Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of ES217079A1publicationCriticalpatent/ES217079A1/es
Método de fabricación de grillas de gran tamaño diseñadas para tubos de rayos catódicos, más en particular para la televisión en colores, en que cada grilla comprende una pluralidad de alambres paralelos, estirados sobre un marco, caracterizado por el hecho de que como material inicial es empleado alambre estirado en frío no recocido que es asegurado al marco con un esfuerzo tensil reducido.
ES0217079A1956-08-141957-08-10UN DISPOSITIVO QUE COMPRENDE UN TUBO CONTADOR EN FORMA DE VáLVULA ELECTRONICA
ExpiredES217079A1
(es)
Improvements in or relating to methods of manufacturing grids of large size, more particularly for colour television tubes and grids manufactured by such methods
Improvements in or relating to methods of manufacturing cathode-ray tubes having a mask electrode anda target screen consisting of elements of different kinds, and cathode-ray tubes manufactured by such methods
Improvements in or relating to methods of manufacturing cathode-ray tubes having a mask electrode anda target screen consisting of elements of different kinds, and cathode-ray tubes manufactured by such methods