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

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

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 cir...

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Bibliographische Detailangaben
Hauptverfasser: Seongbae Lee, Gi-Joon Nam, Junseok Chae, Hanseup Kim, Drake, A.J.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Acceleration
Accelerometers
Analog circuits
Circuit simulation
CMOS analog integrated circuits
Coordinate measuring machines
Mice
Micromechanical devices
Microprocessors
Reduced instruction set computing
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Beschreibung
Zusammenfassung: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.
ISSN:0738-100X