FR990215A - Improvements to piezoelectric crystal devices - Google Patents

Improvements to piezoelectric crystal devices

Info

Publication number
FR990215A
FR990215A FR990215DA FR990215A FR 990215 A FR990215 A FR 990215A FR 990215D A FR990215D A FR 990215DA FR 990215 A FR990215 A FR 990215A
Authority
FR
France
Prior art keywords
piezoelectric crystal
crystal devices
devices
piezoelectric
crystal
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
Francis Bompard
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 FR990215A publication Critical patent/FR990215A/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 devices; 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
FR990215D 1944-03-18 1944-03-18 Improvements to piezoelectric crystal devices Expired FR990215A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR990215T 1944-03-18

Publications (1)

Publication Number Publication Date
FR990215A true FR990215A (en) 1951-09-19

Family

ID=9542343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990215D Expired FR990215A (en) 1944-03-18 1944-03-18 Improvements to piezoelectric crystal devices

Country Status (1)

Country Link
FR (1) FR990215A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1113477B (en) * 1958-02-03 1961-09-07 Marconi Wireless Telegraph Co Piezoelectric bender vibrating in its XY plane and process for its manufacture
FR2467487A1 (en) * 1979-10-15 1981-04-17 Ebauches Sa PIEZOELECTRIC RESONATOR

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1113477B (en) * 1958-02-03 1961-09-07 Marconi Wireless Telegraph Co Piezoelectric bender vibrating in its XY plane and process for its manufacture
FR2467487A1 (en) * 1979-10-15 1981-04-17 Ebauches Sa PIEZOELECTRIC RESONATOR

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