[go: up one dir, main page]

FR934237A - Piezoelectric filtration method and device - Google Patents

Piezoelectric filtration method and device

Info

Publication number
FR934237A
FR934237A FR934237DA FR934237A FR 934237 A FR934237 A FR 934237A FR 934237D A FR934237D A FR 934237DA FR 934237 A FR934237 A FR 934237A
Authority
FR
France
Prior art keywords
piezoelectric
filtration method
filtration
piezoelectric 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
French (fr)
Inventor
Marcel Laurent
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 FR934237A publication Critical patent/FR934237A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/54Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58Multiple crystal filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/54Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/542Filters comprising resonators of piezoelectric or electrostrictive material including passive elements

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
FR934237D 1946-09-16 1946-09-16 Piezoelectric filtration method and device Expired FR934237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR934237T 1946-09-16

Publications (1)

Publication Number Publication Date
FR934237A true FR934237A (en) 1948-05-14

Family

ID=9455974

Family Applications (1)

Application Number Title Priority Date Filing Date
FR934237D Expired FR934237A (en) 1946-09-16 1946-09-16 Piezoelectric filtration method and device

Country Status (1)

Country Link
FR (1) FR934237A (en)

Similar Documents

Publication Publication Date Title
FR926927A (en) Grinding method and apparatus
FR1006139A (en) Method and device for adjusting turbo-reactors
FR940224A (en) Polishing method and device
FR966801A (en) Method and apparatus for metallization
FR935276A (en) Method and device for lifting eyelashes
FR934237A (en) Piezoelectric filtration method and device
FR931700A (en) Method and device for integrating flat surfaces
FR933494A (en) Method and device for superfinishing surfaces
FR937382A (en) Method and device for the desiccation of materials
FR925563A (en) Rapid and continuous saponification method and device
FR1006656A (en) Method and device for bending angles
FR999824A (en) Method and device for cleaning the inlets of bypass channels
FR976668A (en) Filtering method and device
FR933492A (en) Method and device for the destruction of mosquitoes
FR936587A (en) Method and device for drying hair
FR945754A (en) Continuous diffusion method and device
FR924470A (en) Welding method and device
FR928910A (en) Grinding method and apparatus
FR932605A (en) Handling method and device
FR59471E (en) Filtering method and device
FR923428A (en) Method and device for drying materials
FR999782A (en) Braking method and device
FR927517A (en) Method and device for selecting sound frequencies
FR935231A (en) Method and device for steam cleaning
FR55035E (en) Combustion process and apparatus