The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 08, 2011
Filed:
Aug. 02, 2007
Hideshi Nagata, Tokyo, JP;
Kenjiro Hamanaka, Tokyo, JP;
Hideshi Nagata, Tokyo, JP;
Kenjiro Hamanaka, Tokyo, JP;
Nippon Sheet Glass Company, Limited, Tokyo, JP;
Abstract
The conventional lens array of an erecting unit magnification system is composed of an inside lens of spherical shape and an outside lens of spherical or aspherical shape, and has a problem to be improved for the resulting MTF performance. A lens array of an erecting unit magnification system is provided by stacking a first and a second planar-shaped lens array plates. Each of the first and second planar-shaped lens array plates includes a plurality of outside lenses (Land L), which are regularly arranged on one side thereof, and a plurality of inside lenses (Land L), which are regularly arranged on the other side thereof. Especially, the outside lenses (Land L) and the inside lenses (Land L) are formed based on the defining method according to the present invention.