ALBERT J KOLFF
Architects in New Canaan, CT

License number
Massachusetts 6360
Issued Date
Nov 8, 1985
Expiration Date
Aug 31, 1997
Type
Architect
Address
Address
New Canaan, CT 06840

Professional information

Albert Kolff Photo 1

Rear Projection Screen Assembly

US Patent:
5033843, Jul 23, 1991
Filed:
Mar 10, 1989
Appl. No.:
7/322088
Inventors:
Albert Kolff - New Canaan CT
Assignee:
Albert Kolff Architects, P.C. - New Canaan CT
International Classification:
G03B 2110
US Classification:
353122
Abstract:
A rear projection screen assembly comprising a transparent screen suitable for passage therethrough of a light beam emanating from a rear projector apparatus, means for supporting the screen such that it is positionable to intercept the light beam, means in operative association with the screen, for supporting at least one sheet of translucent material, such that the transluscent material can be releasably fixed to the screen adjacent a screen surface opposite the screen surface first encountered by the light beam; and a kit suitable for construction of a rear projection screen assembly; and further includes a method of graphically modifying an image projected by a rear projection apparatus.