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. 17, 1998
Filed:
Jul. 01, 1996
Applicant:
Inventors:
John M Hall, Alexandria, VA (US);
Dallas N Barr, Woodbridge, VA (US);
Richard Utano, Springfield, VA (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ; G02B / ;
U.S. Cl.
CPC ...
359366 ; 359634 ; 359731 ; 359859 ;
Abstract
An optical assembly using a centrally-obscured catadioptric optical objece that provides two different focal planes using the same set of optics. Both optical paths share the same optic axis and common line-of-sight. One focal plane is optimized for use with a high performance GEN II image intensifier tube, and the other is used for either laser receiver or emitter devices.