EP 0516218 B1 19951025 - Cathode ray tube comprising a display window.
Title (en)
Cathode ray tube comprising a display window.
Title (de)
Elektronenstrahlröhre mit Bildfenster.
Title (fr)
Tube à rayons cathodiques avec fenêtre d'image.
Publication
Application
Priority
- EP 92201429 A 19920520
- EP 91201277 A 19910529
- EP 92200351 A 19920210
Abstract (en)
[origin: EP0516218A1] A cathode ray tube comprising a curved substantially rectangular display window, the outside surface and/or inside surface of the display window being given by: z = f(X, Y> where each point situated off the x-axis and the y-axis complies with the formula - 2ROOT zxxzyy < zxy/signXY < 0 where zxx = DIFFERENTIAL <2>z/ DIFFERENTIAL X<2>, zyy = DIFFERENTIAL <2>z/ DIFFERENTIAL Y<2> and zxy = DIFFERENTIAL <2>z/( DIFFERENTIAL X DIFFERENTIAL Y> signXY = +1 for X*Y > 0, and signXY = -1 for X*Y < 0. An improved reflection image of linear light sources is obtained. <IMAGE>
IPC 1-7
IPC 8 full level
H01J 29/86 (2006.01)
CPC (source: EP)
H01J 29/861 (2013.01); H01J 2229/862 (2013.01)
Designated contracting state (EPC)
AT DE ES FR GB IT
DOCDB simple family (publication)
DOCDB simple family (application)
EP 92201429 A 19920520