Light treating means专利检索-过滤丝束烟草制品及加工专利检索查询-专利查询网

Light treating means

阅读：823发布：2023-04-13

专利汇可以提供Light treating means专利检索，专利查询，专利分析的服务。并且A central circle of blue, translucent light filtering material is surrounded by an annular circle of clear transparent material which in turn is surrounded by an annular area of blue translucent light filtering material to form a filtered zone plate through which artificially produced light is filtered and mixed to provide a more natural white light having reduced glare and improved color resolution and illumination. In a preferred form, the clear area functions as a light aperture and the central and annular translucent areas cooperate to provide a filtered light which mixes with the light passing through the aperture. The clear and translucent areas are provided by a flat, transparent plate which is removably secured to the light emitting face of a sealed beam lamp. The lamp includes a resistive incandescent filament for providing a light source, a parabolic reflector for collimating light directed through the plate and an opaque, reflective curved light shield positioned between the light source and the plate for preventing light produced by said light source from traveling through the plate without first being reflected from the reflector. The translucent areas are formed of a thin coating of an acrylic ester lacquer dyed with iron blue pigment. The filtered and unfiltered light combine to produce a white light surrounded by a blue field.，下面是Light treating means专利的具体信息内容。

权利要求

1. Light treating means comprising: a. a source of artificially produced light containing substantially all wavelengths of visible light; b. light transmitting means having light transmitting portions positioned with respect to said source whereby light from said source is transmitted through said light transmitting means; c. first and second light filtering portions included in said light transmitting portions each of which includes means for preferential transmission of visible light of a substantially blue color through said transmitting means; and d. light aperture means disposed intermediate said first and second light filtering portions and included in said light transmitting means for transmission of light from said source through said aperture means whereby filtered light transmitted through said first and second light filtering portions is mixed with light transmitted through said aperture means to form a combined light at a preselected point remote from said light filtering portion.

2. Light treating means as defined in claim 1 wherein: a. said first light filtering portion includes a central, substantially circular area; and b. said light aperture means includes a substantially annular light aperture area formed concentrically about said circular area.

3. Light treating means as defined in claim 2 wherein said second light filtering portion comprises a substantially annular area formed concentrically about both said central circular area and said annular light aperture area.

4. Light treating means as defined in claim 1 wherein said aperture means includes means for non-preferential transmission of visible light of all wavelengths.

5. Light treating means as defined in claim 1 wherein said first light filtering portion includes means for preferential transmission of light wavelengths of approximately 500 nanometers.

6. Light treating means as defined in claim 1 wherein said first light filtering portion includes light polarizing means for at least partially polarizing light transmitted through said first light filtering portion.

7. Light treating means as defined in claim 3 further including: a. reflective means for directing light produced by said light source through said light transmitting means whereby light passing through said first light filtering portion and said aperture means is mixed at a point remote from said source; and b. light shielding means disposed between said light source means and said light transmitting means for preventing light produced by said light source means from traveling through said light transmitting means without first being reflected from said reflective means.

8. Light treating means as defined in claim 7 wherein: a. said light source means includes a resistive electrical element for producing light upon being energized by an electrical potential; and b. said reflective means includes a parabolic reflector for substantially collimating light directed through said light transmitting means.

9. Light treating means as defined in claim 8 wherein: a. said reflective means and said light source means are included in a sealed beam lamp adapted to produce and direct light through a light emitting face; and b. said light transmitting means is removably secured over the light emitting face of said lamp.

10. Light treating means as defined in claim 9 wherein said light emitting face of said lamp and said light transmitting means are substantially planar.

11. Light treating means as defined in claim 1 wherein said first second and light filtering portions include a surface coating of blue acrylic ester lacquer to form a translucent area on said light transmitting means.

12. Light treating means as defined in claim 11 wherein said first and second light filtering portions include a thin blue acrylic ester coating covered by a thin sheet of a stretched polyvinyl alcohol which in turn is covered by a thin coating of blue acrylic ester.

13. A method of producing improved natural-like light comprising mixing light having characteristics which are substantially equivalent to the light emitted by a 12 volt G.E. -4435 bulb rated at 75,000 candle power and transmitted through a filtered zone plate positioned adjacent and over the light emitting face of said bulb, said filtered zone plate having a central, circular translucent filtering area with a radius of 1.475 inches, surrounded by a concentric, annular, uncolored transparent area having an outer radius of 2.075 inches which in turn is surrounded by a concentric, annular, translucent filtering area having an outer radius of 3.625 inches, said translucent filtering areas being formed by a coating, 2 mils thick, carried on a thin plate of uncolored, transparent glass and formed by applying to said plate an acrylic ester lacquer with iron blue pigmentation, said lacquer being of the type manufactured by Sinclair Paint Company of Los Angeles, Calif. as aerosol glass tint No. L-18-134.

14. A method producing improved natural-like light comprising mixing light in the wavelength range between approximately 350 and 700 nanometers having substantially the relative intensities represented by the curve B in FIG. 3 with light in said range having substantially the relative intensities represented by the curve A in FIG. 3.

15. A method as defined in claim 14 wherein said light is mixed to form a central circular beam of substantially white light set in an annular blue light field.

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Light treating means

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