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. 04, 2018
Filed:
Mar. 03, 2016
Apple Inc., Cupertino, CA (US);
Paisith P. Boonsom, Concord, CA (US);
Serhan O. Isikman, Sunnyvale, CA (US);
Richard Ruh, Monte Serano, CA (US);
Prashanth S. Holenarsipur, Fremont, CA (US);
Colin M. Ely, Sunnyvale, CA (US);
William N. Pickeral, San Jose, CA (US);
Jairam Manjunathaiah, Cupertino, CA (US);
David G. Havskjold, Portola Valley, CA (US);
Anant Rai, San Jose, CA (US);
Maegan K. Spencer, Emerald Hills, CA (US);
Milind S. Bhagavat, Los Altos, CA (US);
APPLE INC., Cupertino, CA (US);
Abstract
Embodiments of the present disclosure provide an optical encoder for an electronic device. The optical encoder includes a spindle and an encoded pattern disposed around a circumference of the spindle. The encoded pattern may include one or more surface features that create a direction-dependent reflective region.