FR980017A - Dispositif de filtration radio-électrique - Google Patents

Dispositif de filtration radio-électrique

Info

Publication number
FR980017A
FR980017A FR980017DA FR980017A FR 980017 A FR980017 A FR 980017A FR 980017D A FR980017D A FR 980017DA FR 980017 A FR980017 A FR 980017A
Authority
FR
France
Prior art keywords
radio
filtration device
electric filtration
electric
filtration
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 FR980017A publication Critical patent/FR980017A/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 elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/05—Holders or supports
    • H03H9/0504—Holders or supports for bulk acoustic wave devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • H03H9/60—Electric coupling means therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
FR980017D 1942-11-07 1942-11-07 Dispositif de filtration radio-électrique Expired FR980017A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR980017T 1942-11-07

Publications (1)

Publication Number Publication Date
FR980017A true FR980017A (fr) 1951-05-07

Family

ID=9521635

Family Applications (1)

Application Number Title Priority Date Filing Date
FR980017D Expired FR980017A (fr) 1942-11-07 1942-11-07 Dispositif de filtration radio-électrique

Country Status (2)

Country Link
CH (1) CH239451A (fr)
FR (1) FR980017A (fr)

Also Published As

Publication number Publication date
CH239451A (fr) 1945-10-15

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