Optical: systems and elements – Signal reflector – Including a curved refracting surface
Patent
1998-09-28
1999-12-14
Phan, James
Optical: systems and elements
Signal reflector
Including a curved refracting surface
359 15, 359 22, 359540, 359585, 359589, G02B 5128, G02B 110
Patent
active
060008040
ABSTRACT:
To provide a retroreflective material which has high utilization efficiency of light and which can give a reflected light to various color tones: the retroreflective material in accordance with the present invention, which comprises synthesizing an incident light by giving a phase contrast to a part of the incident light, and emphasizing a light component of specific wavelength region by interference and returning a colored light that the color tone is different from the incident light to the incident direction of the light, and to provide a hologram reconstructor which reflect the light to the almost the same direction as the incident direction, when the linear light that has regular directionality is irradiated, and which comprises graphic design function, decorating function and high forgery prevention property by using said retroreflective material as the hologram reconstructor: the retroreflective reconstructor in accordance with the present invention laminates said retroreflective material and a hologram reconstructor which reconstructs a three-dimensional image by laminating a hologram reconstructor and a reflective layer.
Phan James
Shiseido Co. Ltd.
Snider Ronald R.
LandOfFree
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