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:
Feb. 27, 2018
Filed:
Feb. 29, 2016
Apple Inc., Cupertino, CA (US);
Blake R. Marshall, San Jose, CA (US);
Apexit Shah, Sunnyvale, CA (US);
Ari Y. Benbasat, San Francisco, CA (US);
Li-Quan Tan, Sunnyvale, CA (US);
Priyanka Bhandari, San Francisco, CA (US);
Reza Nasiri Mahalati, Belmont, CA (US);
Sarah M. Bolton, Cupertino, CA (US);
Apple Inc., Cupertino, CA (US);
Abstract
A level of wear of a stylus tip can be estimated and in accordance with a determination that the level of wear of the stylus tip exceeds a threshold, the stylus input functionality of an electronic device can be disabled. The threshold can be set such that the stylus can be disabled before the stylus sensing performance degrades to a degree perceptible to a human and/or before exposing internal portions of the stylus that can scratch a touch screen. Additionally or alternatively, a notification can be provided to indicate to a user that the stylus tip should be replaced. In some examples, the estimated level of wear can also be used to provide warning notifications. Stylus tip wear can be estimated, for example, based on a detected total signal strength or based on an estimated total distance traversed by the stylus tip across a surface.