JPS51120153A - Elastic surface wave filter - Google Patents

Elastic surface wave filter

Info

Publication number
JPS51120153A
JPS51120153A JP4560475A JP4560475A JPS51120153A JP S51120153 A JPS51120153 A JP S51120153A JP 4560475 A JP4560475 A JP 4560475A JP 4560475 A JP4560475 A JP 4560475A JP S51120153 A JPS51120153 A JP S51120153A
Authority
JP
Japan
Prior art keywords
elastic surface
wave filter
surface wave
elastic
reflection
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.)
Pending
Application number
JP4560475A
Other languages
Japanese (ja)
Inventor
Tetsuo Takaku
Akio Nakakura
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.)
TOUKOU KK
Toko Inc
Original Assignee
TOUKOU KK
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 TOUKOU KK, Toko Inc filed Critical TOUKOU KK
Priority to JP4560475A priority Critical patent/JPS51120153A/en
Publication of JPS51120153A publication Critical patent/JPS51120153A/en
Pending 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
    • H03H9/02535—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
    • 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
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02645—Waffle-iron or dot arrays
    • 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
    • H03H9/14538—Formation

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

Abstract

PURPOSE:To prevent the reflection of unnecessary elastic surface waves.
JP4560475A 1975-04-15 1975-04-15 Elastic surface wave filter Pending JPS51120153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4560475A JPS51120153A (en) 1975-04-15 1975-04-15 Elastic surface wave filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4560475A JPS51120153A (en) 1975-04-15 1975-04-15 Elastic surface wave filter

Publications (1)

Publication Number Publication Date
JPS51120153A true JPS51120153A (en) 1976-10-21

Family

ID=12723945

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4560475A Pending JPS51120153A (en) 1975-04-15 1975-04-15 Elastic surface wave filter

Country Status (1)

Country Link
JP (1) JPS51120153A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5359342U (en) * 1976-10-20 1978-05-20
JPH04207620A (en) * 1990-11-30 1992-07-29 Nippon Denso Kogyo Kk Surface acoustic wave element

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5359342U (en) * 1976-10-20 1978-05-20
JPS6110351Y2 (en) * 1976-10-20 1986-04-03
JPH04207620A (en) * 1990-11-30 1992-07-29 Nippon Denso Kogyo Kk Surface acoustic wave element

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