FR52145E - Perfectionnements aux lampes électroniques, dans lesquelles le faisceau électronique à modulation de vitesse sert à exiter des résonnateurs creux
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Perfectionnements aux lampes électroniques, dans lesquelles le faisceau électronique à modulation de vitesse sert à exiter des résonnateurs creux
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Licentia Patent Verwaltungs GmbH
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Licentia Patent Verwaltungs GmbH
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Application filed by Licentia Patent Verwaltungs GmbHfiledCriticalLicentia Patent Verwaltungs GmbH
Application grantedgrantedCritical
Publication of FR52145EpublicationCriticalpatent/FR52145E/fr
H01J19/30—Non-electron-emitting electrodes; Screens characterised by the material
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2893/00—Discharge tubes and lamps
H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
H01J2893/0012—Constructional arrangements
H01J2893/0019—Chemical composition and manufacture
H01J2893/002—Chemical composition and manufacture chemical
FR52145D1942-05-191942-05-19Perfectionnements aux lampes électroniques, dans lesquelles le faisceau électronique à modulation de vitesse sert à exiter des résonnateurs creux
ExpiredFR52145E
(fr)