GB8717985D0 - Antenna arrangement - Google Patents

Antenna arrangement

Info

Publication number
GB8717985D0
GB8717985D0 GB878717985A GB8717985A GB8717985D0 GB 8717985 D0 GB8717985 D0 GB 8717985D0 GB 878717985 A GB878717985 A GB 878717985A GB 8717985 A GB8717985 A GB 8717985A GB 8717985 D0 GB8717985 D0 GB 8717985D0
Authority
GB
United Kingdom
Prior art keywords
antenna arrangement
antenna
arrangement
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.)
Withdrawn
Application number
GB878717985A
Other versions
GB2208042A (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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Priority to GB08717985A priority Critical patent/GB2208042A/en
Publication of GB8717985D0 publication Critical patent/GB8717985D0/en
Publication of GB2208042A publication Critical patent/GB2208042A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • H01Q9/27—Spiral antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB08717985A 1987-07-29 1987-07-29 Antenna arrangement Withdrawn GB2208042A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08717985A GB2208042A (en) 1987-07-29 1987-07-29 Antenna arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08717985A GB2208042A (en) 1987-07-29 1987-07-29 Antenna arrangement

Publications (2)

Publication Number Publication Date
GB8717985D0 true GB8717985D0 (en) 1987-09-03
GB2208042A GB2208042A (en) 1989-02-15

Family

ID=10621489

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08717985A Withdrawn GB2208042A (en) 1987-07-29 1987-07-29 Antenna arrangement

Country Status (1)

Country Link
GB (1) GB2208042A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0620341D0 (en) * 2006-10-16 2006-11-22 Roke Manor Research Antenna array
RU2465696C1 (en) * 2011-09-13 2012-10-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Мурманский государственный технический университет" (ФГБОУ ВПО "МГТУ") High bandpass response shortened horizontal dipole

Also Published As

Publication number Publication date
GB2208042A (en) 1989-02-15

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)