JPS51127650A - Elastic surface wave apparatus - Google Patents

Elastic surface wave apparatus

Info

Publication number
JPS51127650A
JPS51127650A JP5176375A JP5176375A JPS51127650A JP S51127650 A JPS51127650 A JP S51127650A JP 5176375 A JP5176375 A JP 5176375A JP 5176375 A JP5176375 A JP 5176375A JP S51127650 A JPS51127650 A JP S51127650A
Authority
JP
Japan
Prior art keywords
surface wave
elastic surface
wave apparatus
waves
piezo
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
JP5176375A
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 JP5176375A priority Critical patent/JPS51127650A/en
Publication of JPS51127650A publication Critical patent/JPS51127650A/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
    • H03H9/02874—Means for compensation or elimination of undesirable effects of direct coupling between input and output transducers

Landscapes

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

Abstract

PURPOSE:To remove the direct waves and bulk waves by inserting a metal plate at the cavity inside the piezo-electric base plate whose both sides are utilized, and thus to improve the characteristics.
JP5176375A 1975-04-29 1975-04-29 Elastic surface wave apparatus Pending JPS51127650A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5176375A JPS51127650A (en) 1975-04-29 1975-04-29 Elastic surface wave apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5176375A JPS51127650A (en) 1975-04-29 1975-04-29 Elastic surface wave apparatus

Publications (1)

Publication Number Publication Date
JPS51127650A true JPS51127650A (en) 1976-11-06

Family

ID=12895978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5176375A Pending JPS51127650A (en) 1975-04-29 1975-04-29 Elastic surface wave apparatus

Country Status (1)

Country Link
JP (1) JPS51127650A (en)

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