FR33775E - Improvements to piezoelectric devices - Google Patents

Improvements to piezoelectric devices

Info

Publication number
FR33775E
FR33775E FR33775DA FR33775E FR 33775 E FR33775 E FR 33775E FR 33775D A FR33775D A FR 33775DA FR 33775 E FR33775 E FR 33775E
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 FR33775E publication Critical patent/FR33775E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
    • H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
    • H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR33775D 1927-06-10 1927-06-10 Improvements to piezoelectric devices Expired FR33775E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR33775T 1927-06-10

Publications (1)

Publication Number Publication Date
FR33775E true FR33775E (en) 1929-03-04

Family

ID=8671397

Family Applications (1)

Application Number Title Priority Date Filing Date
FR33775D Expired FR33775E (en) 1927-06-10 1927-06-10 Improvements to piezoelectric devices

Country Status (1)

Country Link
FR (1) FR33775E (en)

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