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:
Apr. 22, 2014
Filed:
Aug. 11, 2010
Applicants:
Hsin Chin Lee, Kitchener, CA;
Antanas Matthew Broga, Cambridge, CA;
Inventors:
Hsin Chin Lee, Kitchener, CA;
Antanas Matthew Broga, Cambridge, CA;
Assignee:
BlackBerry Limited, Waterloo, CA;
Primary Examiner:
Int. Cl.
CPC ...
H01J 3/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A proximity sensor assembly including a light source, a first detector, and a first light focusing device. The light source is operative to emit light toward a first target area. The first detector is operative to detect light, including light emitted by the light source and reflected from the first target area. The first light focusing device is in a first optical path between the light source and the first detector. The first optical path includes an optical path from the light source and reflected from the first target area.