Motion-compensating light-emitting apparatus

Details Motion-compensating light-emitting apparatus Motion-compensating light-emitting apparatus

2007-12-25

2007-12-25

Connolly, Patrick (Department: 2877)

Optics: measuring and testing

Angle measuring or angular axial alignment

Apex of angle at observing or detecting station

C250S201100

Reexamination Certificate

active

11022215

ABSTRACT:
A light-emitting apparatus, for enabling a spot of light to be projected on a desired target located a distance away such that the spot is projectable 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. The sensing device or devices may be one or more gyroscopes, accelerometers or other such devices.

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