Patent 7683888 was granted and assigned to Apple (company) on March, 2010 by the United States Patent and Trademark Office.
A system and method for recognizing a signet and for performing an action associated with the signet. In one embodiment, the method includes generating a touch signal with a signet, the touch signal representing a particular signet pattern, recognizing the particular signet pattern, and performing an action associated with the particular signet pattern.