FR1353531A - Projecteur d'ondes sonores directif - Google Patents
Projecteur d'ondes sonores directifInfo
- Publication number
- FR1353531A FR1353531A FR921116A FR921116A FR1353531A FR 1353531 A FR1353531 A FR 1353531A FR 921116 A FR921116 A FR 921116A FR 921116 A FR921116 A FR 921116A FR 1353531 A FR1353531 A FR 1353531A
- Authority
- FR
- France
- Prior art keywords
- sound wave
- directional sound
- wave projector
- projector
- directional
- 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
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
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
- G10K11/341—Circuits therefor
- G10K11/348—Circuits therefor using amplitude variation
-
- 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
- B06B1/08—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction
- B06B1/085—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction using multiple elements, e.g. arrays
-
- 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
-
- 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
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
- G10K11/341—Circuits therefor
- G10K11/346—Circuits therefor using phase variation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Transducers For Ultrasonic Waves (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR921116A FR1353531A (fr) | 1963-01-11 | 1963-01-11 | Projecteur d'ondes sonores directif |
GB925/64A GB1056224A (en) | 1963-01-11 | 1964-01-08 | Variable directivity sound radiation and reception |
US336513A US3277432A (en) | 1963-01-11 | 1964-01-08 | Directive sound wave transmitter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR921116A FR1353531A (fr) | 1963-01-11 | 1963-01-11 | Projecteur d'ondes sonores directif |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1353531A true FR1353531A (fr) | 1964-02-28 |
Family
ID=8794499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR921116A Expired FR1353531A (fr) | 1963-01-11 | 1963-01-11 | Projecteur d'ondes sonores directif |
Country Status (3)
Country | Link |
---|---|
US (1) | US3277432A (fr) |
FR (1) | FR1353531A (fr) |
GB (1) | GB1056224A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4414654A (en) * | 1981-02-06 | 1983-11-08 | Canadian Patents And Development Limited | Thinned array transducer for sonar |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB894157A (en) * | 1958-04-22 | 1962-04-18 | Philips Electrical Ind Ltd | Improvements in or relating to ultrasonic devices |
US3002188A (en) * | 1959-04-14 | 1961-09-26 | Frank R Abbott | Harmonic wave beam-steering system |
US3160848A (en) * | 1960-05-16 | 1964-12-08 | Jr Carroll L Key | Magnetostrictive transducer |
-
1963
- 1963-01-11 FR FR921116A patent/FR1353531A/fr not_active Expired
-
1964
- 1964-01-08 GB GB925/64A patent/GB1056224A/en not_active Expired
- 1964-01-08 US US336513A patent/US3277432A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3277432A (en) | 1966-10-04 |
GB1056224A (en) | 1967-01-25 |
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