FR504591A - Electrode improvements for vacuum discharge devices - Google Patents

Electrode improvements for vacuum discharge devices

Info

Publication number
FR504591A
FR504591A FR504591A FR504591DA FR504591A FR 504591 A FR504591 A FR 504591A FR 504591 A FR504591 A FR 504591A FR 504591D A FR504591D A FR 504591DA FR 504591 A FR504591 A FR 504591A
Authority
FR
France
Prior art keywords
discharge devices
vacuum discharge
electrode
electrode improvements
vacuum
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
FR504591A
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR504591A publication Critical patent/FR504591A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • 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
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0013—Sealed electrodes
FR504591A 1918-08-07 1919-10-06 Electrode improvements for vacuum discharge devices Expired FR504591A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US504591XA 1918-08-07 1918-08-07

Publications (1)

Publication Number Publication Date
FR504591A true FR504591A (en) 1920-07-08

Family

ID=21965369

Family Applications (1)

Application Number Title Priority Date Filing Date
FR504591A Expired FR504591A (en) 1918-08-07 1919-10-06 Electrode improvements for vacuum discharge devices

Country Status (1)

Country Link
FR (1) FR504591A (en)

Similar Documents

Publication Publication Date Title
FR504591A (en) Electrode improvements for vacuum discharge devices
FR492319A (en) Improvements to devices for coupling vehicle wheels
FR529623A (en) filter electrode
FR490333A (en) Pneumatic call for blackbirds
CA188317A (en) Liquid trap
FR504587A (en) Vacuum cleaner for surgical uses
FR495667A (en) Devices for switches and switches
FR498044A (en) Improvements to electrical connection devices
FR490406A (en) Improvements to denture suction devices
FR506314A (en) Mount for two coupled machine guns
FR494579A (en) Improvements to cooling devices for valves
FR489821A (en) Improvements in safety devices for automobiles
FR511643A (en) Improvements to electrical indicating devices
FR494055A (en) Improvements in suspension devices
FR471012A (en) Improvements to devices to increase the vacuum in condensers
CA192847A (en) Liquid extractig device
FR499503A (en) Improvements to detonator devices for projectiles
CA188857A (en) Closure for discharge apertures
FR518510A (en) Improvements to vacuum cleaning devices
CA196920A (en) Electrode for vacuum discharge devices
FR505630A (en) Improvements in devices for the projection of light
FR494157A (en) Vacuum unloader for low voltages
CA194439A (en) Device for lifting concrete forms
FR501390A (en) Improvements to differentials for bench-to-spindles
FR526830A (en) Improvements to devices for discharging materials from receptacles