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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of ES220569A1publicationCriticalpatent/ES220569A1/es
Physical Or Chemical Processes And Apparatus
(AREA)
Abstract
Dispositivo que comprende un tubo de descarga en gas y/o vapor, provisto de dos electrodos de filamento alimentados por un transformador de corriente de filamento, caracterizado porque uno de los electrodos de filamento está conectado en serie con el devanado primario de un transformador auxiliar a un devanado secundario del transformador de corriente de filamento y el otro electrodo de filamento al devanado secundario del transformador auxiliar, cuyo devanado está separado galvánicamente dl devanado primario, siendo este transformador auxiliar de la clase cuya impedancia es, en circuito abierto, un múltiplo de la plena carga.
ES0220569A1954-03-121955-03-09Un dispositivo que comprende un tubo de descarga en gas y / o vapor
ExpiredES220569A1
(es)