EP 0073205 A1 19830309 - DEVICE ALLOWING THE VISUALIZATION OF AN IMAGE CARRIED BY A TRANSPARENT MEDIUM.
Title (en)
DEVICE ALLOWING THE VISUALIZATION OF AN IMAGE CARRIED BY A TRANSPARENT MEDIUM.
Title (de)
VORRICHTUNG ZUR BETRACHTUNG EINES BILDES, GETRAGEN DURCH EINE TRANSPARANTE UNTERLAGE.
Title (fr)
DISPOSITIF PERMETTANT L'OBSERVATION D'UNE IMAGE PORTEE PAR UN SUPPORT TRANSPARENT.
Publication
Application
Priority
CH 132581 A 19810227
Abstract (en)
[origin: WO8202959A1] The image to be visualized is placed against the front face (13) of a transparent plate (1) of plastic material, forming a light guide, lit through its cross section (2) by a neon tube (4) and a parabolic projector (5). The rear face (6) of the plate (1) being coated with a reflecting material layer (7), the image, a photographic negative or a slide, is lit and thus made visible.
Abstract (fr)
L'image a observer se place contre la face anterieure (13) d'une plaque transparente (1) de matiere plastique, formant guide de lumiere, eclairee par sa tranche (2) par un tube au neon (4) et un projecteur parabolique (5). La face posterieure (6) de la plaque (1) etant revetue d'une couche de matiere reflechissante (7), l'image, negatif photographique ou diapositive, est eclairee et est ainsi rendue visible.
IPC 1-7
IPC 8 full level
F21V 8/00 (2006.01); G02B 27/02 (2006.01)
CPC (source: EP)
G02B 6/0055 (2013.01); G02B 6/0088 (2013.01); G02B 27/024 (2013.01)
Designated contracting state (EPC)
AT BE DE FR GB LU NL SE
DOCDB simple family (publication)
WO 8202959 A1 19820902; CH 640356 A5 19831230; EP 0073205 A1 19830309
DOCDB simple family (application)
CH 8200027 W 19820223; CH 132581 A 19810227; EP 82900535 A 19820223