BE545751A - - Google Patents
Info
- Publication number
- BE545751A BE545751A BE545751DA BE545751A BE 545751 A BE545751 A BE 545751A BE 545751D A BE545751D A BE 545751DA BE 545751 A BE545751 A BE 545751A
- Authority
- BE
- Belgium
Links
Classifications
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US492895A US2797399A (en) | 1955-03-08 | 1955-03-08 | Underwater transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE545751A true BE545751A (en) |
Family
ID=23958045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE545751D BE545751A (en) | 1955-03-08 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2797399A (en) |
| BE (1) | BE545751A (en) |
| GB (1) | GB780178A (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3090939A (en) * | 1953-05-13 | 1963-05-21 | Massa Frank | Tessellated electromechanical transducer element |
| US3094636A (en) * | 1956-06-15 | 1963-06-18 | Bendix Corp | Underwater transducer |
| US3337841A (en) * | 1957-04-09 | 1967-08-22 | Walter N Wainwright | Underwater telephone |
| US3099813A (en) * | 1957-04-26 | 1963-07-30 | Engelhard Ind Inc | Electrolytic-ignition underwater sound source |
| US3039077A (en) * | 1957-05-21 | 1962-06-12 | Marvin L Lasky | Sonar dome unit |
| US5007030A (en) * | 1970-02-05 | 1991-04-09 | The United States Of America As Represented By The Secretary Of The Navy | Transducer assembly for deep submergence |
| US3949348A (en) * | 1970-10-15 | 1976-04-06 | Westinghouse Electric Corporation | Sonar apparatus |
| US4485321A (en) * | 1982-01-29 | 1984-11-27 | The United States Of America As Represented By The Secretary Of The Navy | Broad bandwidth composite transducers |
| US4518889A (en) * | 1982-09-22 | 1985-05-21 | North American Philips Corporation | Piezoelectric apodized ultrasound transducers |
| US4653036A (en) * | 1984-10-23 | 1987-03-24 | The United States Of America As Represented By The Department Of Health And Human Services | Transducer hydrophone with filled reservoir |
| US4674073A (en) * | 1985-02-28 | 1987-06-16 | Aisin Seiki Kabushiki Kaisha | Reflective object detecting apparatus |
| US5065068A (en) * | 1989-06-07 | 1991-11-12 | Oakley Clyde G | Ferroelectric ceramic transducer |
| CA2081485A1 (en) * | 1992-10-27 | 1994-04-28 | Harry Brazil | Acoustical broom |
-
0
- BE BE545751D patent/BE545751A/xx unknown
-
1955
- 1955-03-08 US US492895A patent/US2797399A/en not_active Expired - Lifetime
-
1956
- 1956-02-29 GB GB6360/56A patent/GB780178A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB780178A (en) | 1957-07-31 |
| US2797399A (en) | 1957-06-25 |