Lighting apparatus
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United States of America Patent
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Issued Date -
Nov 27, 2003
app pub date -
Mar 21, 2003
filing date -
Mar 21, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An apparatus for modulating the color of a light beam includes an inner color wheel provided with outwardly directed color filters around its circumference and an outer color wheel provided with inwardly directed color filters around its rim. The color wheels contra-rotate about a common axis and are positioned such that the color filters of a respective color wheel only partially cover the light beam. A lighting effect can be achieved which gives the impression of a complex pattern of moving colors within a beam of light, using components which are relatively simple and inexpensive.
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