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GB511907A - Devices for supporting piezo-electric vibrating elements and electric systems employing same - Google Patents

Devices for supporting piezo-electric vibrating elements and electric systems employing same

Info

Publication number
GB511907A
GB511907A GB33185/38A GB3318538A GB511907A GB 511907 A GB511907 A GB 511907A GB 33185/38 A GB33185/38 A GB 33185/38A GB 3318538 A GB3318538 A GB 3318538A GB 511907 A GB511907 A GB 511907A
Authority
GB
United Kingdom
Prior art keywords
electric
devices
systems employing
vibrating elements
employing same
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
GB33185/38A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB511907A publication Critical patent/GB511907A/en
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
    • H03H9/10—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
    • 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
    • H03H9/02—Details
    • H03H9/05—Holders or supports
    • H03H9/09—Elastic or damping supports
    • 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
    • H03H9/56—Monolithic crystal filters

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
GB33185/38A 1937-12-24 1938-11-15 Devices for supporting piezo-electric vibrating elements and electric systems employing same Expired GB511907A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR511907X 1937-12-24

Publications (1)

Publication Number Publication Date
GB511907A true GB511907A (en) 1939-08-25

Family

ID=8912637

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33185/38A Expired GB511907A (en) 1937-12-24 1938-11-15 Devices for supporting piezo-electric vibrating elements and electric systems employing same

Country Status (1)

Country Link
GB (1) GB511907A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5446334A (en) * 1994-01-24 1995-08-29 Gre, Incorporated Piezoluminescent, pyroluminescent sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5446334A (en) * 1994-01-24 1995-08-29 Gre, Incorporated Piezoluminescent, pyroluminescent sensor

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