A COLOUR SELECTION MEANS FOR A CATHODE RAY TUBE COMPRISING A TENSION MASK

A COLOUR SELECTION MEANS FOR A CATHODE RAY TUBE COMPRISING A TENSION MASK

A color selection means is described in which the mask (50) is stretched under tension and connected to a support frame. The support frame accurately determines the mask contour, while the mask is connected to this frame in a flexible way by mechanical means so that differences in expansion behavior...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: VAN RENS, PIET, C., J, LIGTHART, HENRICUS, J
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Beschreibung
Zusammenfassung:A color selection means is described in which the mask (50) is stretched under tension and connected to a support frame. The support frame accurately determines the mask contour, while the mask is connected to this frame in a flexible way by mechanical means so that differences in expansion behavior of the mask and the frame can be handled. These connection means can be either lugs or resilient elements (59).Such a color selection means may be used in a color display tube having an at least substantially flat display screen.