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Class Information
Number: 356/5.15
Name: Optics: measuring and testing > Range or remote distance finding > With photodetection > Of cw phase delay > Having specific if mixing of returns
Description: Subject matter that incorporates demodulation by optically or electrically heterodyning the received signals to an intermediate frequency (IF) for further processing.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7602477 |
Radar device |
Oct. 13, 2009 |
| 7599046 |
Method for determination of a distance and distance measuring device with improvement of the effective resolution of an A/D converter by phase modulation of the measured signal |
Oct. 6, 2009 |
| 7586586 |
Fiber optically coupled, multiplexed, and chopped laser rangefinder |
Sep. 8, 2009 |
| 7576837 |
Micro-mirror optical tracking and ranging system |
Aug. 18, 2009 |
| 7471377 |
Laser distance measuring system with a shutter mechanism |
Dec. 30, 2008 |
| 7453554 |
Phase measurement method and application thereof |
Nov. 18, 2008 |
| 7450220 |
Method and system to correct motion blur and reduce signal transients in time-of-flight sensor systems |
Nov. 11, 2008 |
| 7446862 |
Door sensor system for detecting a target object |
Nov. 4, 2008 |
| 7446884 |
Method for optically detecting the spatial form of inside spaces and a device for carrying out said method |
Nov. 4, 2008 |
| 7411662 |
Systems and methods for performing active LADAR and passive high resolution imagery |
Aug. 12, 2008 |
| 7372551 |
Systems and methods for long-range, high-resolution laser radar range detection |
May. 13, 2008 |
| 7345744 |
Optical delay line to correct phase errors in coherent ladar |
Mar. 18, 2008 |
| 7339655 |
Electric optical distance wavelength meter |
Mar. 4, 2008 |
| 7336346 |
Distance measuring device and method thereof |
Feb. 26, 2008 |
| 7315355 |
Method and device for optical distance measurement |
Jan. 1, 2008 |
| 7312855 |
Combined coherent and incoherent imaging LADAR |
Dec. 25, 2007 |
| 7307700 |
Ultra-linear signal processing for radar and laser radar |
Dec. 11, 2007 |
| 7307701 |
Method and apparatus for detecting a moving projectile |
Dec. 11, 2007 |
| 7295290 |
Coherent laser radar |
Nov. 13, 2007 |
| 7283214 |
Self-mixing laser range sensor |
Oct. 16, 2007 |
| 7280186 |
High resolution chirped/AM optical FM laser radar |
Oct. 9, 2007 |
| 7224444 |
Method and device for optically measuring distance |
May. 29, 2007 |
| 7177014 |
Light wave distance measuring apparatus |
Feb. 13, 2007 |
| 7154590 |
Doppler tracking optical monopulse |
Dec. 26, 2006 |
| 7075626 |
Laser distance measuring device |
Jul. 11, 2006 |
| 7023531 |
Laser distance measuring device with phase delay measurement |
Apr. 4, 2006 |
| 6940599 |
Envelope functions for modulation spectroscopy |
Sep. 6, 2005 |
| 6917415 |
Method of and apparatus for electro-optical distance measurement |
Jul. 12, 2005 |
| 6864966 |
Method and device for measuring distances |
Mar. 8, 2005 |
| 6803998 |
Ultra low cost position and status monitoring using fiber optic delay lines |
Oct. 12, 2004 |
| 6727985 |
System and method for signal acquisition in a distance meter |
Apr. 27, 2004 |
| 6642504 |
High speed confocal microscope |
Nov. 4, 2003 |
| 6633367 |
Method and device for optoelectronic distance measurement |
Oct. 14, 2003 |
| 6608669 |
Quadrature processed LIDAR system |
Aug. 19, 2003 |
| 6603536 |
Hybrid optical correlator/digital processor for target detection and discrimination |
Aug. 5, 2003 |
| 6586748 |
Non-invasive water current measurement system and method |
Jul. 1, 2003 |
| 6584283 |
LED illumination device for a scannerless range imaging system |
Jun. 24, 2003 |
| 6512575 |
Method and a device for measuring the distance of an object |
Jan. 28, 2003 |
| 6483595 |
Three dimensional optical scanner |
Nov. 19, 2002 |
| 6469778 |
Coherent laser radar system and target measurement method |
Oct. 22, 2002 |
| 6373559 |
Optoelectronic mixer |
Apr. 16, 2002 |
| 6369880 |
Device for measuring distance using a semiconductor laser in the visible wavelength range according to the running time method |
Apr. 9, 2002 |
| 6288777 |
System and method for determining at least one physical quantity |
Sep. 11, 2001 |
| 6088086 |
Range determination for scannerless imaging |
Jul. 11, 2000 |
| 6040898 |
FMCW distance measurement process |
Mar. 21, 2000 |
| 6031601 |
Code-space optical electronic distance meter |
Feb. 29, 2000 |
| 5969254 |
Phase difference measuring apparatus and method |
Oct. 19, 1999 |
| 5940170 |
Laser scanning system |
Aug. 17, 1999 |
| 5841522 |
Phase detector |
Nov. 24, 1998 |
| 5831719 |
Laser scanning system |
Nov. 3, 1998 |
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