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:
Dec. 17, 2013
Filed:
Sep. 22, 2011
Applicants:
Kelvin Kwong, Cupertino, CA (US);
Richard Hung Minh Dinh, San Jose, CA (US);
Daniel William Jarvis, Sunnyvale, CA (US);
Brian Richards Land, Woodside, CA (US);
Anant Rai, San Jose, CA (US);
Inventors:
Kelvin Kwong, Cupertino, CA (US);
Richard Hung Minh Dinh, San Jose, CA (US);
Daniel William Jarvis, Sunnyvale, CA (US);
Brian Richards Land, Woodside, CA (US);
Anant Rai, San Jose, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A proximity sensor for use in a portable computing device is described. In particular various embodiments of a proximity sensor which fit in an extremely small portion of a cellular phone, and accurately determine the presence of a user's head in close proximity to a surface of the cellular phone.