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. 13, 2012
Filed:
May. 07, 2009
Applicant:
Robert C. Guyer, Beverly, MA (US);
Inventor:
Robert C. Guyer, Beverly, MA (US);
Assignee:
BAE Systems Information and Electronic Systems Integrations Inc., Nashua, NH (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 23/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A Mersenne-Cassegrain telescope provided in a single block of glass in which opposed parabolic elements are precision milled through diamond turning of a glass boule, with the magnification power of the telescope determined by the differences in focal length between the two parabolas. The result is a volumetrically small telescope with pre-aligned surfaces that are maintained by the structural rigidity of the glass itself and in which thermal coefficients of expansion, vibration and the like have no effect due to the single glass element structure.