JPH0119291B2 - - Google Patents

Info

Publication number
JPH0119291B2
JPH0119291B2 JP56070763A JP7076381A JPH0119291B2 JP H0119291 B2 JPH0119291 B2 JP H0119291B2 JP 56070763 A JP56070763 A JP 56070763A JP 7076381 A JP7076381 A JP 7076381A JP H0119291 B2 JPH0119291 B2 JP H0119291B2
Authority
JP
Japan
Prior art keywords
surface acoustic
acoustic wave
piezoelectric substrate
filter element
wave filter
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
JP56070763A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57186820A (en
Inventor
Nobuki Yamaji
Yoshihiko Yasuhara
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP7076381A priority Critical patent/JPS57186820A/ja
Publication of JPS57186820A publication Critical patent/JPS57186820A/ja
Publication of JPH0119291B2 publication Critical patent/JPH0119291B2/ja
Granted 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02858—Means for compensation or elimination of undesirable effects of wave front distortion
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02842—Means for compensation or elimination of undesirable effects of reflections

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP7076381A 1981-05-13 1981-05-13 Surface acoustic wave filter element Granted JPS57186820A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7076381A JPS57186820A (en) 1981-05-13 1981-05-13 Surface acoustic wave filter element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7076381A JPS57186820A (en) 1981-05-13 1981-05-13 Surface acoustic wave filter element

Publications (2)

Publication Number Publication Date
JPS57186820A JPS57186820A (en) 1982-11-17
JPH0119291B2 true JPH0119291B2 (enrdf_load_stackoverflow) 1989-04-11

Family

ID=13440868

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7076381A Granted JPS57186820A (en) 1981-05-13 1981-05-13 Surface acoustic wave filter element

Country Status (1)

Country Link
JP (1) JPS57186820A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5333557A (en) * 1976-08-24 1978-03-29 Toshiba Corp Elastic surface wave element

Also Published As

Publication number Publication date
JPS57186820A (en) 1982-11-17

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