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:
Aug. 14, 2012
Filed:
Dec. 19, 2007
Applicant:
Stuart Duncan, Eidenburgh, GB;
Inventor:
Stuart Duncan, Eidenburgh, GB;
Assignee:
Selex Galileo Ltd., Basildon, Essex, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 5/02 (2006.01); G01J 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An aperture arrangement is disclosed, such as an aperture arrangement suitable for use with a dual wavelength infrared detector. A detector is disclosed which includes a casing; an aperture defined in one end of the casing; and a filter having an inner region and an outer region substantially (e.g., greater than 50%) covering the aperture; wherein the outer region of the filter transmits radiation within a first range of wavelengths and reflects radiation within a second range of wavelengths.