EP 0062534 A1 19821013 - Display panel and display elements therefor.
Title (en)
Display panel and display elements therefor.
Title (de)
Anzeigetafel und Anzeigeelemente dafür.
Title (fr)
Panneau d'affichage et ses éléments d'affichage.
Publication
Application
Priority
JP 5258681 A 19810407
Abstract (en)
A display panel which is provided with a display surface structure having a large number of display elements rotatably arranged in a vertical plane. The display elements are each formed by a block member having a plurality of display surfaces of different colors and a plurality of magnetic pieces. One of the magnetic pieces is shorter than the others in a vertical direction. By successive movement of head assemblies, each comprised of a first erasing head, a second erasing head and a writing head, one or more of the display elements are turned to bring a predetermined one of their display surfaces to the front of the display surface to erase a display of a character, graph, pattern or the like provided thereon, thereafter bringing a selected one of the display surfaces of a selected display element or elements to the front of the display surface to provide thereon a display of a character, graph, pattern or the like.
IPC 1-7
IPC 8 full level
G09F 9/37 (2006.01); G09F 13/04 (2006.01)
CPC (source: EP)
G09F 9/375 (2013.01); G09F 13/0472 (2021.05)
Citation (search report)
- [Y] US 3267595 A 19660823 - LEVY MAURICE M, et al
- [Y] FR 2426950 A1 19791221 - WAKATAKE YOSHIMASA [JP]
- [Y] FR 2378327 A1 19780818 - NIHON ADVANCED PROD KK [JP]
- [A] US 3335512 A 19670815 - NEWMAN ROBERT P
- [XP] GB 2081954 A 19820224 - WAKATAKE GIKEN YK
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
EP 0062534 A1 19821013; AU 558470 B2 19870129; AU 8239582 A 19821014; CA 1191343 A 19850806; JP S57167075 A 19821014; JP S6222155 B2 19870515
DOCDB simple family (application)
EP 82301809 A 19820406; AU 8239582 A 19820406; CA 400586 A 19820406; JP 5258681 A 19810407