Television – Camera – system and detail – Optics
Reexamination Certificate
2011-07-12
2011-07-12
Vu, Ngoc-Yen T (Department: 2622)
Television
Camera, system and detail
Optics
C348S374000
Reexamination Certificate
active
07978251
ABSTRACT:
An optical system for a CMOS sensor includes an aspherical lens with which an exit pupil distance appears short in a central region of an imaging plane and long in a peripheral region of the imaging plane. The aspherical lens functions such that the exit pupil distance monotonously increases from a central region of the imaging plane toward a peripheral region of the imaging plane. In addition, pupil correction is performed in accordance with an exit pupil distance d which satisfies (d1+d2)/2<d<d2, where d1is the exit pupil distance at the center of the imaging plane and d2is the exit pupil distance at the edge of the imaging plane.
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Mabuchi Keiji
Wakano Toshifumi
Rader & Fishman & Grauer, PLLC
Sony Corporation
Vu Ngoc-Yen T
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