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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Nokia Spain SA
Original Assignee
Alcatel Espana SA
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Publication date
Priority claimed from US607982Aexternal-prioritypatent/US2524765A/en
Application filed by Alcatel Espana SAfiledCriticalAlcatel Espana SA
Publication of ES175447A1publicationCriticalpatent/ES175447A1/es
Sistema de radiofaro que comprende un emisor productor de diagrama orientado; el medio de hacer que dicho radiofaro funcione con frecuencia portadora; inferior a 200 kiloperíodos por segundo; y el medio de producir una variación de señal de dicha frecuencia portadora que produzca laterales esenciales limitadas a una gama inferior a + - 80 periodos por segundo.
ES0175447A1945-07-311946-10-24Mejoras en sistemas de radiofaros
ExpiredES175447A1
(es)