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. 26, 2025
Filed:
Dec. 28, 2023
Himax Technologies Limited, Tainan, TW;
Jia-Ming He, Tainan, TW;
Himax Technologies Limited, Tainan, TW;
Abstract
A cascade touch control system includes a touch panel composed of a plurality of transmit lines and a plurality of receive lines; and a plurality of drivers controlling corresponding blocks of the touch panel, each block being divided into matrices each including same number of transmit lines and receive lines. Multi-tone touch control is performed on matrices of the blocks. For each matrix of each block, transmit signals are transmitted in each time interval associated with a corresponding receive line, of which one transmit signal has a phase opposite to other transmit signals, and different transmit signals with the opposite phase correspond to different time intervals.