LIGHTING DEVICE INCORPORATING A ZOOMABLE BEAMSPREADER

A zoomable beamspreader is disclosed having two lenses arranged in closely spaced, confronting relationship, with each lens incorporating an array of alternating positive and negative lens segments. One of the two lenses is controllably movable relative to the other, in a direction substantially per...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	FORKNER, JOHN, F
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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