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.: US11381313Application Date: 2006-05-02
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Publication No.: US08279180B2Publication Date: 2012-10-02
- 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 & Foerster 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
- US20070257890A1 MULTIPOINT TOUCH SURFACE CONTROLLER Public/Granted day:2007-11-08
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