CA980434A - Radio frequency antenna system - Google Patents

Radio frequency antenna system

Info

Publication number
CA980434A
CA980434A CA163,265A CA163265A CA980434A CA 980434 A CA980434 A CA 980434A CA 163265 A CA163265 A CA 163265A CA 980434 A CA980434 A CA 980434A
Authority
CA
Canada
Prior art keywords
radio frequency
antenna system
frequency antenna
radio
frequency
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.)
Expired
Application number
CA163,265A
Other languages
English (en)
Other versions
CA163265S (en
Inventor
Sidney Pickles
Dean S. Thornberg
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.)
Raytheon Co
Original Assignee
E Systems Inc
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 E Systems Inc filed Critical E Systems Inc
Application granted granted Critical
Publication of CA980434A publication Critical patent/CA980434A/en
Expired legal-status Critical Current

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
    • H01Q3/14—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 the relative position of primary active element and a refracting or diffracting device
    • 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

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)
  • Aerials With Secondary Devices (AREA)
CA163,265A 1972-02-09 1973-02-08 Radio frequency antenna system Expired CA980434A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22478372A 1972-02-09 1972-02-09

Publications (1)

Publication Number Publication Date
CA980434A true CA980434A (en) 1975-12-23

Family

ID=22842185

Family Applications (1)

Application Number Title Priority Date Filing Date
CA163,265A Expired CA980434A (en) 1972-02-09 1973-02-08 Radio frequency antenna system

Country Status (7)

Country Link
US (1) US3790943A (ja)
JP (1) JPS5748882B2 (ja)
CA (1) CA980434A (ja)
DE (1) DE2304803A1 (ja)
FR (1) FR2171339B1 (ja)
GB (1) GB1415599A (ja)
IL (1) IL41502A (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260992A (en) * 1979-12-06 1981-04-07 Rockwell International Corporation Radio navigation antenna system for aircraft
US4484196A (en) * 1980-08-01 1984-11-20 The Commonwealth Of Australia Antenna drive arrangement for very high frequency omidirectional range navigation system
US5506591A (en) * 1990-07-30 1996-04-09 Andrew Corporation Television broadcast antenna for broadcasting elliptically polarized signals
SE514000C2 (sv) * 1992-04-29 2000-12-11 Telia Ab Förfarande och anordning för att minska fädningen mellan basstation och mobila enheter
DE69326221T2 (de) * 1992-12-09 2000-05-11 Matsushita Electric Ind Co Ltd Antenne für ein mobiles Kommunikationssystem
DE69731034T2 (de) * 1996-07-18 2005-02-17 Matsushita Electric Industrial Co., Ltd., Kadoma Mobile Funkantenne
US6310585B1 (en) 1999-09-29 2001-10-30 Radio Frequency Systems, Inc. Isolation improvement mechanism for dual polarization scanning antennas
US7133810B2 (en) * 2000-06-30 2006-11-07 Clemson University Designs for wide band antennas with parasitic elements and a method to optimize their design using a genetic algorithm and fast integral equation technique
US7398069B2 (en) * 2000-07-10 2008-07-08 Honeywell International Inc. Navigation morse decode display
US7230980B2 (en) * 2001-09-17 2007-06-12 Time Domain Corporation Method and apparatus for impulse radio transceiver calibration
US7453413B2 (en) * 2002-07-29 2008-11-18 Toyon Research Corporation Reconfigurable parasitic control for antenna arrays and subarrays
CA2562479A1 (en) * 2004-04-12 2005-12-01 Airgain, Inc. Switched multi-beam antenna
US7280072B2 (en) * 2005-04-13 2007-10-09 Brian Mallick System for the relative navigation of aircraft and spacecraft using a phased array antenna
WO2012011796A1 (en) * 2010-07-19 2012-01-26 Laird Technologies, Inc. Multiple-antenna systems with enhanced isolation and directivity

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2726389A (en) * 1951-10-29 1955-12-06 Itt Antenna unit
US3153239A (en) * 1960-09-13 1964-10-13 Adams Russel Co Inc Omnidirectional vertically polarized antenna
US3141169A (en) * 1960-11-21 1964-07-14 Itt Omnidirectional beacon antenna having dipole radiator and parasitically fed horn radiator
US3281843A (en) * 1963-12-09 1966-10-25 Electronic Specialty Co Electronically scanned antenna

Also Published As

Publication number Publication date
FR2171339A1 (ja) 1973-09-21
FR2171339B1 (ja) 1978-05-26
DE2304803A1 (de) 1973-08-16
IL41502A0 (en) 1973-08-29
GB1415599A (en) 1975-11-26
JPS5748882B2 (ja) 1982-10-19
US3790943A (en) 1974-02-05
IL41502A (en) 1975-06-25
JPS4890196A (ja) 1973-11-24

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