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.)
Ver Gluehlampen & Elek AG
Original Assignee
Ver Gluehlampen & Elek AG
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Filing date
Publication date
Application filed by Ver Gluehlampen & Elek AGfiledCriticalVer Gluehlampen & Elek AG
Application grantedgrantedCritical
Publication of FR842482ApublicationCriticalpatent/FR842482A/en
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
H01J1/32—Secondary-electron-emitting electrodes
FR842482D1937-08-231938-08-23
Electron discharge tube with multiplier electrode
ExpiredFR842482A
(en)