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GB2030411B - Surface acoustic wave filters - Google Patents

Surface acoustic wave filters

Info

Publication number
GB2030411B
GB2030411B GB7838029A GB7838029A GB2030411B GB 2030411 B GB2030411 B GB 2030411B GB 7838029 A GB7838029 A GB 7838029A GB 7838029 A GB7838029 A GB 7838029A GB 2030411 B GB2030411 B GB 2030411B
Authority
GB
United Kingdom
Prior art keywords
acoustic wave
surface acoustic
wave filters
filters
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
GB7838029A
Other versions
GB2030411A (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.)
GE Healthcare UK Ltd
Original Assignee
GE Healthcare UK 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 GE Healthcare UK Ltd filed Critical GE Healthcare UK Ltd
Priority to GB7838029A priority Critical patent/GB2030411B/en
Publication of GB2030411A publication Critical patent/GB2030411A/en
Application granted granted Critical
Publication of GB2030411B publication Critical patent/GB2030411B/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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/643—Means for obtaining a particular transfer characteristic the transfer characteristic being determined by reflective or coupling array characteristics

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB7838029A 1978-09-25 1978-09-25 Surface acoustic wave filters Expired GB2030411B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7838029A GB2030411B (en) 1978-09-25 1978-09-25 Surface acoustic wave filters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7838029A GB2030411B (en) 1978-09-25 1978-09-25 Surface acoustic wave filters

Publications (2)

Publication Number Publication Date
GB2030411A GB2030411A (en) 1980-04-02
GB2030411B true GB2030411B (en) 1982-12-08

Family

ID=10499893

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7838029A Expired GB2030411B (en) 1978-09-25 1978-09-25 Surface acoustic wave filters

Country Status (1)

Country Link
GB (1) GB2030411B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319154A (en) * 1979-12-26 1982-03-09 Sperry Corporation Temperature insensitive reflective array S.A.W. device
DE3209962A1 (en) * 1982-03-18 1983-09-29 Siemens AG, 1000 Berlin und 8000 München ELECTRONIC COMPONENT WORKING WITH ACOUSTIC SHAFTS
DE3230038A1 (en) * 1982-08-12 1984-02-16 Siemens AG, 1000 Berlin und 8000 München ELECTRONIC COMPONENT WORKING WITH REFLECTED ACOUSTIC SHAFTS

Also Published As

Publication number Publication date
GB2030411A (en) 1980-04-02

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Legal Events

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