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Browse by Category: Main > Optical & Optics
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:
1 2 3 4

Patent Number Title Of Patent Date Issued
8687174 Unit pixel, photo-detection device and method of measuring a distance using the same Apr. 1, 2014
8687173 Compact fiber optic geometry for a counter chirp FMCW coherent laser radar Apr. 1, 2014
8654315 Differential focus blade clearance probe Feb. 18, 2014
8319951 Local positioning system Nov. 27, 2012
8279416 Optoelectronic sensor Oct. 2, 2012
8279415 Method and apparatus for distance measurement using optical beam Oct. 2, 2012
8194233 Method and system to reduce stray light reflection error in time-of-flight sensor arrays Jun. 5, 2012
8184269 Input device with photosensitive elements and method for inputting information thereby May. 22, 2012
8179522 Distance measuring device May. 15, 2012
8139203 Method of scanning a scene and corresponding scanning device Mar. 20, 2012
8134692 Fog detector and method of placing detector in vehicle Mar. 13, 2012
8130368 Distance measuring apparatus Mar. 6, 2012
8130367 Laser ranging, tracking and designation using 3-D focal planes Mar. 6, 2012
8120754 Light detection and ranging apparatus Feb. 21, 2012
8107057 Passive imaging system equipped with a range finder Jan. 31, 2012
8094292 Cross-chirped interferometry system and method for light detection and ranging Jan. 10, 2012
8085388 Laser radar projection with object feature detection and ranging Dec. 27, 2011
8085987 Method and tool for surface texture evaluation Dec. 27, 2011
8081300 Apparatus and method for laser ranging Dec. 20, 2011
8072613 System for measuring the inner space of a container and method of performing the same Dec. 6, 2011
8054451 Method and system for designating a target and generating target-related action Nov. 8, 2011
8049869 Dual FOV imaging semi-active laser system Nov. 1, 2011
8031333 Entangled-photon range finding system and method Oct. 4, 2011
8018580 Laser range finding device and distance measurement method thereof Sep. 13, 2011
7999925 Optical sight Aug. 16, 2011
7982860 Distance measuring device and method for determining a distance Jul. 19, 2011
7978315 Range finder Jul. 12, 2011
7973912 Binary modulation rangefinder Jul. 5, 2011
7969559 Laser distance measuring apparatus and control method thereof Jun. 28, 2011
7965384 Clutter rejection in active object detection systems Jun. 21, 2011
7956988 Light detection and ranging systems and related methods Jun. 7, 2011
7952689 Method and arrangement for performing triggering and timing of triggering May. 31, 2011
7952688 Multi-waveband sensor system and methods for seeking targets May. 31, 2011
7952690 Method and system for acquiring a 3-D image of a scene May. 31, 2011
7940378 Hand-held laser distance measuring device with a pulse reflection mixing method May. 10, 2011
7936449 Method and system for fast calibration of three-dimensional (3D) sensors May. 3, 2011
7929118 Method for geodetic monitoring of rails Apr. 19, 2011
7924411 3-D imaging system Apr. 12, 2011
7911593 Range finder/velocimeter and range-finding/velocimetry method Mar. 22, 2011
7903236 Optical member driving apparatus for laser radar Mar. 8, 2011
7894042 Omni-directional imaging sensor Feb. 22, 2011
7889325 Vehicle-purpose object sensing apparatus Feb. 15, 2011
7880865 Laser radar apparatus for three-dimensional detection of objects Feb. 1, 2011
7869006 Laser measuring device Jan. 11, 2011
7869007 Ranging apparatus and ranging method Jan. 11, 2011
7864303 Method for electronic measurement Jan. 4, 2011
7864304 Beam irradiation device, laser radar system, and detecting device Jan. 4, 2011
7859652 Sight-line end estimation device and driving assist device Dec. 28, 2010
7859649 Laser range sensor system optics adapter and method Dec. 28, 2010
7852463 Range measurement device Dec. 14, 2010

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