ZA715457B - An improvement in or relating to sonar apparatus - Google Patents

An improvement in or relating to sonar apparatus

Info

Publication number
ZA715457B
ZA715457B ZA715457A ZA715457A ZA715457B ZA 715457 B ZA715457 B ZA 715457B ZA 715457 A ZA715457 A ZA 715457A ZA 715457 A ZA715457 A ZA 715457A ZA 715457 B ZA715457 B ZA 715457B
Authority
ZA
South Africa
Prior art keywords
relating
improvement
sonar apparatus
sonar
Prior art date
Application number
ZA715457A
Other languages
English (en)
Inventor
J Dorr
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of ZA715457B publication Critical patent/ZA715457B/xx

Links

Classifications

    • 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
    • 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)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
ZA715457A 1970-10-15 1971-08-16 An improvement in or relating to sonar apparatus ZA715457B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/080,988 US3949348A (en) 1970-10-15 1970-10-15 Sonar apparatus

Publications (1)

Publication Number Publication Date
ZA715457B true ZA715457B (en) 1972-04-26

Family

ID=22160952

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA715457A ZA715457B (en) 1970-10-15 1971-08-16 An improvement in or relating to sonar apparatus

Country Status (8)

Country Link
US (1) US3949348A (OSRAM)
JP (1) JPS5547513B1 (OSRAM)
AU (1) AU449298B2 (OSRAM)
CA (1) CA950104A (OSRAM)
DE (1) DE2150897C3 (OSRAM)
FR (1) FR2110445B1 (OSRAM)
GB (1) GB1306769A (OSRAM)
ZA (1) ZA715457B (OSRAM)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5243567A (en) * 1977-03-15 1993-09-07 Westinghouse Electric Corp. Sonar beam shaping with an acoustic baffle
EP0425716B1 (de) * 1989-10-30 1994-01-19 Siemens Aktiengesellschaft Ultraschall-Schichtwandler mit astigmatischer Schallkeule
FR2822548A1 (fr) * 2001-03-20 2002-09-27 Marc Brussieux Dispositif destine a la detection, la classification et l'identification des objets enfouis
AU2005271581B9 (en) * 2004-08-02 2011-01-06 Johnson Outdoors Inc. Sonar imaging system for mounting to watercraft
US8305840B2 (en) 2009-07-14 2012-11-06 Navico, Inc. Downscan imaging sonar
US8300499B2 (en) 2009-07-14 2012-10-30 Navico, Inc. Linear and circular downscan imaging sonar
US9142206B2 (en) 2011-07-14 2015-09-22 Navico Holding As System for interchangeable mounting options for a sonar transducer
US9182486B2 (en) 2011-12-07 2015-11-10 Navico Holding As Sonar rendering systems and associated methods
US9268020B2 (en) 2012-02-10 2016-02-23 Navico Holding As Sonar assembly for reduced interference
US9354312B2 (en) 2012-07-06 2016-05-31 Navico Holding As Sonar system using frequency bursts
US10151829B2 (en) 2016-02-23 2018-12-11 Navico Holding As Systems and associated methods for producing sonar image overlay
US11367425B2 (en) 2017-09-21 2022-06-21 Navico Holding As Sonar transducer with multiple mounting options

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2741754A (en) * 1950-12-27 1956-04-10 Clevite Corp Disk transducer
BE545751A (OSRAM) * 1955-03-08
US3113287A (en) * 1956-03-29 1963-12-03 Raytheon Co Electroacoustical transducer mounted on boat hull
US2972068A (en) * 1956-07-06 1961-02-14 Automation Instr Inc Uni-directional ultrasonic transducer
US3359537A (en) * 1964-06-30 1967-12-19 Westinghouse Electric Corp Transducer
JPS4122565Y1 (OSRAM) * 1964-09-30 1966-11-14
US3409869A (en) * 1965-07-21 1968-11-05 Navy Usa Deep submergence acoustic transducer array construction
US3372370A (en) * 1965-09-22 1968-03-05 Aquasonics Engineering Company Electroacoustic transducer
US3333236A (en) * 1966-04-20 1967-07-25 Schloss Fred Hydrophone unit

Also Published As

Publication number Publication date
DE2150897C3 (de) 1981-04-30
FR2110445A1 (OSRAM) 1972-06-02
JPS5547513B1 (OSRAM) 1980-12-01
GB1306769A (en) 1973-02-14
DE2150897A1 (de) 1972-04-20
AU449298B2 (en) 1974-06-06
DE2150897B2 (de) 1980-07-17
AU3249671A (en) 1973-02-22
FR2110445B1 (OSRAM) 1976-10-29
US3949348A (en) 1976-04-06
CA950104A (en) 1974-06-25

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