FR948264A - Filtre d'ondes - Google Patents

Filtre d'ondes

Info

Publication number
FR948264A
FR948264A FR948264DA FR948264A FR 948264 A FR948264 A FR 948264A FR 948264D A FR948264D A FR 948264DA FR 948264 A FR948264 A FR 948264A
Authority
FR
France
Prior art keywords
wave filter
wave
filter
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR948264A publication Critical patent/FR948264A/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
    • H03H9/0023—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

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (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)
FR948264D 1942-06-10 1947-06-20 Filtre d'ondes Expired FR948264A (fr)

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
FR948264A true FR948264A (fr) 1949-07-27

Family

ID=23772747

Family Applications (1)

Application Number Title Priority Date Filing Date
FR948264D Expired FR948264A (fr) 1942-06-10 1947-06-20 Filtre d'ondes

Country Status (6)

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

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 (fr) * 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
US2342875A (en) 1944-02-29
GB624292A (en) 1949-06-01
CH265654A (de) 1949-12-15
NL134514B (fr)
NL83190C (fr)
BE473973A (fr)

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