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BE473656A - - Google Patents

Info

Publication number
BE473656A
BE473656A BE473656DA BE473656A BE 473656 A BE473656 A BE 473656A BE 473656D A BE473656D A BE 473656DA BE 473656 A BE473656 A BE 473656A
Authority
BE
Belgium
Application number
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.)
Publication of BE473656A publication Critical patent/BE473656A/xx

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
    • H03H9/10—Mounting in enclosures
    • H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
    • H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
    • H03H9/1028—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device the BAW device being held between spring terminals

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
BE473656D 1944-08-30 BE473656A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US551984A US2405181A (en) 1944-08-30 1944-08-30 Frequency determining unit

Publications (1)

Publication Number Publication Date
BE473656A true BE473656A (fr)

Family

ID=24203477

Family Applications (1)

Application Number Title Priority Date Filing Date
BE473656D BE473656A (fr) 1944-08-30

Country Status (3)

Country Link
US (1) US2405181A (fr)
BE (1) BE473656A (fr)
ES (1) ES178453A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429826A (en) * 1945-07-12 1947-10-28 Walter E Kuenstler Crystal holder

Also Published As

Publication number Publication date
ES178453A1 (es) 1947-08-01
US2405181A (en) 1946-08-06

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