Patent ID: 7077325
Filing Date: 2006-07-18
Classification: B41J,G06F,G06K,H04L

Abstract:
1. A handheld, electronic device for displaying a bit-mapped two-dimensional image, comprising: a) a housing having an opaque display panel connected to the housing; b) an energizable laser in the housing for projecting a laser beam toward the display panel when energized; c) a scanner in the housing for sweeping the laser beam along a plurality of light paths over the display panel; and d) a controller in the housing operatively connected to, and operative for energizing, the laser at selected positions of the laser beam in at least one of the light paths to generate individual light pixels at the selected positions on the display panel, and at a refresh rate at which the pixels persist to enable a human eye to steadily view the image comprised of a light pattern of the pixels on the display panel, the display panel being electrically unenergized during display of the image.