GB2120891B - Interdigital transducer - Google Patents

Interdigital transducer

Info

Publication number
GB2120891B
GB2120891B GB08215269A GB8215269A GB2120891B GB 2120891 B GB2120891 B GB 2120891B GB 08215269 A GB08215269 A GB 08215269A GB 8215269 A GB8215269 A GB 8215269A GB 2120891 B GB2120891 B GB 2120891B
Authority
GB
United Kingdom
Prior art keywords
interdigital transducer
interdigital
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
GB08215269A
Other versions
GB2120891A (en
Inventor
Rodolfo Almar
David P Morgan
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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB08215269A priority Critical patent/GB2120891B/en
Publication of GB2120891A publication Critical patent/GB2120891A/en
Application granted granted Critical
Publication of GB2120891B publication Critical patent/GB2120891B/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
    • H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
    • 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
    • H03H9/02236—Details of surface skimming bulk wave devices

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
GB08215269A 1982-05-25 1982-05-25 Interdigital transducer Expired GB2120891B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08215269A GB2120891B (en) 1982-05-25 1982-05-25 Interdigital transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08215269A GB2120891B (en) 1982-05-25 1982-05-25 Interdigital transducer

Publications (2)

Publication Number Publication Date
GB2120891A GB2120891A (en) 1983-12-07
GB2120891B true GB2120891B (en) 1986-07-02

Family

ID=10530617

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08215269A Expired GB2120891B (en) 1982-05-25 1982-05-25 Interdigital transducer

Country Status (1)

Country Link
GB (1) GB2120891B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3529916A1 (en) * 1985-08-21 1987-02-26 Siemens Ag DISPERSIVE INTERDIGITAL CONVERTER FOR ARRANGEMENTS WORKING WITH ACOUSTIC WAVES
EP1276235A1 (en) 2001-07-13 2003-01-15 Matsushita Electric Industrial Co., Ltd. Surface acoustic wave filter and communication device using the filter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1328343A (en) * 1969-09-17 1973-08-30 Mullard Ltd Electro mechanical filters
GB1357193A (en) * 1971-07-22 1974-06-19 Mullard Ltd Acoustic surface wave devices
GB1436328A (en) * 1972-08-04 1976-05-19 Marconi Co Ltd Methods of electrical matching of acoustic filters and delay lines
US3882433A (en) * 1974-02-15 1975-05-06 Zenith Radio Corp Swif with transducers having varied duty factor fingers for trap enhancement
JPS5912813Y2 (en) * 1978-08-28 1984-04-17 東光株式会社 Comb-shaped electrode of surface acoustic wave device

Also Published As

Publication number Publication date
GB2120891A (en) 1983-12-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee