Electro-optical focal plane array digital sensor system

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit

Reexamination Certificate

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Details

C250S208200, C348S301000, C348S302000

Reexamination Certificate

active

11177682

ABSTRACT:
A laser beam detection and tracking system includes a focal plane array sensor providing pixel data and a field programmable gate array controller receiving the pixel data for determining a centroid of the illuminating spot of the impinging laser beam and for determining variably sized windows of interest disposed around the spot for selecting a subset of pixels of the array for communicating a subset of the pixel of a window frame of data from the array to the controller for increasing the array frame rate for reducing laser jitter during tracking of the beam for improved beam tracking performance.

REFERENCES:
patent: 4908875 (1990-03-01), Assael et al.
patent: 5452004 (1995-09-01), Roberts
patent: 5717208 (1998-02-01), Woolaway, II

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