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:
Jan. 13, 2004
Filed:
Aug. 29, 2001
Applicant:
Inventor:
Ralph Lance Carter, Oxon, GB;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/10 ; G02B 7/182 ;
U.S. Cl.
CPC ...
G02B 5/10 ; G02B 7/182 ;
Abstract
An optical system capable of providing a magnification which can be varied comprises a pair of ellipsoidal mirrors [( )]which are so mounted and arranged that the focus for radiation reflected from one mirror corresponds substantially with the input focus for the other mirror. The mirrors are preferably mounted so that they are pivotable.