Maryland's Defense Patent Database

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Micro-mirror optical tracking and ranging system

Patent image
ARL

A micro-mirror optical tracking and ranging system comprises an optical transceiver having a Micro-Electro-Optical Mechanical System (MEOMS) micro-mirror beam steering system and an electronic control and operating system for processing electronic signals. An optical transceiver and MEOMS micro-mirror beam steering system comprises two oppositely installed micro-mirrors controlled so that they spin and tilt synchronously and project a laser beam out in a wide solid angle and interval in a substantially conically shaped scanning pattern. Such an optical transmitter system provides a steered frequency-modulated continuous-wave (FMCW) laser beam. When a laser beam waveform reflects off of an object within the scanned patter it is detected by the optical receiver an electronic control and operating system processes the detected laser beam waveform by mixing it with the original transmitted laser beam waveform and calculates the precise distance and location of the object.

Inventors: 
Liu, Jony Jiang; Von Der, Lippe Christian
Patent Number: 
Technical domain: 
Sensors and Measurement
FIle Date: 
2007-08-27
Grant Date: 
2009-08-18
Grant time: 
722 days
Grant time percentile rank: 
13
Claim count percentile rank: 
4
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US ARMY