FI910838A - System foer hydroakustisk avstaondsmaetning. - Google Patents

System foer hydroakustisk avstaondsmaetning. Download PDF

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Publication number
FI910838A
FI910838A FI910838A FI910838A FI910838A FI 910838 A FI910838 A FI 910838A FI 910838 A FI910838 A FI 910838A FI 910838 A FI910838 A FI 910838A FI 910838 A FI910838 A FI 910838A
Authority
FI
Finland
Prior art keywords
pulses
hydro
abovementioned
predetermined
acoustic
Prior art date
Application number
FI910838A
Other languages
English (en)
Other versions
FI103612B (fi
FI103612B1 (fi
FI910838A0 (fi
Inventor
Robert E Rouquette
Original Assignee
Laitram Corp
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 US07/482,657 external-priority patent/US5031159A/en
Application filed by Laitram Corp filed Critical Laitram Corp
Publication of FI910838A0 publication Critical patent/FI910838A0/fi
Publication of FI910838A publication Critical patent/FI910838A/fi
Application granted granted Critical
Publication of FI103612B publication Critical patent/FI103612B/fi
Publication of FI103612B1 publication Critical patent/FI103612B1/fi

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  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
FI910838A 1990-02-21 1991-02-21 Hydroakustinen etäisyyden mittausjärjestelmä FI103612B1 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/482,657 US5031159A (en) 1990-02-21 1990-02-21 Hydroacoustic ranging system
US48265790 1990-02-21

Publications (4)

Publication Number Publication Date
FI910838A0 FI910838A0 (fi) 1991-02-21
FI910838A true FI910838A (fi) 1991-08-22
FI103612B FI103612B (fi) 1999-07-30
FI103612B1 FI103612B1 (fi) 1999-07-30

Family

ID=23916913

Family Applications (1)

Application Number Title Priority Date Filing Date
FI910838A FI103612B1 (fi) 1990-02-21 1991-02-21 Hydroakustinen etäisyyden mittausjärjestelmä

Country Status (5)

Country Link
CA (1) CA2036124C (fi)
DE (1) DE69125747T2 (fi)
FI (1) FI103612B1 (fi)
NO (1) NO302720B1 (fi)
NZ (1) NZ237024A (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG137726A1 (en) * 2006-06-06 2007-12-28 Sony Corp A method and apparatus for measuring distance between a target and a receiver in a ranging system
EP3610286A4 (en) * 2017-04-11 2020-09-02 Portland State University BROADBAND SOUND POSITIONING WITH PRECISION CALIBRATION AND JOINT PARAMETER ESTIMATION

Also Published As

Publication number Publication date
CA2036124A1 (en) 1991-08-22
NO910659L (no) 1991-08-22
NO910659D0 (no) 1991-02-19
DE69125747D1 (de) 1997-05-28
FI103612B (fi) 1999-07-30
FI103612B1 (fi) 1999-07-30
CA2036124C (en) 2000-05-02
DE69125747T2 (de) 1997-10-23
FI910838A0 (fi) 1991-02-21
NO302720B1 (no) 1998-04-14
NZ237024A (en) 1993-05-26

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Owner name: INPUT/OUTPUT, INC.