SE356395BSE212269ASE212269ASE356395BSE 356395 BSE356395 BSE 356395BSE 212269 ASE212269 ASE 212269ASE 212269 ASE212269 ASE 212269ASE 356395 BSE356395 BSE 356395B
Authority
SE
Sweden
Application number
SE212269A
Inventor
K Tischer
H Vogel
A Arth
Original Assignee
Int Standard Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19681562027external-prioritypatent/DE1562027A1/de
Application filed by Int Standard Electric CorpfiledCriticalInt Standard Electric Corp
Publication of SE356395BpublicationCriticalpatent/SE356395B/xx
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
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
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
H01J1/15—Cathodes heated directly by an electric current