GB2257324B - Navigation system - Google Patents

Navigation system

Info

Publication number
GB2257324B
GB2257324B GB9219238A GB9219238A GB2257324B GB 2257324 B GB2257324 B GB 2257324B GB 9219238 A GB9219238 A GB 9219238A GB 9219238 A GB9219238 A GB 9219238A GB 2257324 B GB2257324 B GB 2257324B
Authority
GB
United Kingdom
Prior art keywords
navigation system
navigation
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 - Fee Related
Application number
GB9219238A
Other versions
GB9219238D0 (en
GB2257324A (en
Inventor
Stephen John Steele
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.)
Vinten Broadcast Ltd
Original Assignee
Vinten Broadcast 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
Priority claimed from GB909005555A external-priority patent/GB9005555D0/en
Application filed by Vinten Broadcast Ltd filed Critical Vinten Broadcast Ltd
Priority to GB9219238A priority Critical patent/GB2257324B/en
Publication of GB9219238D0 publication Critical patent/GB9219238D0/en
Publication of GB2257324A publication Critical patent/GB2257324A/en
Application granted granted Critical
Publication of GB2257324B publication Critical patent/GB2257324B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S3/78—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 electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction
    • G01S3/785—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
    • G01S3/786—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
    • G01S3/7864—T.V. type tracking systems
    • 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
    • G01S1/70—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 electromagnetic waves other than radio waves
    • G01S1/703—Details
    • G01S1/7032—Transmitters
    • G01S1/7038—Signal details
GB9219238A 1990-03-13 1992-09-11 Navigation system Expired - Fee Related GB2257324B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9219238A GB2257324B (en) 1990-03-13 1992-09-11 Navigation system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB909005555A GB9005555D0 (en) 1990-03-13 1990-03-13 Navigation system
PCT/GB1991/000375 WO1991014187A1 (en) 1990-03-13 1991-03-08 Navigation system
GB9219238A GB2257324B (en) 1990-03-13 1992-09-11 Navigation system

Publications (3)

Publication Number Publication Date
GB9219238D0 GB9219238D0 (en) 1992-11-11
GB2257324A GB2257324A (en) 1993-01-06
GB2257324B true GB2257324B (en) 1993-12-22

Family

ID=26296780

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9219238A Expired - Fee Related GB2257324B (en) 1990-03-13 1992-09-11 Navigation system

Country Status (1)

Country Link
GB (1) GB2257324B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB129257A (en) * 1918-06-29 1920-07-19 Benard Barbier Et Turenne Improvements in and relating to Beacon-lights and Signal and other Revolving Lamps.
GB2152320A (en) * 1983-12-07 1985-07-31 Robert James Siddall Position location system
FR2603376A1 (en) * 1986-08-27 1988-03-04 Kajima Corp LASER BEAM MEASURING METHOD AND DEVICE, PARTICULARLY FOR DETERMINING THE COORDINATES OF A POINT

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB129257A (en) * 1918-06-29 1920-07-19 Benard Barbier Et Turenne Improvements in and relating to Beacon-lights and Signal and other Revolving Lamps.
GB2152320A (en) * 1983-12-07 1985-07-31 Robert James Siddall Position location system
FR2603376A1 (en) * 1986-08-27 1988-03-04 Kajima Corp LASER BEAM MEASURING METHOD AND DEVICE, PARTICULARLY FOR DETERMINING THE COORDINATES OF A POINT

Also Published As

Publication number Publication date
GB9219238D0 (en) 1992-11-11
GB2257324A (en) 1993-01-06

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Legal Events

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