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Class Information
Number: 367/89
Name: Communications, electrical: acoustic wave systems and devices > Echo systems > Speed determination
Description: Subject matter for determining the rate of change of distance between a transmitting-receiving device and the acoustic wave reflector.

Sub-classes under this class:

Class Number Class Name Patents
367/90 By doppler effect 117

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8659975 Vibration generation and detection in shear wave dispersion ultrasound vibrometry with large background motions Feb. 25, 2014
8625392 Method and system for remote sound speed measurement Jan. 7, 2014
8514660 Range sensor optimized for wind speed Aug. 20, 2013
8400875 Active sonar system and active sonar method using a pulse sorting transform Mar. 19, 2013
8385152 Method and system for remote sound speed measurement Feb. 26, 2013
8382540 Method and apparatus for controlling the motion of an autonomous moored profiler Feb. 26, 2013
8335129 System and method to extend deep water correlation sonar systems to shallow depths Dec. 18, 2012
8212656 Vehicle presence notification apparatus Jul. 3, 2012
8213740 Coherent image correlation Jul. 3, 2012
8205503 Method and apparatus for detecting the rotational speed of a rotary member Jun. 26, 2012
8134887 Directional acoustic density sensor Mar. 13, 2012
8130592 Correlation method for SONAR or RADAR Mar. 6, 2012
8125849 Integrated multi-beam acoustic doppler discharge measurement system Feb. 28, 2012
RE43090 Acoustic Doppler channel flow measurement system Jan. 10, 2012
8004934 Spatial correlation sonar method for high ships speeds Aug. 23, 2011
7902968 Obstacle detection device Mar. 8, 2011
7839720 System and method for acoustic doppler velocity processing with a phased array transducer including using differently coded transmit pulses in each beam so that the cross-coupled side lobe err Nov. 23, 2010
7791529 System for estimating the speed of an aircraft, and an application thereof to detecting obstacles Sep. 7, 2010
7778111 Methods and systems for underwater navigation Aug. 17, 2010
7768873 Combined spatial-temporal correlation SONAR Aug. 3, 2010
7768874 System and method of horizontal wave measurement Aug. 3, 2010
7738318 Method and apparatus for fault-tolerant, correlation SONAR processing Jun. 15, 2010
7720629 Method and system for measuring flow layer velocities using correlation velocity measuring sonar May. 18, 2010
7613072 System and method for determining directional and non-directional fluid wave and current measurements Nov. 3, 2009
7606113 Modeling sound propagation for underwater test areas Oct. 20, 2009
7539082 System and method for acoustic Doppler velocity processing with a phased array transducer including using a wide bandwidth pulse transmission to resolve ambiguity in a narrow bandwidth velocit May. 26, 2009
7525875 Method for all ocean-terrain ships covert velocity reference Apr. 28, 2009
7518543 Method for determining positions of targets by bistatic measurements using signals scattered by the targets Apr. 14, 2009
7495996 Method for improved sonar velocity processing Feb. 24, 2009
7379387 System and method of horizontal wave measurement May. 27, 2008
7317659 Measurement of air characteristics in the lower atmosphere Jan. 8, 2008
7295492 Method and apparatus for correlation sonar Nov. 13, 2007
7248962 System for influencing the speed of a motor vehicle Jul. 24, 2007
7194390 Predictor of minimal noise figure for wideband amplifier Mar. 20, 2007
7187320 Matched maneuver detector Mar. 6, 2007
7161871 Method for determining ocean current and associated device Jan. 9, 2007
7133327 Method and system for measuring the velocity of a vessel relative to the bottom using velocity measuring correlation sonar Nov. 7, 2006
7123544 Assembly and method for determining speed of a supercavitating underwater vehicle Oct. 17, 2006
7095359 Method of observing sea ice Aug. 22, 2006
7058555 Predictor for optimal selective power transfer Jun. 6, 2006
7030806 Time domain radio transmission system Apr. 18, 2006
6941196 Modified three lobe search method Sep. 6, 2005
6859659 Estimation of vector velocity Feb. 22, 2005
6850186 System for determining position and velocity of targets from signals scattered by the targets Feb. 1, 2005
6804167 Bi-directional temporal correlation SONAR Oct. 12, 2004
6738312 Arrangement and method for measuring the speed of sound May. 18, 2004
6725076 Vector velocity estimation using directional beam forming and cross correlation Apr. 20, 2004
6714482 Acoustic doppler channel flow measurement system Mar. 30, 2004
6678208 Range computations for correlation speed sensor Jan. 13, 2004
6671225 Correlation speed sensor Dec. 30, 2003

1 2 3

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