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. 28, 1989
Filed:
Oct. 09, 1987
Applicant:
Inventor:
Keith A Snail, Washington, DC (US);
Assignee:
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
356446 ; 350619 ;
Abstract
Systems for measuring the diffuse reflectances of various samples are constructed to include a primary mirror (e.g., an ellipsoidal mirror) and a secondary mirror (e.g., a compound parabolic concentrator) cooperating with a radiation source and a radiation detector.