GB2485492B - Underwater detector - Google Patents

Underwater detector

Info

Publication number
GB2485492B
GB2485492B GB201122409A GB201122409A GB2485492B GB 2485492 B GB2485492 B GB 2485492B GB 201122409 A GB201122409 A GB 201122409A GB 201122409 A GB201122409 A GB 201122409A GB 2485492 B GB2485492 B GB 2485492B
Authority
GB
United Kingdom
Prior art keywords
underwater detector
underwater
detector
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.)
Active
Application number
GB201122409A
Other versions
GB2485492A (en
GB201122409D0 (en
Inventor
Tatsuo Hayashi
Kazuhiko Kamel
Kouzo Tokuyama
Hiromune Matsumoto
Kenichi Watanabe
Wataru Kiyan
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.)
Furuno Electric Co Ltd
Original Assignee
Furuno Electric 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
Priority claimed from JP2008009930A external-priority patent/JP5219526B2/en
Priority claimed from JP2008072326A external-priority patent/JP2009229141A/en
Application filed by Furuno Electric Co Ltd filed Critical Furuno Electric Co Ltd
Publication of GB201122409D0 publication Critical patent/GB201122409D0/en
Publication of GB2485492A publication Critical patent/GB2485492A/en
Application granted granted Critical
Publication of GB2485492B publication Critical patent/GB2485492B/en
Active 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/10—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves
    • G01S15/102—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics
    • G01S15/107—Systems for measuring distance only using transmission of interrupted, pulse-modulated waves using transmission of pulses having some particular characteristics using frequency agility of carrier wave
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52003—Techniques for enhancing spatial resolution of targets
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals
    • G01S7/5273—Extracting wanted echo signals using digital techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB201122409A 2008-01-19 2009-01-19 Underwater detector Active GB2485492B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008009930A JP5219526B2 (en) 2008-01-19 2008-01-19 Underwater detector
JP2008072326A JP2009229141A (en) 2008-03-19 2008-03-19 Underwater detector

Publications (3)

Publication Number Publication Date
GB201122409D0 GB201122409D0 (en) 2012-02-08
GB2485492A GB2485492A (en) 2012-05-16
GB2485492B true GB2485492B (en) 2012-08-29

Family

ID=40446019

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0900854A Active GB2456426B (en) 2008-01-19 2009-01-19 Underwater detector
GB201122409A Active GB2485492B (en) 2008-01-19 2009-01-19 Underwater detector

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0900854A Active GB2456426B (en) 2008-01-19 2009-01-19 Underwater detector

Country Status (1)

Country Link
GB (2) GB2456426B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9857464B2 (en) 2014-07-01 2018-01-02 Furuno Electric Co., Ltd. Device, method and program for processing signal, underwater detecting device and radar apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0890849A1 (en) * 1997-07-10 1999-01-13 Imra Europe S.A. Acoustic lobe pattern combination method for improving mapping quality

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3824531A (en) * 1973-01-15 1974-07-16 Raytheon Co Plural beam steering system
JP4184219B2 (en) * 2003-09-30 2008-11-19 古野電気株式会社 Ultrasonic transceiver and scanning sonar

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0890849A1 (en) * 1997-07-10 1999-01-13 Imra Europe S.A. Acoustic lobe pattern combination method for improving mapping quality

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9857464B2 (en) 2014-07-01 2018-01-02 Furuno Electric Co., Ltd. Device, method and program for processing signal, underwater detecting device and radar apparatus

Also Published As

Publication number Publication date
GB2456426A (en) 2009-07-22
GB2485492A (en) 2012-05-16
GB2456426B (en) 2012-02-22
GB201122409D0 (en) 2012-02-08
GB0900854D0 (en) 2009-03-04

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