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GB2521094B - Improvements in or relating to targeting systems - Google Patents

Improvements in or relating to targeting systems

Info

Publication number
GB2521094B
GB2521094B GB9714677.3A GB9714677A GB2521094B GB 2521094 B GB2521094 B GB 2521094B GB 9714677 A GB9714677 A GB 9714677A GB 2521094 B GB2521094 B GB 2521094B
Authority
GB
United Kingdom
Prior art keywords
relating
targeting systems
targeting
systems
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 - Lifetime
Application number
GB9714677.3A
Other versions
GB9714677D0 (en
GB2521094A (en
Inventor
Michael Christopher Rossiter
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.)
Thales Underwater Systems Ltd
Original Assignee
Thales Underwater Systems 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 GBGB9614398.7A external-priority patent/GB9614398D0/en
Application filed by Thales Underwater Systems Ltd filed Critical Thales Underwater Systems Ltd
Publication of GB9714677D0 publication Critical patent/GB9714677D0/en
Publication of GB2521094A publication Critical patent/GB2521094A/en
Application granted granted Critical
Publication of GB2521094B publication Critical patent/GB2521094B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • G01S5/20—Position of source determined by a plurality of spaced direction-finders
    • 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
    • G01S3/80—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 ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/0009—Transmission of position information to remote stations

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB9714677.3A 1996-07-09 1997-07-09 Improvements in or relating to targeting systems Expired - Lifetime GB2521094B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9614398.7A GB9614398D0 (en) 1996-07-09 1996-07-09 Targeting system
GBGB9619023.6A GB9619023D0 (en) 1996-07-09 1996-09-11 Targeting system

Publications (3)

Publication Number Publication Date
GB9714677D0 GB9714677D0 (en) 2013-10-30
GB2521094A GB2521094A (en) 2015-06-17
GB2521094B true GB2521094B (en) 2016-03-23

Family

ID=49552535

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9714677.3A Expired - Lifetime GB2521094B (en) 1996-07-09 1997-07-09 Improvements in or relating to targeting systems

Country Status (1)

Country Link
GB (1) GB2521094B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9614398D0 (en) * 1996-07-09 2013-12-11 Marconi Gec Ltd Targeting system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4811308A (en) * 1986-10-29 1989-03-07 Michel Howard E Seismo-acoustic detection, identification, and tracking of stealth aircraft
GB2253107A (en) * 1982-03-05 1992-08-26 Philips Electronic Associated Locating moving radio sources
WO1996012199A1 (en) * 1994-10-14 1996-04-25 Owen Melfyn Lewis Data processing apparatus and technique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2253107A (en) * 1982-03-05 1992-08-26 Philips Electronic Associated Locating moving radio sources
US4811308A (en) * 1986-10-29 1989-03-07 Michel Howard E Seismo-acoustic detection, identification, and tracking of stealth aircraft
WO1996012199A1 (en) * 1994-10-14 1996-04-25 Owen Melfyn Lewis Data processing apparatus and technique

Also Published As

Publication number Publication date
GB9714677D0 (en) 2013-10-30
GB2521094A (en) 2015-06-17

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: THOMSON MARCONI SONAR LIMITED

Free format text: FORMER OWNER: GEC-MARCONI LIMITED

PE20 Patent expired after termination of 20 years

Expiry date: 20170708