Visual wavelength extractor

Details Visual wavelength extractor Visual wavelength extractor

G - Physics

02

B

G02B 5/26 (2006.01)

Patent

CA 2138847

A device for extraction of visual range wavelenghth (the visual wavelength extractor) from the images containing not only visual range of wavelenth but a harmful for people or equipment radiation, comprises reflecting screen (or screens) installed in such way that observer can obsrve initial images in the reflecting screen. The screens have property to reflect mainly visual portion of the whole spectrum the initial images have. A device may be equipped also dead surface screen and a focusing system producing the images on the dead surface screen. As an example such device can provide harmless observing of the images on computers and TV screens to the same degree as a sheet of paper. Also the device can contain preventive shields surrounding the radiative system producing initial images. The construction of the device allows to provide not only harmless but a convenient location of the whole system and can improve an interior.

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