Pointing device for detecting hand-movement
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United States of America Patent
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Issued Date -
Jun 23, 2005
app pub date -
Dec 19, 2003
filing date -
Dec 19, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention discloses a pointing device for communicating with a computer system. The pointing device includes a micro control unit and at least two acceleration sensors respectively located at a first position and a second position. The pointing device may further include a wireless transmitting module that can wirelessly transmit a cursor-moving signal sent from the MCU. When a user operates the pointing device, the MCU calculates the difference in accelerations sensed by the two acceleration sensors, and sends the cursor-moving signal to the computer system. The pointing device further provides a laser pointer for facilitating the indication of content on a projected screen.
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