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:
Sep. 02, 2003
Filed:
Sep. 11, 2000
Applicant:
Inventors:
Chan Chee Oei, Singapore, SG;
Siew Chee Kong, Singapore, SG;
Assignee:
Free Systems Pte Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 2/100 ;
U.S. Cl.
CPC ...
G01N 2/100 ;
Abstract
A high data-rate infra-red wireless receiver of improved sensitivity utilizing concave reflectors to concentrate said radiation energy on an array of photo-diodes while significantly reducing radio frequency (RF) and visible light interference as well as temperature dependent variations of said photo-diode response.