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. 17, 2017
Filed:
Aug. 12, 2015
Applicant:
Semtech Corporation, Camarillo, CA (US);
Inventors:
Chaouki Rouaissia, Neuchatel, CH;
Sebastien Grisot, Boudry, CH;
Assignee:
Semtech Corporation, Camarillo, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/02 (2009.01); H04W 4/00 (2009.01); H04W 52/02 (2009.01); H03K 17/955 (2006.01); H04M 1/02 (2006.01); G01B 7/14 (2006.01); G06F 1/32 (2006.01); G06F 3/01 (2006.01); G06F 3/044 (2006.01); H03K 17/96 (2006.01);
U.S. Cl.
CPC ...
H04W 4/023 (2013.01); G01B 7/14 (2013.01); G06F 1/32 (2013.01); G06F 3/011 (2013.01); G06F 3/044 (2013.01); H03K 17/955 (2013.01); H04M 1/026 (2013.01); H03K 2017/9613 (2013.01); H03K 2217/960765 (2013.01); H04M 2250/12 (2013.01); Y02B 60/50 (2013.01);
Abstract
A proximity sensor for detecting proximity of a body portion in a first region while avoiding unwanted detection of a body portion in a second region, based on the capacities seen by a plurality of electrodes. An application of the inventive detector to a mobile phone, whereby the display is switched off, or various energy saving measure are taken, when the proximity sensor determines directional proximity with a body part, indicating that the user has brought the phone to the ear for placing a call.