H - Electricity – 03 – M
Patent
H - Electricity
03
M
340/175
H03M 11/00 (2006.01)
Patent
CA 1241090
ABSTRACT A hand movement controller is described which permits a variety of control functions to be performed by single left or right handed operation. The controller comprises a base which is generally wedge-shaped with a sloping surface on which is located a movable palm support adapted to be received in the palm of a hand when the hand rests on a sloping surface. A plurality of keys are symmetrically spaced about the palm support and adapted to be engaged by fingers of the hand. The distance between the movable palm support and keys is adjustable to support the fingers to permit them to pivot freely about the knuckles with minimal strain over a prolongued period of time. The spacing of the keys about the palm support is designed to optimize reaction time and to take full advantage of normal reactions for both left and right handed individuals. In a preferred embodiment eight keys are used and permit control of movement in three dimensions as well as two dimensions, an actuation of control means in an object at a predetermined position in two dimensions as well as the three dimensions at a predetermined point and space. The upper surface can be moulded from a plastic thermoplastic material to be custom suited to the individual and the controller is particularly suitable to handicapped persons.
489459
Burke Patrick G.
Gowling Lafleur Henderson Llp
LandOfFree
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