EP0468620A3 - Dual band frequency reuse antenna - Google Patents

Dual band frequency reuse antenna Download PDF

Info

Publication number
EP0468620A3
EP0468620A3 EP19910303892 EP91303892A EP0468620A3 EP 0468620 A3 EP0468620 A3 EP 0468620A3 EP 19910303892 EP19910303892 EP 19910303892 EP 91303892 A EP91303892 A EP 91303892A EP 0468620 A3 EP0468620 A3 EP 0468620A3
Authority
EP
European Patent Office
Prior art keywords
band frequency
frequency reuse
dual band
reuse antenna
antenna
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.)
Granted
Application number
EP19910303892
Other versions
EP0468620B1 (en
EP0468620A2 (en
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.)
Maxar Space LLC
Original Assignee
Space Systems Loral LLC
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 Space Systems Loral LLC filed Critical Space Systems Loral LLC
Publication of EP0468620A2 publication Critical patent/EP0468620A2/en
Publication of EP0468620A3 publication Critical patent/EP0468620A3/en
Application granted granted Critical
Publication of EP0468620B1 publication Critical patent/EP0468620B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation 
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/24—Polarising devices; Polarisation filters 
    • H01Q15/242—Polarisation converters
    • H01Q15/244—Polarisation converters converting a linear polarised wave into a circular polarised wave
EP19910303892 1990-07-26 1991-04-30 Dual band frequency reuse antenna Expired - Lifetime EP0468620B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55903490A 1990-07-26 1990-07-26
US559034 1990-07-26

Publications (3)

Publication Number Publication Date
EP0468620A2 EP0468620A2 (en) 1992-01-29
EP0468620A3 true EP0468620A3 (en) 1992-05-20
EP0468620B1 EP0468620B1 (en) 1995-12-27

Family

ID=24232016

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910303892 Expired - Lifetime EP0468620B1 (en) 1990-07-26 1991-04-30 Dual band frequency reuse antenna

Country Status (4)

Country Link
EP (1) EP0468620B1 (en)
JP (1) JP2651962B2 (en)
CA (2) CA2041572C (en)
DE (1) DE69115783T2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08139502A (en) * 1994-11-14 1996-05-31 Nec Corp Circular polarized wave generator
WO2009110755A2 (en) * 2008-03-05 2009-09-11 주식회사 인텔리안테크놀로지스 Multiband signal transmitting/receiving apparatus using reflector antenna and horn antenna and method for same
CN107093802B (en) * 2017-03-20 2019-07-23 东南大学 The equally distributed high-gain lens antenna of bore face phase and amplitude
US10665931B2 (en) * 2017-08-01 2020-05-26 Lockheed Martin Corporation Waveguide aperture design for geo satellites

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754271A (en) * 1972-07-03 1973-08-21 Gte Sylvania Inc Broadband antenna polarizer
EP0042612A1 (en) * 1980-06-24 1981-12-30 Siemens Aktiengesellschaft Arrangement for transforming the polarization of electromagnetic waves
EP0045682A1 (en) * 1980-07-31 1982-02-10 Thomson-Csf Antenna feed for a transmitting-receiving antenna

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2529392B1 (en) * 1982-06-25 1985-06-28 Thomson Csf MULTIPLEXING DEVICE FOR GROUPING TWO FREQUENCY BANDS AND MULTIPLEXER COMPRISING SUCH A DEVICE
JPS60176302A (en) * 1984-02-22 1985-09-10 Mitsubishi Electric Corp Polarizer
JPH0611085B2 (en) * 1987-02-23 1994-02-09 三菱電機株式会社 Circularly polarized array antenna
JPH01126803A (en) * 1987-11-12 1989-05-18 Mitsubishi Electric Corp Horn antenna system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754271A (en) * 1972-07-03 1973-08-21 Gte Sylvania Inc Broadband antenna polarizer
EP0042612A1 (en) * 1980-06-24 1981-12-30 Siemens Aktiengesellschaft Arrangement for transforming the polarization of electromagnetic waves
EP0045682A1 (en) * 1980-07-31 1982-02-10 Thomson-Csf Antenna feed for a transmitting-receiving antenna

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
BBC RESEARCH DEPARTMENT REPORT. no. 7, July 1988, TADWORTH GB pages 1 - 10; M.C.D. MADDOCKS ET AL.: 'Polarisation converters for a DBS flat-plane antenna' *
NTG-FACHBERICHTE,VOL.52,1975,PAGES 203-208 G.MöRZ et al.:"Speisesysteme zur Erzeugung von Dualpolarisation hoher Entkopplung für Boden stationsantennen mit Frequenzdoppelausnutzung" *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 374 (E-808)18 August 1989 & JP-A-1 126 803 ( MITSUBISHI ELECTRIC CORP ) 18 May 1989 *

Also Published As

Publication number Publication date
JPH05136624A (en) 1993-06-01
DE69115783D1 (en) 1996-02-08
CA2041572A1 (en) 1992-01-27
CA2046975A1 (en) 1992-01-27
DE69115783T2 (en) 1996-07-25
JP2651962B2 (en) 1997-09-10
EP0468620B1 (en) 1995-12-27
EP0468620A2 (en) 1992-01-29
CA2041572C (en) 1999-11-09

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