AU2639549A - Improvements in or relating to electric discharge tubes ofthe kind comprising an indirectly heated cathode - Google Patents

Improvements in or relating to electric discharge tubes ofthe kind comprising an indirectly heated cathode

Info

Publication number
AU2639549A
AU2639549A AU26395/49A AU2639549A AU2639549A AU 2639549 A AU2639549 A AU 2639549A AU 26395/49 A AU26395/49 A AU 26395/49A AU 2639549 A AU2639549 A AU 2639549A AU 2639549 A AU2639549 A AU 2639549A
Authority
AU
Australia
Prior art keywords
relating
electric discharge
discharge tubes
indirectly heated
heated cathode
Prior art date
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
AU26395/49A
Other versions
AU142233B2 (en
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
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of AU142233B2 publication Critical patent/AU142233B2/en
Publication of AU2639549A publication Critical patent/AU2639549A/en
Expired legal-status Critical Current

Links

AU26395/49A 1949-03-14 Improvements in or relating to electric discharge tubes ofthe kind comprising an indirectly heated cathode Expired AU142233B2 (en)

Publications (2)

Publication Number Publication Date
AU142233B2 AU142233B2 (en) 1949-04-14
AU2639549A true AU2639549A (en) 1949-04-14

Family

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