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
GB17972/27A
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 GB289417ApublicationCriticalpatent/GB289417A/en
H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
H01J19/44—Insulation between electrodes or supports within the vacuum space
Landscapes
High-Tension Arc-Extinguishing Switches Without Spraying Means
(AREA)
Abstract
289,417. Naamlooze Vennootschap Philips' Gloeilampenfabrieken. April 27, 1927, [Convention date]. Vacuum tubes.-In order to prevent the deposition of a conducting cleaning-up material on a re-entrant stem or pinch 1, shields in the form of metal strips 6 are mounted so as to extend along and above each side of the leading-in wires so as to form an inverted U. The strips may be of nickel, the ends being secured to anode supports 4 by means of short extensions 7 at right angles.
GB17972/27A1927-04-271927-07-06Improvements relating to thermionic valves or electron discharge tubes
ExpiredGB289417A
(en)