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:
Aug. 29, 2023
Filed:
Feb. 09, 2022
Applicant:
Pixart Imaging Inc., Hsin-Chu, TW;
Inventors:
Ching-Chih Chen, Hsin-Chu, TW;
Jr-Yi Li, Hsin-Chu, TW;
Assignee:
PixArt Imaging Inc., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/10 (2006.01); G06F 13/38 (2006.01); G06F 13/42 (2006.01);
U.S. Cl.
CPC ...
G06F 13/102 (2013.01); G06F 13/382 (2013.01); G06F 13/4282 (2013.01); G06F 2213/0042 (2013.01);
Abstract
A method of a pointing device which is used to be coupled to a host system through a universal serial bus (USB) communication interface includes: providing a USB driver device to communicate with the host system via the USB communication interface; monitoring a specific voltage change or a specific data transmission state of the USB communication interface to generate a monitoring result; and correcting a USB state of the USB driver device when the monitoring result indicates that a undefined or abnormal behavior of the host system occurs.