EP 1242850 A1 20020925 - OVERHEAD PROJECTOR HAVING A MODULAR INNER ENCLOSURE
Title (en)
OVERHEAD PROJECTOR HAVING A MODULAR INNER ENCLOSURE
Title (de)
OVERHEADPROJEKTOR MIT MODULAREM INNENGEHÄUSE
Title (fr)
RETROPROJECTEUR POURVU D'UN BOITIER INTERIEUR MODULAIRE
Publication
Application
Priority
- US 0022154 W 20000810
- US 47225799 A 19991227
Abstract (en)
[origin: WO0148552A1] An embodiment of an overhead projector (10) including an outer enclosure including a projection stage; a plurality of hazardous components; and an inner enclosure (30) located inside of the outer enclosure, wherein the inner enclosure meets both fire and electrical enclosure requirements and the inner enclosure encloses all hazardous components. The inner enclosure is a modular electrical and optical assembly located inside of the outer enclosure including a main shell compartment, the hazardous components - including a transformer (50) having a core and a primary winding placed inside the main shell compartment - a projection lamp (44) electrically coupled to the first winding. The projection lamp has a light source portion and electrical contacts. The projection lamp is optically aligned with respect to the stage.
IPC 1-7
IPC 8 full level
G03B 21/132 (2006.01)
CPC (source: EP)
G03B 21/132 (2013.01)
Citation (search report)
See references of WO 0148552A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 0148552 A1 20010705; AU 6637600 A 20010709; CA 2395679 A1 20010705; EP 1242850 A1 20020925; MX PA02006404 A 20021129; TW 455734 B 20010921
DOCDB simple family (application)
US 0022154 W 20000810; AU 6637600 A 20000810; CA 2395679 A 20000810; EP 00954025 A 20000810; MX PA02006404 A 20000810; TW 89124903 A 20001123