BR8306569A - Transdutor de rede diretiva com ajuste de fase,processo e aparelho para sua realizacao - Google Patents

Transdutor de rede diretiva com ajuste de fase,processo e aparelho para sua realizacao

Info

Publication number
BR8306569A
BR8306569A BR8306569A BR8306569A BR8306569A BR 8306569 A BR8306569 A BR 8306569A BR 8306569 A BR8306569 A BR 8306569A BR 8306569 A BR8306569 A BR 8306569A BR 8306569 A BR8306569 A BR 8306569A
Authority
BR
Brazil
Prior art keywords
appliance
adjustment
performance
phase
network transducer
Prior art date
Application number
BR8306569A
Other languages
English (en)
Inventor
John C Congdon
Original Assignee
Magnavox Co
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 Magnavox Co filed Critical Magnavox Co
Publication of BR8306569A publication Critical patent/BR8306569A/pt

Links

Classifications

    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • 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
    • G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
    • G10K11/006—Transducer mounting in underwater equipment, e.g. sonobuoys
    • 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
    • B06B1/0644—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 a single piezoelectric element
    • B06B1/0655—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 a single piezoelectric element of cylindrical shape
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
BR8306569A 1982-12-02 1983-11-29 Transdutor de rede diretiva com ajuste de fase,processo e aparelho para sua realizacao BR8306569A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/446,330 US4546459A (en) 1982-12-02 1982-12-02 Method and apparatus for a phased array transducer

Publications (1)

Publication Number Publication Date
BR8306569A true BR8306569A (pt) 1984-09-18

Family

ID=23772182

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8306569A BR8306569A (pt) 1982-12-02 1983-11-29 Transdutor de rede diretiva com ajuste de fase,processo e aparelho para sua realizacao

Country Status (10)

Country Link
US (2) US4546459A (pt)
EP (1) EP0110480B1 (pt)
JP (1) JPS59139789A (pt)
KR (1) KR920001475B1 (pt)
AU (1) AU560851B2 (pt)
BR (1) BR8306569A (pt)
CA (1) CA1223331A (pt)
DE (1) DE3382351D1 (pt)
ES (2) ES8407282A1 (pt)
NZ (1) NZ206428A (pt)

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US6950566B1 (en) * 2003-08-27 2005-09-27 Novera Optics, Inc. Method and apparatus for an acousto-optic filter that generates a helical wave and method for manufacturing same
US20050225206A1 (en) * 2004-04-02 2005-10-13 Michio Tsujiura Multi-electrode piezoelectric ceramic
ES2343409T3 (es) * 2004-06-14 2010-07-30 Gas Turbine Efficiency Ab Sistema y dispositivos para recoger y tratar las aguas residuales de lavados de motores.
JP4993331B2 (ja) * 2005-03-25 2012-08-08 Ｎｅｃトーキン株式会社 音響標的用送受波器
US20060243280A1 (en) 2005-04-27 2006-11-02 Caro Richard G Method of determining lung condition indicators
EP1879501A4 (en) 2005-04-29 2009-05-20 Oren Gavriely COUGH DETECTOR
GB2426405B (en) * 2005-05-21 2008-02-27 Sonaptic Ltd Miniature planar acoustic networks
US20070055175A1 (en) * 2005-05-25 2007-03-08 Pulmosonix Pty Ltd Devices and methods for tissue analysis
US8335131B2 (en) * 2006-09-29 2012-12-18 Undersea Sensor Systems, Inc. Acoustic transducer array element having a plurality of acoustically coupled transducer assemblies
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US8570239B2 (en) * 2008-10-10 2013-10-29 LHC2 Inc. Spiraling surface antenna
EP2412057A2 (en) * 2009-01-23 2012-02-01 LHC2 Inc Compact circularly polarized omni-directional antenna
CA2766802A1 (en) * 2009-06-24 2010-12-29 Tecwel As Transducer assembly
JP5387293B2 (ja) * 2009-09-29 2014-01-15 日本電気株式会社 音響トランスデューサ
US11413653B2 (en) 2010-06-24 2022-08-16 Cvr Global, Inc. Sensor, sensor pad and sensor array for detecting infrasonic acoustic signals
WO2011163509A1 (en) * 2010-06-24 2011-12-29 Cvr Global, Inc. Sensor, sensor pad and sensor array for detecting infrasonic acoustic signals
CN104520535A (zh) * 2012-06-07 2015-04-15 加州理工学院 使用最不阻碍流体流的声学调制解调器在管道中通信
CN102877827B (zh) * 2012-10-10 2015-03-11 中国石油天然气集团公司 一种随钻声波测井的声系模块
US9503201B2 (en) 2012-10-26 2016-11-22 Rensselaer Polytechnic Institute Acoustic-electric channel construction and operation using adaptive transducer arrays
US9482765B2 (en) * 2013-02-22 2016-11-01 Cgg Services Sa Vibrator source array load-balancing method and system
FR3026569B1 (fr) * 2014-09-26 2017-12-08 Thales Sa Antenne omnidirectionnelle
US9451355B1 (en) 2015-03-31 2016-09-20 Bose Corporation Directional acoustic device
US10057701B2 (en) 2015-03-31 2018-08-21 Bose Corporation Method of manufacturing a loudspeaker
RU190346U1 (ru) * 2018-10-23 2019-06-28 Галина Михайловна Волк Комбинированный цифровой акустический приемник
CN109508490B (zh) * 2018-11-08 2023-03-24 中车青岛四方机车车辆股份有限公司 一种中空铝型材的声学模型等效方法
US11914066B1 (en) * 2020-03-05 2024-02-27 Johnson Outdoors Inc. Multiplexed phased array multibeam sonar
GB202206512D0 (en) * 2022-05-04 2022-06-15 Ultra Electronics Ltd A Hull-Mounted Sonar Array

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Also Published As

Publication number Publication date
ES8503157A1 (es) 1985-02-01
JPH0417519B2 (pt) 1992-03-26
CA1223331A (en) 1987-06-23
ES532190A0 (es) 1985-02-01
AU2173683A (en) 1984-06-07
EP0110480A3 (en) 1987-05-13
EP0110480A2 (en) 1984-06-13
AU560851B2 (en) 1987-04-16
US4706229A (en) 1987-11-10
EP0110480B1 (en) 1991-07-24
DE3382351D1 (de) 1991-08-29
KR840009142A (ko) 1984-12-24
NZ206428A (en) 1987-07-31
KR920001475B1 (ko) 1992-02-14
JPS59139789A (ja) 1984-08-10
ES527654A0 (es) 1984-09-01
ES8407282A1 (es) 1984-09-01
US4546459A (en) 1985-10-08

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)