GB2169478B - Identification system - Google Patents

Identification system

Info

Publication number
GB2169478B
GB2169478B GB08531434A GB8531434A GB2169478B GB 2169478 B GB2169478 B GB 2169478B GB 08531434 A GB08531434 A GB 08531434A GB 8531434 A GB8531434 A GB 8531434A GB 2169478 B GB2169478 B GB 2169478B
Authority
GB
United Kingdom
Prior art keywords
identification system
identification
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
GB08531434A
Other versions
GB2169478A (en
GB8531434D0 (en
Inventor
Denis John Walker
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.)
Decca Ltd
Original Assignee
Decca 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 Decca Ltd filed Critical Decca Ltd
Publication of GB8531434D0 publication Critical patent/GB8531434D0/en
Publication of GB2169478A publication Critical patent/GB2169478A/en
Application granted granted Critical
Publication of GB2169478B publication Critical patent/GB2169478B/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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Traffic Control Systems (AREA)
GB08531434A 1985-01-04 1985-12-20 Identification system Expired GB2169478B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858500186A GB8500186D0 (en) 1985-01-04 1985-01-04 Marine identification system

Publications (3)

Publication Number Publication Date
GB8531434D0 GB8531434D0 (en) 1986-02-05
GB2169478A GB2169478A (en) 1986-07-09
GB2169478B true GB2169478B (en) 1988-10-19

Family

ID=10572410

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858500186A Pending GB8500186D0 (en) 1985-01-04 1985-01-04 Marine identification system
GB08531434A Expired GB2169478B (en) 1985-01-04 1985-12-20 Identification system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858500186A Pending GB8500186D0 (en) 1985-01-04 1985-01-04 Marine identification system

Country Status (1)

Country Link
GB (2) GB8500186D0 (en)

Also Published As

Publication number Publication date
GB8500186D0 (en) 1985-02-13
GB2169478A (en) 1986-07-09
GB8531434D0 (en) 1986-02-05

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Legal Events

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

Effective date: 19941220