GB1372235A - Acoustic surface wave devices - Google Patents

Acoustic surface wave devices

Info

Publication number
GB1372235A
GB1372235A GB74972*[A GB74972A GB1372235A GB 1372235 A GB1372235 A GB 1372235A GB 74972 A GB74972 A GB 74972A GB 1372235 A GB1372235 A GB 1372235A
Authority
GB
United Kingdom
Prior art keywords
coupler
track
couplers
quadrature
filaments
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
GB74972*[A
Other languages
English (en)
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.)
SECR DEFENCE
UK Secretary of State for Defence
Original Assignee
SECR DEFENCE
UK Secretary of State for Defence
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
Priority to GB1756372A priority Critical patent/GB1385055A/en
Application filed by SECR DEFENCE, UK Secretary of State for Defence filed Critical SECR DEFENCE
Priority to GB74972*[A priority patent/GB1372235A/en
Priority to FR727215968A priority patent/FR2135303B1/fr
Priority to NO721573A priority patent/NO136017C/no
Priority to JP7243825A priority patent/JPS5635043B1/ja
Priority to CA141,287A priority patent/CA966588A/en
Priority to IT6839072A priority patent/IT958792B/it
Priority to DE2222229A priority patent/DE2222229C2/de
Priority to NLAANVRAGE7206096,A priority patent/NL179528C/xx
Publication of GB1372235A publication Critical patent/GB1372235A/en
Expired 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
    • H03H9/30—Time-delay networks
    • H03H9/42—Time-delay networks using surface acoustic waves
    • H03H9/423—Time-delay networks using surface acoustic waves with adjustable delay time
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F13/00—Amplifiers using amplifying element consisting of two mechanically- or acoustically-coupled transducers, e.g. telephone-microphone amplifier
    • 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
    • H03H9/0296—Surface acoustic wave [SAW] devices having both acoustic and non-acoustic properties
    • H03H9/02976—Surface acoustic wave [SAW] devices having both acoustic and non-acoustic properties with semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/30—Time-delay networks
    • H03H9/42—Time-delay networks using surface acoustic waves
    • H03H9/44—Frequency dependent delay lines, e.g. dispersive delay 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
    • H03H9/66—Phase shifters
    • H03H9/68—Phase shifters using surface acoustic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
GB74972*[A 1971-05-05 1972-01-07 Acoustic surface wave devices Expired GB1372235A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB1756372A GB1385055A (en) 1971-05-05 1971-05-05 Acoustic surface wave devices
GB74972*[A GB1372235A (en) 1971-05-05 1972-01-07 Acoustic surface wave devices
FR727215968A FR2135303B1 (enExample) 1971-05-05 1972-05-04
NO721573A NO136017C (enExample) 1971-05-05 1972-05-04
JP7243825A JPS5635043B1 (enExample) 1971-05-05 1972-05-04
CA141,287A CA966588A (en) 1971-05-05 1972-05-04 Acoustic surface wave devices
IT6839072A IT958792B (it) 1971-05-05 1972-05-04 Dispositivo a onda acustica di superficie
DE2222229A DE2222229C2 (de) 1971-05-05 1972-05-05 Akustisches Oberflächenwellenelement
NLAANVRAGE7206096,A NL179528C (nl) 1971-05-05 1972-05-05 Koppelinrichting voor akoestische oppervlaktegolven.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1312571 1971-05-05
GB74972*[A GB1372235A (en) 1971-05-05 1972-01-07 Acoustic surface wave devices

Publications (1)

Publication Number Publication Date
GB1372235A true GB1372235A (en) 1974-10-30

Family

ID=26236161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB74972*[A Expired GB1372235A (en) 1971-05-05 1972-01-07 Acoustic surface wave devices

Country Status (8)

Country Link
JP (1) JPS5635043B1 (enExample)
CA (1) CA966588A (enExample)
DE (1) DE2222229C2 (enExample)
FR (1) FR2135303B1 (enExample)
GB (1) GB1372235A (enExample)
IT (1) IT958792B (enExample)
NL (1) NL179528C (enExample)
NO (1) NO136017C (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120037A (en) * 1982-03-11 1983-11-23 Nobuo Mikoshiba Surface acoustic wave device
GB2139442A (en) * 1983-05-05 1984-11-07 Gen Electric Co Plc Surface acoustic wave device
GB2160379A (en) * 1984-06-15 1985-12-18 Philips Electronic Associated Surface-propagating acoustic wave device
GB2181917A (en) * 1982-03-11 1987-04-29 Nobuo Mikoshiba Surface acoustic wave device
GB2181918A (en) * 1982-03-11 1987-04-29 Nobuo Mikoshiba Surface acoustic wave device

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2235633A5 (enExample) * 1973-06-29 1975-01-24 Thomson Csf
GB1445782A (en) * 1974-03-05 1976-08-11 Standard Telephones Cables Ltd Surface acoustic wave filter device
FR2461368A1 (fr) * 1979-07-06 1981-01-30 Thomson Csf Dispositif a ondes magnetostatiques comportant une structure d'echange a bandes conductrices
US7729945B1 (en) 1998-03-11 2010-06-01 West Corporation Systems and methods that use geographic data to intelligently select goods and services to offer in telephonic and electronic commerce
FR3100998B1 (fr) * 2019-09-25 2022-06-03 Lille Ecole Centrale Dispositif pour nettoyer un support recouvert d’un liquide

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500461A (en) * 1967-03-16 1970-03-10 Itt Research Institute Kinetomagnetic,piezoelectric and piezoresistive tapping techniques for non-magnetic delay lines
US3479572A (en) * 1967-07-06 1969-11-18 Litton Precision Prod Inc Acoustic surface wave device
US3568102A (en) * 1967-07-06 1971-03-02 Litton Precision Prod Inc Split surface wave acoustic delay line
DE1814955C3 (de) * 1968-12-16 1973-10-04 Siemens Ag, 1000 Berlin U. 8000 Muenchen Ultraschall Übertragungsleitung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120037A (en) * 1982-03-11 1983-11-23 Nobuo Mikoshiba Surface acoustic wave device
GB2181917A (en) * 1982-03-11 1987-04-29 Nobuo Mikoshiba Surface acoustic wave device
GB2181918A (en) * 1982-03-11 1987-04-29 Nobuo Mikoshiba Surface acoustic wave device
GB2139442A (en) * 1983-05-05 1984-11-07 Gen Electric Co Plc Surface acoustic wave device
GB2160379A (en) * 1984-06-15 1985-12-18 Philips Electronic Associated Surface-propagating acoustic wave device

Also Published As

Publication number Publication date
NO136017B (enExample) 1977-03-28
NL179528B (nl) 1986-04-16
IT958792B (it) 1973-10-30
NL179528C (nl) 1986-09-16
FR2135303A1 (enExample) 1972-12-15
FR2135303B1 (enExample) 1973-07-13
NL7206096A (enExample) 1972-11-07
CA966588A (en) 1975-04-22
DE2222229C2 (de) 1986-10-23
DE2222229A1 (de) 1972-11-16
NO136017C (enExample) 1977-07-06
JPS5635043B1 (enExample) 1981-08-14

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years