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. 08, 2015
Filed:
Feb. 20, 2013
Applicant:
Logitech Europe S.a., Morges, CH;
Inventors:
Assignee:
Logitech Europe S.A., Lausanne, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/00 (2006.01); G01S 13/00 (2006.01); G06F 1/32 (2006.01);
U.S. Cl.
CPC ...
G06F 1/3231 (2013.01); Y02B 60/50 (2013.01);
Abstract
Embodiments of the invention are directed to control devices configured for use with computing devices. More specifically, the present invention relates to methods and devices for performing presence detection of an object body near a device. The methods and devices described herein may include comparing a reference signal against an over the air signal to determine whether a phase difference exists between the reference signal and the over the air signal. The existence of a phase difference may be indicative of a object or body in proximity to the device.