STROBE LIGHT DEVICE
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United States of America Patent
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Issued Date -
Feb 26, 2015
app pub date -
Mar 19, 2013
filing date -
Apr 3, 2012
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Abstract
While maintaining weathering resistance, occurrence of whitening in the lens of the strobe light device is prevented and a color temperature of the emitted light required by the strobe light device is adjusted to fall into a preferable range. A lens of the strobe light device contains a base material and an ultraviolet absorber, and the base material is methacrylic resin. The ultraviolet absorber is contained at the rate of between or equal to 0.01 and 0.3 parts by mass, to 100 parts by mass of the base material. The lens may further contain a visible light absorber as a color temperature adjuster, and the visible light absorber preferably has a maximum absorption wavelength of between or equal to 380 nm and 495 nm.
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