Television – Camera – system and detail – Optics
Reexamination Certificate
2003-04-29
2010-11-09
Selby, Gevell (Department: 2622)
Television
Camera, system and detail
Optics
C348S231990
Reexamination Certificate
active
07830442
ABSTRACT:
A lidar pulse is time resolved in ways that avoid costly, fragile, bulky, high-voltage vacuum devices—and also costly, awkward optical remappers or pushbroom layouts—to provide preferably 3D volumetric imaging from a single pulse, or full-3D volumetric movies. Delay lines or programmed circuits generate time-resolution sweep signals, ideally digital. Preferably, discrete 2D photodiode and transimpedance-amplifier arrays replace a continuous 1D streak-tube cathode. For each pixel a memory-element array forms range bins. An intermediate optical buffer with low, well-controlled capacitance avoids corruption of input signal by these memories.
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Fetzer Gregory
Gelbart Asher
Griffis Andrew
Redman Brian
Sitter David
Areté Associates
Lippman Peter I.
Selby Gevell
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