Optical range finder having a micro-mirror array

Details Optical range finder having a micro-mirror array Optical range finder having a micro-mirror array

2005-01-04

2005-01-04

Gregory, Bernarr E. (Department: 3662)

Optics: measuring and testing

Range or remote distance finding

With photodetection

Reexamination Certificate

active

06839127

ABSTRACT:
An optical range finder for determining the distance of an object may comprise an optical source of electromagnetic radiation. A focusing optical member focuses the electromagnetic radiation upon a micro-mirror array. A processor controls the micro-mirror array to direct the focused electromagnetic radiation in a defined direction or a defined radiation pattern. A transmission optical member focuses the defined radiation pattern toward an object. A reception optical member receives electromagnetic radiation reflected from the object. A detector detects the receipt of the reflected electromagnetic radiation. A timer determines an elapsed time between transmission of the electromagnetic radiation to the object and receipt of the electromagnetic radiation from the object. A data processor converts elapsed time into a distance between the object and a reference point.

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