Patent ID: 11907464
Assignee: SENTONS INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 1:
2. A system for detecting a contact on a touch input surface, comprising:
a transmitter configured to propagate a propagating signal through a propagating medium with the touch input surface to a plurality of receivers coupled to the propagating medium; and
a processor configured to:
receive a signal affected by the contact contacting the propagating medium, wherein the received signal includes a signal portion that corresponds to the propagating signal that has been disturbed by the contact;
compare with one or more reference signal signatures of one or more contact types at least a portion of a version of the signal portion of the received signal that corresponds to the propagating signal that has been disturbed by the contact; and
based at least in part on the comparison, determine that one of the one or more contact types corresponds to the contact contacting the propagating medium.