Laser projector with alerting light

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United States of America Patent

PATENT NO 8297755
APP PUB NO 20100073580A1
SERIAL NO

12440594

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Abstract

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A projector with a laser light source projects an image. In order to reduce the risk for a person to be exposed to harmful levels of laser light, the projector also projects a time-variant alerting image into an alerting region. Alerting region is arranged outside of the projection region. The alerting image is of a wave length visible to the human eye, and of an intensity of eye-safe level.

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Patent Owner(s)

  • KONINKLIJKE PHILIPS ELECTRONICS N.V.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ritz, Arnd Heinsberg, DE 27 74

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