KR890004467A - Slot antenna - Google Patents

Slot antenna Download PDF

Info

Publication number
KR890004467A
KR890004467A KR1019880010514A KR880010514A KR890004467A KR 890004467 A KR890004467 A KR 890004467A KR 1019880010514 A KR1019880010514 A KR 1019880010514A KR 880010514 A KR880010514 A KR 880010514A KR 890004467 A KR890004467 A KR 890004467A
Authority
KR
South Korea
Prior art keywords
waveguide
slot antenna
square
rectangular waveguide
slots
Prior art date
Application number
KR1019880010514A
Other languages
Korean (ko)
Other versions
KR910008948B1 (en
Inventor
구니따까 아리무라
아끼라 쓰까다
히로시 가수가
후미오 다께나가
Original Assignee
구니따까 아리무라
아리무라기껭가부시끼가이샤
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 JP62204878A external-priority patent/JPS6448503A/en
Priority claimed from JP62218676A external-priority patent/JP2595260B2/en
Application filed by 구니따까 아리무라, 아리무라기껭가부시끼가이샤 filed Critical 구니따까 아리무라
Publication of KR890004467A publication Critical patent/KR890004467A/en
Application granted granted Critical
Publication of KR910008948B1 publication Critical patent/KR910008948B1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0037—Particular feeding systems linear waveguide fed arrays
    • H01Q21/0043—Slotted waveguides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0012—Radial guide fed arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061—Two dimensional planar arrays
    • H01Q21/064—Two dimensional planar arrays using horn or slot aerials

Abstract

내용 없음.No content.

Description

슬롯 안테나Slot antenna

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 제1실시예로서 슬롯 안테나를 도시하는 투시도.1 is a perspective view showing a slot antenna as a first embodiment of the present invention.

제3도는 직교 좌표계에 도시된 슬롯앙테나에서 파동 진행 모우드(wave ProPagation Modes)를 설명하는 설명도.3 is an explanatory diagram for explaining wave ProPagation Modes in a slot antenna shown in a Cartesian coordinate system.

제4도는 슬롯 안테나의 호른(horn) 도파관(waveguide)내의 전파 위상을 설명하는 설명도.4 is an explanatory diagram illustrating a propagation phase in a horn waveguide of a slot antenna.

Claims (12)

사각 도파관 공간을 형성하는 금속판들을 갖는 사각 도파관과 ; 호른 도파관 공간과 사각 도파관 공간이 서로 통할 수 있도록 사각 도파관에 접속되고, 그 한단부에 파우워 피이드 인릿을 가진 호른 도파관으로 구성되며, 상기 사각 도파관은 금속판들 중 하나에 복수개의 파동 복사 슬롯을 가지는 슬롯 안테나.A rectangular waveguide having metal plates forming a rectangular waveguide space; The horn waveguide space and the square waveguide space are connected to the square waveguide so as to communicate with each other, and constitute a horn waveguide having a power feed inlet at one end thereof, the square waveguide having a plurality of wave radiation slots in one of the metal plates. Slot antenna. 제1항에 있어서, 사각 도파관이 그의 한 경판에 단자 저항을 갖는 슬롯 안테나.The slot antenna of claim 1, wherein the rectangular waveguide has terminal resistance on one of its hard plates. 제1항에 있어서, 사각 도파관이 경판에 인접한 슬롯들로부터 복사된 파동의 파우워를 증가시키기 위해, 그의 한경판에 정합 수단을 갖는 슬롯 안테나.The slot antenna according to claim 1, wherein the rectangular waveguide has a matching means in its hard plate to increase the power of the wave radiated from the slots adjacent to the hard plate. 제1항에 있어서, 슬록들을 갖는 금속판에 대향하는 금속판이 진행파를 지연시키기 위한 완판 수단을 갖는 슬롯 안테나.2. The slot antenna according to claim 1, wherein the metal plate opposite to the metal plate with slots has armature means for delaying traveling waves. 제1항에 있어서, 사각 도파관 공간이 슬롯을 가진 금속판과 대향 금속판 사이의 폭이 경판 쪽으로 갈수록 감소하는 슬롯 안테나.The slot antenna according to claim 1, wherein the rectangular waveguide space decreases as the width between the metal plate having the slot and the opposite metal plate toward the hard plate. 제1항에 있어서, 사각 도파관이 측판들이 인접한 한쌍의 금속판들을 가지며, 그들 각각은 적당한 임피이던스를 제공하도록 사각 도파관을 막는 효과를 내도록 슬롯들을 가진 판에 대향하는 판에 고정되며, 이에 따라 전기장을 균일하게 분포시키는 슬롯 안테나.2. A rectangular waveguide according to claim 1, wherein the rectangular waveguide has a pair of metal plates adjacent to the side plates, each of which is fixed to a plate opposite to the plate with slots to effect blocking the square waveguide to provide adequate impedance, thereby uniformizing the electric field. Slot antenna. 제1항에 있어서, 슬롯들이 각각 도파관의 축에 수직으로 배치되는 슬롯 안테나.The slot antenna of claim 1, wherein the slots are each disposed perpendicular to the axis of the waveguide. 제1항에 있어서, 사각 도파관과 호른 도파관이 그 두 도파관들이 축들이 한 축선에 오게끔 배치되는 슬롯 안테나.2. The slot antenna of claim 1, wherein the rectangular waveguide and the horn waveguide are arranged such that the two waveguides are on one axis. 제1항에 있어서, 사각 도파관과 호른 도파관이 서로 중첩되는 슬롯 안테나.The slot antenna of claim 1, wherein the rectangular waveguide and the horn waveguide overlap each other. 사각 도파관 공간을 형성하도록 금속판들로 둘러싸인 사각 도파관과 ; 호른 도파관과 사각 도파관공간이 서로 통하게끔 사각 도파관에 접속되며, 그의 한 단부에 파우워 피이드 인릿 개구부를 갖는 호른 도파관과 ; 파동을 사각 도파관에 반사시켜 파동의 등위상평면을 평평하게 하기 위해, 호른 도파관 공간과사각 도파관공간 사이에 착설된 포물면 반사기로 구성되며, 상기 사각 도파관은 금속판들 중 하나에 복수개의 파동 복사 슬롯을 가지는 슬롯 안테나.A rectangular waveguide surrounded by metal plates to form a rectangular waveguide space; A horn waveguide connected to the square waveguide so that the horn waveguide and the square waveguide space communicate with each other, and having a power feed inlet opening at one end thereof; In order to reflect the wave to the square waveguide to flatten the isophase plane of the wave, it consists of a parabolic reflector mounted between the horn waveguide space and the square waveguide space, the square waveguide having a plurality of wave radiation slots in one of the metal plates. Has a slot antenna. 제10항에 있어서, 사각 도파관이 그의 한 경판에 단자 저항을 갖는 슬롯 안테나.The slot antenna of claim 10, wherein the rectangular waveguide has terminal resistance in one of its hard plates. 제10항에 있어서, 슬롯들이 가진 금속판에 대향하는 금속판이 진행파를 지연시키기 위해 완파 수단(slow-wave means)을 갖는 슬롯 안테나.11. The slot antenna of claim 10, wherein the metal plate opposite the metal plate with slots has slow-wave means for delaying the traveling wave. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880010514A 1978-09-01 1988-08-18 Slot antenna KR910008948B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP?62-218676 1978-09-01
JP62204878A JPS6448503A (en) 1987-08-18 1987-08-18 Square waveguide line
JP?62-204878 1987-08-18
JP62-204878 1987-08-18
JP62-218676 1987-09-01
JP62218676A JP2595260B2 (en) 1987-09-01 1987-09-01 Rectangular waveguide line using parabolic mirror

Publications (2)

Publication Number Publication Date
KR890004467A true KR890004467A (en) 1989-04-22
KR910008948B1 KR910008948B1 (en) 1991-10-26

Family

ID=26514712

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880010514A KR910008948B1 (en) 1978-09-01 1988-08-18 Slot antenna

Country Status (5)

Country Link
KR (1) KR910008948B1 (en)
CN (1) CN1014572B (en)
DE (1) DE3827956A1 (en)
FR (1) FR2619658A1 (en)
GB (1) GB2208969B (en)

Families Citing this family (175)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0246004A (en) * 1988-08-08 1990-02-15 Arimura Giken Kk Square waveguide slot array antenna
JPH0246006A (en) * 1988-08-08 1990-02-15 Arimura Giken Kk Divided power supply type square waveguide line
GB2232302A (en) * 1989-04-28 1990-12-05 Arimura Inst Technology Flat slot array antenna
JPH02288707A (en) * 1989-04-28 1990-11-28 Arimura Giken Kk Flat plate guide antenna
JPH02302104A (en) * 1989-05-16 1990-12-14 Arimura Giken Kk Square waveguide slot array antenna
JPH05506759A (en) * 1990-04-30 1993-09-30 コモンウェルス・サイエンティフィック・アンド・インダストリアル・リサーチ・オーガナイゼイション flat antenna
FR2664747B1 (en) * 1990-07-10 1992-11-20 Europ Agence Spatiale FREQUENCY VARIATION SCANNING ANTENNA.
JP3364295B2 (en) * 1993-10-08 2003-01-08 株式会社日立国際電気 Planar array antenna for satellite broadcasting reception
WO1996010277A1 (en) * 1994-09-28 1996-04-04 The Whitaker Corporation Planar high gain microwave antenna
GB0211161D0 (en) * 2002-05-16 2002-06-26 Qinetiq Ltd Millimetre-wave illumination source
WO2004019443A1 (en) 2002-08-20 2004-03-04 Aerosat Corporation Communication system with broadband antenna
EP2188870A1 (en) * 2007-09-13 2010-05-26 Aerosat Corporation Communication system with broadband antenna
US8427384B2 (en) 2007-09-13 2013-04-23 Aerosat Corporation Communication system with broadband antenna
EP2245704B1 (en) * 2007-12-28 2015-02-18 SELEX ES S.p.A. Slot antenna and method for operating the same
US9113347B2 (en) 2012-12-05 2015-08-18 At&T Intellectual Property I, Lp Backhaul link for distributed antenna system
US10009065B2 (en) 2012-12-05 2018-06-26 At&T Intellectual Property I, L.P. Backhaul link for distributed antenna system
CN103022714B (en) * 2012-12-21 2015-02-18 东南大学 Amplitude impedance calibrated planar horn antenna
CN103022716B (en) * 2012-12-21 2015-01-28 东南大学 Planar horn antenna for phase amplitude calibration
CN103022718B (en) * 2012-12-21 2015-01-28 东南大学 Three-dimensional package surface antenna for phase amplitude calibration
CN103022710B (en) * 2012-12-21 2015-01-28 东南大学 Amplitude-calibrated packaged sandwich antenna with embedded plated though holes
US9999038B2 (en) 2013-05-31 2018-06-12 At&T Intellectual Property I, L.P. Remote distributed antenna system
US9525524B2 (en) 2013-05-31 2016-12-20 At&T Intellectual Property I, L.P. Remote distributed antenna system
US9413051B2 (en) 2013-08-29 2016-08-09 ThinKom Soultions, Inc. Radio frequency device with feed structure
US8897697B1 (en) 2013-11-06 2014-11-25 At&T Intellectual Property I, Lp Millimeter-wave surface-wave communications
US9209902B2 (en) 2013-12-10 2015-12-08 At&T Intellectual Property I, L.P. Quasi-optical coupler
US9692101B2 (en) 2014-08-26 2017-06-27 At&T Intellectual Property I, L.P. Guided wave couplers for coupling electromagnetic waves between a waveguide surface and a surface of a wire
US9768833B2 (en) 2014-09-15 2017-09-19 At&T Intellectual Property I, L.P. Method and apparatus for sensing a condition in a transmission medium of electromagnetic waves
US10063280B2 (en) 2014-09-17 2018-08-28 At&T Intellectual Property I, L.P. Monitoring and mitigating conditions in a communication network
US9615269B2 (en) 2014-10-02 2017-04-04 At&T Intellectual Property I, L.P. Method and apparatus that provides fault tolerance in a communication network
US9685992B2 (en) 2014-10-03 2017-06-20 At&T Intellectual Property I, L.P. Circuit panel network and methods thereof
US9503189B2 (en) 2014-10-10 2016-11-22 At&T Intellectual Property I, L.P. Method and apparatus for arranging communication sessions in a communication system
US9762289B2 (en) 2014-10-14 2017-09-12 At&T Intellectual Property I, L.P. Method and apparatus for transmitting or receiving signals in a transportation system
US9973299B2 (en) 2014-10-14 2018-05-15 At&T Intellectual Property I, L.P. Method and apparatus for adjusting a mode of communication in a communication network
US9520945B2 (en) 2014-10-21 2016-12-13 At&T Intellectual Property I, L.P. Apparatus for providing communication services and methods thereof
US9577306B2 (en) 2014-10-21 2017-02-21 At&T Intellectual Property I, L.P. Guided-wave transmission device and methods for use therewith
US9312919B1 (en) 2014-10-21 2016-04-12 At&T Intellectual Property I, Lp Transmission device with impairment compensation and methods for use therewith
US9627768B2 (en) 2014-10-21 2017-04-18 At&T Intellectual Property I, L.P. Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith
US9769020B2 (en) 2014-10-21 2017-09-19 At&T Intellectual Property I, L.P. Method and apparatus for responding to events affecting communications in a communication network
US9780834B2 (en) 2014-10-21 2017-10-03 At&T Intellectual Property I, L.P. Method and apparatus for transmitting electromagnetic waves
US9653770B2 (en) 2014-10-21 2017-05-16 At&T Intellectual Property I, L.P. Guided wave coupler, coupling module and methods for use therewith
US9544006B2 (en) 2014-11-20 2017-01-10 At&T Intellectual Property I, L.P. Transmission device with mode division multiplexing and methods for use therewith
US9742462B2 (en) 2014-12-04 2017-08-22 At&T Intellectual Property I, L.P. Transmission medium and communication interfaces and methods for use therewith
US9680670B2 (en) 2014-11-20 2017-06-13 At&T Intellectual Property I, L.P. Transmission device with channel equalization and control and methods for use therewith
US9654173B2 (en) 2014-11-20 2017-05-16 At&T Intellectual Property I, L.P. Apparatus for powering a communication device and methods thereof
US9954287B2 (en) 2014-11-20 2018-04-24 At&T Intellectual Property I, L.P. Apparatus for converting wireless signals and electromagnetic waves and methods thereof
US10009067B2 (en) 2014-12-04 2018-06-26 At&T Intellectual Property I, L.P. Method and apparatus for configuring a communication interface
US9800327B2 (en) 2014-11-20 2017-10-24 At&T Intellectual Property I, L.P. Apparatus for controlling operations of a communication device and methods thereof
US9461706B1 (en) 2015-07-31 2016-10-04 At&T Intellectual Property I, Lp Method and apparatus for exchanging communication signals
US9997819B2 (en) 2015-06-09 2018-06-12 At&T Intellectual Property I, L.P. Transmission medium and method for facilitating propagation of electromagnetic waves via a core
US10340573B2 (en) 2016-10-26 2019-07-02 At&T Intellectual Property I, L.P. Launcher with cylindrical coupling device and methods for use therewith
US10243784B2 (en) 2014-11-20 2019-03-26 At&T Intellectual Property I, L.P. System for generating topology information and methods thereof
US10144036B2 (en) 2015-01-30 2018-12-04 At&T Intellectual Property I, L.P. Method and apparatus for mitigating interference affecting a propagation of electromagnetic waves guided by a transmission medium
US9876570B2 (en) 2015-02-20 2018-01-23 At&T Intellectual Property I, Lp Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith
US9749013B2 (en) 2015-03-17 2017-08-29 At&T Intellectual Property I, L.P. Method and apparatus for reducing attenuation of electromagnetic waves guided by a transmission medium
CN104733864B (en) * 2015-03-30 2018-04-24 东南大学 Gap embeds the planar horn antenna of phase amplitude calibration
CN104733867A (en) * 2015-03-30 2015-06-24 东南大学 Three-dimensional package surface antenna with calibrated gap phase amplitude
US9705561B2 (en) 2015-04-24 2017-07-11 At&T Intellectual Property I, L.P. Directional coupling device and methods for use therewith
US10224981B2 (en) 2015-04-24 2019-03-05 At&T Intellectual Property I, Lp Passive electrical coupling device and methods for use therewith
US9948354B2 (en) 2015-04-28 2018-04-17 At&T Intellectual Property I, L.P. Magnetic coupling device with reflective plate and methods for use therewith
US9793954B2 (en) 2015-04-28 2017-10-17 At&T Intellectual Property I, L.P. Magnetic coupling device and methods for use therewith
US9871282B2 (en) 2015-05-14 2018-01-16 At&T Intellectual Property I, L.P. At least one transmission medium having a dielectric surface that is covered at least in part by a second dielectric
US9490869B1 (en) 2015-05-14 2016-11-08 At&T Intellectual Property I, L.P. Transmission medium having multiple cores and methods for use therewith
US9748626B2 (en) 2015-05-14 2017-08-29 At&T Intellectual Property I, L.P. Plurality of cables having different cross-sectional shapes which are bundled together to form a transmission medium
US10650940B2 (en) 2015-05-15 2020-05-12 At&T Intellectual Property I, L.P. Transmission medium having a conductive material and methods for use therewith
US9917341B2 (en) 2015-05-27 2018-03-13 At&T Intellectual Property I, L.P. Apparatus and method for launching electromagnetic waves and for modifying radial dimensions of the propagating electromagnetic waves
US9866309B2 (en) 2015-06-03 2018-01-09 At&T Intellectual Property I, Lp Host node device and methods for use therewith
US10103801B2 (en) 2015-06-03 2018-10-16 At&T Intellectual Property I, L.P. Host node device and methods for use therewith
US10812174B2 (en) 2015-06-03 2020-10-20 At&T Intellectual Property I, L.P. Client node device and methods for use therewith
US9912381B2 (en) 2015-06-03 2018-03-06 At&T Intellectual Property I, Lp Network termination and methods for use therewith
US9913139B2 (en) 2015-06-09 2018-03-06 At&T Intellectual Property I, L.P. Signal fingerprinting for authentication of communicating devices
US10142086B2 (en) 2015-06-11 2018-11-27 At&T Intellectual Property I, L.P. Repeater and methods for use therewith
US9608692B2 (en) 2015-06-11 2017-03-28 At&T Intellectual Property I, L.P. Repeater and methods for use therewith
US9820146B2 (en) 2015-06-12 2017-11-14 At&T Intellectual Property I, L.P. Method and apparatus for authentication and identity management of communicating devices
US9667317B2 (en) 2015-06-15 2017-05-30 At&T Intellectual Property I, L.P. Method and apparatus for providing security using network traffic adjustments
US9865911B2 (en) 2015-06-25 2018-01-09 At&T Intellectual Property I, L.P. Waveguide system for slot radiating first electromagnetic waves that are combined into a non-fundamental wave mode second electromagnetic wave on a transmission medium
US9640850B2 (en) 2015-06-25 2017-05-02 At&T Intellectual Property I, L.P. Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium
US9509415B1 (en) 2015-06-25 2016-11-29 At&T Intellectual Property I, L.P. Methods and apparatus for inducing a fundamental wave mode on a transmission medium
US10033107B2 (en) 2015-07-14 2018-07-24 At&T Intellectual Property I, L.P. Method and apparatus for coupling an antenna to a device
US9882257B2 (en) 2015-07-14 2018-01-30 At&T Intellectual Property I, L.P. Method and apparatus for launching a wave mode that mitigates interference
US9836957B2 (en) 2015-07-14 2017-12-05 At&T Intellectual Property I, L.P. Method and apparatus for communicating with premises equipment
US10033108B2 (en) 2015-07-14 2018-07-24 At&T Intellectual Property I, L.P. Apparatus and methods for generating an electromagnetic wave having a wave mode that mitigates interference
US10341142B2 (en) 2015-07-14 2019-07-02 At&T Intellectual Property I, L.P. Apparatus and methods for generating non-interfering electromagnetic waves on an uninsulated conductor
US10148016B2 (en) 2015-07-14 2018-12-04 At&T Intellectual Property I, L.P. Apparatus and methods for communicating utilizing an antenna array
US10170840B2 (en) 2015-07-14 2019-01-01 At&T Intellectual Property I, L.P. Apparatus and methods for sending or receiving electromagnetic signals
US9853342B2 (en) 2015-07-14 2017-12-26 At&T Intellectual Property I, L.P. Dielectric transmission medium connector and methods for use therewith
US9847566B2 (en) 2015-07-14 2017-12-19 At&T Intellectual Property I, L.P. Method and apparatus for adjusting a field of a signal to mitigate interference
US9722318B2 (en) 2015-07-14 2017-08-01 At&T Intellectual Property I, L.P. Method and apparatus for coupling an antenna to a device
US10320586B2 (en) 2015-07-14 2019-06-11 At&T Intellectual Property I, L.P. Apparatus and methods for generating non-interfering electromagnetic waves on an insulated transmission medium
US10205655B2 (en) 2015-07-14 2019-02-12 At&T Intellectual Property I, L.P. Apparatus and methods for communicating utilizing an antenna array and multiple communication paths
US9628116B2 (en) 2015-07-14 2017-04-18 At&T Intellectual Property I, L.P. Apparatus and methods for transmitting wireless signals
US10044409B2 (en) 2015-07-14 2018-08-07 At&T Intellectual Property I, L.P. Transmission medium and methods for use therewith
US9793951B2 (en) 2015-07-15 2017-10-17 At&T Intellectual Property I, L.P. Method and apparatus for launching a wave mode that mitigates interference
US10090606B2 (en) 2015-07-15 2018-10-02 At&T Intellectual Property I, L.P. Antenna system with dielectric array and methods for use therewith
US9608740B2 (en) 2015-07-15 2017-03-28 At&T Intellectual Property I, L.P. Method and apparatus for launching a wave mode that mitigates interference
US9912027B2 (en) 2015-07-23 2018-03-06 At&T Intellectual Property I, L.P. Method and apparatus for exchanging communication signals
US10784670B2 (en) 2015-07-23 2020-09-22 At&T Intellectual Property I, L.P. Antenna support for aligning an antenna
US9948333B2 (en) 2015-07-23 2018-04-17 At&T Intellectual Property I, L.P. Method and apparatus for wireless communications to mitigate interference
US9871283B2 (en) 2015-07-23 2018-01-16 At&T Intellectual Property I, Lp Transmission medium having a dielectric core comprised of plural members connected by a ball and socket configuration
US9749053B2 (en) 2015-07-23 2017-08-29 At&T Intellectual Property I, L.P. Node device, repeater and methods for use therewith
US9967173B2 (en) 2015-07-31 2018-05-08 At&T Intellectual Property I, L.P. Method and apparatus for authentication and identity management of communicating devices
US10020587B2 (en) 2015-07-31 2018-07-10 At&T Intellectual Property I, L.P. Radial antenna and methods for use therewith
US9735833B2 (en) 2015-07-31 2017-08-15 At&T Intellectual Property I, L.P. Method and apparatus for communications management in a neighborhood network
US9904535B2 (en) 2015-09-14 2018-02-27 At&T Intellectual Property I, L.P. Method and apparatus for distributing software
US10009901B2 (en) 2015-09-16 2018-06-26 At&T Intellectual Property I, L.P. Method, apparatus, and computer-readable storage medium for managing utilization of wireless resources between base stations
US10079661B2 (en) 2015-09-16 2018-09-18 At&T Intellectual Property I, L.P. Method and apparatus for use with a radio distributed antenna system having a clock reference
US10136434B2 (en) 2015-09-16 2018-11-20 At&T Intellectual Property I, L.P. Method and apparatus for use with a radio distributed antenna system having an ultra-wideband control channel
US10009063B2 (en) 2015-09-16 2018-06-26 At&T Intellectual Property I, L.P. Method and apparatus for use with a radio distributed antenna system having an out-of-band reference signal
US9769128B2 (en) 2015-09-28 2017-09-19 At&T Intellectual Property I, L.P. Method and apparatus for encryption of communications over a network
US9729197B2 (en) 2015-10-01 2017-08-08 At&T Intellectual Property I, L.P. Method and apparatus for communicating network management traffic over a network
US9876264B2 (en) 2015-10-02 2018-01-23 At&T Intellectual Property I, Lp Communication system, guided wave switch and methods for use therewith
US9882277B2 (en) 2015-10-02 2018-01-30 At&T Intellectual Property I, Lp Communication device and antenna assembly with actuated gimbal mount
US10665942B2 (en) 2015-10-16 2020-05-26 At&T Intellectual Property I, L.P. Method and apparatus for adjusting wireless communications
US10355367B2 (en) 2015-10-16 2019-07-16 At&T Intellectual Property I, L.P. Antenna structure for exchanging wireless signals
US11929552B2 (en) 2016-07-21 2024-03-12 Astronics Aerosat Corporation Multi-channel communications antenna
US9912419B1 (en) 2016-08-24 2018-03-06 At&T Intellectual Property I, L.P. Method and apparatus for managing a fault in a distributed antenna system
US9860075B1 (en) 2016-08-26 2018-01-02 At&T Intellectual Property I, L.P. Method and communication node for broadband distribution
US10291311B2 (en) 2016-09-09 2019-05-14 At&T Intellectual Property I, L.P. Method and apparatus for mitigating a fault in a distributed antenna system
US11032819B2 (en) 2016-09-15 2021-06-08 At&T Intellectual Property I, L.P. Method and apparatus for use with a radio distributed antenna system having a control channel reference signal
US10135147B2 (en) 2016-10-18 2018-11-20 At&T Intellectual Property I, L.P. Apparatus and methods for launching guided waves via an antenna
US10135146B2 (en) 2016-10-18 2018-11-20 At&T Intellectual Property I, L.P. Apparatus and methods for launching guided waves via circuits
US10340600B2 (en) 2016-10-18 2019-07-02 At&T Intellectual Property I, L.P. Apparatus and methods for launching guided waves via plural waveguide systems
US9991580B2 (en) 2016-10-21 2018-06-05 At&T Intellectual Property I, L.P. Launcher and coupling system for guided wave mode cancellation
US9876605B1 (en) 2016-10-21 2018-01-23 At&T Intellectual Property I, L.P. Launcher and coupling system to support desired guided wave mode
US10374316B2 (en) 2016-10-21 2019-08-06 At&T Intellectual Property I, L.P. System and dielectric antenna with non-uniform dielectric
US10811767B2 (en) 2016-10-21 2020-10-20 At&T Intellectual Property I, L.P. System and dielectric antenna with convex dielectric radome
US10312567B2 (en) 2016-10-26 2019-06-04 At&T Intellectual Property I, L.P. Launcher with planar strip antenna and methods for use therewith
US10291334B2 (en) 2016-11-03 2019-05-14 At&T Intellectual Property I, L.P. System for detecting a fault in a communication system
US10225025B2 (en) 2016-11-03 2019-03-05 At&T Intellectual Property I, L.P. Method and apparatus for detecting a fault in a communication system
US10498044B2 (en) 2016-11-03 2019-12-03 At&T Intellectual Property I, L.P. Apparatus for configuring a surface of an antenna
US10224634B2 (en) 2016-11-03 2019-03-05 At&T Intellectual Property I, L.P. Methods and apparatus for adjusting an operational characteristic of an antenna
US10090594B2 (en) 2016-11-23 2018-10-02 At&T Intellectual Property I, L.P. Antenna system having structural configurations for assembly
US10535928B2 (en) 2016-11-23 2020-01-14 At&T Intellectual Property I, L.P. Antenna system and methods for use therewith
US10340603B2 (en) 2016-11-23 2019-07-02 At&T Intellectual Property I, L.P. Antenna system having shielded structural configurations for assembly
US10340601B2 (en) 2016-11-23 2019-07-02 At&T Intellectual Property I, L.P. Multi-antenna system and methods for use therewith
US10178445B2 (en) 2016-11-23 2019-01-08 At&T Intellectual Property I, L.P. Methods, devices, and systems for load balancing between a plurality of waveguides
US10305190B2 (en) 2016-12-01 2019-05-28 At&T Intellectual Property I, L.P. Reflecting dielectric antenna system and methods for use therewith
US10361489B2 (en) 2016-12-01 2019-07-23 At&T Intellectual Property I, L.P. Dielectric dish antenna system and methods for use therewith
US10819035B2 (en) 2016-12-06 2020-10-27 At&T Intellectual Property I, L.P. Launcher with helical antenna and methods for use therewith
US10382976B2 (en) 2016-12-06 2019-08-13 At&T Intellectual Property I, L.P. Method and apparatus for managing wireless communications based on communication paths and network device positions
US10727599B2 (en) 2016-12-06 2020-07-28 At&T Intellectual Property I, L.P. Launcher with slot antenna and methods for use therewith
US10637149B2 (en) 2016-12-06 2020-04-28 At&T Intellectual Property I, L.P. Injection molded dielectric antenna and methods for use therewith
US10755542B2 (en) 2016-12-06 2020-08-25 At&T Intellectual Property I, L.P. Method and apparatus for surveillance via guided wave communication
US10439675B2 (en) 2016-12-06 2019-10-08 At&T Intellectual Property I, L.P. Method and apparatus for repeating guided wave communication signals
US10135145B2 (en) 2016-12-06 2018-11-20 At&T Intellectual Property I, L.P. Apparatus and methods for generating an electromagnetic wave along a transmission medium
US9927517B1 (en) 2016-12-06 2018-03-27 At&T Intellectual Property I, L.P. Apparatus and methods for sensing rainfall
US10694379B2 (en) 2016-12-06 2020-06-23 At&T Intellectual Property I, L.P. Waveguide system with device-based authentication and methods for use therewith
US10020844B2 (en) 2016-12-06 2018-07-10 T&T Intellectual Property I, L.P. Method and apparatus for broadcast communication via guided waves
US10326494B2 (en) 2016-12-06 2019-06-18 At&T Intellectual Property I, L.P. Apparatus for measurement de-embedding and methods for use therewith
US10139820B2 (en) 2016-12-07 2018-11-27 At&T Intellectual Property I, L.P. Method and apparatus for deploying equipment of a communication system
US10168695B2 (en) 2016-12-07 2019-01-01 At&T Intellectual Property I, L.P. Method and apparatus for controlling an unmanned aircraft
US10389029B2 (en) 2016-12-07 2019-08-20 At&T Intellectual Property I, L.P. Multi-feed dielectric antenna system with core selection and methods for use therewith
US10547348B2 (en) 2016-12-07 2020-01-28 At&T Intellectual Property I, L.P. Method and apparatus for switching transmission mediums in a communication system
US10243270B2 (en) 2016-12-07 2019-03-26 At&T Intellectual Property I, L.P. Beam adaptive multi-feed dielectric antenna system and methods for use therewith
US9893795B1 (en) 2016-12-07 2018-02-13 At&T Intellectual Property I, Lp Method and repeater for broadband distribution
US10027397B2 (en) 2016-12-07 2018-07-17 At&T Intellectual Property I, L.P. Distributed antenna system and methods for use therewith
US10359749B2 (en) 2016-12-07 2019-07-23 At&T Intellectual Property I, L.P. Method and apparatus for utilities management via guided wave communication
US10446936B2 (en) 2016-12-07 2019-10-15 At&T Intellectual Property I, L.P. Multi-feed dielectric antenna system and methods for use therewith
US10103422B2 (en) 2016-12-08 2018-10-16 At&T Intellectual Property I, L.P. Method and apparatus for mounting network devices
US10411356B2 (en) 2016-12-08 2019-09-10 At&T Intellectual Property I, L.P. Apparatus and methods for selectively targeting communication devices with an antenna array
US9998870B1 (en) 2016-12-08 2018-06-12 At&T Intellectual Property I, L.P. Method and apparatus for proximity sensing
US10777873B2 (en) 2016-12-08 2020-09-15 At&T Intellectual Property I, L.P. Method and apparatus for mounting network devices
US10938108B2 (en) 2016-12-08 2021-03-02 At&T Intellectual Property I, L.P. Frequency selective multi-feed dielectric antenna system and methods for use therewith
US10069535B2 (en) 2016-12-08 2018-09-04 At&T Intellectual Property I, L.P. Apparatus and methods for launching electromagnetic waves having a certain electric field structure
US10601494B2 (en) 2016-12-08 2020-03-24 At&T Intellectual Property I, L.P. Dual-band communication device and method for use therewith
US9911020B1 (en) 2016-12-08 2018-03-06 At&T Intellectual Property I, L.P. Method and apparatus for tracking via a radio frequency identification device
US10326689B2 (en) 2016-12-08 2019-06-18 At&T Intellectual Property I, L.P. Method and system for providing alternative communication paths
US10389037B2 (en) 2016-12-08 2019-08-20 At&T Intellectual Property I, L.P. Apparatus and methods for selecting sections of an antenna array and use therewith
US10916969B2 (en) 2016-12-08 2021-02-09 At&T Intellectual Property I, L.P. Method and apparatus for providing power using an inductive coupling
US10530505B2 (en) 2016-12-08 2020-01-07 At&T Intellectual Property I, L.P. Apparatus and methods for launching electromagnetic waves along a transmission medium
US10340983B2 (en) 2016-12-09 2019-07-02 At&T Intellectual Property I, L.P. Method and apparatus for surveying remote sites via guided wave communications
US10264586B2 (en) 2016-12-09 2019-04-16 At&T Mobility Ii Llc Cloud-based packet controller and methods for use therewith
US9838896B1 (en) 2016-12-09 2017-12-05 At&T Intellectual Property I, L.P. Method and apparatus for assessing network coverage
US9973940B1 (en) 2017-02-27 2018-05-15 At&T Intellectual Property I, L.P. Apparatus and methods for dynamic impedance matching of a guided wave launcher
US10298293B2 (en) 2017-03-13 2019-05-21 At&T Intellectual Property I, L.P. Apparatus of communication utilizing wireless network devices
US10992052B2 (en) 2017-08-28 2021-04-27 Astronics Aerosat Corporation Dielectric lens for antenna system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE470623A (en) * 1941-11-28
US2767396A (en) * 1946-04-30 1956-10-16 Bell Telephone Labor Inc Directive antenna systems
DE882430C (en) * 1951-10-02 1953-07-09 Siemens Ag Antenna for very short electric waves
GB830754A (en) * 1956-09-14 1960-03-23 Ca Nat Research Council Two dimensional array
GB892813A (en) * 1957-05-31 1962-03-28 Emi Ltd Improvements relating to transmission apparatus including waveguide aerials
US2929064A (en) * 1957-08-02 1960-03-15 Hughes Aircraft Co Pencil beam slot antenna
US3233242A (en) * 1961-05-31 1966-02-01 Textron Inc H-guide microwave antenna
US3212095A (en) * 1963-02-14 1965-10-12 James S Ajioka Low side lobe pillbox antenna employing open-ended baffles
US3599216A (en) * 1969-08-11 1971-08-10 Nasa Virtual-wall slot circularly polarized planar array antenna
US3720953A (en) * 1972-02-02 1973-03-13 Hughes Aircraft Co Dual polarized slot elements in septated waveguide cavity
JPS62260404A (en) * 1986-05-02 1987-11-12 Arimura Giken Kk Waveguide line

Also Published As

Publication number Publication date
GB2208969A (en) 1989-04-19
CN1031451A (en) 1989-03-01
FR2619658A1 (en) 1989-02-24
DE3827956A1 (en) 1989-03-02
CN1014572B (en) 1991-10-30
GB2208969B (en) 1992-04-01
KR910008948B1 (en) 1991-10-26
GB8819376D0 (en) 1988-09-14

Similar Documents

Publication Publication Date Title
KR890004467A (en) Slot antenna
US3701162A (en) Planar antenna array
JP2610769B2 (en) Antenna radiation device
US3594806A (en) Dipole augmented slot radiating elements
US2650985A (en) Radio horn
JPH0246004A (en) Square waveguide slot array antenna
US2562332A (en) Tilted slot antenna
US3938159A (en) Dual frequency feed horn using notched fins for phase and amplitude control
GB780086A (en) Improvements in and relating to electromagnetic wave radiators
US3521288A (en) Antenna array employing beam waveguide feed
US2894261A (en) Antenna array
US3761938A (en) Ferrite dipole antenna radiator
US4502053A (en) Circularly polarized electromagnetic-wave radiator
EP0642192B1 (en) Array antenna
US3267477A (en) Dual frequency microwave antenna
US2447768A (en) Microwave antenna
US2548655A (en) Directive dielectric guide antenna
US3382501A (en) Elliptically or circularly polarized antenna
US2589433A (en) Wave guide feed for cylindrical paraboloid
JPS6152002A (en) Microwave feeding circuit
US3276020A (en) Low profile surface wave antenna
US2501105A (en) Microwave antenna
US2790957A (en) Wave guide structure
JPS5823008B2 (en) Multi-frequency antenna
SU1730697A1 (en) Stripline antenna

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee