FR2040410B1 - - Google Patents

Info

Publication number
FR2040410B1
FR2040410B1 FR707015757A FR7015757A FR2040410B1 FR 2040410 B1 FR2040410 B1 FR 2040410B1 FR 707015757 A FR707015757 A FR 707015757A FR 7015757 A FR7015757 A FR 7015757A FR 2040410 B1 FR2040410 B1 FR 2040410B1
Authority
FR
France
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
FR707015757A
Other versions
FR2040410A1 (fr
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of FR2040410A1 publication Critical patent/FR2040410A1/fr
Application granted granted Critical
Publication of FR2040410B1 publication Critical patent/FR2040410B1/fr
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 devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
    • B06B1/0622—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
    • B06B1/0629—Square array
FR707015757A 1969-04-29 1970-04-29 Expired FR2040410B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82011169A 1969-04-29 1969-04-29

Publications (2)

Publication Number Publication Date
FR2040410A1 FR2040410A1 (fr) 1971-01-22
FR2040410B1 true FR2040410B1 (fr) 1973-07-13

Family

ID=25229916

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707015757A Expired FR2040410B1 (fr) 1969-04-29 1970-04-29

Country Status (3)

Country Link
US (1) US3593214A (fr)
FR (1) FR2040410B1 (fr)
GB (1) GB1312981A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3689784A (en) * 1970-09-10 1972-09-05 Westinghouse Electric Corp Broadband, high frequency, thin film piezoelectric transducers
US4101852A (en) * 1976-09-21 1978-07-18 Northwestern University Microacoustic shear bulk wave device
US4016515A (en) * 1975-12-31 1977-04-05 Hughes Aircraft Company Bulk acoustic wave delay line
DE4103145A1 (de) * 1991-02-02 1992-08-13 Schott Glaswerke Ultraschallsonde

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB988102A (en) * 1962-08-03 1965-04-07 Marconi Co Ltd Improvements in or relating to wave-energy delay cells
US3310761A (en) * 1963-06-18 1967-03-21 Joseph B Brauer Tapped microwave acoustic delay line
US3401360A (en) * 1963-07-19 1968-09-10 Bell Telephone Labor Inc Phased transducer arrays for elastic wave transmission
US3289114A (en) * 1963-12-24 1966-11-29 Bell Telephone Labor Inc Tapped ultrasonic delay line and uses therefor
US3387233A (en) * 1964-06-11 1968-06-04 Bell Telephone Labor Inc Signal dispersion system
NL6511135A (fr) * 1965-08-26 1967-02-27
US3479572A (en) * 1967-07-06 1969-11-18 Litton Precision Prod Inc Acoustic surface wave device

Also Published As

Publication number Publication date
GB1312981A (en) 1973-04-11
FR2040410A1 (fr) 1971-01-22
US3593214A (en) 1971-07-13

Similar Documents

Publication Publication Date Title
AU2270770A (fr)
AU465452B2 (fr)
AU429630B2 (fr)
AU450150B2 (fr)
AU2355770A (fr)
AU442375B2 (fr)
AU427401B2 (fr)
AU470301B1 (fr)
AU442380B2 (fr)
AU410358B2 (fr)
AU428074B2 (fr)
AU428129B2 (fr)
AU428131B2 (fr)
AU417208B2 (fr)
AT308690B (fr)
AU438128B2 (fr)
AU470661B1 (fr)
AU442285B2 (fr)
AU442322B2 (fr)
AU442357B2 (fr)
AU414607B2 (fr)
AU425297B2 (fr)
AU442463B2 (fr)
AU442535B2 (fr)
AU442538B2 (fr)

Legal Events

Date Code Title Description
ST Notification of lapse