FR761783A - Apparatus emitting or receiving underwater elastic waves - Google Patents

Apparatus emitting or receiving underwater elastic waves

Info

Publication number
FR761783A
FR761783A FR761783DA FR761783A FR 761783 A FR761783 A FR 761783A FR 761783D A FR761783D A FR 761783DA FR 761783 A FR761783 A FR 761783A
Authority
FR
France
Prior art keywords
elastic waves
apparatus emitting
receiving underwater
underwater elastic
receiving
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
Other languages
French (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.)
Atlas Werke AG
Original Assignee
Atlas Werke AG
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 Atlas Werke AG filed Critical Atlas Werke AG
Application granted granted Critical
Publication of FR761783A publication Critical patent/FR761783A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B06B1/0644—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 a single piezoelectric element
    • B06B1/0662—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 a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/0677—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 a single piezoelectric element with an electrode on the sensitive surface and a high impedance backing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Transducers For Ultrasonic Waves (AREA)
FR761783D 1932-12-24 1933-10-09 Apparatus emitting or receiving underwater elastic waves Expired FR761783A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE423205X 1932-12-24

Publications (1)

Publication Number Publication Date
FR761783A true FR761783A (en) 1934-03-27

Family

ID=6468761

Family Applications (1)

Application Number Title Priority Date Filing Date
FR761783D Expired FR761783A (en) 1932-12-24 1933-10-09 Apparatus emitting or receiving underwater elastic waves

Country Status (3)

Country Link
US (1) US2138036A (en)
FR (1) FR761783A (en)
GB (1) GB423205A (en)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2712124A (en) * 1955-06-28 ording
US2427348A (en) * 1941-08-19 1947-09-16 Bell Telephone Labor Inc Piezoelectric vibrator
US2435595A (en) * 1942-02-19 1948-02-10 Bell Telephone Labor Inc High-power compressional wave radiator
US2433383A (en) * 1942-06-24 1947-12-30 Bell Telephone Labor Inc Crystal microphone
US2452068A (en) * 1943-01-23 1948-10-26 Submarine Signal Co Sound pickup device
US2425594A (en) * 1943-03-04 1947-08-12 Western Electric Co Submarine signal microphone
US2420864A (en) * 1943-04-17 1947-05-20 Chilowsky Constantin Piezoelectric plastic material and method of making same
US2694868A (en) * 1943-08-03 1954-11-23 Edwin M Mcmillan Echo repeater
US2838850A (en) * 1943-09-15 1958-06-17 Edward B Stephenson Virtual target for echo ranging apparatus
US2436377A (en) * 1943-12-27 1948-02-24 Bell Telephone Labor Inc Ultrasonic compressional wave transmission
US2529658A (en) * 1944-01-31 1950-11-14 Brush Dev Co Transducer and system
US2427062A (en) * 1944-06-02 1947-09-09 Brush Dev Co Vibrational energy transmitter or receiver
US2538114A (en) * 1944-10-17 1951-01-16 Bell Telephone Labor Inc Thickness measurement
US2451966A (en) * 1944-11-18 1948-10-19 Brush Dev Co Transducer
US2472714A (en) * 1945-04-16 1949-06-07 Massa Frank Piezoelectric sound pressure microphone
US2482451A (en) * 1945-06-07 1949-09-20 Reeves Hoffman Corp Piezoelectric crystal holder
US2710458A (en) * 1945-06-14 1955-06-14 Donald G Reed Underwater acoustic decoy
US2448365A (en) * 1945-07-27 1948-08-31 Bell Telephone Labor Inc Projector and receiver of supersonic frequencies
US2605346A (en) * 1945-09-18 1952-07-29 Roland M Goglick Waterproof microphone
US2521642A (en) * 1945-11-29 1950-09-05 Brush Dev Co Transducer means
US2546313A (en) * 1946-12-26 1951-03-27 Brush Dev Co Testing instrument for acoustic devices
US2589135A (en) * 1947-04-25 1952-03-11 Bell Telephone Labor Inc Submarine signaling device
US2650991A (en) * 1947-11-14 1953-09-01 Bell Telephone Labor Inc Accelerometer
US2486146A (en) * 1948-10-01 1949-10-25 Cambridge Thermionic Corp Pressure responsive transducer
US2613261A (en) * 1948-12-08 1952-10-07 Massa Frank Underwater transducer
US2723357A (en) * 1953-01-06 1955-11-08 Sperry Prod Inc Search units for ultrasonic inspection systems
US2860265A (en) * 1954-06-21 1958-11-11 Bell Telephone Labor Inc Ferroelectric device
US2851541A (en) * 1954-07-28 1958-09-09 Electro Voice Electromechanical transducer
US2962695A (en) * 1955-05-13 1960-11-29 Harris Transducer Corp Resonant low-frequency transducer
US3030527A (en) * 1955-08-08 1962-04-17 Stewart Warner Corp Piezo-electric power source assembly
US3215977A (en) * 1960-07-27 1965-11-02 Clevite Corp Acoustic transducer
US4433399A (en) * 1979-07-05 1984-02-21 The Stoneleigh Trust Ultrasonic transducers
GB2118757A (en) * 1982-01-21 1983-11-02 Ashworth Jones Alun David Audio transducer
EP0609561B1 (en) * 1993-02-04 1996-09-04 Landis & Gyr Technology Innovation AG Transducer

Also Published As

Publication number Publication date
US2138036A (en) 1938-11-29
GB423205A (en) 1935-01-28

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