Invention Application
- Patent Title: MULTIPOINT TOUCH SURFACE CONTROLLER
- Patent Title (中): 多点触控表面控制器
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Application No.: US11381313Application Date: 2006-05-02
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Publication No.: US20070257890A1Publication Date: 2007-11-08
- Inventor: Steven Hotelling , Christoph Krah , Brian Huppi
- Applicant: Steven Hotelling , Christoph Krah , Brian Huppi
- Applicant Address: US CA Cupertino 95014
- Assignee: APPLE COMPUTER, INC.
- Current Assignee: APPLE COMPUTER, INC.
- Current Assignee Address: US CA Cupertino 95014
- 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
- US08279180B2 Multipoint touch surface controller Public/Granted day:2012-10-02
Information query
