Touchpad with active plane for pen detection

Touchpad with active plane for pen detection

A touchpad which simulates an active stylus by providing pulses to the entire active plane (making it an active plane), instead of the stylus. This allows a simple, non-active stylus to compress the touchpad to bring the X, Y traces closer to the active plane at the point to be detected. The phase o...

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Hauptverfasser: SINGER, ROLAND, MOISSEV, VITALI D, TAREEV, ALEKSEY A, ANDREV A, SUMENKOV, VITALI P
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator SINGER
ROLAND
MOISSEV
VITALI D
TAREEV
ALEKSEY A
TAREEV
ANDREV A
SUMENKOV
VITALI P
description A touchpad which simulates an active stylus by providing pulses to the entire active plane (making it an active plane), instead of the stylus. This allows a simple, non-active stylus to compress the touchpad to bring the X, Y traces closer to the active plane at the point to be detected. The phase of the pulses applied to the active ground could be chosen to make a stylus look like a finger, or to differentiate it. The pulses are applied synchronously with the standard triangular waveform applied to traces in the trace matrix. The other traces not being sampled at a particular time are truly grounded, and thus are separated from the active plane.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Touchpad with active plane for pen detection
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