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. 03, 2021
Filed:
May. 15, 2019
Semtech Corporation, Camarillo, CA (US);
Chaouki Rouaissia, Neuchâtel, CH;
Hehai Zheng, Hunan Province, CN;
Semtech Corporation, Camarillo, CA (US);
Abstract
A capacitive proximity sensor for use in mobile devices such as smartphones and connected tables, in which it is used to switch off a display () when the device is brought to the ear, and to reduce selectively the RF power when the device is in close proximity to a body part of a user, in order to fulfil regulatory SAR limits. The capacitive sensor uses two electrodes (), the first of which may also serve as RF antenna, and the other is preferably on the back of the phone and is opposite the display.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile