GB2139444B - Direction-finding aerial and receiving system - Google Patents

Direction-finding aerial and receiving system

Info

Publication number
GB2139444B
GB2139444B GB08312197A GB8312197A GB2139444B GB 2139444 B GB2139444 B GB 2139444B GB 08312197 A GB08312197 A GB 08312197A GB 8312197 A GB8312197 A GB 8312197A GB 2139444 B GB2139444 B GB 2139444B
Authority
GB
United Kingdom
Prior art keywords
receiving system
finding aerial
aerial
finding
receiving
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
GB08312197A
Other versions
GB2139444A (en
GB8312197D0 (en
Inventor
James Alexander Mclay
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB08312197A priority Critical patent/GB2139444B/en
Publication of GB8312197D0 publication Critical patent/GB8312197D0/en
Publication of GB2139444A publication Critical patent/GB2139444A/en
Application granted granted Critical
Publication of GB2139444B publication Critical patent/GB2139444B/en
Expired 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
    • G01S3/58—Rotating or oscillating beam systems using continuous analysis of received signal for determining direction in the plane of rotation or oscillation or for determining deviation from a predetermined direction in such a plane
    • 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
    • G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
GB08312197A 1983-05-04 1983-05-04 Direction-finding aerial and receiving system Expired GB2139444B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08312197A GB2139444B (en) 1983-05-04 1983-05-04 Direction-finding aerial and receiving system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08312197A GB2139444B (en) 1983-05-04 1983-05-04 Direction-finding aerial and receiving system

Publications (3)

Publication Number Publication Date
GB8312197D0 GB8312197D0 (en) 1983-06-08
GB2139444A GB2139444A (en) 1984-11-07
GB2139444B true GB2139444B (en) 1987-08-12

Family

ID=10542141

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08312197A Expired GB2139444B (en) 1983-05-04 1983-05-04 Direction-finding aerial and receiving system

Country Status (1)

Country Link
GB (1) GB2139444B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1547632A (en) * 1977-11-29 1979-06-27 Apt Electronics Ltd Radio direction finder for use on board a craft

Also Published As

Publication number Publication date
GB2139444A (en) 1984-11-07
GB8312197D0 (en) 1983-06-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee