OPTICAL DISTANCE MEASUREMENT DEVICE
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United States of America Patent
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app pub date -
Mar 19, 2015
filing date -
Mar 27, 2012
priority date (Note) -
Abandoned
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Abstract
Optical range finders are configured to transmit optical bursts toward a target and detect a corresponding received burst. DC offset in the received burst due to square law detection can be offset based on a difference between high pass and low pass filtered portions of the received burst. Edge records associated with bursts can be obtained, and correlated with a reference signal or waveform to obtain a range estimate.
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