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Class Information
Number: 356/28.5
Name: Optics: measuring and testing > Velocity or velocity/height measuring > With light detector (e.g., photocell) > Of light interference (e.g., interferometer)
Description: Subject matter wherein the detection means is responsive to an interference pattern formed by the interaction of coherent light waves.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616294 |
Laser anemometry with improved eye safety |
Nov. 10, 2009 |
| 7616293 |
System and method for traffic monitoring, speed determination, and traffic light violation detection and recording |
Nov. 10, 2009 |
| 7586587 |
Stand-alone speedometer using two spaced laser beams |
Sep. 8, 2009 |
| 7576839 |
Range and velocity sensing system |
Aug. 18, 2009 |
| 7564539 |
Optical air data systems and methods |
Jul. 21, 2009 |
| 7561254 |
Traveling system for mobile bodies and control method therefor |
Jul. 14, 2009 |
| 7548306 |
Optical encoder, method for preparing the optical encoder, and moving speed controlling device and apparatus using the optical encoder |
Jun. 16, 2009 |
| 7545486 |
Apparatus and method for determining the closing velocity of a vehicle door |
Jun. 9, 2009 |
| 7542130 |
Moving body measuring apparatus |
Jun. 2, 2009 |
| 7535580 |
Image forming apparatus and image forming method |
May. 19, 2009 |
| 7533572 |
High bandwidth fiber optic vibration sensor |
May. 19, 2009 |
| 7523657 |
Method and device for measuring air turbulence in the surroundings of an aircraft |
Apr. 28, 2009 |
| 7522291 |
Optical air data system |
Apr. 21, 2009 |
| 7518736 |
Optical air data system |
Apr. 14, 2009 |
| 7508528 |
Optical air data system |
Mar. 24, 2009 |
| 7505121 |
Multi-beam optical range sensor and self-propelled cleaner and air-conditioner equipped with the same |
Mar. 17, 2009 |
| 7505145 |
Optical air data system |
Mar. 17, 2009 |
| 7495774 |
Optical air data system |
Feb. 24, 2009 |
| 7495822 |
Frequency shifter in an optical path containing a continuous laser source |
Feb. 24, 2009 |
| 7492351 |
Optical navigation based on laser feedback or laser interferometry |
Feb. 17, 2009 |
| 7466398 |
Optical navigation device and method thereof |
Dec. 16, 2008 |
| 7466399 |
Fiber optic flow sensing device and method |
Dec. 16, 2008 |
| 7463341 |
Method and apparatus for detecting wind velocities by means of a doppler-lidar system |
Dec. 9, 2008 |
| 7463342 |
Optical tracking device using micromirror array lenses |
Dec. 9, 2008 |
| 7450222 |
Correlated-intensity velocimeter for arbitrary reflector |
Nov. 11, 2008 |
| 7423736 |
Low-cost doppler frequency shift measuring device |
Sep. 9, 2008 |
| 7414708 |
Interferometric Rayleigh scattering measurement system |
Aug. 19, 2008 |
| 7414759 |
Scanner linearity tester |
Aug. 19, 2008 |
| 7405814 |
Frequency multiplexed, multiple channel heterodyne interferometer |
Jul. 29, 2008 |
| 7400386 |
Combined laser altimeter and ground velocity measurement apparatus |
Jul. 15, 2008 |
| 7391506 |
Laser radar device and method |
Jun. 24, 2008 |
| 7389197 |
Device for producing microwave signals |
Jun. 17, 2008 |
| 7379166 |
Combined laser altimeter and ground velocity measurement apparatus and a fiber optic filter edge detector of doppler shifts for use therein |
May. 27, 2008 |
| 7362421 |
Analysis of signal oscillation patterns |
Apr. 22, 2008 |
| 7352447 |
Active optical measurement device with weak signal amplification |
Apr. 1, 2008 |
| 7342651 |
Time modulated doublet coherent laser radar |
Mar. 11, 2008 |
| 7336368 |
Optical detecting module and optical detector thereof |
Feb. 26, 2008 |
| 7333210 |
Method and apparatus for feedback control of tunable laser wavelength |
Feb. 19, 2008 |
| 7324205 |
Optical accelerometer, gravitometer, and gradiometer |
Jan. 29, 2008 |
| 7319513 |
Stabilized solid state gyrolaser without blind region |
Jan. 15, 2008 |
| 7317538 |
Optical two-dimensional velocity and/or movement detector |
Jan. 8, 2008 |
| 7312916 |
Electrophoretic media containing specularly reflective particles |
Dec. 25, 2007 |
| 7307701 |
Method and apparatus for detecting a moving projectile |
Dec. 11, 2007 |
| 7301610 |
Gas velocity sensor |
Nov. 27, 2007 |
| 7301609 |
Measuring sonde for a hydrocarbon well |
Nov. 27, 2007 |
| 7295321 |
VISAR interferometer with field elements |
Nov. 13, 2007 |
| 7292318 |
System and method for generating thrust at remote objects |
Nov. 6, 2007 |
| 7274439 |
Precise, no-contact, position sensing using imaging |
Sep. 25, 2007 |
| 7269537 |
Infrasound sensor with disturbance filtering |
Sep. 11, 2007 |
| 7268859 |
Liquid measuring system |
Sep. 11, 2007 |
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