EP 0947972 A3 20000412 - Display panel for changeable informations
Title (en)
Display panel for changeable informations
Title (de)
Anzeigetafel zur Wiedergabe veränderlicher Informationen
Title (fr)
Panneaux d'affichage pour informations variables
Publication
Application
Priority
DE 19816345 A 19980401
Abstract (en)
[origin: EP0947972A2] The display panel has the displayed information represented by a number of image points provided by different color particles (2), with image particles for the different colors held in respective supply containers (1) and transported to the image plane for assembly of the color image representing the information via a feed device. The color particles are fed back to the individual supply containers via a color-selective sorting device (7).
IPC 1-7
IPC 8 full level
G09F 9/37 (2006.01)
CPC (source: EP)
G09F 9/377 (2013.01)
Citation (search report)
- [A] WO 9810403 A1 19980312 - TESAC KK [JP], et al
- [A] DE 1462923 A1 19690123 - RYDSTROEM HANS FREDRIK
- [A] US 3249302 A 19660503 - BOWLES ROMALD E
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)
EP 0947972 A2 19991006; EP 0947972 A3 20000412; DE 19816345 A1 19991007
DOCDB simple family (application)
EP 99250104 A 19990401; DE 19816345 A 19980401