AU217381B2 - Improvements in or relating to bifilarly wound heating filaments for cathodes of electric discharge tubes, and methods of manufacturing such filaments - Google Patents

Improvements in or relating to bifilarly wound heating filaments for cathodes of electric discharge tubes, and methods of manufacturing such filaments

Info

Publication number
AU217381B2
AU217381B2 AU23828/56A AU2382856A AU217381B2 AU 217381 B2 AU217381 B2 AU 217381B2 AU 23828/56 A AU23828/56 A AU 23828/56A AU 2382856 A AU2382856 A AU 2382856A AU 217381 B2 AU217381 B2 AU 217381B2
Authority
AU
Australia
Prior art keywords
filaments
cathodes
relating
manufacturing
methods
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
AU23828/56A
Other versions
AU2382856A (en
Inventor
Hinrich Blank Hans
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 AU2382856A publication Critical patent/AU2382856A/en
Publication of AU217381B2 publication Critical patent/AU217381B2/en
Expired legal-status Critical Current

Links

AU23828/56A 1956-12-10 Improvements in or relating to bifilarly wound heating filaments for cathodes of electric discharge tubes, and methods of manufacturing such filaments Expired AU217381B2 (en)

Publications (2)

Publication Number Publication Date
AU2382856A AU2382856A (en) 1957-06-13
AU217381B2 true AU217381B2 (en) 1957-06-13

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3908251A (en) * 1974-04-11 1975-09-30 Gte Sylvania Inc Method of making beaded filament coil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3908251A (en) * 1974-04-11 1975-09-30 Gte Sylvania Inc Method of making beaded filament coil

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