Touch Sensitive Processing Method, Apparatus and System for Calibrating Pressure Value to Stylus
AssigneeEgalax_Empia Technology Inc.
InventorSHANG-TAI YEH
Life of this patent
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Abstract
The present invention provides a touch sensitive processing method for calibrating a pressure value to a stylus. The method includes receiving a pressure value to the stylus; receiving a tilt angle between the shaft of the stylus and a touch screen plane; and calculating a calibrated pressure value based on the pressure value and the tilt angle.
Claims17
A touch sensitive processing method for calibrating a pressure value to a stylus comprising:
- receiving a pressure value experienced by the stylus;
- receiving a tilt angle between the shaft of the stylus and a touch screen plane;
- and
- calculating a calibrated pressure value based on the pressure value and the tilt angle.
A touch sensitive processing apparatus for calibrating a pressure value to a stylus, comprising:
- a sensing circuit connected to a plurality of touch sensitive electrodes of a touch screen to which the stylus is in proximity or touching for detecting a pressure value experienced by the stylus based on electrical signals emitted from the stylus received by the plurality of touch sensitive electrodes;
- and
- a processor connected to the sensing circuit for receiving a tilt angle between the shaft of the stylus and a touch screen plane, and calculating a calibrated pressure value based on the pressure value and the tilt angle.
A touch sensitive processing apparatus for calibrating a pressure value to a stylus comprising:
- a sensing circuit connected to a plurality of touch sensitive electrodes of a touch screen to which the stylus is in proximity or touching for detecting a tilt angle between the shaft of the stylus and a touch screen plane based on electrical signals emitted from a plurality of electrodes of the stylus received by the plurality of touch sensitive electrodes;
- and
- a processor connected to the sensing circuit for receiving a pressure value experienced by the stylus, and calculating a calibrated pressure value based on the pressure value and the tilt angle.
A touch sensitive system for calibrating a pressure value to a stylus comprising:
- a stylus for emitting electrical signals;
- a touch screen including a plurality of touch sensitive electrodes;
- and
- a touch sensitive processing apparatus connected with the touch screen including:
- a sensing circuit connected to the plurality of touch sensitive electrod for detecting a pressure value experienced by the stylus based on the electrical signals emitted from the stylus received by the plurality of touch sensitive electrodes;
- and
- a processor connected to the sensing circuit for receiving a tilt angle between the shaft of the stylus and a touch screen plane, and calculating a calibrated pressure value based on the pressure value and the tilt angle.
A touch sensitive system for calibrating a pressure value to a stylus comprising:
- a stylus for emitting electrical signals;
- a touch screen including a plurality of touch sensitive electrodes;
- and
- a touch sensitive processing apparatus connected with the touch screen including:
- a sensing circuit connected to the plurality of touch sensitive electrodes for detecting a tilt angle between the shaft of the stylus and a touch screen plane based on the electrical signals emitted from a plurality of electrodes of the stylus received by the plurality of touch sensitive electrodes;
- and
- a processor connected to the sensing circuit for receiving a pressure value experienced by the stylus, and calculating a calibrated pressure value based on the pressure value and the tilt angle.
Dependencies are inferred from the claim text.