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Class Information
Number: 356/28
Name: Optics: measuring and testing > Velocity or velocity/height measuring > With light detector (e.g., photocell)
Description: Subject matter wherein the measuring system includes means responsive to the received light.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6844537 |
Method and device for measuring the velocity of a moving surface |
Jan. 18, 2005 |
| 6833910 |
Laser transponder |
Dec. 21, 2004 |
| 6813006 |
Stand-alone speedometer directly measuring the translational speed based on the difference between dispersive dragging effects of different media |
Nov. 2, 2004 |
| 6781110 |
Apparatus and method for measuring vehicle speed and/or acceleration |
Aug. 24, 2004 |
| 6778263 |
Methods of calibrating an imaging system using calibration beads |
Aug. 17, 2004 |
| 6765654 |
Coherent laser radar device |
Jul. 20, 2004 |
| 6765655 |
Data aquisition system and method for a laser doppler anemometer |
Jul. 20, 2004 |
| 6762827 |
Planar light sheet probes |
Jul. 13, 2004 |
| 6750444 |
Apparatus and method for measuring vehicle speed and/or acceleration |
Jun. 15, 2004 |
| 6741335 |
Optical translation measurement |
May. 25, 2004 |
| 6717172 |
Diffractive optical fluid shear stress sensor |
Apr. 6, 2004 |
| 6700652 |
Low-cost continuous-wave-laser (CW laser) digital particle image velocimetry |
Mar. 2, 2004 |
| 6683677 |
Apparatus for calculating optical flow and camera motion using correlation matching and system model in moving image |
Jan. 27, 2004 |
| 6683679 |
Optical flow monitor |
Jan. 27, 2004 |
| 6683678 |
Optic flow sensor with negative iris photoreceptor array |
Jan. 27, 2004 |
| 6678433 |
Apparatus and method for measuring residual stress and photoelastic effect of optical fiber |
Jan. 13, 2004 |
| 6675121 |
Velocity measuring system |
Jan. 6, 2004 |
| 6674517 |
Optical motion detector, transport system and transport processing system |
Jan. 6, 2004 |
| 6665063 |
Distributed laser obstacle awareness system |
Dec. 16, 2003 |
| 6654102 |
Miniature optical sensor |
Nov. 25, 2003 |
| 6653651 |
Micron resolution particle image velocimeter |
Nov. 25, 2003 |
| 6644111 |
Apparatus and method for measuring exit velocity of a gun round |
Nov. 11, 2003 |
| 6646725 |
Multiple beam lidar system for wind measurement |
Nov. 11, 2003 |
| 6643000 |
Efficient system and method for measuring target characteristics via a beam of electromagnetic energy |
Nov. 4, 2003 |
| 6642999 |
Method and device for analyzing flows |
Nov. 4, 2003 |
| 6636577 |
Laser induced fluorescence water measurement system for nuclear reactors |
Oct. 21, 2003 |
| 6618128 |
Optical speed sensing system |
Sep. 9, 2003 |
| 6614536 |
Arrangement and method for simultaneous measurement of the speed as well as the surface shape of moving objects |
Sep. 2, 2003 |
| 6611319 |
Optical flow sensor using a fast correlation algorithm |
Aug. 26, 2003 |
| 6608668 |
Sub miniaturized laser doppler velocimeter sensor |
Aug. 19, 2003 |
| 6603535 |
Stereo imaging velocimetry system and method |
Aug. 5, 2003 |
| 6586748 |
Non-invasive water current measurement system and method |
Jul. 1, 2003 |
| 6570647 |
Measuring method and measuring system |
May. 27, 2003 |
| 6570646 |
Optical distance measurement device and method thereof |
May. 27, 2003 |
| 6556854 |
Blood vessel imaging system using homodyne and heterodyne effects |
Apr. 29, 2003 |
| 6549274 |
Method and device for flow analysis |
Apr. 15, 2003 |
| 6542226 |
Planar particle imaging and doppler velocimetry system and method |
Apr. 1, 2003 |
| 6542227 |
System and method of measuring flow velocity in three axes |
Apr. 1, 2003 |
| 6539342 |
Sorting objects based on physical characteristics |
Mar. 25, 2003 |
| 6535276 |
Method for measuring the velocity of particles in a fluid medium in motion |
Mar. 18, 2003 |
| 6532061 |
Measuring the velocity of small moving objects such as cells |
Mar. 11, 2003 |
| 6530286 |
Method and apparatus for measuring fluid flow |
Mar. 11, 2003 |
| 6522397 |
Method and a device for measuring speed by the doppler effect |
Feb. 18, 2003 |
| 6509866 |
Fast chirp transform |
Jan. 21, 2003 |
| 6507391 |
Measuring the velocity of small moving objects such as cells |
Jan. 14, 2003 |
| 6493068 |
Optic flow sensor with negative iris photoreceptor array |
Dec. 10, 2002 |
| 6490027 |
Reduced noise optical system and method for measuring distance |
Dec. 3, 2002 |
| 6469787 |
Dynamic light scattering homodyne probe |
Oct. 22, 2002 |
| 6461701 |
Flexible belts having embedded sensor fibers |
Oct. 8, 2002 |
| 6452535 |
Method and apparatus for impact crash mitigation |
Sep. 17, 2002 |
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