AU376666A - Improvements in and relating to electric discharge tubes ofthe kind comprising a cathode the surface ofwhich comprises portions of higher and portions of lower electron emission
- Google Patents
Improvements in and relating to electric discharge tubes ofthe kind comprising a cathode the surface ofwhich comprises portions of higher and portions of lower electron emission
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.)
Expired
Application number
AU3766/66A
Inventor
TENNIS VLAARDINGER BROEK and EDUARD GERHARDUS DORCHIN MARINUS
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Publication of AU376666ApublicationCriticalpatent/AU376666A/en
AU3766/66A1965-04-071966-04-01Improvements in and relating to electric discharge tubes ofthe kind comprising a cathode the surface ofwhich comprises portions of higher and portions of lower electron emission
ExpiredAU376666A
(en)
Improvements in and relating to electric discharge tubes ofthe kind comprising a cathode the surface ofwhich comprises portions of higher and portions of lower electron emission