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 (en)

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 (en)

Family

ID=22133916

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE758471C (en) * 1939-05-23 1953-10-19 Telefunken Gmbh Antenna arrangement
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 (en) * 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
FR2634598B1 (en) * 1988-07-22 1990-10-05 Thomson Lgt AN OMNIDIRECTIONAL ANTENNA, IN PARTICULAR FOR THE TRANSMISSION OF BROADCASTING OR TELEVISION SIGNALS IN THE UHF BAND, AND RADIATION SYSTEM IN THE FORM OF A GROUPING OF THESE ANTENNAS
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
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
JP7378414B2 (en) 2018-03-19 2023-11-13 ピヴォタル コムウェア インコーポレイテッド Communication of wireless signals through physical barriers
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
US11190266B1 (en) 2020-05-27 2021-11-30 Pivotal Commware, Inc. RF signal repeater device management for 5G wireless networks
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
EP4278645A1 (en) 2021-01-15 2023-11-22 Pivotal Commware, Inc. Installation of repeaters for a millimeter wave communications network
US11497050B2 (en) 2021-01-26 2022-11-08 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
WO2023205182A1 (en) 2022-04-18 2023-10-26 Pivotal Commware, Inc. Time-division-duplex repeaters with global navigation satellite system timing recovery

Also Published As

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

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