MOTION-COMPENSATING LIGHT-EMITTING APPARATUS

摘要

A light-emitting apparatus, such as a laser pointer, for enabling a spot of light to be projected on a desired target located a distance away such that the spot is projected on the desired target without any or substantially any undesired movement. The apparatus may include a housing, a light generating device located within the housing and operable to generate a beam of light, a sensing device or devices for sensing an undesired action of the housing, a control circuit operable to provide a control signal corresponding to the sensed undesired action, and a drive device operable to counter act all or at least some of the undesired action of said housing in accordance with said control signal.