Patent ID: 8803807
Filing Date: 2014-08-12
Classification: G05G,G06F

Abstract:
1. A keyboard with a thumb operated curser controller comprising: A) a spacebar having an aperture, smaller than a typical person's thumb, through at least a portion of the spacebar, B) a light source for illuminating the aperture from below the aperture, C) a sensor for making digital images of surfaces of user thumbs moving across said aperture at rates of at least 1,500 images per second with resolutions of at least 400 dpi from light reflected from said surfaces, D) a lens for focusing the light reflected from said thumbs onto said sensor, E) a computer processor programmed to control curser positions of a computer monitor, and F) a transmitter for transmitting said thumb images to a computer processor programmed to control curser positions based on changes in the thumb images wherein said user controls positions of said curser by moving his thumb across said aperture in said spacebar.