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FR1303636A - Improvements to radiant electrical systems, in particular to flat cathodes or the like - Google Patents

Improvements to radiant electrical systems, in particular to flat cathodes or the like

Info

Publication number
FR1303636A
FR1303636A FR870014A FR870014A FR1303636A FR 1303636 A FR1303636 A FR 1303636A FR 870014 A FR870014 A FR 870014A FR 870014 A FR870014 A FR 870014A FR 1303636 A FR1303636 A FR 1303636A
Authority
FR
France
Prior art keywords
electrical systems
flat cathodes
radiant electrical
radiant
cathodes
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
FR870014A
Other languages
French (fr)
Inventor
Charles Zlotykamin
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.)
Electronique & Physique
Laboratoires dElectronique Philips SAS
Original Assignee
Electronique & Physique
Laboratoires dElectronique et de Physique Appliquee
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 Electronique & Physique, Laboratoires dElectronique et de Physique Appliquee filed Critical Electronique & Physique
Priority to FR870014A priority Critical patent/FR1303636A/en
Application granted granted Critical
Publication of FR1303636A publication Critical patent/FR1303636A/en
Priority to OA50832A priority patent/OA00763A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/026—Eliminating deleterious effects due to thermal effects, electric or magnetic field
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • 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
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/22—Heaters
FR870014A 1961-08-04 1961-08-04 Improvements to radiant electrical systems, in particular to flat cathodes or the like Expired FR1303636A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR870014A FR1303636A (en) 1961-08-04 1961-08-04 Improvements to radiant electrical systems, in particular to flat cathodes or the like
OA50832A OA00763A (en) 1961-08-04 1964-12-12 Improvements made to radiant electrical systems, in particular to flat cathodes or the like.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR870014A FR1303636A (en) 1961-08-04 1961-08-04 Improvements to radiant electrical systems, in particular to flat cathodes or the like

Publications (1)

Publication Number Publication Date
FR1303636A true FR1303636A (en) 1962-09-14

Family

ID=8760727

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870014A Expired FR1303636A (en) 1961-08-04 1961-08-04 Improvements to radiant electrical systems, in particular to flat cathodes or the like

Country Status (2)

Country Link
FR (1) FR1303636A (en)
OA (1) OA00763A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2423856A1 (en) * 1978-04-17 1979-11-16 Gte Sylvania Inc Fast warm=up cathode heater assembly - for electron discharge device
WO2001099140A1 (en) * 2000-06-21 2001-12-27 Thomson Licensing S.A. Cathode with optimised thermal efficiency
FR2810790A1 (en) * 2000-06-21 2001-12-28 Thomson Tubes & Displays Cathode ray tube electron gun cathode having emissive section with metallic cap holding heating filament and side skirt section cap wall opening applied pad connection.
DE10211947A1 (en) * 2002-03-18 2003-10-16 Siemens Ag Thermionic emitter, especially for x-ray tubes, has magnetic field compensation arrangement with current generating magnetic field that substantially compensates field generated by heating current

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2423856A1 (en) * 1978-04-17 1979-11-16 Gte Sylvania Inc Fast warm=up cathode heater assembly - for electron discharge device
WO2001099140A1 (en) * 2000-06-21 2001-12-27 Thomson Licensing S.A. Cathode with optimised thermal efficiency
FR2810789A1 (en) * 2000-06-21 2001-12-28 Thomson Tubes & Displays Cathode for electron gun includes reflective skirt beneath heating filament to direct heat energy on to emissive element
FR2810790A1 (en) * 2000-06-21 2001-12-28 Thomson Tubes & Displays Cathode ray tube electron gun cathode having emissive section with metallic cap holding heating filament and side skirt section cap wall opening applied pad connection.
US6946781B2 (en) 2000-06-21 2005-09-20 Thomson Licensing S.A. Cathode with optimized thermal efficiency
DE10211947A1 (en) * 2002-03-18 2003-10-16 Siemens Ag Thermionic emitter, especially for x-ray tubes, has magnetic field compensation arrangement with current generating magnetic field that substantially compensates field generated by heating current

Also Published As

Publication number Publication date
OA00763A (en) 1967-11-15

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