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. 23, 2007
Filed:
Mar. 05, 2007
Applicants:
Xavier Bengoechea, Orange, CA (US);
Francesco Finizio, Mission Viejo, CA (US);
Richard Grich, Brunswick, ME (US);
Inventors:
Xavier Bengoechea, Orange, CA (US);
Francesco Finizio, Mission Viejo, CA (US);
Richard Grich, Brunswick, ME (US);
Assignee:
Thales Avionics, Inc., Edison, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A surveillance window including at least one set of linear polarizer and quarter-waveplate and a reflecting surface. The surveillance window appears dull and opaque to a subject, while allowing a relatively high percentage of light to be transmitted to an observer. Various enhancements including an illuminator and detector, camouflaging, fire resistance, and improvements to the opacity are also described.