GB1551530A - Surface acoustic wave resonamt transducer device - Google Patents

Surface acoustic wave resonamt transducer device

Info

Publication number
GB1551530A
GB1551530A GB1998477A GB1998477A GB1551530A GB 1551530 A GB1551530 A GB 1551530A GB 1998477 A GB1998477 A GB 1998477A GB 1998477 A GB1998477 A GB 1998477A GB 1551530 A GB1551530 A GB 1551530A
Authority
GB
United Kingdom
Prior art keywords
resonamt
acoustic wave
surface acoustic
transducer device
transducer
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
GB1998477A
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
Priority to GB1998477A priority Critical patent/GB1551530A/en
Publication of GB1551530A publication Critical patent/GB1551530A/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 devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14517—Means for weighting

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
GB1998477A 1977-05-12 1977-05-12 Surface acoustic wave resonamt transducer device Expired GB1551530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1998477A GB1551530A (en) 1977-05-12 1977-05-12 Surface acoustic wave resonamt transducer device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1998477A GB1551530A (en) 1977-05-12 1977-05-12 Surface acoustic wave resonamt transducer device

Publications (1)

Publication Number Publication Date
GB1551530A true GB1551530A (en) 1979-08-30

Family

ID=10138402

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1998477A Expired GB1551530A (en) 1977-05-12 1977-05-12 Surface acoustic wave resonamt transducer device

Country Status (1)

Country Link
GB (1) GB1551530A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727275A (en) * 1983-08-31 1988-02-23 U.S. Philips Corporation Acoustic surface wave device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4727275A (en) * 1983-08-31 1988-02-23 U.S. Philips Corporation Acoustic surface wave device

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee