G - Physics – 06 – F
Patent
G - Physics
06
F
340/180, 354/236
G06F 3/02 (2006.01) B41J 5/10 (2006.01) B41J 5/28 (2006.01) G06F 3/023 (2006.01) G06F 3/14 (2006.01) H03M 11/08 (2006.01)
Patent
CA 1221465
TOUCH TYPE COMPUTER KEYBOARDS Abstract of the Disclosure Disclosed is a computer system comprising a keyboard provided with an array of keys, the keys being manually actuable by single finger strokes to enter information to the system dependent upon the keys actuated, wherein the computer system is switchable by a single finger stroke applied to the keyboard into a program mode of operation in which instructions may be entered manually. When the computer system is in the program mode of operation respective instructions selected from a pre- determined set of instructions may be entered into the system in response to a constant number n (where n is equal to or greater than 2) of sequential finger strokes applied to the keyboard, each of the sequential finger strokes being selectable from a plurality x of available finger strokes to enable selection therefrom of x times x alternative instructions in the set. Graphic indicia identify at a visible site at the keyboard location the set of instructions visually together with the n fingerstroke positions on the keyboard array of keys and the sequence of fingerstrokes necessary for entering each individual instruction whereby the time efficiency in entering a wide range of instructions into the computer system from few keys and few fingerstrokes is considerably increased by the interaction between the graphic indicia, keyboard and the system providing for entry by n sequential fingerstrokes.
505598
Laitram Corporation (the)
Meredith & Finlayson
LandOfFree
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