IT1209944B - Apparecchiatura di comando di direzione di fascio a banda stretta - Google Patents

Apparecchiatura di comando di direzione di fascio a banda stretta

Info

Publication number
IT1209944B
IT1209944B IT8547855A IT4785585A IT1209944B IT 1209944 B IT1209944 B IT 1209944B IT 8547855 A IT8547855 A IT 8547855A IT 4785585 A IT4785585 A IT 4785585A IT 1209944 B IT1209944 B IT 1209944B
Authority
IT
Italy
Prior art keywords
narrow band
beam direction
direction command
band beam
command equipment
Prior art date
Application number
IT8547855A
Other languages
English (en)
Italian (it)
Other versions
IT8547855A0 (it
Inventor
Samuel W Autrey
Harold G Drab
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 IT8547855A0 publication Critical patent/IT8547855A0/it
Application granted granted Critical
Publication of IT1209944B publication Critical patent/IT1209944B/it

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26Arrangements 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
    • H01Q3/30Arrangements 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
    • H01Q3/34Arrangements 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
    • H01Q3/36Arrangements 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
    • H01Q3/38Arrangements 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods 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
    • G10K11/18Methods or devices for transmitting, conducting or directing sound
    • G10K11/26Sound-focusing or directing, e.g. scanning
    • G10K11/34Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341Circuits therefor
    • G10K11/346Circuits therefor using phase variation
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00Networks using time-varying elements, e.g. N-path filters
    • H03H19/004Switched 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)
IT8547855A 1984-03-26 1985-03-22 Apparecchiatura di comando di direzione di fascio a banda stretta IT1209944B (it)

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
IT8547855A0 IT8547855A0 (it) 1985-03-22
IT1209944B true IT1209944B (it) 1989-08-30

Family

ID=24373608

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8547855A IT1209944B (it) 1984-03-26 1985-03-22 Apparecchiatura di comando di direzione di fascio a banda stretta

Country Status (7)

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

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
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
WO2007024391A2 (en) 2005-07-22 2007-03-01 The Board Of Trustees Of The Leland Stanford Junior University Light-activated cation channel and uses thereof
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
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
MX2010011657A (es) 2008-04-23 2011-01-21 Univ Leland Stanford Junior Sistemas, metodos y composiciones para la estimulacion optica de celulas objetivo.
KR20110018924A (ko) 2008-05-29 2011-02-24 더 보드 어브 트러스티스 어브 더 리랜드 스탠포드 주니어 유니버시티 세포주, 2차 전달물질의 광학적 조절을 위한 시스템 및 방법
BRPI0915583A2 (pt) 2008-06-17 2016-01-26 Univ Leland Stanford Junior aparelho e métodos para controle do desenvolvimento celular
AU2009260029B2 (en) 2008-06-17 2016-03-17 The Board Of Trustees Of The Leland Stanford Junior University Methods, systems and devices for optical stimulation of target cells using an optical transmission element
US9101759B2 (en) 2008-07-08 2015-08-11 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
CN102844427B (zh) 2010-03-17 2016-07-06 小利兰·斯坦福大学托管委员会 光敏离子透过性分子
US9852727B2 (en) 2010-04-28 2017-12-26 Insightec, Ltd. Multi-segment ultrasound transducers
CN106106368A (zh) 2010-11-05 2016-11-16 斯坦福大学托管董事会 光控cns功能障碍
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
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
AU2011323226B2 (en) 2010-11-05 2015-03-12 The Board Of Trustees Of The Leland Stanford Junior University Light-activated chimeric opsins and methods of using the same
ES2690172T3 (es) 2010-11-05 2018-11-19 The Board Of Trustees Of The Leland Stanford Junior University Conversión ascendente de la luz para su uso en métodos optogenéticos
JP6328424B6 (ja) 2010-11-05 2018-07-11 ザ ボード オブ トラスティーズ オブ ザ レランド スタンフォード ジュニア ユニバーシティー 記憶機能の制御および特性化
US8696722B2 (en) 2010-11-22 2014-04-15 The Board Of Trustees Of The Leland Stanford Junior University Optogenetic magnetic resonance imaging
ES2724803T3 (es) 2011-12-16 2019-09-16 Univ Leland Stanford Junior Polipéptidos opsinas y métodos de utilización de los mismos
EP2817068B1 (en) 2012-02-21 2017-04-12 The Board of Trustees of the Leland Stanford Junior University Compositions for treating neurogenic disorders of the pelvic floor
EP2968997B1 (en) 2013-03-15 2019-06-26 The Board of Trustees of the Leland Stanford Junior University Optogenetic control of behavioral state
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
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
JP6621747B2 (ja) 2013-08-14 2019-12-18 ザ ボード オブ トラスティーズ オブ ザ レランド スタンフォード ジュニア ユニバーシティー 疼痛を制御するための組成物及び方法
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
EP0065219B1 (en) * 1981-05-08 1987-08-26 Hitachi, Ltd. Signal voltage dividing circuit
DE3118198A1 (de) * 1981-05-08 1982-11-25 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schalter-kondensator-filter
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
CA1227837A (en) 1987-10-06
EP0174948A1 (en) 1986-03-26
GR850479B (enEXAMPLES) 1985-07-17
IT8547855A0 (it) 1985-03-22
ES541537A0 (es) 1987-01-16
US4616231A (en) 1986-10-07
ES8703065A1 (es) 1987-01-16

Similar Documents

Publication Publication Date Title
IT1209944B (it) Apparecchiatura di comando di direzione di fascio a banda stretta
IT8348955A0 (it) Apparecchio di incisione a lasersenza contatto
FR2522206B1 (fr) Laser a semi-conducteur
KR850008750A (ko) 테이프 카아트리지
DK148075C (da) Sprinklerenhed
PT82701A (pt) Material resistente a raios laser
GB8320073D0 (en) Beam splice
GB8415171D0 (en) Beam & structures
FR2561132B1 (fr) Reacteur a faisceau de tuyaux
ES296344Y (es) Un carrete
DK437485D0 (da) Hydroxyvitamin d2isomere
DK152998C (da) Bjaelke
GB2117533B (en) Modulating a laser beam
BR8506438A (pt) Aperfeicoamentos relacionados a pesticidas
ATA159282A (de) Schalungstraeger
FR2564259B1 (fr) Amplificateur a decoupage
IT1183380B (it) Apparecchiatura di comando
IT8421782U1 (it) Cavo a posizionamento rapido
KR870000456U (ko) 용접 h비임 제작용 장치구
AU88520S (en) A construction beam
KR860004559U (ko) 운 동 용 구
AU81033S (en) a beam
AU81034S (en) a beam
AU82527S (en) a beam
AU83893S (en) A beam