Invention Grant
- Patent Title: Multipoint touch surface controller
- Patent Title (中): 多点触控面控制器
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Application No.: US13595898Application Date: 2012-08-27
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Publication No.: US08816984B2Publication Date: 2014-08-26
- Inventor: Steven P. Hotelling , Christoph H. Krah , Brian Quentin Huppi
- Applicant: Steven P. Hotelling , Christoph H. Krah , Brian Quentin Huppi
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Morrison & Foester LLP
- Main IPC: G06F3/041
- IPC: 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
- US20120319996A1 MULTIPOINT TOUCH SURFACE CONTROLLER Public/Granted day:2012-12-20
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