Method for touchscreen data input

Details Method for touchscreen data input Method for touchscreen data input

2007-03-13

2007-03-13

Hjerpe, Richard (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

C345S179000, C178S018010

Reexamination Certificate

active

09749480

ABSTRACT:
A method and system for use with a computer based system having a touchscreen for distinguishing between a finger and a stylus. The method involves a series of steps including detecting contact with the touchscreen. Also, the method can include generating contact information for the detected contact with the touchscreen. The method includes comparing contact information corresponding to the detected contact with contact criteria, and, based on the comparison of the contact information, determining whether the contact was initiated by a finger or a stylus.

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