G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 3/023 (2006.01) A47B 21/03 (2006.01) B41J 5/10 (2006.01) G06F 3/02 (2006.01)
Patent
CA 2121677
Conceived with the human-engineering objective of overcoming Repetitive Motion Injuries such as Carpal Tun- nel Syndrome. The solution, a system comprising a split- keyboard spaced laterally into vertically arranged co-opera- tive keypad halves (24, 24') optimally enabling the user to sit with the lightweight portable keyboard (23, 23') assembly laying directly upon their lap. Traditional keyboards orient operator's hands inducing a wrist-twisting, arm-extending stress while the stress-free ergonomic bodily position herein liberates one from such trauma by reorientation of the hands and arms to a non-pronated, unextended position. This correction involves the upper-arm draping naturally down from the shoulder with the forearm set at a relaxed forward projecting right-angle, placing the Carpalligaments. of one's wrists in a non-torqued, neutral position. Because weight of the extended hand/forearm is borne comfortably upon the narrow side (hypothenar-eminence) of the hand, this newly identified reorientation requires no appreciable musculature effort to maintain. The arrangement of keypad controls, with transverse adjustability to user's physique, serves to ameliorate onset occurrence of keyboard associat- ed RMI-diseases. Utilizing visual-reference mirrors (22, 22') adjustable to a user's eye, enables them to readily reference any key-indicia or tracking-mouse hemisphere (34, 34') via conveni- ence of natural mirror-image/reverse-compensated character notation. The system universally interfaces with ordinary electronic keyboard connections, and employs a conventional (albeit split) Qwerty keyboard. It is likewise adaptable to other keyboard for- mats. Optical accommodation of an Accounting-panel (ten-key; with affixed visual-reference mirror (39) at the right or left of the keyboard-base, is achieved via a modularly invertible attachment upon either laterally extensible retractable-support member.
Albert Stephen L.
Spencer Jeffrey B.
Ergonomic-Interface Keyboard Systems Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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