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:
Nov. 08, 2022
Filed:
Feb. 17, 2020
Cambridge Touch Technologies Ltd., Cambridge, GB;
Michael Astley, Cambridge, GB;
Arokia Nathan, Cambridge, GB;
Constantinos Tsangarides, Cambridge, GB;
Paridhi Sharma, Cambridge, GB;
Antonio Afonso Bras Ferreira Marques, Haddenham, GB;
Xiang Cheng, Cambridge, GB;
Jiahao Li, Cambridge, GB;
Cambridge Touch Technologies Ltd., Cambridge, GB;
Abstract
A force-sensing touch panel () is described which includes a layer structure stacked in a thickness direction between first and second surfaces. The layer structure includes from first surface to second surface, a number of first electrodes () and a number of second electrodes (), a layer of piezoelectric material (), and a number of third electrodes (). The first and second electrodes () are configured to define a coordinate system for sensing a location of a force applied to the touch panel in a plane perpendicular to the thickness direction. The third electrodes () are configured such that signals received from the first, second and third electrodes () enable determining unique locations corresponding to two or more forces applied to the touch panel () concurrently.