IT1117657B - Dispositivo di trasmissione radio elettrica ad iperfrequenza a fasci multipli cimmutabili - Google Patents

Dispositivo di trasmissione radio elettrica ad iperfrequenza a fasci multipli cimmutabili

Info

Publication number
IT1117657B
IT1117657B IT959977A IT959977A IT1117657B IT 1117657 B IT1117657 B IT 1117657B IT 959977 A IT959977 A IT 959977A IT 959977 A IT959977 A IT 959977A IT 1117657 B IT1117657 B IT 1117657B
Authority
IT
Italy
Prior art keywords
transmission device
radio transmission
multiple switching
electric radio
switching bands
Prior art date
Application number
IT959977A
Other languages
English (en)
Italian (it)
Inventor
Emile Golden
Original Assignee
Matra
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 Matra filed Critical Matra
Application granted granted Critical
Publication of IT1117657B publication Critical patent/IT1117657B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/2041—Spot beam multiple access
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device
    • 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
    • H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H01Q3/245—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching in the focal plane of a focussing device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Radio Relay Systems (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
IT959977A 1976-10-22 1977-10-21 Dispositivo di trasmissione radio elettrica ad iperfrequenza a fasci multipli cimmutabili IT1117657B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7631936A FR2368836A1 (fr) 1976-10-22 1976-10-22 Dispositif de transmission radio-electrique hyperfrequence a faisceaux multiples commutables

Publications (1)

Publication Number Publication Date
IT1117657B true IT1117657B (it) 1986-02-17

Family

ID=9179111

Family Applications (1)

Application Number Title Priority Date Filing Date
IT959977A IT1117657B (it) 1976-10-22 1977-10-21 Dispositivo di trasmissione radio elettrica ad iperfrequenza a fasci multipli cimmutabili

Country Status (5)

Country Link
DE (1) DE2747391A1 (de)
FR (1) FR2368836A1 (de)
GB (1) GB1534487A (de)
IT (1) IT1117657B (de)
SE (1) SE437749B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3461605A (en) * 1966-11-04 1969-08-19 Lawrence E Stanhope Greenhouse
US4471361A (en) * 1982-09-23 1984-09-11 Rca Corporation Phase reconfigurable beam antenna system
FR2560446B1 (fr) * 1984-01-05 1986-05-30 Europ Agence Spatiale Repartiteur de puissance pour antenne a faisceaux multiples a elements sources partages
DE3402659A1 (de) * 1984-01-26 1985-08-01 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Reflektorantenne fuer den betrieb in mehreren frequenzbereichen
FR2628896B1 (fr) * 1988-03-18 1990-11-16 Alcatel Espace Antenne a reconfiguration electronique en emission
US5289193A (en) * 1990-11-29 1994-02-22 Alcatel Espace Reconfigurable transmission antenna
FR2670052B1 (fr) * 1990-11-29 1993-07-30 Alcatel Espace Antenne emission reconfigurable.
FR2684809B1 (fr) * 1991-12-09 1994-01-21 Alcatel Espace Antenne passive multifaisceaux a reflecteur(s) conforme (s).
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

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1288858A (fr) * 1961-02-15 1962-03-30 Csf Antenne pouvant émettre simultanément ou successivement plusieurs faisceaux
US3618097A (en) * 1963-06-17 1971-11-02 Raytheon Co Antenna array system
US3711855A (en) * 1969-10-15 1973-01-16 Communications Satellite Corp Satellite on-board switching utilizing space-division and spot beam antennas
US3710281A (en) * 1970-12-10 1973-01-09 Itt Lossless n-port frequency multiplexer

Also Published As

Publication number Publication date
DE2747391A1 (de) 1978-04-27
SE437749B (sv) 1985-03-11
FR2368836B1 (de) 1981-02-27
FR2368836A1 (fr) 1978-05-19
GB1534487A (en) 1978-12-06
SE7711893L (sv) 1978-06-14

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