BE814976R - Systeme d'antennes commande electroniquement - Google Patents

Systeme d'antennes commande electroniquement

Info

Publication number
BE814976R
BE814976R BE2053615A BE2053615A BE814976R BE 814976 R BE814976 R BE 814976R BE 2053615 A BE2053615 A BE 2053615A BE 2053615 A BE2053615 A BE 2053615A BE 814976 R BE814976 R BE 814976R
Authority
BE
Belgium
Prior art keywords
antenna system
electronically controlled
controlled antenna
electronically
controlled
Prior art date
Application number
BE2053615A
Other languages
English (en)
Inventor
E G Parker
C Lucanera
R W Craine
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 filed Critical
Application granted granted Critical
Publication of BE814976R publication Critical patent/BE814976R/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/04—Multimode antennas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H01Q21/0018—Space- 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
    • H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
    • 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
    • H01Q3/26—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/28—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the amplitude

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)
BE2053615A 1973-04-18 1974-05-14 Systeme d'antennes commande electroniquement BE814976R (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00352154A US3845485A (en) 1973-04-18 1973-04-18 Non-rotating antenna

Publications (1)

Publication Number Publication Date
BE814976R true BE814976R (fr) 1974-11-14

Family

ID=23384008

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2053615A BE814976R (fr) 1973-04-18 1974-05-14 Systeme d'antennes commande electroniquement

Country Status (7)

Country Link
US (1) US3845485A (fr)
JP (1) JPS5323075B2 (fr)
BE (1) BE814976R (fr)
DE (1) DE2417653A1 (fr)
FR (1) FR2226777A1 (fr)
GB (1) GB1460796A (fr)
IT (1) IT1006412B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260994A (en) * 1978-11-09 1981-04-07 International Telephone And Telegraph Corporation Antenna pattern synthesis and shaping
EP0222086B1 (fr) * 1982-10-16 1990-09-26 ANT Nachrichtentechnik GmbH Transformateur de polarisation
JPH10270944A (ja) * 1997-03-21 1998-10-09 Canon Inc 変調装置
US6492942B1 (en) 1999-11-09 2002-12-10 Com Dev International, Inc. Content-based adaptive parasitic array antenna system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3713167A (en) * 1971-08-05 1973-01-23 Us Navy Omni-steerable cardioid antenna

Also Published As

Publication number Publication date
DE2417653A1 (de) 1974-10-24
IT1006412B (it) 1976-09-30
JPS5323075B2 (fr) 1978-07-12
US3845485A (en) 1974-10-29
GB1460796A (en) 1977-01-06
FR2226777A1 (fr) 1974-11-15
JPS5010943A (fr) 1975-02-04

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: INTERNATIONAL STANDARD ELECTRIC CORP.

Effective date: 19880430