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:
Feb. 22, 2005
Filed:
Nov. 26, 1999
Applicants:
Manami Kuiseko, Kyoto, JP;
Yasushi Kobayashi, Itami, JP;
Inventors:
Manami Kuiseko, Kyoto, JP;
Yasushi Kobayashi, Itami, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B017/00 ; G11B007/00 ;
U.S. Cl.
CPC ...
Abstract
A reflecting microoptical system is formed of only two optical surfaces having a continuous configuration, and has a simple configuration suitable for glass molding. Different combinations of convex, planar and concave surfaces are disclosed for the two optical surfaces, to provide different advantageous properties. In preferred embodiments of the invention, at least one, and in some cases both, of the optical surfaces have an aspherical shape to correct for aberrations.