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
GB29413/25A
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.)
Dubilier Condenser Co 1925 Ltd
Original Assignee
Dubilier Condenser Co 1925 Ltd
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 Dubilier Condenser Co 1925 LtdfiledCriticalDubilier Condenser Co 1925 Ltd
Publication of GB243381ApublicationCriticalpatent/GB243381A/en
H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
H01J19/78—One or more circuit elements structurally associated with the tube
Abstract
243,381. Dubilier Condenser Co. (1925), Ltd., (Assignees of Nyman, A.). Nov. 21, 1924, [Convention date]. Vacuum tubes. - A thermionic valve or other tube has has a grid-leak resistance and an anode-coupling resistance mounted inside the bulb, the grid-leak resistance being connected with the grid and filament. As shown a coupling resistance 9, consisting of material not subject to changes of heat, is connected between the anode 6 and a ferrule 3 surrounding the neck; a leak resistance 8 of moulded material freed of gas is mounted on the stem 2 and is in contact with the leads 10 of the filament 5 and supports 14 for the grid 16, or the leak resistance may consist of a paste applied to the stem.
GB29413/25A1924-11-211925-11-21Improvements in and relating to vacuum tubes
ExpiredGB243381A
(en)