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. 05, 2022
Filed:
Jan. 28, 2019
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Mikko S. Komulainen, Oulu, FI;
Saku Lahti, Tampere, FI;
Assignee:
Apple Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 3/08 (2006.01); G01V 3/12 (2006.01); H04B 1/3827 (2015.01); H04W 52/28 (2009.01);
U.S. Cl.
CPC ...
G01V 3/08 (2013.01); G01V 3/12 (2013.01); H04B 1/3838 (2013.01); H04W 52/283 (2013.01);
Abstract
A circuit includes a sensing circuit for a first antenna and a second antenna, the sensing circuit including an adjustable characteristic that is based on a proximity of an object to the first or second antenna used to transmit a transmit signal. An evaluation circuit is coupled to the sensing circuit. The evaluation circuit is configured to monitor the characteristic of the sensing circuit and to determine whether the characteristic fulfills a predetermined criterion.