FR1353531A - Projecteur d'ondes sonores directif - Google Patents

Projecteur d'ondes sonores directif

Info

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
Application number
FR921116A
Other languages
English (en)
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR921116A priority Critical patent/FR1353531A/fr
Priority to GB925/64A priority patent/GB1056224A/en
Priority to US336513A priority patent/US3277432A/en
Application granted granted Critical
Publication of FR1353531A publication Critical patent/FR1353531A/fr
Expired legal-status Critical Current

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)
FR921116A 1963-01-11 1963-01-11 Projecteur d'ondes sonores directif Expired FR1353531A (fr)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US3277432A (en) 1966-10-04
GB1056224A (en) 1967-01-25

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