exciting
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
French (fr)
Inventor
Leonide Mandelstamm
Nicolas Papalexi
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 FR692017A publication Critical patent/FR692017A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
    • H03H9/132—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials characterized by a particular shape

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
FR692017D 1930-03-15 1930-03-15 Device for exciting piezoelectric oscillations in crystals Expired FR692017A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR692017T 1930-03-15

Publications (1)

Publication Number Publication Date
FR692017A true FR692017A (en) 1930-10-29

Family

ID=9035881

Family Applications (1)

Application Number Title Priority Date Filing Date
FR692017D Expired FR692017A (en) 1930-03-15 1930-03-15 Device for exciting piezoelectric oscillations in crystals

Country Status (1)

Country Link
FR (1) FR692017A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2543500A (en) * 1946-06-27 1951-02-27 Gen Motors Corp Means for suppressing transverse modes of oscillation in a piezoelectric crystal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2543500A (en) * 1946-06-27 1951-02-27 Gen Motors Corp Means for suppressing transverse modes of oscillation in a piezoelectric crystal

Similar Documents

Publication Publication Date Title
FR692017A (en) Device for exciting piezoelectric oscillations in crystals
FR707865A (en) Device for keeping the frequency of piezoelectric crystals constant
FR703042A (en) Device for damping oscillations in overhead lines
FR687649A (en) Stop device for watches
FR675150A (en) Device for ensuring the isochronism of the oscillations of a pendulum
FR746761A (en) Improved distributor device for sanding roads and similar applications
FR622701A (en) Rocket percussion device
FR634723A (en) Awning tension device
FR715358A (en) Device for the defense of coasts against the sea
FR517902A (en) Device for setting the hideout in watches
FR696063A (en) Device for holding loose sheets
FR718520A (en) Device for supporting oscillating masses without friction
FR655977A (en) Device for grinding cylinders
FR760867A (en) Device for developing crystals in vacuum
FR704336A (en) Tensioning device for belts
FR721015A (en) Device for mowers
FR705307A (en) Changeover device for main clocks
FR696028A (en) Device for tire regumming
FR698665A (en) Device for cleaning nails
FR598973A (en) Device for holding the hammer in suspension in belt hammers
FR719429A (en) Advanced device for polishing surfaces
FR618056A (en) Device for using wave force
FR689299A (en) Device for suppressing disturbing high frequency oscillations in an electrical system
FR620401A (en) Device for tightening the skins
FR722764A (en) Electro-mechanical device for pendulum or striking clock