Abstract: A method and apparatus for entering data into a computer including an abbreviated keyboard wherein each key represents a plurality of characters. Depression of a key of the keyboard causes the generation and transmission of a first electronic signal to a computer. The computer receives the signal and according to a predetermined algorithm, generates a best guess of which one of the plurality of alphanumeric characters represented by the key and signal sent to the computer is desired to be ultimately entered into the computer. A second electronic signal is generated by the computer and transmitted to a display to cause the display to indicate the guess. By subsequent stroke or strokes of the keyboard, the guess is either selected if correct, or if incorrect changed until the correct alphanumeric character is guessed.The computer programmed with the algorithm for making the guesses may be remote to the keyboard or contain within the keyboard such as by the incorporation of an appropriate microchip.

Abstract: A compact keyboard for entry of alphanumeric data or other characters into a computerized system. A character formation key on the keyboard is formed by a plurality of bars which are capable of being activated for providing light. These bars are arranged in a mosaic pattern with several of the bars forming an outer box pattern and several of the bars extending inside of the box pattern. Light is emitted from each bar when such bar is in an activated lit condition. Each of the bars is switchable between an activated lit condition and an off condition, with the activated bars emitting light so as to display an alphanumeric character. The keyboard has a data entry mechanism for causing the displayed alphanumeric character to be entered into a computerized system.