Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate
2007-03-05
2009-12-01
Luu, Thanh X (Department: 2878)
Radiant energy
Photocells; circuits and apparatus
Photocell controls its own optical systems
C250S216000, C359S383000, C356S310000, C356S328000
Reexamination Certificate
active
07626150
ABSTRACT:
A sensor assembly including a detector; a first arrangement for enhancing the resolution of the detector; and a second arrangement for increasing the field-of-view of the detector. In a specific implementation, the detector is a focal plane array of detectors, the first arrangement is a Hadamard mask and the second arrangement is a telescope array with a field-bias element operationally coupled thereto. The field bias optical element is implemented with a prism and grating such as a grism. An arrangement is included for actuating the mask to selectively enable a desired level of resolution and another arrangement is included for actuating the field bias element to select a desired field of view. An arrangement for effecting image motion compensation is included along with an imager, an image processor and a data processor. The telescope array may include refractive elements, reflective elements, and/or catadioptric elements. Likewise, the imager may be refractive, reflective and/or catadioptric.
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Anderson J. Steve
Chen Chungte W.
Alkov Leona A.
Legasse Jr. Francis M
Luu Thanh X
Raytheon Company
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