CH265654A - Crystal wave filter. - Google Patents

Crystal wave filter.

Info

Publication number
CH265654A
CH265654A CH265654DA CH265654A CH 265654 A CH265654 A CH 265654A CH 265654D A CH265654D A CH 265654DA CH 265654 A CH265654 A CH 265654A
Authority
CH
Switzerland
Prior art keywords
wave filter
crystal wave
crystal
filter
wave
Prior art date
Application number
Other languages
German (de)
Inventor
Incorporated Western E Company
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of CH265654A publication Critical patent/CH265654A/en

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
    • H03H9/0023—Balance-unbalance or balance-balance networks
    • H03H9/0095—Balance-unbalance or balance-balance networks using bulk acoustic wave devices
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B15/00—Drawing glass upwardly from the melt
    • C03B15/02—Drawing glass sheets
    • C03B15/08—Drawing glass sheets by means of bars below the surface of the melt
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
CH265654D 1942-06-10 1947-05-28 Crystal wave filter. CH265654A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US446479A US2342875A (en) 1942-06-10 1942-06-10 Wave filter

Publications (1)

Publication Number Publication Date
CH265654A true CH265654A (en) 1949-12-15

Family

ID=23772747

Family Applications (1)

Application Number Title Priority Date Filing Date
CH265654D CH265654A (en) 1942-06-10 1947-05-28 Crystal wave filter.

Country Status (6)

Country Link
US (1) US2342875A (en)
BE (1) BE473973A (en)
CH (1) CH265654A (en)
FR (1) FR948264A (en)
GB (1) GB624292A (en)
NL (2) NL83190C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452114A (en) * 1945-04-26 1948-10-26 Bell Telephone Labor Inc Balanced wave filter
DE1252330B (en) * 1958-09-17
US5499002A (en) * 1994-04-28 1996-03-12 Kinsman; Robert G. Resonator filter utilizing cascaded impedance inverters

Also Published As

Publication number Publication date
GB624292A (en) 1949-06-01
NL134514B (en)
NL83190C (en)
FR948264A (en) 1949-07-27
US2342875A (en) 1944-02-29
BE473973A (en)

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