EP 0603465 B1 19990421 - Method and device for optical presentation of information
Title (en)
Method and device for optical presentation of information
Title (de)
Verfahren und Anordnung zur optischen Darstellung von Informationen
Title (fr)
Procédure et disposition pour la représentation optique d'informations
Publication
Application
Priority
DE 4244448 A 19921223
Abstract (en)
[origin: EP0603465A1] The invention relates to a method and a device for optical presentation of information by means of a plurality of projection modules on a transparent projection surface using transmitted-light projection. The object, to develop a method and an arrangement of the generic kind which is cost-advantageous and ensures a bright, high-contrast, homogeneous image for the viewer, is solved in that each projection module consists of a light source which has a divergent beam path and transilluminates a controllable light valve, and, arranged behind it, the projection surface. The distance between the light valve and the projection surface is selected such that the part images of neighbouring modules, which are projected onto the projection surface, border each other without gaps. <IMAGE>
IPC 1-7
IPC 8 full level
G09F 9/35 (2006.01); G09F 19/18 (2006.01)
CPC (source: EP US)
G09F 9/35 (2013.01 - EP US); G09F 19/18 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0603465 A1 19940629; EP 0603465 B1 19990421; AT E179272 T1 19990515; AU 4624693 A 19940707; AU 671140 B2 19960815; DE 4244448 A1 19940707; DE 4244448 C2 19950413; DE 59309529 D1 19990527; US 5664353 A 19970909
DOCDB simple family (application)
EP 93114019 A 19930902; AT 93114019 T 19930902; AU 4624693 A 19930910; DE 4244448 A 19921223; DE 59309529 T 19930902; US 15363193 A 19931117