GB9108457D0 - Improvements in or relating to beacons - Google Patents

Improvements in or relating to beacons

Info

Publication number
GB9108457D0
GB9108457D0 GB919108457A GB9108457A GB9108457D0 GB 9108457 D0 GB9108457 D0 GB 9108457D0 GB 919108457 A GB919108457 A GB 919108457A GB 9108457 A GB9108457 A GB 9108457A GB 9108457 D0 GB9108457 D0 GB 9108457D0
Authority
GB
United Kingdom
Prior art keywords
beacons
relating
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Withdrawn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
GB919108457A
Other versions
GB2254974A (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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co 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 GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB9108457A priority Critical patent/GB2254974A/en
Publication of GB9108457D0 publication Critical patent/GB9108457D0/en
Publication of GB2254974A publication Critical patent/GB2254974A/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Withdrawn legal-status Critical Current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
    • 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
    • G01S1/68—Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Transmitters (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
GB9108457A 1991-04-19 1991-04-19 Radio beacons Withdrawn GB2254974A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9108457A GB2254974A (en) 1991-04-19 1991-04-19 Radio beacons

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9108457A GB2254974A (en) 1991-04-19 1991-04-19 Radio beacons

Publications (2)

Publication Number Publication Date
GB9108457D0 true GB9108457D0 (en) 1991-06-05
GB2254974A GB2254974A (en) 1992-10-21

Family

ID=10693620

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9108457A Withdrawn GB2254974A (en) 1991-04-19 1991-04-19 Radio beacons

Country Status (1)

Country Link
GB (1) GB2254974A (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB715112A (en) * 1950-01-02 1954-09-08 Venner Electronics Ltd Improvements in and relating to marking buoys
US4630289A (en) * 1979-12-21 1986-12-16 Wren Paul E Emergency locator transmitter incident time correlator
JPS58148526A (en) * 1982-02-26 1983-09-03 Mitsubishi Electric Corp Device for rescue signal
US4777656A (en) * 1984-09-28 1988-10-11 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Legislated emergency locating transmitters and emergency position indicating radio beacons
US4833477A (en) * 1987-08-12 1989-05-23 Tendler Robert K Emergency vessel location system
US4850031A (en) * 1988-01-15 1989-07-18 Allsop J I Avalanche victim locating apparatus

Also Published As

Publication number Publication date
GB2254974A (en) 1992-10-21

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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)