Sensor pad using light pipe input devices
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United States of America Patent
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N/A
Issued Date -
Feb 21, 2008
app pub date -
Aug 15, 2007
filing date -
Aug 15, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A sensor pad input system for use with an electronic display screen includes a transparent sensor pad overlaying the display, and at least one tactile input device removably secured to the sensor pad. Each input device emits an IR beam transmitted by the sensor pad to an IR sensor at the edge of the sensor pad. Each input device emits a unique PN code which enables identification of the device and detection of the device setting and changes in the setting. Each input device includes a light receptor directed toward the display screen to derive location data therefrom. Input devices include knob, fader, trackball, and joystick embodiments.
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