NL7410633A - ANTENNA WITH SWITCHABLE BEAM WIDTH. - Google Patents

ANTENNA WITH SWITCHABLE BEAM WIDTH.

Info

Publication number
NL7410633A
NL7410633A NL7410633A NL7410633A NL7410633A NL 7410633 A NL7410633 A NL 7410633A NL 7410633 A NL7410633 A NL 7410633A NL 7410633 A NL7410633 A NL 7410633A NL 7410633 A NL7410633 A NL 7410633A
Authority
NL
Netherlands
Prior art keywords
antenna
beam width
switchable beam
switchable
width
Prior art date
Application number
NL7410633A
Other languages
Dutch (nl)
Original Assignee
Nasa
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 Nasa filed Critical Nasa
Publication of NL7410633A publication Critical patent/NL7410633A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
    • H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
NL7410633A 1973-09-10 1974-08-07 ANTENNA WITH SWITCHABLE BEAM WIDTH. NL7410633A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US395868A US3866233A (en) 1973-09-10 1973-09-10 Dish antenna having switchable beamwidth

Publications (1)

Publication Number Publication Date
NL7410633A true NL7410633A (en) 1975-03-12

Family

ID=23564878

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7410633A NL7410633A (en) 1973-09-10 1974-08-07 ANTENNA WITH SWITCHABLE BEAM WIDTH.

Country Status (7)

Country Link
US (1) US3866233A (en)
JP (1) JPS5057364A (en)
CA (1) CA997062A (en)
DE (1) DE2442884A1 (en)
FR (1) FR2243533B1 (en)
GB (1) GB1472139A (en)
NL (1) NL7410633A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990080A (en) * 1975-07-21 1976-11-02 Bell Telephone Laboratories, Incorporated Antenna with echo cancelling elements
JPS5230141A (en) * 1975-09-01 1977-03-07 Nippon Telegr & Teleph Corp <Ntt> Beam width variable antenna of ariable feeding position type
US4042933A (en) * 1976-03-19 1977-08-16 The United States Of America As Represented By The Secretary Of The Navy Antenna line scan system for helicopter wire detection
FR2412961A1 (en) * 1977-12-22 1979-07-20 Thomson Csf CONICAL SCAN ANTENNA SYSTEM FOR TRACKING RADAR
FR2448233A1 (en) * 1979-02-02 1980-08-29 Thomson Csf REVERSE CASSEGRAIN ANTENNA FOR MULTI-FUNCTION RADAR
GB2268834B (en) * 1980-12-04 1994-06-22 Racal Mesl Ltd Radar arrangements and methods of detecting different types of targets
DE3411838A1 (en) * 1984-03-30 1985-10-10 ANT Nachrichtentechnik GmbH, 7150 Backnang Pivoting beam antenna for space radio stations
JPH0650806B2 (en) * 1986-07-09 1994-06-29 日本電気株式会社 Double reflector antenna
JP2608412B2 (en) * 1987-07-27 1997-05-07 富士通株式会社 Omni-directional antenna in horizontal plane
DE29724409U1 (en) * 1997-10-14 2001-11-15 Rr Elektronische Geraete Gmbh Tracking system for aligning a swiveling reflective antenna
US6172650B1 (en) * 1998-07-02 2001-01-09 Kabushiki Kaisha Toyota Chuo Kenkyusho Antenna system
US6320553B1 (en) * 1999-12-14 2001-11-20 Harris Corporation Multiple frequency reflector antenna with multiple feeds
DE102008011350A1 (en) * 2008-02-27 2009-09-03 Loeffler Technology Gmbh Apparatus and method for real-time detection of electromagnetic THz radiation
US9093754B2 (en) 2013-05-10 2015-07-28 Google Inc. Dynamically adjusting width of beam based on altitude
US9929474B2 (en) * 2015-07-02 2018-03-27 Sea Tel, Inc. Multiple-feed antenna system having multi-position subreflector assembly
US10116060B2 (en) 2015-08-31 2018-10-30 Commscope Technologies Llc Variable beam width antenna systems
EP4068504A3 (en) * 2021-03-31 2022-12-21 Nokia Solutions and Networks Oy Antenna apparatus and method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716869A (en) * 1970-12-02 1973-02-13 Nasa Millimeter wave antenna system

Also Published As

Publication number Publication date
FR2243533A1 (en) 1975-04-04
US3866233A (en) 1975-02-11
CA997062A (en) 1976-09-14
FR2243533B1 (en) 1979-03-16
DE2442884A1 (en) 1975-03-13
GB1472139A (en) 1977-05-04
JPS5057364A (en) 1975-05-19

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