EP 0637833 B1 19981007 - Colour cathode ray tube
Title (en)
Colour cathode ray tube
Title (de)
Farbkathodenstrahlröhre
Title (fr)
Tube à rayons cathodiques en couleurs
Publication
Application
Priority
BE 9300804 A 19930802
Abstract (en)
[origin: EP0637833A1] By selecting the number of apertures in the shadow mask of a colour cathode ray tube to be in the range between 690 and 770, such a cathode ray tube can be used both in a PAL and an NTSC system without the occurrence of disturbing Moiré effects. <IMAGE>
IPC 1-7
IPC 8 full level
H01J 29/07 (2006.01); H04N 3/16 (2006.01)
CPC (source: EP KR)
H01J 29/07 (2013.01 - KR); H01J 29/076 (2013.01 - EP)
Designated contracting state (EPC)
DE FR GB IT NL
DOCDB simple family (publication)
EP 0637833 A1 19950208; EP 0637833 B1 19981007; BE 1007430 A3 19950613; DE 69413763 D1 19981112; DE 69413763 T2 19990520; JP 3577574 B2 20041013; JP H0778572 A 19950320; KR 100314691 B1 20020321; KR 950006930 A 19950321; TW 273031 B 19960321
DOCDB simple family (application)
EP 94202200 A 19940728; BE 9300804 A 19930802; DE 69413763 T 19940728; JP 19804794 A 19940729; KR 19940017910 A 19940725; TW 83107731 A 19940823