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Class Information
Number: 359/594
Name: Optical: systems and elements > Building interior illumination with reflected, refracted or predetermined angle of entrance of outside light > Unitary light transmitting member comprising plural reflecting or refracting elements > Elements on two sides of member
Description: Subject matter where there are a plurality of reflecting or refracting surfaces on opposing sides of the transparent mass.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7147903 |
High efficiency optical devices |
Dec. 12, 2006 |
| 7057821 |
Integrated artificial and natural lighting system |
Jun. 6, 2006 |
| 6924014 |
High efficiency optical devices |
Aug. 2, 2005 |
| 6212009 |
Phase annulus to carry out a positive phase contrast |
Apr. 3, 2001 |
| 6078426 |
Light diffuser with macroscopic chaotically and quasichaotically formed light reflecting and light refracting planes |
Jun. 20, 2000 |
| 6075581 |
Liquid crystal display device including a birefringent filter and a diffractive filter for diffusing the resultant image |
Jun. 13, 2000 |
| 6030687 |
Vision control panels for displaying discrete images observable from one side of the panel and method of making |
Feb. 29, 2000 |
| 5939168 |
Vision control panel for displaying discrete images observable from one side of the panel and method of making |
Aug. 17, 1999 |
| 5880886 |
Optical component suitable for use in glazing |
Mar. 9, 1999 |
| 5773110 |
Window painting apparatus and method |
Jun. 30, 1998 |
| 5679435 |
Vision control panels with perforations and method of making |
Oct. 21, 1997 |
| 5609938 |
Image display apparatus with holes for opposite side viewing |
Mar. 11, 1997 |
| 5198922 |
Specularly transmitting and diffuse reflecting optical shutter |
Mar. 30, 1993 |
| 4673609 |
Unidirectional panel |
Jun. 16, 1987 |
| 4351588 |
Process and means for controlling the radiant energies of the entire spectral range in rooms |
Sep. 28, 1982 |
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