Patent ID: 7107219

Claim:
A communication terminal comprising: a group of keys arranged in a multiple row, multiple column matrix; a key detector for detecting manipulations of said keys; a processor for performing a process in accordance with said manipulations of said keys detected by said key detector; and a communication unit for communicating with an external unit, wherein six keys, arranged in two columns and three rows, are allocated for dots for Braille; wherein said processor specifies Braille dot combinations corresponding to said manipulations of said keys detected by said key detector, and converts said specified Braille dot combinations into characters that are output through said communication unit; and wherein a first mode for allocating ordinary numbers, such as 0 to 9, or symbols, such as * and #, and a second mode for allocating dots for Braille are available for said keys, and wherein said processor can switch between said first mode and said second mode.