EP0449107A3 - Mikrowellenantenneneinheit - Google Patents

Mikrowellenantenneneinheit Download PDF

Info

Publication number
EP0449107A3
EP0449107A3 EP19910104405 EP91104405A EP0449107A3 EP 0449107 A3 EP0449107 A3 EP 0449107A3 EP 19910104405 EP19910104405 EP 19910104405 EP 91104405 A EP91104405 A EP 91104405A EP 0449107 A3 EP0449107 A3 EP 0449107A3
Authority
EP
European Patent Office
Prior art keywords
antenna
microwave
antenna unit
dish
case
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.)
Withdrawn
Application number
EP19910104405
Other languages
English (en)
French (fr)
Other versions
EP0449107A2 (de
Inventor
Edric Hayes Field
Reginald Edward Gray
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.)
Thomson Multimedia Sales UK Ltd
Original Assignee
Ferguson 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
Application filed by Ferguson Ltd filed Critical Ferguson Ltd
Publication of EP0449107A2 publication Critical patent/EP0449107A2/de
Publication of EP0449107A3 publication Critical patent/EP0449107A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/125—Means for positioning
    • H01Q1/1264—Adjusting different parts or elements of an aerial unit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
    • H01Q19/13—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Support Of Aerials (AREA)
  • Radar Systems Or Details Thereof (AREA)
EP19910104405 1990-03-27 1991-03-21 Mikrowellenantenneneinheit Withdrawn EP0449107A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909006752A GB9006752D0 (en) 1990-03-27 1990-03-27 Microwave antenna unit
GB9006752 1990-03-27

Publications (2)

Publication Number Publication Date
EP0449107A2 EP0449107A2 (de) 1991-10-02
EP0449107A3 true EP0449107A3 (de) 1991-10-30

Family

ID=10673279

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910104405 Withdrawn EP0449107A3 (de) 1990-03-27 1991-03-21 Mikrowellenantenneneinheit

Country Status (4)

Country Link
EP (1) EP0449107A3 (de)
JP (1) JPH05114814A (de)
CN (1) CN1055448A (de)
GB (2) GB9006752D0 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6816739B1 (en) 2000-03-03 2004-11-09 Alcatel Canada Inc. Radio system attenuator for an antenna

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0997977A1 (de) * 1998-10-27 2000-05-03 TRT Lucent Technologies (SA) Funkverbindungsabschwächer für ein integriertes Antennenadapter-Endgerät
EP0997976A1 (de) * 1998-10-27 2000-05-03 TRT Lucent Technologies (SA) Dämpfungsglied zur Dämpfung einer Funkverbindung für Endgerätadapter mit integrierter Antenne

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2947910A1 (de) * 1979-11-28 1981-06-04 Siemens AG, 1000 Berlin und 8000 München Cassegrain-antenne
DE2947987A1 (de) * 1979-11-28 1981-09-03 Siemens AG, 1000 Berlin und 8000 München Cassegrain-antenne

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1326210A (en) * 1969-09-16 1973-08-08 Kokusai Denshin Denwa Co Ltd Antenna using at least one reflector
FR2180585B1 (de) * 1972-04-21 1974-12-20 Thomson Csf
US4410892A (en) * 1981-05-26 1983-10-18 Andrew Corporation Reflector-type microwave antennas with absorber lined conical feed
DE3476950D1 (en) * 1983-10-17 1989-04-06 Andrew Corp Horn-reflector microwave antennas with absorber lined conical feed
US5317328A (en) * 1984-04-02 1994-05-31 Gabriel Electronics Incorporated Horn reflector antenna with absorber lined conical feed

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2947910A1 (de) * 1979-11-28 1981-06-04 Siemens AG, 1000 Berlin und 8000 München Cassegrain-antenne
DE2947987A1 (de) * 1979-11-28 1981-09-03 Siemens AG, 1000 Berlin und 8000 München Cassegrain-antenne

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 137 (E-405)(2194) May 21, 1986 & JP-A-61 2 432 (MITSUBISHI ) January 8, 1986 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6816739B1 (en) 2000-03-03 2004-11-09 Alcatel Canada Inc. Radio system attenuator for an antenna

Also Published As

Publication number Publication date
GB2244600A (en) 1991-12-04
EP0449107A2 (de) 1991-10-02
CN1055448A (zh) 1991-10-16
GB9006752D0 (en) 1990-05-23
JPH05114814A (ja) 1993-05-07
GB9106554D0 (en) 1991-05-15

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