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. 26, 2023
Filed:
Feb. 08, 2021
Applicant:
Apple Inc., Cupertino, CA (US);
Inventors:
Steven P. Hotelling, Los Gatos, CA (US);
Christoph H. Krah, Cupertino, CA (US);
Brian Q. Huppi, San Francisco, CA (US);
Assignee:
Apple Inc., Cupertino, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/044 (2006.01); G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0446 (2019.05); G06F 3/0443 (2019.05); G06F 3/04182 (2019.05); G06F 2203/04104 (2013.01);
Abstract
A multipoint touch surface controller is disclosed herein. The controller includes an integrated circuit including output circuitry for driving a capacitive multi-touch sensor and input circuitry for reading the sensor. Also disclosed herein are various noise rejection and dynamic range enhancement techniques that permit the controller to be used with various sensors in various conditions without reconfiguring hardware.