GB2238121B - Sonobuoy location - Google Patents

Sonobuoy location

Info

Publication number
GB2238121B
GB2238121B GB9022784A GB9022784A GB2238121B GB 2238121 B GB2238121 B GB 2238121B GB 9022784 A GB9022784 A GB 9022784A GB 9022784 A GB9022784 A GB 9022784A GB 2238121 B GB2238121 B GB 2238121B
Authority
GB
United Kingdom
Prior art keywords
sonobuoy
location
sonobuoy location
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
GB9022784A
Other versions
GB2238121A (en
GB9022784D0 (en
Inventor
John Arthur Glasgow
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi 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 GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Publication of GB9022784D0 publication Critical patent/GB9022784D0/en
Publication of GB2238121A publication Critical patent/GB2238121A/en
Application granted granted Critical
Publication of GB2238121B publication Critical patent/GB2238121B/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
    • 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
    • G01S5/30—Determining absolute distances from a plurality of spaced points of known location

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)
GB9022784A 1989-10-21 1990-10-19 Sonobuoy location Expired - Fee Related GB2238121B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898923750A GB8923750D0 (en) 1989-10-21 1989-10-21 Sonobuoy location

Publications (3)

Publication Number Publication Date
GB9022784D0 GB9022784D0 (en) 1990-12-05
GB2238121A GB2238121A (en) 1991-05-22
GB2238121B true GB2238121B (en) 1994-02-09

Family

ID=10664954

Family Applications (2)

Application Number Title Priority Date Filing Date
GB898923750A Pending GB8923750D0 (en) 1989-10-21 1989-10-21 Sonobuoy location
GB9022784A Expired - Fee Related GB2238121B (en) 1989-10-21 1990-10-19 Sonobuoy location

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB898923750A Pending GB8923750D0 (en) 1989-10-21 1989-10-21 Sonobuoy location

Country Status (1)

Country Link
GB (2) GB8923750D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2568975C1 (en) * 2014-07-24 2015-11-20 Российская Федерация, От Имени Которой Выступает Министерство Промышленности И Торговли Российской Федерации Laser-acoustic system for detecting underground objects

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1211052A (en) * 1967-12-05 1970-11-04 Krupp Gmbh Apparatus for locating underwater sound-emitting objects
GB1580393A (en) * 1976-03-29 1980-12-03 Cyr R Underwater transponder arrangement and a metho of calibrating the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1211052A (en) * 1967-12-05 1970-11-04 Krupp Gmbh Apparatus for locating underwater sound-emitting objects
GB1580393A (en) * 1976-03-29 1980-12-03 Cyr R Underwater transponder arrangement and a metho of calibrating the same

Also Published As

Publication number Publication date
GB2238121A (en) 1991-05-22
GB9022784D0 (en) 1990-12-05
GB8923750D0 (en) 1990-04-25

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Legal Events

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

Effective date: 19951019