JPS53139950A - Filter for elastic surface wave - Google Patents

Filter for elastic surface wave

Info

Publication number
JPS53139950A
JPS53139950A JP5501277A JP5501277A JPS53139950A JP S53139950 A JPS53139950 A JP S53139950A JP 5501277 A JP5501277 A JP 5501277A JP 5501277 A JP5501277 A JP 5501277A JP S53139950 A JPS53139950 A JP S53139950A
Authority
JP
Japan
Prior art keywords
filter
surface wave
elastic surface
transmission path
input
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
JP5501277A
Other languages
Japanese (ja)
Inventor
Noboru Wakatsuki
Yoshiaki Fujiwara
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP5501277A priority Critical patent/JPS53139950A/en
Publication of JPS53139950A publication Critical patent/JPS53139950A/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
    • H03H9/02858—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 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
    • H03H9/14544—Transducers of particular shape or position
    • H03H9/1455—Transducers of particular shape or position constituted of N parallel or series transducers

Landscapes

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

Abstract

PURPOSE:To reduce the effect of lack of uniformity of transmission path, by arranging a band shape electrode having a number of pairs equal to the opening length of an input transducer on the transmission path at the intermediate part of the input and output transducers.
JP5501277A 1977-05-13 1977-05-13 Filter for elastic surface wave Pending JPS53139950A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5501277A JPS53139950A (en) 1977-05-13 1977-05-13 Filter for elastic surface wave

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5501277A JPS53139950A (en) 1977-05-13 1977-05-13 Filter for elastic surface wave

Publications (1)

Publication Number Publication Date
JPS53139950A true JPS53139950A (en) 1978-12-06

Family

ID=12986737

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5501277A Pending JPS53139950A (en) 1977-05-13 1977-05-13 Filter for elastic surface wave

Country Status (1)

Country Link
JP (1) JPS53139950A (en)

Similar Documents

Publication Publication Date Title
JPS5414137A (en) Elastic surface wave unit
JPS5420638A (en) Polarized filter
JPS5419634A (en) Elastic surface wave transducer
JPS53139950A (en) Filter for elastic surface wave
JPS53132246A (en) Elastic surface wave filter
JPS5394155A (en) Elastic surface wave filter
JPS53110349A (en) Elastic surface wave filter device
JPS55115712A (en) Elastic surface wave filter
JPS53114644A (en) Elastic surface wave filter
JPS5272136A (en) Elastic surface wave filter
JPS5227240A (en) Surface wave filter
JPS5216146A (en) Elastic surface wave device
JPS5324249A (en) Elastic surface wave filter
JPS56166619A (en) Elastic surface wave device
JPS54136154A (en) Elastic surface wave device
JPS544548A (en) Elastic surface-wave filter
JPS53102648A (en) Magnetostriction delay line
JPS57155825A (en) Surface wave device
JPS5436157A (en) Elasic surface wave filter
JPS5419636A (en) Elastic surface wave filter
JPS5324250A (en) Elastic surface wave filter unit
JPS5437553A (en) Elastic surface-wave filter
JPS5419635A (en) Elastic surface wave propagation element
JPS52126151A (en) Elastic surface wave comb shaped filter
JPS5354446A (en) Trap circuit