Reverse cantilever assembly for input devices

Details Reverse cantilever assembly for input devices Reverse cantilever assembly for input devices

2005-01-18

2005-01-18

Chow, Dennis-Doon (Department: 2675)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C345S156000, C345S157000, C345S164000, C345S165000, C345S166000, C345S167000, C200S343000, C200S400000

Reexamination Certificate

active

06844873

ABSTRACT:
A computer pointing device, such as a mouse or trackball, includes a reverse cantilever button assembly to match strength-related variations in user hand size. In one embodiment a button assembly is built with two cantilever beams, the fulcrums for each beam being at opposite ends of the button assembly. The stiffness of the two beams can be selected to obtain an increasing, decreasing, or constant force profile necessary to activate the associated electronic switch as one moves along the external surface of the button assembly from the palm end toward the fingertip end. An increasing force profile provides lower actuating force for operators with smaller hands, while providing greater tactile feedback for operators with larger hands.

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