FR785769A - Cristaux piézo-électriques - Google Patents

Cristaux piézo-électriques

Info

Publication number
FR785769A
FR785769A FR785769DA FR785769A FR 785769 A FR785769 A FR 785769A FR 785769D A FR785769D A FR 785769DA FR 785769 A FR785769 A FR 785769A
Authority
FR
France
Prior art keywords
piezoelectric crystals
piezoelectric
crystals
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.)
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 FR785769A publication Critical patent/FR785769A/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
    • H03H9/02—Details
    • H03H9/05—Holders; Supports
    • H03H9/0504—Holders; Supports for bulk acoustic wave devices

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR785769D 1934-02-23 1935-02-18 Cristaux piézo-électriques Expired FR785769A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US429992XA 1934-02-23 1934-02-23

Publications (1)

Publication Number Publication Date
FR785769A true FR785769A (fr) 1935-08-19

Family

ID=21924905

Family Applications (1)

Application Number Title Priority Date Filing Date
FR785769D Expired FR785769A (fr) 1934-02-23 1935-02-18 Cristaux piézo-électriques

Country Status (3)

Country Link
DE (1) DE687455C (fr)
FR (1) FR785769A (fr)
GB (1) GB429992A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE25433E (en) * 1956-08-27 1963-08-13 Electromechanical transducer system

Also Published As

Publication number Publication date
DE687455C (de) 1940-01-31
GB429992A (en) 1935-06-11

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