TOUCH ALPHABET AND COMMUNICATION SYSTEM

摘要

A touch alphabet and communication system is provided. The communication system uses a predetermined set of touch gestures, such as fingertip touch patterns performable on keyless touch-sensitive surfaces, to express the user's desired communication. The touch-sensitive surface may be the touch screen display of a computer, tablet device, cell phone, or a touch-sensitive pad, for example. The finger touch patterns are based on a limited set of unique and ergonomically pleasing finger positions that may be performed in a limited area. The touch alphabet allows the user to comprehensively communicate without looking at the communication device, and with just one hand, or in another implementation, with two hands. Thus, a user can comfortably tap an entire alphabet and related functions, with one hand, without having to visualize the user interface surface or hunt for individual keys.

主权项

1. A system, comprising:
a touchscreen capable of sensing multiple simultaneous finger contacts; an area of the touchscreen assigned for sensing the multiple simultaneous finger contacts, the area configured in real time to approximate a width of four fingers of one hand of a current user; a database of touch patterns each assigned a character of an alphabet, the database comprising an alphabet of touch patterns; the database of touch patterns including three types of touch patterns, including: touch patterns composed of one single finger contact sensed on the area at a position in the area indicative of one of the four fingers in a given degree of extension; touch patterns composed of two simultaneous finger contacts sensed on the area indicative of two of the four fingers in a given configuration; and touch patterns composed of three simultaneous finger contacts sensed on the area indicative of three of the four fingers in a given configuration; and a pattern identifier to associate a digital signal representing the assigned character of the alphabet with each touch pattern sensed by the area of the touchscreen.