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US 10,372,281 B2Granted
Fast multi-touch stylus and sensor
AssigneeTactual Labs Co.
InventorDarren Leigh
Life of this patent
Estimating the term…
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AssigneeTactual Labs Co.
InventorDarren Leigh
Estimating the term…
A stylus and touch sensitive device are disclosed. The stylus includes a stylus transmitter for transmitting a stylus signal. The touch sensitive device includes row conductors, each of which is associated with a row transmitter and a row receiver. The row transmitter is adapted to simultaneously transmit row signals, each on its associated row conductor, each of the row signals being orthogonal to each other of the plurality of row signals transmitted on each other of the row conductors. The row receiver is adapted to detect the stylus signal. Column conductors are provided, each associated with a column receiver that is adapted to detect the presence of each of the row signals transmitted by the row transmitter and the stylus signal.
A method of synchronizing stylus modulation with a signal received from a sensor, the sensor having a plurality of row conductors, each of the plurality of row conductors having a unique orthogonal row signal thereon and each unique orthogonal row signal being orthogonal to each other unique orthogonal row signal, a stylus comprising a stylus receiver adapted to receive signals present on row conductors, the method comprising:
A modulation synchronizing stylus, comprising:
Dependencies are inferred from the claim text.