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Dr Erich F Huth GmbH
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Dr Erich F Huth GmbH
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Application grantedgrantedCritical
Publication of FR533367ApublicationCriticalpatent/FR533367A/fr
H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
H01J1/02—Main electrodes
H01J1/13—Solid thermionic cathodes
H01J1/135—Circuit arrangements therefor, e.g. for temperature control
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03F—AMPLIFIERS
H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
H03F3/02—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
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Engineering & Computer Science
(AREA)
Power Engineering
(AREA)
General Induction Heating
(AREA)
Lasers
(AREA)
FR533367D1919-03-221921-03-29Procédé et dispositif pour l'amplification d'oscillations électriques au moyen de ubes à cathode incandescente
ExpiredFR533367A
(fr)