GB2063000B - Surface wave acoustic devices - Google Patents

Surface wave acoustic devices

Info

Publication number
GB2063000B
GB2063000B GB8032322A GB8032322A GB2063000B GB 2063000 B GB2063000 B GB 2063000B GB 8032322 A GB8032322 A GB 8032322A GB 8032322 A GB8032322 A GB 8032322A GB 2063000 B GB2063000 B GB 2063000B
Authority
GB
United Kingdom
Prior art keywords
surface wave
acoustic devices
wave acoustic
devices
wave
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
GB8032322A
Other languages
English (en)
Other versions
GB2063000A (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.)
Toko Inc
Original Assignee
Toko 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 Toko Inc filed Critical Toko Inc
Publication of GB2063000A publication Critical patent/GB2063000A/en
Application granted granted Critical
Publication of GB2063000B publication Critical patent/GB2063000B/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
    • H03H9/125—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)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
GB8032322A 1979-10-08 1980-10-07 Surface wave acoustic devices Expired GB2063000B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979139420U JPS6134755Y2 (enExample) 1979-10-08 1979-10-08

Publications (2)

Publication Number Publication Date
GB2063000A GB2063000A (en) 1981-05-28
GB2063000B true GB2063000B (en) 1983-09-07

Family

ID=15244788

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8032322A Expired GB2063000B (en) 1979-10-08 1980-10-07 Surface wave acoustic devices

Country Status (4)

Country Link
US (1) US4330767A (enExample)
JP (1) JPS6134755Y2 (enExample)
DE (1) DE3038056A1 (enExample)
GB (1) GB2063000B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0815248B2 (ja) * 1983-05-30 1996-02-14 松下電器産業株式会社 弾性表面波装置
EP0534354A1 (en) * 1991-09-25 1993-03-31 Sumitomo Electric Industries, Limited Surface acoustic wave device and manufacturing method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699364A (en) * 1971-06-04 1972-10-17 Hughes Aircraft Co Acoustic surface wave device having improved transducer structure
US3845419A (en) * 1973-04-02 1974-10-29 G Nudd Acoustic surface wave device
US3931597A (en) * 1974-02-04 1976-01-06 The Magnavox Company Apparatus and method for phase-encoded surface wave devices
US3979702A (en) * 1974-04-08 1976-09-07 The Magnavox Company Apparatus and method for oversampled transducers in acoustic surface wave devices

Also Published As

Publication number Publication date
JPS6134755Y2 (enExample) 1986-10-09
GB2063000A (en) 1981-05-28
DE3038056A1 (de) 1981-04-16
JPS5657527U (enExample) 1981-05-18
US4330767A (en) 1982-05-18

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Legal Events

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

Effective date: 19951007