Panels of controllable radiation transmissivity

US 6,499,255 B1
Panels of controllable radiation transmissivity
Shaul Givoni, Upper Galilee (Israel)
Assigned to Dan-Pal, Upper Galilee (Israel)
Filed on 12-Dec-2000, as Appl. No. Dan-Pal, Upper Galilee (Israel)
Int. Cl.7E06B 7/096

US 6,499,255 B1 Panels of controllable radiation transmissivity Shaul Givoni, Upper Galilee (Israel) Assigned to Dan-Pal, Upper Galilee (Israel) Appl. No. 9/719,676PCT Filed Jun. 15, 1999, PCT No. PCT/IL99/00326PCT Pub. No. WO99/66149, PCT Pub. Date Dec. 23, 1999. Claims priority of application No. 124949 (IL), filed on Jun. 15, 1998. Int. Cl.7E06B 7/096 U.S. Cl. 498212;82.1 31 Claims 1. A panel of controllable radiation transmissivity, comprising: a plurality of rotatably mounted radiation-blocking members, each of said members having at least one portion which is substantially opaque, and means for rotating said radiation-blocking members, said radiation-blocking members, when rotated, being adapted in at least one angular position to substantially block the passage of radiation through said panel, and in a plurality of other, selectable, angular positions, to provide a plurality of differing radiation transmissivities, characterized by a plurality of substantially transparent tubular cells, said radiation-blocking members being mounted in at least some of said tubular cells, and means for rotating said radiation-blocking members inside said tubular cells.