Method and System for Determining Stylus Tilt in Relation to a Touch-Sensing Device

A system comprising:

• a touch-sensing device comprising:
• an electrode array comprising an electrode line oriented along a first axis of the touch-sensing device;
• a touch-sensor controller coupled to the electrode array and configured to control the sending of a signal by the electrode line;
• and
• a stylus comprising:
• at least four receivers each configured to receive the signal;
• a processor coupled to the at least four receivers, the processor operable to:
• determine a signal strength of the signal at each of the at least four receivers of the stylus, the signal having a different signal strength at each of the at least four receivers;
• and
• determine a tilt direction of the stylus based on the determined signal strength at a plurality of the at least four receivers, wherein the tilt direction comprises a direction of the stylus along a second axis of the touch-sensing device, the second axis being oriented in a different direction than the first axis;
• and
• a transmitter coupled to the processor configured to provide a response signal to the touch-sensing device, the response signal comprising information indicative of the tilt direction of the stylus.

A stylus comprising:

• at least four receivers each configured to receive a signal from an electrode line oriented along a first axis of a touch-sensing device;
• a processor coupled to the at least four receivers, the processor operable to:
• determine a signal strength of the signal at each of the at least four receivers of the stylus, the signal having a different signal strength at each of the at least four receivers;
• and
• determine a tilt direction of the stylus based on the determined signal strength at a plurality of the at least four receivers, wherein the tilt direction comprises a direction of the stylus along a second axis of the touch-sensing device, the second axis being oriented in a different direction than the first axis;
• and
• a transmitter coupled to the processor configured to provide a response signal to the touch-sensing device, the response signal comprising information indicative of the tilt direction of the stylus.