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
Links
Classifications
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- 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)
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 (pt) |
Family
ID=24951369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL71368D NL71368C (pt) | 1947-03-13 |
Country Status (2)
Country | Link |
---|---|
US (1) | US2480535A (pt) |
NL (1) | NL71368C (pt) |
Families Citing this family (18)
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 |
US2949772A (en) * | 1954-12-10 | 1960-08-23 | Kritz Jack | Flowmeter |
US2931223A (en) * | 1954-12-10 | 1960-04-05 | Kritz Jack | Transducers for acoustic 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)
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 |
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0
- NL NL71368D patent/NL71368C/xx active
-
1947
- 1947-03-13 US US734360A patent/US2480535A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US2480535A (en) | 1949-08-30 |