GB1551722A - Location devices - Google Patents

Location devices

Info

Publication number
GB1551722A
GB1551722A GB3312975A GB3312975A GB1551722A GB 1551722 A GB1551722 A GB 1551722A GB 3312975 A GB3312975 A GB 3312975A GB 3312975 A GB3312975 A GB 3312975A GB 1551722 A GB1551722 A GB 1551722A
Authority
GB
United Kingdom
Prior art keywords
location devices
location
devices
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
GB3312975A
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.)
Plessey Co Ltd
Original Assignee
Plessey 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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB3312975A priority Critical patent/GB1551722A/en
Publication of GB1551722A publication Critical patent/GB1551722A/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)
GB3312975A 1976-07-27 1976-07-27 Location devices Expired GB1551722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3312975A GB1551722A (en) 1976-07-27 1976-07-27 Location devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3312975A GB1551722A (en) 1976-07-27 1976-07-27 Location devices

Publications (1)

Publication Number Publication Date
GB1551722A true GB1551722A (en) 1979-08-30

Family

ID=10348932

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3312975A Expired GB1551722A (en) 1976-07-27 1976-07-27 Location devices

Country Status (1)

Country Link
GB (1) GB1551722A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2142201A (en) * 1983-06-24 1985-01-09 Plessey Co Plc Radar system
EP0247375A2 (en) * 1986-05-28 1987-12-02 Atlas Elektronik Gmbh Method for locating an under water target

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2142201A (en) * 1983-06-24 1985-01-09 Plessey Co Plc Radar system
EP0247375A2 (en) * 1986-05-28 1987-12-02 Atlas Elektronik Gmbh Method for locating an under water target
EP0247375A3 (en) * 1986-05-28 1989-07-19 Atlas Elektronik Gmbh Method for locating an under water target

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Legal Events

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