NL71368C - - Google Patents

Info

Publication number
NL71368C
NL71368C NL71368DA NL71368C NL 71368 C NL71368 C NL 71368C NL 71368D A NL71368D A NL 71368DA NL 71368 C NL71368 C NL 71368C
Authority
NL
Netherlands
Application number
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.)
Publication of NL71368C publication Critical patent/NL71368C/xx

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
NL71368D 1947-03-13 NL71368C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US734360A US2480535A (en) 1947-03-13 1947-03-13 Enclosure for vibratile elements

Publications (1)

Publication Number Publication Date
NL71368C true NL71368C (fr)

Family

ID=24951369

Family Applications (1)

Application Number Title Priority Date Filing Date
NL71368D NL71368C (fr) 1947-03-13

Country Status (2)

Country Link
US (1) US2480535A (fr)
NL (1) NL71368C (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2594948A (en) * 1947-10-30 1952-04-29 Brush Dev Co Electromechanical transducer unit
US2879496A (en) * 1948-09-30 1959-03-24 Research Corp Plastic cast ring stack transducer
US2558563A (en) * 1948-10-29 1951-06-26 Gen Electric Piezoelectric strain gauge
US2613261A (en) * 1948-12-08 1952-10-07 Massa Frank Underwater transducer
US2638577A (en) * 1949-11-15 1953-05-12 Harris Transducer Corp Transducer
US2943297A (en) * 1950-04-27 1960-06-28 Raymond L Steinberger Multiple element electroacoustic transducer
US2707755A (en) * 1950-07-20 1955-05-03 Sperry Prod Inc High absorption backings for ultrasonic crystals
US2761117A (en) * 1952-01-16 1956-08-28 Charles E Green Directional transducer
US2931223A (en) * 1954-12-10 1960-04-05 Kritz Jack Transducers for acoustic flowmeter
US2949772A (en) * 1954-12-10 1960-08-23 Kritz Jack Flowmeter
US2830204A (en) * 1955-07-01 1958-04-08 Harris Transducer Corp Linear mechanical oscillator circuit element transducer
US3027540A (en) * 1957-09-23 1962-03-27 Gulton Ind Inc Hydrophone with spaced electromechanical ceramic elements
US3068446A (en) * 1958-08-21 1962-12-11 Stanley L Ehrlich Tubular electrostrictive transducer with spaced electrodes and loading masses
US3212056A (en) * 1961-06-22 1965-10-12 Electronic Res Associates Inc Dual transducer device
US4054808A (en) * 1974-08-19 1977-10-18 Matsushita Electric Industrial Co., Ltd. Vibration detecting device having a piezoelectric ceramic plate and a method for adapting the same for use in musical instruments
GB1580253A (en) * 1977-02-21 1980-11-26 Australasian Training Aids Pty Firing range
AU534645B2 (en) * 1979-02-27 1984-02-09 Australasian Training Aids Pty. Ltd. Transducer assemblies
US4859897A (en) * 1988-04-07 1989-08-22 Frank Massa Directional waterproof ultrasonic transducer for operating in air

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2402531A (en) * 1944-03-28 1946-06-25 Brush Dev Co Transducer
US2386692A (en) * 1944-04-05 1945-10-09 Walter E Kuenstler Crystal

Also Published As

Publication number Publication date
US2480535A (en) 1949-08-30

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