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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 |
| 6441889 |
LIDAR with increased emitted laser power |
Aug. 27, 2002 |
| 6433861 |
Method and apparatus for a non-invasive measurement of the velocity of a gas or a fluid medium |
Aug. 13, 2002 |
| 6429926 |
Optical flow meter capable of operating with a variable refractive index |
Aug. 6, 2002 |
| 6424407 |
Optical translation measurement |
Jul. 23, 2002 |
| 6421116 |
Method for determining the relative movement between missile and target |
Jul. 16, 2002 |
| 6414748 |
Method for measuring the flow of fluids |
Jul. 2, 2002 |
| 6414747 |
Infrared photodetector apparatus for measuring projectile velocity |
Jul. 2, 2002 |
| 6384905 |
Optic flow sensor with fused elementary motion detector outputs |
May. 7, 2002 |
| 6369881 |
Optical flow sensor |
Apr. 9, 2002 |
| 6330057 |
Optical translation measurement |
Dec. 11, 2001 |
| 6320651 |
Method and apparatus for determining a velocity |
Nov. 20, 2001 |
| 6285445 |
Method for determining aerodynamic characteristics of a golf ball |
Sep. 4, 2001 |
| 6275284 |
Pipeline optical flow meter |
Aug. 14, 2001 |
| 6248994 |
Method and apparatus for determining angular displacement, surface translation, and twist |
Jun. 19, 2001 |
| 6244979 |
Mounting structure for a pitching practice device |
Jun. 12, 2001 |
| 6226416 |
Apparatus and method for measuring rotation quantity of spherical object |
May. 1, 2001 |
| 6226077 |
Self-calibrating precision timing circuit and method for a laser range finder |
May. 1, 2001 |
| 6222690 |
Tape speed sensor, control circuit using tape speed sensor and method of controlling tape speed sensor using control circuit |
Apr. 24, 2001 |
| 6194695 |
Photoreceptor array for linear optical flow measurement |
Feb. 27, 2001 |
| 6188469 |
Laser apparatus and method for speed measurement |
Feb. 13, 2001 |
| 6181410 |
Oscillating motor, measurement device for measuring distance, speed or direction using a laser light, and vehicle having the measurement device |
Jan. 30, 2001 |
| 6147637 |
Obstacle detecting system for automotive vehicle |
Nov. 14, 2000 |
| 6141086 |
Laser doppler velocimeter |
Oct. 31, 2000 |
| 6128072 |
Optical flow meter integrally mounted to a rigid plate with direct optical access to the interior of a pipe |
Oct. 3, 2000 |
| 6118519 |
Method for measuring the flow of fluids |
Sep. 12, 2000 |
| 6108071 |
Speed and position measurement system |
Aug. 22, 2000 |
| 6108458 |
Sparse array image correlation |
Aug. 22, 2000 |
| 6088098 |
Calibration method for a laser-based split-beam method |
Jul. 11, 2000 |
| 6064472 |
Method for speed measurement according to the laser-doppler-principle |
May. 16, 2000 |
| 6057910 |
Self-calibrating precision timing circuit and method for a laser range finder |
May. 2, 2000 |
| 6043869 |
Optical device for measuring speed |
Mar. 28, 2000 |
| 6040899 |
Optical velocimetric probe |
Mar. 21, 2000 |
| 6020594 |
Ballistic velocity measurement system having dual sensor unit with parabolic slit mirrors |
Feb. 1, 2000 |
| 6020953 |
Feature tracking linear optic flow sensor |
Feb. 1, 2000 |
| 5999256 |
Particle measurement system |
Dec. 7, 1999 |
| 5982478 |
Fluid velocity measurement apparatus |
Nov. 9, 1999 |
| 5978073 |
Optical device for detecting the characteristics of moving particles |
Nov. 2, 1999 |
| 5920024 |
Apparatus and method for coupling sound to motion |
Jul. 6, 1999 |
| 5905568 |
Stereo imaging velocimetry |
May. 18, 1999 |
| 5902348 |
Method and system for deriving travel distance of vehicle |
May. 11, 1999 |
| 5886264 |
System and method for predicting sound radiation and scattering from an arbitrarily shaped object |
Mar. 23, 1999 |
| 5883707 |
Method and device for sensing three-dimensional flow structures |
Mar. 16, 1999 |
| 5880821 |
Self-calibrating precision timing circuit and method for a laser range finder |
Mar. 9, 1999 |
| 5865871 |
Laser-based forward scatter liquid flow meter |
Feb. 2, 1999 |
| 5864393 |
Optical method for the determination of stress in thin films |
Jan. 26, 1999 |
| 5864392 |
Method for optically detecting gas bubbles moving in a coolant |
Jan. 26, 1999 |
| 5850485 |
Sparse array image correlation |
Dec. 15, 1998 |
| 5847815 |
Monostatic lidar system |
Dec. 8, 1998 |
| 5837998 |
Two-dimensional fiber optic acceleration and vibration sensor |
Nov. 17, 1998 |
| 5828444 |
Velocity measurement method and velocity measurement system using optical flow, and optical flow detection method |
Oct. 27, 1998 |
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