OPTICAL CONTROL OF SUNLIGHT AT WINDOW AND DOOR OPENINGS WITH CONTROLLED POSITIONING OF COMPOSITE TRANSPARENT MATERIALS TO ELIMINATE GLARING SUNLIGHT RAYS WHILE PROVIDING NORMAL DAYLIGHT ILLUMINATION
United States Patent 3438699
US Patent References:
Material for controlling illumination
- - 1937342

Light-controlling window structure
- - 2991697


Inventors:
Seeger, Bernard I.
Publication Date:
04/15/1969
View Patent Images:
Assignee:
Seeger, Bernard I.
Primary Class:
Other Classes:
359/593, 359/613
International Classes:
E06B9/28; G02B27/38
Foreign References:
DE562077C
GB429340A




<- Previous Patent (PHOTOGRAPHIC APPARAT...)   |   Next Patent (OPTICAL BEAM DEVIATO...) ->