ES541537A0 - Perfeccionamientos introducidos en instalaciones formadoras de haces, con desfase, prevista especialmente para transductores y disposicion de formador de haz correspondiente. - Google Patents

Perfeccionamientos introducidos en instalaciones formadoras de haces, con desfase, prevista especialmente para transductores y disposicion de formador de haz correspondiente.

Info

Publication number
ES541537A0
ES541537A0 ES541537A ES541537A ES541537A0 ES 541537 A0 ES541537 A0 ES 541537A0 ES 541537 A ES541537 A ES 541537A ES 541537 A ES541537 A ES 541537A ES 541537 A0 ES541537 A0 ES 541537A0
Authority
ES
Spain
Prior art keywords
foreseen
beamforming
transducers
installations
specially
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.)
Granted
Application number
ES541537A
Other languages
English (en)
Other versions
ES8703065A1 (es
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.)
Raytheon Co
Original Assignee
Hughes Aircraft 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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of ES541537A0 publication Critical patent/ES541537A0/es
Publication of ES8703065A1 publication Critical patent/ES8703065A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
    • H01Q3/36—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
    • H01Q3/38—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters the phase-shifters being digital
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters
    • H03H19/004—Switched capacitor networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
ES541537A 1984-03-26 1985-03-25 Perfeccionamientos introducidos en instalaciones formadoras de haces, con desfase, prevista especialmente para transductores y disposicion de formador de haz correspondiente. Expired ES8703065A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/593,155 US4616231A (en) 1984-03-26 1984-03-26 Narrow-band beam steering system

Publications (2)

Publication Number Publication Date
ES541537A0 true ES541537A0 (es) 1987-01-16
ES8703065A1 ES8703065A1 (es) 1987-01-16

Family

ID=24373608

Family Applications (1)

Application Number Title Priority Date Filing Date
ES541537A Expired ES8703065A1 (es) 1984-03-26 1985-03-25 Perfeccionamientos introducidos en instalaciones formadoras de haces, con desfase, prevista especialmente para transductores y disposicion de formador de haz correspondiente.

Country Status (7)

Country Link
US (1) US4616231A (es)
EP (1) EP0174948A1 (es)
CA (1) CA1227837A (es)
ES (1) ES8703065A1 (es)
GR (1) GR850479B (es)
IT (1) IT1209944B (es)
WO (1) WO1985004508A1 (es)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5014061A (en) * 1989-04-24 1991-05-07 Technology Research International Adaptive multifrequency signal combining system
US5019793A (en) * 1990-05-21 1991-05-28 Hughes Aircraft Company Digitally implemented variable phase shifter and amplitude weighting device
US6111816A (en) * 1997-02-03 2000-08-29 Teratech Corporation Multi-dimensional beamforming device
US6721235B2 (en) 1997-02-03 2004-04-13 Teratech Corporation Steerable beamforming system
US6292433B1 (en) 1997-02-03 2001-09-18 Teratech Corporation Multi-dimensional beamforming device
US6842401B2 (en) 2000-04-06 2005-01-11 Teratech Corporation Sonar beamforming system
US6506154B1 (en) * 2000-11-28 2003-01-14 Insightec-Txsonics, Ltd. Systems and methods for controlling a phased array focused ultrasound system
US9238150B2 (en) 2005-07-22 2016-01-19 The Board Of Trustees Of The Leland Stanford Junior University Optical tissue interface method and apparatus for stimulating cells
US8926959B2 (en) 2005-07-22 2015-01-06 The Board Of Trustees Of The Leland Stanford Junior University System for optical stimulation of target cells
US20070053996A1 (en) 2005-07-22 2007-03-08 Boyden Edward S Light-activated cation channel and uses thereof
US20090093403A1 (en) 2007-03-01 2009-04-09 Feng Zhang Systems, methods and compositions for optical stimulation of target cells
US9274099B2 (en) 2005-07-22 2016-03-01 The Board Of Trustees Of The Leland Stanford Junior University Screening test drugs to identify their effects on cell membrane voltage-gated ion channel
US10052497B2 (en) 2005-07-22 2018-08-21 The Board Of Trustees Of The Leland Stanford Junior University System for optical stimulation of target cells
WO2008086470A1 (en) 2007-01-10 2008-07-17 The Board Of Trustees Of The Leland Stanford Junior University System for optical stimulation of target cells
WO2008101128A1 (en) 2007-02-14 2008-08-21 The Board Of Trustees Of The Leland Stanford Junior University System, method and applications involving identification of biological circuits such as neurological characteristics
JP2009088246A (ja) * 2007-09-28 2009-04-23 Canon Inc 露光装置およびデバイス製造方法
US10035027B2 (en) 2007-10-31 2018-07-31 The Board Of Trustees Of The Leland Stanford Junior University Device and method for ultrasonic neuromodulation via stereotactic frame based technique
US10434327B2 (en) 2007-10-31 2019-10-08 The Board Of Trustees Of The Leland Stanford Junior University Implantable optical stimulators
EP3165534B1 (en) 2008-04-23 2018-09-26 The Board of Trustees of The Leland Stanford Junior University Systems, methods and compositions for optical stimulation of target cells
ES2606458T3 (es) 2008-05-29 2017-03-24 The Board Of Trustees Of The Leland Stanford Junior University Línea celular, sistema y procedimiento para el control óptico de mensajeros secundarios
SG191593A1 (en) 2008-06-17 2013-07-31 Univ Leland Stanford Junior Methods, systems and devices for optical stimulation of target cells using an optical transmission element
MX2010014101A (es) 2008-06-17 2011-03-04 Univ Leland Stanford Junior Aparato y metodos para controlar el desarrollo celular.
WO2010006049A1 (en) 2008-07-08 2010-01-14 The Board Of Trustees Of The Leland Stanford Junior University Materials and approaches for optical stimulation of the peripheral nervous system
NZ602416A (en) 2008-11-14 2014-08-29 Univ Leland Stanford Junior Optically-based stimulation of target cells and modifications thereto
WO2011024074A2 (en) 2009-08-26 2011-03-03 Insightec Ltd. Asymmetric phased-array ultrasound transducer
EP2489034B1 (en) 2009-10-14 2016-11-30 Insightec Ltd. Mapping ultrasound transducers
WO2011116238A2 (en) 2010-03-17 2011-09-22 The Board Of Trustees Of The Leland Stanford Junior University. Light-sensitive ion-passing molecules
US9852727B2 (en) 2010-04-28 2017-12-26 Insightec, Ltd. Multi-segment ultrasound transducers
EP2635111B1 (en) 2010-11-05 2018-05-23 The Board of Trustees of the Leland Stanford Junior University Stabilized step function opsin proteins and methods of using the same
CA2816968C (en) 2010-11-05 2019-11-26 The Board Of Trustees Of The Leland Stanford Junior University Optically-controlled cns dysfunction
CN103476456B (zh) 2010-11-05 2017-10-03 斯坦福大学托管董事会 奖赏相关行为的光遗传学控制
US10086012B2 (en) 2010-11-05 2018-10-02 The Board Of Trustees Of The Leland Stanford Junior University Control and characterization of memory function
CN106422081B (zh) 2010-11-05 2019-06-21 斯坦福大学托管董事会 用于光遗传学方法的光的上转换
ES2716819T3 (es) 2010-11-05 2019-06-17 Univ Leland Stanford Junior Opsinas quiméricas activadas por luz y métodos de uso de las mismas
US8696722B2 (en) 2010-11-22 2014-04-15 The Board Of Trustees Of The Leland Stanford Junior University Optogenetic magnetic resonance imaging
EP3524676A1 (en) 2011-12-16 2019-08-14 The Board of Trustees of The Leland Stanford Junior University Opsin polypeptides and methods of use thereof
AU2013222443B2 (en) 2012-02-21 2017-12-14 Circuit Therapeutics, Inc. Compositions and methods for treating neurogenic disorders of the pelvic floor
US9636380B2 (en) 2013-03-15 2017-05-02 The Board Of Trustees Of The Leland Stanford Junior University Optogenetic control of inputs to the ventral tegmental area
AU2014227600B2 (en) 2013-03-15 2018-10-04 The Board Of Trustees Of The Leland Stanford Junior University Optogenetic control of behavioral state
CN105431046B (zh) 2013-04-29 2020-04-17 小利兰·斯坦福大学托管委员会 用于靶细胞中的动作电位的光遗传学调节的装置、系统和方法
US10307609B2 (en) 2013-08-14 2019-06-04 The Board Of Trustees Of The Leland Stanford Junior University Compositions and methods for controlling pain
US10568516B2 (en) 2015-06-22 2020-02-25 The Board Of Trustees Of The Leland Stanford Junior University Methods and devices for imaging and/or optogenetic control of light-responsive neurons
US11294165B2 (en) 2017-03-30 2022-04-05 The Board Of Trustees Of The Leland Stanford Junior University Modular, electro-optical device for increasing the imaging field of view using time-sequential capture

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002188A (en) * 1959-04-14 1961-09-26 Frank R Abbott Harmonic wave beam-steering system
US3670355A (en) * 1970-03-23 1972-06-20 Kashira Sakamoto Wiper assembly for vehicles
US4228531A (en) * 1970-09-17 1980-10-14 The United States Of America As Represented By The Secretary Of The Navy Automatic underwater null steering
US3863258A (en) * 1971-09-14 1975-01-28 Litton Systems Inc Binary beam system
US3909751A (en) * 1973-12-28 1975-09-30 Hughes Aircraft Co Microwave switch and shifter including a bistate capacitor
US3905009A (en) * 1974-09-20 1975-09-09 Us Navy Transducer array scanning system
GB2022256B (en) * 1978-05-23 1983-05-18 Secr Defence Sonar beam-forming
US4468749A (en) * 1980-08-20 1984-08-28 Fujitsu Limited Adjustable attenuator circuit
DE3118198A1 (de) * 1981-05-08 1982-11-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schalter-kondensator-filter
DE3277105D1 (en) * 1981-05-08 1987-10-01 Hitachi Ltd Signal voltage dividing circuit
US4532515A (en) * 1982-02-10 1985-07-30 Cantrell Ben H Angle of arrival measurements for two unresolved sources
JPS58151724A (ja) * 1982-03-05 1983-09-09 Nec Corp 受信機

Also Published As

Publication number Publication date
WO1985004508A1 (en) 1985-10-10
US4616231A (en) 1986-10-07
GR850479B (es) 1985-07-17
IT1209944B (it) 1989-08-30
EP0174948A1 (en) 1986-03-26
CA1227837A (en) 1987-10-06
IT8547855A0 (it) 1985-03-22
ES8703065A1 (es) 1987-01-16

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