FR984964A - Dispositif piézo-électrique réglable - Google Patents

Dispositif piézo-électrique réglable

Info

Publication number
FR984964A
FR984964A FR984964DA FR984964A FR 984964 A FR984964 A FR 984964A FR 984964D A FR984964D A FR 984964DA FR 984964 A FR984964 A FR 984964A
Authority
FR
France
Prior art keywords
piezoelectric device
adjustable piezoelectric
adjustable
piezoelectric
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)
Inventor
Daniel-Rene Beretzki
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 filed Critical
Application granted granted Critical
Publication of FR984964A publication Critical patent/FR984964A/fr
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
    • H03H3/04—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 for obtaining desired frequency or temperature coefficient
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/20—Mica; Vermiculite
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Civil Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Paper (AREA)
FR984964D 1943-08-07 1943-10-20 Dispositif piézo-électrique réglable Expired FR984964A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR987997T 1943-08-07

Publications (1)

Publication Number Publication Date
FR984964A true FR984964A (fr) 1951-07-12

Family

ID=9539269

Family Applications (2)

Application Number Title Priority Date Filing Date
FR987997D Expired FR987997A (fr) 1943-08-07 1943-08-07 Monture à cristal piézo-électrique
FR984964D Expired FR984964A (fr) 1943-08-07 1943-10-20 Dispositif piézo-électrique réglable

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR987997D Expired FR987997A (fr) 1943-08-07 1943-08-07 Monture à cristal piézo-électrique

Country Status (2)

Country Link
CH (2) CH244540A (fr)
FR (2) FR987997A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE482433A (fr) * 1947-08-19 1948-05-31 Samica Soc Des Applic Du Mica
DE975416C (de) * 1950-06-21 1961-11-23 Samica Soc Des Applic Du Mica Verfahren zur Behandlung von Glimmer
DE1043917B (de) * 1951-08-15 1958-11-13 Micanite And Insulators Compan Verfahren zur Herstellung von Glimmerflocken
US2716614A (en) * 1951-09-28 1955-08-30 Du Pont Viscose composition and regenerated cellulose bands

Also Published As

Publication number Publication date
CH245819A (fr) 1946-11-30
FR987997A (fr) 1951-08-21
CH244540A (fr) 1946-09-30

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