EP 0046091 A3 19820317 - DATA DISPLAY DEVICE
Title (en)
DATA DISPLAY DEVICE
Publication
Application
Priority
FR 8016076 A 19800718
Abstract (en)
[origin: US4394652A] The invention refers to a system for data display by means of magnetically controlled bistable rotors. It is characterized by the fact that this point is itself comprised of several colored ranges which are juxtaposed and borne by distinct rotors (101, 102, 103, 104) grouped to be controlled synchronously and by the fact that, so that all the rotors of the same group are activated at the same time, this system includes a single electromagnet (10) the poles (17, 18) of which are placed in the plane of the axes of the rotors on either side of this group of rotors so as to directly exert their effect only on the permanent magnets (6) of the rotors (101, 102, 103, 104) located at the ends of the group, and this exclusively on their pole oriented towards the outside of the group. Application to display of data which must be read at great distances.
IPC 1-7
IPC 8 full level
G09F 9/37 (2006.01)
CPC (source: EP US)
G09F 9/375 (2013.01 - EP US)
Citation (search report)
- [A] US 3638550 A 19720201 - HEREFORD JOHN R
- US 3924226 A 19751202 - LACY ROBERT H, et al
Designated contracting state (EPC)
AT BE CH DE FR GB IT LU NL SE
DOCDB simple family (publication)
EP 0046091 A2 19820217; EP 0046091 A3 19820317; EP 0046091 B1 19850814; AT E14950 T1 19850815; CA 1158435 A 19831213; DE 3171798 D1 19850919; FR 2487098 A1 19820122; FR 2487098 B1 19840713; JP S5778082 A 19820515; US 4394652 A 19830719
DOCDB simple family (application)
EP 81400826 A 19810525; AT 81400826 T 19810525; CA 381939 A 19810717; DE 3171798 T 19810525; FR 8016076 A 19800718; JP 11288081 A 19810718; US 27000781 A 19810603