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.)
AEG AG
Original Assignee
Allgemeine Elektricitaets Gesellschaft
AEG AG
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Filing date
Publication date
Application filed by Allgemeine Elektricitaets Gesellschaft, AEG AGfiledCriticalAllgemeine Elektricitaets Gesellschaft
Application grantedgrantedCritical
Publication of FR843586ApublicationCriticalpatent/FR843586A/fr
H01J3/00—Details of electron-optical or ion-optical arrangements common to two or more basic types of discharge tubes or lamps
H01J3/02—Electron guns
H01J3/024—Electron guns using thermionic emission of cathode heated by electron or ion bombardment or by irradiation by other energetic beams, e.g. by laser
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J3/00—Details of electron-optical or ion-optical arrangements common to two or more basic types of discharge tubes or lamps
H01J3/02—Electron guns
H01J3/025—Electron guns using a discharge in a gas or a vapour as electron source
Landscapes
Physics & Mathematics
(AREA)
Optics & Photonics
(AREA)
FR843586D1937-09-181938-09-17Tube à décharge électrique avec cathode incandescente chauffée par bombardement électronique
ExpiredFR843586A
(fr)