FR824365A - Electrodes for discharge lamps - Google Patents

Electrodes for discharge lamps

Info

Publication number
FR824365A
FR824365A FR824365DA FR824365A FR 824365 A FR824365 A FR 824365A FR 824365D A FR824365D A FR 824365DA FR 824365 A FR824365 A FR 824365A
Authority
FR
France
Prior art keywords
electrodes
discharge lamps
lamps
discharge
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
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.)
Societe Francaise Radio Electrique
Original Assignee
Societe Francaise Radio Electrique
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 Societe Francaise Radio Electrique filed Critical Societe Francaise Radio Electrique
Application granted granted Critical
Publication of FR824365A publication Critical patent/FR824365A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J1/32—Secondary-electron-emitting electrodes
FR824365D 1936-10-23 1936-10-23 Electrodes for discharge lamps Expired FR824365A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR716974X 1936-10-23

Publications (1)

Publication Number Publication Date
FR824365A true FR824365A (en) 1938-02-07

Family

ID=9089828

Family Applications (1)

Application Number Title Priority Date Filing Date
FR824365D Expired FR824365A (en) 1936-10-23 1936-10-23 Electrodes for discharge lamps

Country Status (4)

Country Link
US (1) US2189971A (en)
DE (1) DE716974C (en)
FR (1) FR824365A (en)
GB (1) GB488688A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744105C (en) * 1939-09-14 1944-01-10 Zeiss Ikon Ag Process for increasing the secondary emission yield of secondary emission-capable layers
DE889812C (en) * 1941-03-14 1953-09-14 Telefunken Gmbh Incandescent cathode for electric discharge tubes

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB670583A (en) * 1945-11-07 1952-04-23 Emi Ltd Improvements in or relating to electron discharge devices employing secondary-electron-emission and electrodes for use therein
NL97180C (en) * 1953-05-21
US4792680A (en) * 1987-01-12 1988-12-20 Xerox Corporation Corona device having a beryllium copper screen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE744105C (en) * 1939-09-14 1944-01-10 Zeiss Ikon Ag Process for increasing the secondary emission yield of secondary emission-capable layers
DE889812C (en) * 1941-03-14 1953-09-14 Telefunken Gmbh Incandescent cathode for electric discharge tubes

Also Published As

Publication number Publication date
GB488688A (en) 1938-07-12
US2189971A (en) 1940-02-13
DE716974C (en) 1942-02-03

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