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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 |
| 5101112 |
Method of and apparatus for measuring a velocity vector by use of a spatial filter |
Mar. 31, 1992 |
| 5090801 |
Laser velocimeter for near-surface measurements |
Feb. 25, 1992 |
| 5082365 |
Remote identification and speed determination system |
Jan. 21, 1992 |
| 5075864 |
Speed and direction sensing apparatus for a vehicle |
Dec. 24, 1991 |
| 5046840 |
Improvements in a system for determining atmospheric data relating to the movements of an airborne vehicle |
Sep. 10, 1991 |
| 5020903 |
Optical correlation-type velocity measurement apparatus |
Jun. 4, 1991 |
| 5016643 |
Vascular entoptoscope |
May. 21, 1991 |
| 5014131 |
Vector filter for optical moving target detection |
May. 7, 1991 |
| 5011278 |
Optical correlator method and apparatus for particle image velocimetry processing |
Apr. 30, 1991 |
| 5002389 |
Pulsed fluorescence velocimeter |
Mar. 26, 1991 |
| 5000566 |
Optical velocimeter |
Mar. 19, 1991 |
| 4989969 |
Time of flight velocimeter |
Feb. 5, 1991 |
| 4988191 |
Electro-optical method and system for determining the direction of motion in double-exposure velocimetry by shifting an optical image field |
Jan. 29, 1991 |
| 4988190 |
Absorption line filter window and method for velocity measurements by light scattering |
Jan. 29, 1991 |
| 4979818 |
Apparatus for measuring movement of light scattering bodies in an object |
Dec. 25, 1990 |
| 4978221 |
Laser distance and altitude measuring apparatus |
Dec. 18, 1990 |
| 4978863 |
Method and apparatus for fiber optic backscattered light measurement to determine flow rates of multi-phase streams |
Dec. 18, 1990 |
| 4963498 |
Capillary flow device |
Oct. 16, 1990 |
| 4963019 |
Groundwater azimuth detection |
Oct. 16, 1990 |
| 4961643 |
Method of and apparatus for measuring speed |
Oct. 9, 1990 |
| 4946242 |
Optical part including integral combination of optical fiber and light emitting or receiving element and method of manufacturing the same |
Aug. 7, 1990 |
| 4925296 |
Method of, and apparatus for measuring the flow velocity in wind tunnels |
May. 15, 1990 |
| 4925297 |
Three-dimensional laser velocimeter simultaneity detector |
May. 15, 1990 |
| 4923298 |
Device for measuring the speed of moving light-scattering objects |
May. 8, 1990 |
| 4921345 |
Spatial filter type speed measuring apparatus |
May. 1, 1990 |
| 4919536 |
System for measuring velocity field of fluid flow utilizing a laser-doppler spectral image converter |
Apr. 24, 1990 |
| 4912519 |
Laser speckle velocity-measuring apparatus |
Mar. 27, 1990 |
| 4895442 |
Velocimeter with an optical fiber mosaic |
Jan. 23, 1990 |
| 4880966 |
Tachometer sensor using a lens system to a in sensing the rotational speed of an object |
Nov. 14, 1989 |
| 4875770 |
Wind shear detector |
Oct. 24, 1989 |
| 4875769 |
Velocimeter for a printing press web |
Oct. 24, 1989 |
| 4870267 |
Ambient light sensitive activator |
Sep. 26, 1989 |
| 4866639 |
Method and apparatus for determining the direction of motion in multiple exposure velocimetry |
Sep. 12, 1989 |
| 4864515 |
Electronic sensing screen for measuring projectile parameters |
Sep. 5, 1989 |
| 4859055 |
Laser velocimeter |
Aug. 22, 1989 |
| 4856895 |
Method and apparatus for headbox jet velocity measurement |
Aug. 15, 1989 |
| 4851697 |
Apparatus for measuring flow vectors in gas currents |
Jul. 25, 1989 |
| 4849917 |
Speed difference measurement in strip casting |
Jul. 18, 1989 |
| 4850041 |
Laser radar with adjustable local oscillator |
Jul. 18, 1989 |
| 4843564 |
Apparatus and method for measuring frequency of coherent component of a composite signal |
Jun. 27, 1989 |
| 4840486 |
Apparatus for measuring flow vectors in gas currents |
Jun. 20, 1989 |
| 4827123 |
Direction sensitive optical shaft encoder |
May. 2, 1989 |
| 4812643 |
Detector device for a blade tracking system having two sensors |
Mar. 14, 1989 |
| 4807164 |
Apparatus for measuring and controlling velocity |
Feb. 21, 1989 |
| 4804268 |
Method of measuring the interaction between walls and fluid |
Feb. 14, 1989 |
| 4804263 |
Process for measuring flow vectors in gas currents |
Feb. 14, 1989 |
| 4790230 |
Low profile keyboard device and system for recording and scoring music |
Dec. 13, 1988 |
| 4770527 |
Photoelectric-piezoelectric velocity and impact sensor |
Sep. 13, 1988 |
| 4767164 |
Fiber optic rotation rate encoder |
Aug. 30, 1988 |
| 4766323 |
Method and apparatus for determining the distance of an object |
Aug. 23, 1988 |
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