Computer graphics processing and selective visual display system – Display peripheral interface input device
Patent
1996-08-17
1999-04-06
Brier, Jeffery
Computer graphics processing and selective visual display system
Display peripheral interface input device
248118, 24834601, 341 22, 345157, 345167, 345168, B68G 500, H03K 1794, G09G 500, G09G 508
Patent
active
058924990
ABSTRACT:
An ergonomic palm and forearm support device is provided for computer interface controls. The device supports the palm and the forearm of a user's hand and arm during the user's operation of a cursor control, keyboard, or other computer interface. The device has a base, a raised palm support portion between a forward end and a rearward end of the base, a forearm support portion that is inclined from the rearward end of the base toward the raised palm support portion, whereby, when the user's palm and forearm are placed on the device, an angle of greater than or equal to 180 degrees is created between the top of the user's hand and the top of the user's forearm. For a cursor control interface, the device has a cursor position control surface portion that is declined from the raised palm support portion toward the forward end of the base. For a keyboard interface, the device has a keyboard interface surface portion that is declined from the raised palm support portion toward the forward end of the base. Preferably, the cursor position control surface portion of the keyboard interface surface portion has a generally convex surface contour when observed from above, whereby the user's hand can rest on the device in a more natural prehensile position, and the interface can be operated with more natural grasping motions of the hand and fingers.
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Brier Jeffery
Lewis David L.
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