Lighting device
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United States of America Patent
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Jul 25, 1995
Issued Date -
N/A
app pub date -
Dec 22, 1993
filing date -
Dec 6, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is a lighting device to emit a light which substantially does not elevate the ACTH level in human blood. Such a light hardly causes stresses when used in illumination. This renders the lighting device very useful in comfortable illuminated spaces for visual tasks.
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