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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Sony Corp
Original Assignee
Sony Corp
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Filing date
Publication date
Application filed by Sony CorpfiledCriticalSony Corp
Priority to JP49034920ApriorityCriticalpatent/JPS5829567B2/ja
Publication of JPS50128457ApublicationCriticalpatent/JPS50128457A/ja
Publication of JPS5829567B2publicationCriticalpatent/JPS5829567B2/ja
Color television picture tube having a fluorescent screen with a metal back of thickness to pass incident electrons and to limit the passage of secondary electrons