One-hand prehensile keyboard

Coded data generation or conversion – Bodily actuated code generator – Including keyboard or keypad

Patent

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Details

341 23, 345168, 400486, 400489, B41J 510

Patent

active

055006434

ABSTRACT:
A one hand, QWERTY keyboard angles the rows of keys away from the top and bottom parallel axes of the keyboard so as to eliminate ulnar-deviation of the actuating hand. This permits the orientation of the device to be parallel to the frontal plane of the body. Further, by positioning one or more keys on a front vertical surface of the keyboard, the thumb can actuate these keys in a natural-grasping, prehensile movement towards the fingers. The keyboard operates in two basic function modes. In a first mode, textual letters and symbols are input and in a second mode, numbers or symbols as for mathematical or scientific calculation are input. Once the user has turned on the device, the user can either press the "L" portion of a switch for letter usage or the "N" portion of the switch for number usage.

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