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Two-dimensional position detection system with MEMS accelerometer for mouse applications

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5 Author(s)
Seongbae Lee ; Dept. of Electr. Eng. & Comput. Sci., Michigan Univ., Ann Arbor, MI, USA ; Gi-Joon Nam ; Junseok Chae ; Hanseup Kim
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A hybrid two-dimensional position sensing system is designed for mouse applications. The system measures the acceleration of hand-movements which are converted into two-dimensional location coordinates. The system consists of four major components: 1) MEMS accelerometers, 2) CMOS analog read-out circuitry 3) an acceleration magnitude extraction module, and 4) a 16-bit RISC microprocessor. Mechanical and analog circuit simulation shows that the designed padless mouse system can detect accelerations as small as 5.3 mg and operate up to 18 MHz.

Published in:

Design Automation Conference, 2001. Proceedings

Date of Conference:

2001