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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 6614719 |
Ultrasonic doppler effect speed measurement |
Sep. 2, 2003 |
| 6577267 |
Device and method for contactlessly measuring speed on surfaces |
Jun. 10, 2003 |
| 6577557 |
Water column sound speed profiling system |
Jun. 10, 2003 |
| 6535158 |
Kinematic analysis of conically scanned environmental properties |
Mar. 18, 2003 |
| 6426918 |
Correlation speed sensor |
Jul. 30, 2002 |
| 6411909 |
Device for measuring the fluid consumption of a user over a given time |
Jun. 25, 2002 |
| 6388948 |
Method and system for determining underwater effective sound velocity |
May. 14, 2002 |
| 6314053 |
Method for detecting mobile objects with active sonar |
Nov. 6, 2001 |
| 6229761 |
Estimating ship velocity through the water and over the ground |
May. 8, 2001 |
| 6212129 |
Device for measuring the velocity of a variety of objects |
Apr. 3, 2001 |
| 6202034 |
Ultrasonic ranging system and method for improving accuracy thereof |
Mar. 13, 2001 |
| 6067861 |
Method and apparatus for ultrasonic doppler velocimetry using speed of sound and reflection mode pulsed wideband doppler |
May. 30, 2000 |
| 5988873 |
Portable bathymetric probe simulator |
Nov. 23, 1999 |
| 5978315 |
Feed waste detector |
Nov. 2, 1999 |
| 5910929 |
Audio railway crossing detector |
Jun. 8, 1999 |
| 5838635 |
Thin speed transducer sensor |
Nov. 17, 1998 |
| 5668776 |
Velocity measurement apparatus of moving object |
Sep. 16, 1997 |
| 5581515 |
Thin speed transducer sensor |
Dec. 3, 1996 |
| 5528234 |
Traffic monitoring system for determining vehicle dimensions, speed, and class |
Jun. 18, 1996 |
| 5521883 |
Method of remotely determining the three-dimensional velocity of a fluid such as air or water |
May. 28, 1996 |
| 5515338 |
Method and apparatus for measuring water velocities and discharges in rivers and the like |
May. 7, 1996 |
| 5504569 |
Distance-velocity predicting system |
Apr. 2, 1996 |
| 5483499 |
Broadband acoustic Doppler current profiler |
Jan. 9, 1996 |
| 5481504 |
Method and device for determining target speed and distance with frequency modulated pulses |
Jan. 2, 1996 |
| 5422860 |
Correlation sonar system |
Jun. 6, 1995 |
| 5402393 |
Non-invasive acoustic velocimetric apparatus and method |
Mar. 28, 1995 |
| 5381384 |
Vertical velocity ambiguity resolution method |
Jan. 10, 1995 |
| 5379270 |
Acoustic-optic sound velocity profiler |
Jan. 3, 1995 |
| 5339283 |
Apparatus and method for measuring velocity |
Aug. 16, 1994 |
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