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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Siemens and Halske AG
Original Assignee
Siemens and Halske AG
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Filing date
Publication date
Application filed by Siemens and Halske AGfiledCriticalSiemens and Halske AG
Priority to ES0027542UpriorityCriticalpatent/ES27542Y/es
Publication of ES27542UpublicationCriticalpatent/ES27542U/es
Application grantedgrantedCritical
Publication of ES27542YpublicationCriticalpatent/ES27542Y/es
Tubo de rayo de electrones para la producción de ondas eléctricas cortas en funcionamiento de impulsos, caracterizado por un cátodo preferentemente caldeado de modo indirecto que posee un soporte revestido de una aleación de bario o de estroncio, así como un arrollamiento de alambres o cintas situados estrechamente adyacentes de metal de alto punto de fusión, que recubre a la aleación capaz de emitir.
ES0027542U1951-07-261951-07-26Tubo de rayo de electrones
ExpiredES27542Y
(es)
Arrangement for preventing the afterglow ofthe steady luminous spot afterthe switching-off of apparatus employing cathode-ray tubes, particularly television sets