GB0913321D0 - Underwater signal direction determination - Google Patents

Underwater signal direction determination

Info

Publication number
GB0913321D0
GB0913321D0 GBGB0913321.6A GB0913321A GB0913321D0 GB 0913321 D0 GB0913321 D0 GB 0913321D0 GB 0913321 A GB0913321 A GB 0913321A GB 0913321 D0 GB0913321 D0 GB 0913321D0
Authority
GB
United Kingdom
Prior art keywords
direction determination
signal direction
underwater signal
underwater
determination
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.)
Granted
Application number
GBGB0913321.6A
Other versions
GB2459218B (en
GB2459218A (en
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.)
WFS Technologies Ltd
Original Assignee
WFS Technologies 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 GB0511944A external-priority patent/GB0511944D0/en
Priority claimed from GB0724359A external-priority patent/GB2441269B/en
Application filed by WFS Technologies Ltd filed Critical WFS Technologies Ltd
Publication of GB0913321D0 publication Critical patent/GB0913321D0/en
Publication of GB2459218A publication Critical patent/GB2459218A/en
Application granted granted Critical
Publication of GB2459218B publication Critical patent/GB2459218B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01S3/02—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 radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • 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
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/04—Adaptation for subterranean or subaqueous use

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB0913321A 2005-06-13 2009-07-31 Underwater signal direction determination Expired - Fee Related GB2459218B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0511944A GB0511944D0 (en) 2005-06-13 2005-06-13 Underwater remote sensing
US69096405P 2005-06-15 2005-06-15
GB0724359A GB2441269B (en) 2005-06-13 2007-12-14 Underwater remote sensing

Publications (3)

Publication Number Publication Date
GB0913321D0 true GB0913321D0 (en) 2009-09-02
GB2459218A GB2459218A (en) 2009-10-21
GB2459218B GB2459218B (en) 2010-01-06

Family

ID=41125668

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0913321A Expired - Fee Related GB2459218B (en) 2005-06-13 2009-07-31 Underwater signal direction determination

Country Status (1)

Country Link
GB (1) GB2459218B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2460084C1 (en) * 2011-07-29 2012-08-27 Александр Абрамович Часовской Apparatus for processing radar signals
CZ304613B6 (en) * 2013-05-29 2014-07-30 České Vysoké Učení Technické V Praze, Fakulta Elektrotechnická System for vector measurement of electromagnetic field intensity
GB201813169D0 (en) * 2018-08-13 2018-09-26 Wfs Tech Limited Underwater navigation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5077703A (en) * 1991-01-08 1991-12-31 David Strauss Underwater guidance system
GB0100103D0 (en) * 2001-01-03 2001-02-14 Flight Refueling Ltd Subsea communication

Also Published As

Publication number Publication date
GB2459218B (en) 2010-01-06
GB2459218A (en) 2009-10-21

Similar Documents

Publication Publication Date Title
GB2443565B (en) Underwater navigation
EP1883045A4 (en) Signal processor
PL1893477T3 (en) Ship
EP1926221A4 (en) Signal transmitter
GB0613611D0 (en) Flexible hydrophone
GB0504500D0 (en) Signal processing arrangement
EP1958341A4 (en) Echo detection
GB2430743B (en) Underwater sounding apparatus
GB2426397B (en) Signal detector
GB2441269B (en) Underwater remote sensing
GB0504552D0 (en) Signal detection techniques
GB0500530D0 (en) Position transducer
GB0526381D0 (en) Transducer
GB0514521D0 (en) Buoyancy systems
GB2459218B (en) Underwater signal direction determination
EP1861310A4 (en) Hybridhull boat system
GB2462543B (en) Underwater navigation
GB0514550D0 (en) Underwater module
GB2426264B (en) Underwater deployment system
GB2431508B (en) Whistle
ZA200902635B (en) Acoustic underwater antenna
GB0511941D0 (en) Underwater navigation
GB0506769D0 (en) Underwater bridge
AU3267P (en) Fanfare Gaillardia xgrandiflora
GB0511944D0 (en) Underwater remote sensing

Legal Events

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

Effective date: 20140609