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1. EP0576462 - COLOUR TELEVISION TUBE.

Office
European Patent Office
Application Number 92906003
Application Date 10.03.1992
Publication Number 0576462
Publication Date 05.01.1994
Publication Kind B1
IPC
H01J 29/76
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
29Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/113
46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
70Arrangements for deflecting ray or beam
72along one straight line or along two perpendicular straight lines
76Deflecting by magnetic fields only
H01J 29/50
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
29Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/113
46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
48Electron guns
50two or more guns being arranged in a single vacuum space, e.g. for plural-ray tubes
H01J 29/86
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
29Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/113
86Vessels; Containers; Vacuum locks
CPC
H01J 29/503
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
29Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
48Electron guns
50two or more guns in a single vacuum space, e.g. for plural-ray tube
503Three or more guns, the axes of which lay in a common plane
H01J 29/861
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
29Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
86Vessels; Containers; Vacuum locks
861Vessels or containers characterised by the form or the structure thereof
H01J 2229/8609
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
2229Details of cathode ray tubes or electron beam tubes
86Vessels and containers
8603Neck or cone portions of the CRT vessel
8606characterised by the shape
8609Non circular cross-sections
Applicants THOMSON BRANDT GMBH
Inventors OHNEMUS FRITZ
Designated States
Priority Data 4109274 21.03.1991 DE
9200523 10.03.1992 EP
Title
(DE) FARBBILDRÖHRE.
(EN) COLOUR TELEVISION TUBE.
(FR) TUBE IMAGE EN COULEURS.
Abstract
(DE)
Aufgabe ist es, bei einer inline-Farbbildröhre die Ablenkempfindlichkeit zu erhöhen. Der Querschnitt des Röhrenhalses (6) im Bereich der Ablenkspulen (12) ist von der Kreisform abweichend etwa dem Breit/Höhe-Verhältnis des Bildschirms (2) angepaßt ausgebildet. Insbesondere für inline-Farbbildröhren mit 16:9 Bildschirm.

(EN)
To increase the deflection sensitivity in an inline colour television tube, the cross-section of the tube neck (6) in the region of the deflection coils (12) deviates from the circular so that it conforms approximately to the width/height ratio of the picture screen (2). In particular for inline colour television tubes with a 16:9 picture screen.

(FR)
La tâche consiste à augmenter, dans un tube image en couleurs de type in-line, la sensibilité de balayage. La section du col du tube (6) au voisinage des bobines de balayage (12) est dimensionnée de manière à s'éloigner de la forme circulaire et à s'approcher sensiblement du rapport largeur/hauteur de l'écran (2). Ceci convient en particulier aux tubes image en couleurs du type in-line pour écran 16:9.