Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate
2006-09-05
2008-08-12
Epps, Georgia Y. (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
C250S203100, C382S103000, C701S222000
Reexamination Certificate
active
07411167
ABSTRACT:
A method to dynamically stabilize a target image formed on an image plane of an imaging device located in a moving vehicle. The method includes setting an origin in the image plane of the imaging device at an intersection of a first axis, a second axis and a third axis, imaging a target so that an image centroid of the target image is at the origin of the image plane, monitoring sensor data indicative of a motion of the vehicle, and generating pan and tilt output to stabilize the image centroid at the origin in the image plane to compensate for vehicle motion and target motion. The pan and tilt output are generated by implementing exponentially stabilizing control laws. The implementation of the exponentially stabilizing control laws is based at least in part on the sensor data.
REFERENCES:
patent: 4739401 (1988-04-01), Sacks et al.
patent: 2007/0286456 (2007-12-01), Ariyur et al.
Ariyur Kartik B
Bedros Saad J.
Morellas Vassilios
Epps Georgia Y.
Fogg & Powers LLC
Honeywell International , Inc.
Ko Tony
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