BE421257A - - Google Patents

Info

Publication number
BE421257A
BE421257A BE421257DA BE421257A BE 421257 A BE421257 A BE 421257A BE 421257D A BE421257D A BE 421257DA BE 421257 A BE421257 A BE 421257A
Authority
BE
Belgium
Application number
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.)
Publication of BE421257A publication Critical patent/BE421257A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/24Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/26Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/06Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/20Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • H01Q21/205Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
BE421257D 1936-04-28 BE421257A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76745A US2131108A (en) 1936-04-28 1936-04-28 Short wave communication system

Publications (1)

Publication Number Publication Date
BE421257A true BE421257A (sv)

Family

ID=22133916

Family Applications (1)

Application Number Title Priority Date Filing Date
BE421257D BE421257A (sv) 1936-04-28

Country Status (4)

Country Link
US (1) US2131108A (sv)
BE (1) BE421257A (sv)
FR (1) FR820782A (sv)
GB (1) GB487708A (sv)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE758471C (de) * 1939-05-23 1953-10-19 Telefunken Gmbh Antennenanordnung
US2419855A (en) * 1939-06-22 1947-04-29 Roosenstein Hans Otto Arrangement adapted to suppress radio frequency currents on conductors
US2249963A (en) * 1939-11-15 1941-07-22 Rca Corp Impedance transformation means
BE452813A (sv) * 1942-10-22
US2419552A (en) * 1943-06-12 1947-04-29 Standard Telephones Cables Ltd Radio antenna
US2583953A (en) * 1946-03-29 1952-01-29 John D Kraus Electrical apparatus
US2624000A (en) * 1946-05-03 1952-12-30 Rca Corp Antenna system
US2546322A (en) * 1948-04-14 1951-03-27 Bell Telephone Labor Inc Balanced to unbalanced coupling
US2637533A (en) * 1949-09-24 1953-05-05 Andrew Corp Multi-v fm antenna
USRE23960E (en) * 1950-05-12 1955-03-08 lorusso
US2566287A (en) * 1950-09-16 1951-08-28 Jr Lewis H Finneburgh Television antenna system
US2825061A (en) * 1951-11-21 1958-02-25 Gabriel Co Wave radiator
US2860341A (en) * 1953-10-07 1958-11-11 Itt Ultra high frequency television antenna
US3007164A (en) * 1955-04-22 1961-10-31 Ross A Davis Slot antenna which is fed at two points
US3268899A (en) * 1964-04-23 1966-08-23 James D Walden Cylindrical tube antenna with matching transmission line
US5204688A (en) * 1988-07-22 1993-04-20 Thomson-Lgt Laboratoire General Des Telecommunications Omnidirectional antenna notably for the emission of radio or television broadcasting signals in the decimetric waveband, and radiating system formed by a grouping of these antennas
FR2634598B1 (fr) * 1988-07-22 1990-10-05 Thomson Lgt Antenne omnidirectionnelle, notamment pour l'emission de signaux de radiodiffusion ou de television dans la bande des ondes decimetriques, et systeme rayonnant forme d'un groupement de ces antennes
GB8919283D0 (en) * 1989-08-24 1989-10-04 Phase Track Limited Active loop antenna
US20110001677A1 (en) * 2009-07-02 2011-01-06 Richard Strnad Stereo fed digital antenna
KR102640129B1 (ko) 2018-03-19 2024-02-22 피보탈 컴웨어 인코포레이티드 물리적 장벽들을 통한 무선 신호들의 통신
US10862545B2 (en) 2018-07-30 2020-12-08 Pivotal Commware, Inc. Distributed antenna networks for wireless communication by wireless devices
US10522897B1 (en) 2019-02-05 2019-12-31 Pivotal Commware, Inc. Thermal compensation for a holographic beam forming antenna
US10468767B1 (en) 2019-02-20 2019-11-05 Pivotal Commware, Inc. Switchable patch antenna
US10734736B1 (en) 2020-01-03 2020-08-04 Pivotal Commware, Inc. Dual polarization patch antenna system
US11069975B1 (en) 2020-04-13 2021-07-20 Pivotal Commware, Inc. Aimable beam antenna system
KR20230017280A (ko) 2020-05-27 2023-02-03 피보탈 컴웨어 인코포레이티드 5g 무선 네트워크들을 위한 rf 신호 중계기 디바이스 관리
US11026055B1 (en) 2020-08-03 2021-06-01 Pivotal Commware, Inc. Wireless communication network management for user devices based on real time mapping
WO2022056024A1 (en) 2020-09-08 2022-03-17 Pivotal Commware, Inc. Installation and activation of rf communication devices for wireless networks
JP2024504621A (ja) 2021-01-15 2024-02-01 ピヴォタル コムウェア インコーポレイテッド ミリ波通信ネットワークのためのリピータの設置
AU2022212950A1 (en) 2021-01-26 2023-09-07 Pivotal Commware, Inc. Smart repeater systems
US11451287B1 (en) 2021-03-16 2022-09-20 Pivotal Commware, Inc. Multipath filtering for wireless RF signals
CA3224854A1 (en) 2021-07-07 2023-01-12 Pivotal Commware, Inc. Multipath repeater systems
US11937199B2 (en) 2022-04-18 2024-03-19 Pivotal Commware, Inc. Time-division-duplex repeaters with global navigation satellite system timing recovery

Also Published As

Publication number Publication date
FR820782A (fr) 1937-11-18
GB487708A (en) 1938-06-24
US2131108A (en) 1938-09-27

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