Optical: systems and elements – Lens – Panoramic
Reexamination Certificate
2007-07-17
2007-07-17
Sugarman, Scott J. (Department: 2873)
Optical: systems and elements
Lens
Panoramic
C359S726000, C359S727000, C359S729000, C348S036000
Reexamination Certificate
active
11204178
ABSTRACT:
The invention relates to a panoramic attachment optical system and a panoramic optical system for taking an image having a full 360°-direction angle of view or projecting an image at a full 360°-direction angle of view. These optical systems are reduced in size and flare light and improved in resolving power. A panoramic attachment optical system10attached to the entrance side of an image-formation lens20to form a full 360°-direction image on an image plane30comprises a transparent medium that is rotationally symmetric about a center axis1and includes at least two internal reflecting surfaces12, 13and at least two refracting surfaces11, 14.A light beam enters the transparent medium via the refracting surface11,and reflects at the internal reflecting surfaces12and13in this order to leave the transparent medium via the refracting surface14,forming an image at a position of the image plane30off the center axis1via an image-formation lens20.The internal reflecting surfaces and the refracting surfaces are each of shape rotationally symmetric about the center axis1,and a light beam2coming from far way forms an image at least one time.
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Dinh Jack
Olympus Corporation
Pillsbury Winthrop Shaw & Pittman LLP
Sugarman Scott J.
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