Patent ID: 6133989
Filing Date: 2000-10-17
Classification: G01S

Abstract:
A device for imaging sections of a three dimensional objects immersed in a light conducting medium comprising:a pulsed light source;means for transmitting light from said pulsed light source into said medium;optics for collecting light from said medium during the time for light to transit from said pulsed light source, reflect from said objects and be collected by said optics;a sensor means for detecting said collected light, said sensor means comprisingmeans for converting said collected light into electrical charge,a hybrid comprisingmultiplexing and output circuitry,a plurality of collection or detection means for collecting or detecting the electrical charge from said conversion means,a plurality of unit cell processing electronics comprising a plurality of analog memory units, each storing data related to a distinct transit time for a reflected laser pulse from an target pixel, and output amplifier electronics adapted to provide signals to output and multiplexing electronics,drive electronics for providing voltages and for providing timing for said output amplifier electronics and said output and multiplexing circuitry, andoutput electronics for conditioning the signals from said memory units for data processing;a computer for processing data from said output electronics for real time display.