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MY164615A - Acoustic reflectors - Google Patents

Acoustic reflectors

Info

Publication number
MY164615A
MY164615A MYPI2012005353A MYPI2012005353A MY164615A MY 164615 A MY164615 A MY 164615A MY PI2012005353 A MYPI2012005353 A MY PI2012005353A MY PI2012005353 A MYPI2012005353 A MY PI2012005353A MY 164615 A MY164615 A MY 164615A
Authority
MY
Malaysia
Prior art keywords
shell
reflector
reflectors
underwater
water
Prior art date
Application number
MYPI2012005353A
Inventor
Carl Peter Tiltman
Andrew Malcolm Tulloch
Original Assignee
Subsea Asset Location Tech Limited
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 GBGB1011939.4A external-priority patent/GB201011939D0/en
Priority claimed from GBGB1015563.8A external-priority patent/GB201015563D0/en
Priority claimed from GBGB1015705.5A external-priority patent/GB201015705D0/en
Priority claimed from GBGB1015815.2A external-priority patent/GB201015815D0/en
Priority claimed from GB201015952A external-priority patent/GB201015952D0/en
Priority claimed from GB201020535A external-priority patent/GB201020535D0/en
Priority claimed from GB201100753A external-priority patent/GB201100753D0/en
Priority claimed from GB201100759A external-priority patent/GB201100759D0/en
Priority claimed from GB201101279A external-priority patent/GB201101279D0/en
Priority claimed from GB201101278A external-priority patent/GB201101278D0/en
Priority claimed from GB201102847A external-priority patent/GB201102847D0/en
Priority claimed from GB201107588A external-priority patent/GB201107588D0/en
Application filed by Subsea Asset Location Tech Limited filed Critical Subsea Asset Location Tech Limited
Publication of MY164615A publication Critical patent/MY164615A/en

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

AN ACOUSTIC REFLECTOR PRIMARILY FOR UNDERWATER USE COMPRISING A SHELL(12) SURROUNDING A CORE(16) IN WHICH HOLES(20) ARE PROVIDED IN THE SHELL(12) TO ALLOW AIR AND WATER FREELY TO ENTER AND LEAVE THE INTERIOR OF THE SHELL(12) WHEN THE REFLECTOR IS IMMERSED IN WATER. VARIOUS EMBODIMENTS ARE DESCRIBED INCLUDING THE USE OF A METAL OF A METAL SHELL MATCHED TO A WATER CORE, THE USE OF A MOUNTING BAR(40), PROVISION OF A FRAME(60) TO REFLECT ACOUSTICALLY ALPHA NUMERIC CHARACTERS, A SOLUBLE PLUG TO DELAY OPERATION OF THE REFLECTOR, AND COATING THE REFLECTOR WITH POLYURETHANCE TO LIMIT DAMAGE. ALSO PROPOSED IS A PULSE PATTERN TO IMPROVE THE IDENTIFICATION OF AN ACOUSTIC REFLECTOR IN SOME CIRCUMSTANCES. DESIGNS OF REFLECTORS PARTICULARLY SUITABLE FOR USE WITH THE RELATIVELY LOW FREQUENCY SONARS FOUND IN THE FISHING INDUSTRY WITH AN ALUMINIUM OR ALUMINIUM ALLOY SHELL ARE DESCRIBED, AS ARE REFLECTORS WITH A NON-METAL SHELL SUITABLE FOR USE WITH THE HIGHER FREQUENCY SONARS IN THE UNDERWATER EXPLORATION INDUSTRY. THE REFLECTORS CAN BE SPHERICAL, TOROIDAL, OVOID, OR CYLINDRICAL PROVIDED THAT THEY HAVE AT LEAST ON CIRCULAR CROSS SECTION. A PARTICULARLY IMPORTANT DEVELOPMENT WITH THE CURRENT INVENTION IS THE ABILITY TO MARK AND TRACE UNDERWATER NON-FERROMAGNETIC PIPES. THE MOST ILLUSTRATIVE DRAWING IS
MYPI2012005353A 2010-07-16 2011-07-11 Acoustic reflectors MY164615A (en)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
GBGB1011939.4A GB201011939D0 (en) 2010-07-16 2010-07-16 Acoustic reflectors
GBGB1015563.8A GB201015563D0 (en) 2010-09-17 2010-09-17 Acoustic reflectors
GBGB1015705.5A GB201015705D0 (en) 2010-09-20 2010-09-20 Acoustic reflectors
GBGB1015815.2A GB201015815D0 (en) 2010-09-21 2010-09-21 Acoustic reflectors
GB201015952A GB201015952D0 (en) 2010-09-23 2010-09-23 Acoustic reflectors
GB201020535A GB201020535D0 (en) 2010-07-16 2010-12-03 Acoustic reflectors
GB201100753A GB201100753D0 (en) 2011-01-18 2011-01-18 Acoustic reflectors
GB201100759A GB201100759D0 (en) 2011-01-18 2011-01-18 Acoustic reflectors
GB201101279A GB201101279D0 (en) 2011-01-25 2011-01-25 Acoustic reflectors
GB201101278A GB201101278D0 (en) 2011-01-25 2011-01-25 Underwater acoustic reflectors and their identification
GB201102847A GB201102847D0 (en) 2011-02-18 2011-02-18 Acoustic reflectors
GB201107588A GB201107588D0 (en) 2010-07-16 2011-05-09 Acoustic reflectors

Publications (1)

Publication Number Publication Date
MY164615A true MY164615A (en) 2018-01-30

Family

ID=47930689

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2012005353A MY164615A (en) 2010-07-16 2011-07-11 Acoustic reflectors

Country Status (2)

Country Link
CN (1) CN103003873B (en)
MY (1) MY164615A (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3447627A (en) * 1967-09-29 1969-06-03 Us Navy Underwater sound reflector apparatus
US4176355A (en) * 1978-01-12 1979-11-27 Harris Stanley R Radiation reflecting target surface
FR2656720B1 (en) * 1989-12-29 1992-03-20 Thomson Csf ACOUSTIC WAVE REFLECTOR WHICH CAN OPERATE UNDER STRONG IMMERSION.
US5454742A (en) * 1993-11-30 1995-10-03 Robertson; James H. Radar reflective buoy and method of manufacturing the same
GB2422282A (en) * 2005-01-14 2006-07-19 Secr Defence Acoustic reflector
RU2495501C2 (en) * 2008-04-02 2013-10-10 Государственный Секретарь По Обороне Tunable acoustic reflector

Also Published As

Publication number Publication date
CN103003873B (en) 2015-03-04
CN103003873A (en) 2013-03-27

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