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
GB29543/45A
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.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
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.)
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
H—ELECTRICITY
H01—ELECTRIC ELEMENTS
H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
H01J2893/00—Discharge tubes and lamps
H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
H01J2893/0002—Construction arrangements of electrode systems
Landscapes
Vessels And Coating Films For Discharge Lamps
(AREA)
Abstract
603,938. Thermionic valves. PHILIPS LAMPS, Ltd. Nov. 6, 1945, No. 29543. Convention date, July 15, 1940. [Class 39 (i)] In an electron discharge tube, the electrode system 1 is secured to a support 5, which acts as carrier for the system and as a screen for a lead-in 6 to a grid, the lead-in passing outside of the system. Mica spacers 2, 3, 4 are used to attach the system to the support, which is welded to a metal baseplate 7. The subjectmatter of this Specification is identical with that of Specification 549,275.
GB29543/45A1940-07-151945-11-06Improvements in or relating to electric discharge tubes
ExpiredGB603938A
(en)