.~ Key-board including keys grouped to facilitate positioning of typist's fingers
DEFINITION
Classification: 400/489
Key-board including keys grouped to facilitate positioning of typist's fingers:
(under subclass 472) Subject matter wherein significance is attributed to the positioning of the key* elements of a key-board* in accordance with the distance that the fingers of a typist needs to reach from a rest position of the typist's hands to pressing position of the typist's fingers on the key element to be pressed.
