Invention Grant
- Patent Title: Multipoint touch surface controller
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Application No.: US15384202Application Date: 2016-12-19
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Publication No.: US10915207B2Publication Date: 2021-02-09
- Inventor: Steven P. Hotelling , Christoph H. Krah , Brian Q. Huppi
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Kubota & Basol LLP
- Main IPC: G06F3/044
- IPC: G06F3/044 ; G06F3/041

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.
Public/Granted literature
- US20170097736A1 MULTIPOINT TOUCH SURFACE CONTROLLER Public/Granted day:2017-04-06
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