FR36844E - Improvements to piezoelectric devices - Google Patents

Improvements to piezoelectric devices

Info

Publication number
FR36844E
FR36844E FR36844DA FR36844E FR 36844 E FR36844 E FR 36844E FR 36844D A FR36844D A FR 36844DA FR 36844 E FR36844 E FR 36844E
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 FR36844E publication Critical patent/FR36844E/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
    • H03H9/05—Holders; Supports
    • H03H9/09—Elastic or damping supports

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
FR36844D 1928-05-01 1929-04-27 Improvements to piezoelectric devices Expired FR36844E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US274347A US1844705A (en) 1928-05-01 1928-05-01 Piezo-electric apparatus

Publications (1)

Publication Number Publication Date
FR36844E true FR36844E (en) 1930-09-20

Family

ID=23047805

Family Applications (1)

Application Number Title Priority Date Filing Date
FR36844D Expired FR36844E (en) 1928-05-01 1929-04-27 Improvements to piezoelectric devices

Country Status (2)

Country Link
US (1) US1844705A (en)
FR (1) FR36844E (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454769A (en) * 1942-01-23 1948-11-30 Int Standard Electric Corp Piezoelectric crystal support
US2457563A (en) * 1944-04-10 1948-12-28 Dan W Keller Crystal mounting
FR957164A (en) * 1944-04-21 1950-02-16

Also Published As

Publication number Publication date
US1844705A (en) 1932-02-09

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