Threshold Detection Method, Module and Readout Integrated Circuit Layer for LIDAR Time of Flight System Using Differentiated Gaussian Signal
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United States of America Patent
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app pub date -
Mar 26, 2012
filing date -
Mar 21, 2012
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Abandoned
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Abstract
A LIDAR device and method for determining the range of a target surface using a threshold detector circuit that differentiates the laser return signal to define a differentiated signal. The signal level crossing point or threshold is representative of the peak amplitude of the return signal. The device and method compare the signal level crossing point to a predetermined threshold level to determine the range of the target surface in a LIDAR system.
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