AU7323974A - Signal devices - Google Patents

Signal devices

Info

Publication number
AU7323974A
AU7323974A AU73239/74A AU7323974A AU7323974A AU 7323974 A AU7323974 A AU 7323974A AU 73239/74 A AU73239/74 A AU 73239/74A AU 7323974 A AU7323974 A AU 7323974A AU 7323974 A AU7323974 A AU 7323974A
Authority
AU
Australia
Prior art keywords
signal devices
devices
signal
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
AU73239/74A
Inventor
William Rupert Brooke Elstow
David Michael Jennings
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.)
Pains Wessex Ltd
Original Assignee
Pains Wessex 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 Pains Wessex Ltd filed Critical Pains Wessex Ltd
Publication of AU7323974A publication Critical patent/AU7323974A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205Details
    • G01S5/0226Transmitters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S1/00Beacons 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
    • G01S1/02Beacons 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
    • G01S1/68Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Transmitters (AREA)
AU73239/74A 1973-09-12 1974-09-12 Signal devices Expired AU7323974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11774/73A GB1484452A (en) 1973-09-12 1973-09-12 Buoyant radiobeacons

Publications (1)

Publication Number Publication Date
AU7323974A true AU7323974A (en) 1976-03-18

Family

ID=9992458

Family Applications (1)

Application Number Title Priority Date Filing Date
AU73239/74A Expired AU7323974A (en) 1973-09-12 1974-09-12 Signal devices

Country Status (7)

Country Link
JP (1) JPS5078290A (en)
AU (1) AU7323974A (en)
DE (1) DE2443338A1 (en)
FR (1) FR2243445A1 (en)
GB (1) GB1484452A (en)
NO (1) NO743259L (en)
SE (1) SE7411530L (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2832119A1 (en) * 1977-07-25 1979-02-08 Raychem Corp SELF-HEATABLE AND HEAT REPLACEMENT OBJECTIVE AND PROCESS FOR APPLYING A COVERING TO AN OBJECT
WO1982001451A1 (en) * 1980-10-20 1982-04-29 Hugo A Zanutti Vessel location system
GB2122848A (en) * 1982-05-28 1984-01-18 Martin Frederick Moore A security system
GB2149255B (en) * 1983-11-03 1987-02-04 Standard Telephones Cables Ltd Marine distress transmitter
GB2149622B (en) * 1983-11-03 1987-06-10 Standard Telephones Cables Ltd Marine distress transmitter
FR2604046B1 (en) * 1986-09-12 1988-11-10 Aerospatiale RADIO TRANSMITTER CAPABLE OF TRANSMITTING IDENTITY INFORMATION
WO1992009902A1 (en) * 1990-11-29 1992-06-11 Assmann Australia Pty. Ltd. Marine buoy transmitter
GB2271237A (en) * 1992-10-01 1994-04-06 John Malcolm Copeland Emergency locator transmitter
US5351194A (en) * 1993-05-14 1994-09-27 World Wide Notification Systems, Inc. Apparatus and method for closing flight plans and locating aircraft
DE4431863A1 (en) * 1994-09-07 1995-10-26 Stn Atlas Elektronik Gmbh Appts. for location of containers lost at sea or in inland waters

Also Published As

Publication number Publication date
SE7411530L (en) 1975-03-13
FR2243445A1 (en) 1975-04-04
NO743259L (en) 1975-03-13
DE2443338A1 (en) 1975-04-03
GB1484452A (en) 1977-09-01
JPS5078290A (en) 1975-06-26

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