FR38053E - Improvements to piezoelectric devices - Google Patents

Improvements to piezoelectric devices

Info

Publication number
FR38053E
FR38053E FR38053DA FR38053E FR 38053 E FR38053 E FR 38053E FR 38053D A FR38053D A FR 38053DA FR 38053 E FR38053 E FR 38053E
Authority
FR
France
Prior art keywords
piezoelectric devices
piezoelectric
devices
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)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR38053E publication Critical patent/FR38053E/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
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
FR38053D 1929-07-19 1929-07-19 Improvements to piezoelectric devices Expired FR38053E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR38053T 1929-07-19

Publications (1)

Publication Number Publication Date
FR38053E true FR38053E (en) 1931-03-19

Family

ID=8674598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR38053D Expired FR38053E (en) 1929-07-19 1929-07-19 Improvements to piezoelectric devices

Country Status (1)

Country Link
FR (1) FR38053E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750920C (en) * 1936-02-19 1945-01-31 Electric waveband filter with an impedance branch that contains a piezo crystal plate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE750920C (en) * 1936-02-19 1945-01-31 Electric waveband filter with an impedance branch that contains a piezo crystal plate

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