FR1126260A - Perfectionnements aux antennes hélicoïdales - Google Patents

Perfectionnements aux antennes hélicoïdales

Info

Publication number
FR1126260A
FR1126260A FR1126260DA FR1126260A FR 1126260 A FR1126260 A FR 1126260A FR 1126260D A FR1126260D A FR 1126260DA FR 1126260 A FR1126260 A FR 1126260A
Authority
FR
France
Prior art keywords
helical antennas
antennas
helical
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
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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
Priority claimed from GB1776654A external-priority patent/GB762415A/en
Application filed by EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR1126260A publication Critical patent/FR1126260A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas
FR1126260D 1954-06-17 1955-06-17 Perfectionnements aux antennes hélicoïdales Expired FR1126260A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1776654A GB762415A (en) 1954-06-17 1954-06-17 Improvements in or relating to aerials
GB2863148X 1955-06-13

Publications (1)

Publication Number Publication Date
FR1126260A true FR1126260A (fr) 1956-11-19

Family

ID=32328104

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1126260D Expired FR1126260A (fr) 1954-06-17 1955-06-17 Perfectionnements aux antennes hélicoïdales

Country Status (3)

Country Link
US (1) US2863148A (fr)
DE (1) DE1015870B (fr)
FR (1) FR1126260A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002902A1 (fr) * 1979-06-11 1980-12-24 Microondes Int Soc Ind Dispositifs rayonnants produisant des ondes hyperfrequences polarisees circulairement et leur utilisation dans le domaine des applicateurs a micro-ondes

Families Citing this family (50)

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US2969542A (en) * 1959-03-30 1961-01-24 Coleman Henri Paris Spiral antenna system with trough reflector
US3262120A (en) * 1962-11-08 1966-07-19 Ikrath Kurt Variable beamwidth antenna
US3383695A (en) * 1965-12-22 1968-05-14 Navy Usa Helical antenna with end distortion to improve polarization purity
US3569979A (en) * 1968-12-05 1971-03-09 Univ Ohio State Res Found Helical launcher
US3568204A (en) * 1969-04-29 1971-03-02 Sylvania Electric Prod Multimode antenna feed system having a plurality of tracking elements mounted symmetrically about the inner walls and at the aperture end of a scalar horn
US3623118A (en) * 1969-07-01 1971-11-23 Raytheon Co Waveguide-fed helical antenna
GB1291530A (en) * 1970-11-24 1972-10-04 Marconi Co Ltd Improvements in or relating to microwave horn aerials
US3757345A (en) * 1971-04-08 1973-09-04 Univ Ohio State Shielded end-fire antenna
GB8317938D0 (en) * 1983-07-01 1983-08-03 Emi Ltd Antenna
US5025262A (en) * 1986-11-06 1991-06-18 E-Systems, Inc. Airborne antenna and a system for mechanically steering an airborne antenna
US5495258A (en) * 1994-09-01 1996-02-27 Nicholas L. Muhlhauser Multiple beam antenna system for simultaneously receiving multiple satellite signals
CA2157139A1 (fr) 1994-09-01 1996-03-02 Thomas C. Weakley Antenne multifaisceau permettant de capter simultanement plusieurs signaux emis par des satellites
DE4443055B4 (de) * 1994-12-05 2011-07-21 VEGA Grieshaber KG, 77709 Antenneneinrichtung für ein Füllstandmeß-Radargerät
US6181293B1 (en) * 1998-01-08 2001-01-30 E*Star, Inc. Reflector based dielectric lens antenna system including bifocal lens
US6160520A (en) * 1998-01-08 2000-12-12 E★Star, Inc. Distributed bifocal abbe-sine for wide-angle multi-beam and scanning antenna system
US6107897A (en) * 1998-01-08 2000-08-22 E*Star, Inc. Orthogonal mode junction (OMJ) for use in antenna system
US11502551B2 (en) 2012-07-06 2022-11-15 Energous Corporation Wirelessly charging multiple wireless-power receivers using different subsets of an antenna array to focus energy at different locations
US10992187B2 (en) 2012-07-06 2021-04-27 Energous Corporation System and methods of using electromagnetic waves to wirelessly deliver power to electronic devices
US9867062B1 (en) 2014-07-21 2018-01-09 Energous Corporation System and methods for using a remote server to authorize a receiving device that has requested wireless power and to determine whether another receiving device should request wireless power in a wireless power transmission system
US10992185B2 (en) 2012-07-06 2021-04-27 Energous Corporation Systems and methods of using electromagnetic waves to wirelessly deliver power to game controllers
US10312715B2 (en) 2015-09-16 2019-06-04 Energous Corporation Systems and methods for wireless power charging
US10256657B2 (en) 2015-12-24 2019-04-09 Energous Corporation Antenna having coaxial structure for near field wireless power charging
US10965164B2 (en) 2012-07-06 2021-03-30 Energous Corporation Systems and methods of wirelessly delivering power to a receiver device
US10523033B2 (en) 2015-09-15 2019-12-31 Energous Corporation Receiver devices configured to determine location within a transmission field
US10778041B2 (en) 2015-09-16 2020-09-15 Energous Corporation Systems and methods for generating power waves in a wireless power transmission system
US11710321B2 (en) 2015-09-16 2023-07-25 Energous Corporation Systems and methods of object detection in wireless power charging systems
US10734717B2 (en) * 2015-10-13 2020-08-04 Energous Corporation 3D ceramic mold antenna
US10063108B1 (en) 2015-11-02 2018-08-28 Energous Corporation Stamped three-dimensional antenna
WO2018111921A1 (fr) 2016-12-12 2018-06-21 Energous Corporation Procédés d'activation sélective de zones d'antenne d'un plot de charge en champ proche pour optimiser la puissance sans fil délivrée
US11863001B2 (en) 2015-12-24 2024-01-02 Energous Corporation Near-field antenna for wireless power transmission with antenna elements that follow meandering patterns
US10038332B1 (en) 2015-12-24 2018-07-31 Energous Corporation Systems and methods of wireless power charging through multiple receiving devices
US10079515B2 (en) 2016-12-12 2018-09-18 Energous Corporation Near-field RF charging pad with multi-band antenna element with adaptive loading to efficiently charge an electronic device at any position on the pad
US10923954B2 (en) 2016-11-03 2021-02-16 Energous Corporation Wireless power receiver with a synchronous rectifier
US10680319B2 (en) 2017-01-06 2020-06-09 Energous Corporation Devices and methods for reducing mutual coupling effects in wireless power transmission systems
US10439442B2 (en) 2017-01-24 2019-10-08 Energous Corporation Microstrip antennas for wireless power transmitters
WO2018183892A1 (fr) 2017-03-30 2018-10-04 Energous Corporation Antennes plates ayant deux fréquences de résonance ou plus destinées à être utilisées dans des systèmes de transmission de puissance sans fil
US11462949B2 (en) 2017-05-16 2022-10-04 Wireless electrical Grid LAN, WiGL Inc Wireless charging method and system
US10848853B2 (en) 2017-06-23 2020-11-24 Energous Corporation Systems, methods, and devices for utilizing a wire of a sound-producing device as an antenna for receipt of wirelessly delivered power
US11342798B2 (en) 2017-10-30 2022-05-24 Energous Corporation Systems and methods for managing coexistence of wireless-power signals and data signals operating in a same frequency band
US11437735B2 (en) 2018-11-14 2022-09-06 Energous Corporation Systems for receiving electromagnetic energy using antennas that are minimally affected by the presence of the human body
US11539243B2 (en) 2019-01-28 2022-12-27 Energous Corporation Systems and methods for miniaturized antenna for wireless power transmissions
CN113661660B (zh) 2019-02-06 2023-01-24 艾诺格思公司 估计最佳相位的方法、无线电力发射设备及存储介质
CN114731061A (zh) 2019-09-20 2022-07-08 艾诺格思公司 使用无线功率发射系统中的功率放大器控制器集成电路来分类和检测异物
EP4032166A4 (fr) 2019-09-20 2023-10-18 Energous Corporation Systèmes et procédés de protection de récepteurs de puissance sans fil à l'aide de multiples redresseurs et établissement de communications en bande à l'aide de multiples redresseurs
US11381118B2 (en) 2019-09-20 2022-07-05 Energous Corporation Systems and methods for machine learning based foreign object detection for wireless power transmission
WO2021055898A1 (fr) 2019-09-20 2021-03-25 Energous Corporation Systèmes et procédés de détection d'objet étranger basée sur l'apprentissage automatique pour transmission de puissance sans fil
US11355966B2 (en) 2019-12-13 2022-06-07 Energous Corporation Charging pad with guiding contours to align an electronic device on the charging pad and efficiently transfer near-field radio-frequency energy to the electronic device
US10985617B1 (en) 2019-12-31 2021-04-20 Energous Corporation System for wirelessly transmitting energy at a near-field distance without using beam-forming control
US11799324B2 (en) 2020-04-13 2023-10-24 Energous Corporation Wireless-power transmitting device for creating a uniform near-field charging area
US11916398B2 (en) 2021-12-29 2024-02-27 Energous Corporation Small form-factor devices with integrated and modular harvesting receivers, and shelving-mounted wireless-power transmitters for use therewith

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2202380A (en) * 1936-08-27 1940-05-28 Telefunken Gmbh Confined or space resonance antenna
US2440597A (en) * 1945-02-10 1948-04-27 Du Mont Allen B Lab Inc Television receiver antenna
US2567260A (en) * 1947-09-12 1951-09-11 Carl A Wiley Antenna with dielectric casing
US2630530A (en) * 1949-11-15 1953-03-03 Adcock Mack Donald Helical antenna array

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980002902A1 (fr) * 1979-06-11 1980-12-24 Microondes Int Soc Ind Dispositifs rayonnants produisant des ondes hyperfrequences polarisees circulairement et leur utilisation dans le domaine des applicateurs a micro-ondes
EP0022282A1 (fr) * 1979-06-11 1981-01-14 I.M.I. Industries Micro-Ondes Internationales S.A. Dispositifs rayonnants produisant des ondes hyperfréquences polarisées circulairement et leur utilisation dans le domaine des applicateurs à micro-ondes

Also Published As

Publication number Publication date
US2863148A (en) 1958-12-02
DE1015870B (de) 1957-09-19

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