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:
Oct. 02, 2001
Filed:
Oct. 27, 1998
Applicant:
Inventor:
Jacob Moskovich, Cincinnati, OH (US);
Assignee:
Corning Precision Lens, Cincinnati, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 9/31 ;
U.S. Cl.
CPC ...
H04N 9/31 ;
Abstract
Projection lens systems (,) for use in projection televisions are provided. The systems are characterized by a screen side lens unit (U,) which: (1) has a weak optical power; (2) has a negative, aspherical lens element composed of a high dispersion material; and (3) has a positive lens element which is composed of a low dispersion material.