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
GB14426/36A
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 GB475521ApublicationCriticalpatent/GB475521A/en
H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
H01J1/02—Main electrodes
H01J1/13—Solid thermionic cathodes
H01J1/15—Cathodes heated directly by an electric current
H01J1/18—Supports; Vibration-damping arrangements
Landscapes
Spinning Or Twisting Of Yarns
(AREA)
Yarns And Mechanical Finishing Of Yarns Or Ropes
(AREA)
Abstract
475,521. Thermionic valves. NAAMLOOZE VENNOOTSCHAP PHILIPS' GLOEILAMPENFABRIEKEN. May 21, 1936, No. 14426. Convention date, Aug. 3, 1935. [Class 39 (i)] In a thermionic valve with a directly-heated cathode 2 supported by a hook tensioned by a spring, the cathode is forced at one or more points against the side of a hole formed in a mica spacer 11, which lies outside the discharge space. The spring is supported on a second spacer for the electrodes.
GB14426/36A1935-08-031936-05-21Improvements in supports for filamentary cathodes in thermionic valves
ExpiredGB475521A
(en)