JPS55687A - Elastic surface wave filter - Google Patents

Elastic surface wave filter

Info

Publication number
JPS55687A
JPS55687A JP5152179A JP5152179A JPS55687A JP S55687 A JPS55687 A JP S55687A JP 5152179 A JP5152179 A JP 5152179A JP 5152179 A JP5152179 A JP 5152179A JP S55687 A JPS55687 A JP S55687A
Authority
JP
Japan
Prior art keywords
electrode groups
elastic surface
comb
wave filter
surface 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.)
Granted
Application number
JP5152179A
Other languages
English (en)
Japanese (ja)
Other versions
JPS641974B2 (enExample
Inventor
Yasuaki Kinoshita
Toyoji Tabuchi
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5152179A priority Critical patent/JPS55687A/ja
Publication of JPS55687A publication Critical patent/JPS55687A/ja
Publication of JPS641974B2 publication Critical patent/JPS641974B2/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
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6489—Compensation of undesirable effects
    • H03H9/6496—Reducing ripple in transfer characteristic
    • 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
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02685—Grating lines having particular arrangements
    • H03H9/02716—Tilted, fan shaped or slanted grating lines
    • 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
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02685—Grating lines having particular arrangements
    • H03H9/02771—Reflector banks
    • 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
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02795—Multi-strip couplers as track changers
    • 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
    • H03H9/6403—Programmable filters
    • 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
    • H03H9/6433—Coupled resonator filters
    • H03H9/644—Coupled resonator filters having two acoustic tracks
    • H03H9/6443—Coupled resonator filters having two acoustic tracks being acoustically coupled
    • H03H9/6446—Coupled resonator filters having two acoustic tracks being acoustically coupled by floating multistrip couplers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP5152179A 1979-04-27 1979-04-27 Elastic surface wave filter Granted JPS55687A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5152179A JPS55687A (en) 1979-04-27 1979-04-27 Elastic surface wave filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5152179A JPS55687A (en) 1979-04-27 1979-04-27 Elastic surface wave filter

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP53034584A Division JPS5828177B2 (ja) 1978-03-24 1978-03-24 栓蓋付きブリスタ−パック

Publications (2)

Publication Number Publication Date
JPS55687A true JPS55687A (en) 1980-01-07
JPS641974B2 JPS641974B2 (enExample) 1989-01-13

Family

ID=12889308

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5152179A Granted JPS55687A (en) 1979-04-27 1979-04-27 Elastic surface wave filter

Country Status (1)

Country Link
JP (1) JPS55687A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151021A (ja) * 1982-12-15 1984-08-29 ウエストフエ−リツシエ・メタル・インドウストリ−・コムマンデイト・ゲゼルシヤフト・ヒユツク・ウント・コムパニ− 液体容器の充てん状態を測定および監視する装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59151021A (ja) * 1982-12-15 1984-08-29 ウエストフエ−リツシエ・メタル・インドウストリ−・コムマンデイト・ゲゼルシヤフト・ヒユツク・ウント・コムパニ− 液体容器の充てん状態を測定および監視する装置

Also Published As

Publication number Publication date
JPS641974B2 (enExample) 1989-01-13

Similar Documents

Publication Publication Date Title
GB1529942A (en) Electrical filters including coupled resonators
DE2960263D1 (en) Piezoelectric transducers with mechanical amplification for very low frequencies and acoustic antennas
GB1430725A (en) Acoustic surface wave devices
JPS5693414A (en) Elastic surface wave element
JPS5575333A (en) Elastic surface wave filter
IE45949L (en) Microwave filter
JPS55687A (en) Elastic surface wave filter
JPS5773514A (en) Surface acoustic wave filter
JPS5797215A (en) Surface acoustic wave device
JPS5561126A (en) Elastic surface wave device
JPS6450608A (en) Surface acoustic wave device
JPS55114020A (en) Elastic surface wave filter
JPS553280A (en) Composite elastic surface wave filter
JPS5745799A (en) Piezo-electric type speaker
JPS56128011A (en) Surface elastic wave filter
JPS53132246A (en) Elastic surface wave filter
JPS6484909A (en) Surface acoustic wave device
JPS54161247A (en) Elastic surface-wave filter
JPS5555615A (en) Surface acoustic wave filter
JPS55154815A (en) Elastic surface wave filter
SU1016839A1 (ru) Электромеханический фильтр
JPS5697323A (en) Acousto-optic element
JPS5582529A (en) High efficiency wide band surface acoustic wave coupler processor
JPS55112023A (en) Elastic surface wave filter
JPS5593400A (en) Electro-acoustic converter