FR774615A - Perfectionnement aux cristaux piezo-électriques - Google Patents

Perfectionnement aux cristaux piezo-électriques

Info

Publication number
FR774615A
FR774615A FR774615DA FR774615A FR 774615 A FR774615 A FR 774615A FR 774615D A FR774615D A FR 774615DA FR 774615 A FR774615 A FR 774615A
Authority
FR
France
Prior art keywords
piezoelectric crystal
crystal refinement
refinement
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
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Optique et Precision de Levallois SA
Original Assignee
Optique et Precision de Levallois SA
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 Optique et Precision de Levallois SA filed Critical Optique et Precision de Levallois SA
Application granted granted Critical
Publication of FR774615A publication Critical patent/FR774615A/fr
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
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
FR774615D 1933-09-02 1933-09-02 Perfectionnement aux cristaux piezo-électriques Expired FR774615A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR774615T 1933-09-02

Publications (1)

Publication Number Publication Date
FR774615A true FR774615A (fr) 1934-12-10

Family

ID=9199983

Family Applications (1)

Application Number Title Priority Date Filing Date
FR774615D Expired FR774615A (fr) 1933-09-02 1933-09-02 Perfectionnement aux cristaux piezo-électriques

Country Status (1)

Country Link
FR (1) FR774615A (fr)

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