FR678025A - Electric discharge lamp, filled with gas or vapor - Google Patents

Electric discharge lamp, filled with gas or vapor

Info

Publication number
FR678025A
FR678025A FR678025DA FR678025A FR 678025 A FR678025 A FR 678025A FR 678025D A FR678025D A FR 678025DA FR 678025 A FR678025 A FR 678025A
Authority
FR
France
Prior art keywords
vapor
filled
gas
discharge lamp
electric 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.)
Osa Participations Industrielles SA
Original Assignee
Osa Participations Industrielles 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
Priority claimed from DEP58175D external-priority patent/DE507502C/en
Priority claimed from DEP58429D external-priority patent/DE510595C/en
Application filed by Osa Participations Industrielles SA filed Critical Osa Participations Industrielles SA
Application granted granted Critical
Publication of FR678025A publication Critical patent/FR678025A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/10—Shields, screens, or guides for influencing the discharge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0048—Tubes with a main cathode
    • H01J2893/0056—Parts inside tubes brought to incandescence by the discharge
FR678025D 1928-07-14 1929-07-08 Electric discharge lamp, filled with gas or vapor Expired FR678025A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DEP58175D DE507502C (en) 1928-07-14 1928-07-14 Electric discharge lamp with gas or vapor filling, in which the gas or vapor discharge is guided in a hollow body arranged inside the lamp vessel
DEP58429D DE510595C (en) 1928-07-14 1928-08-21 Electric discharge lamp with gas or vapor filling
DEP60082D DE510596C (en) 1928-07-14 1929-04-16 Electric discharge lamp with gas or vapor filling
DEP60396D DE510594C (en) 1928-07-14 1929-05-27 Electric discharge lamp with gas or vapor filling, in which the gas or vapor discharge is guided in an electrically conductive and perforated hollow body arranged inside the lamp vessel

Publications (1)

Publication Number Publication Date
FR678025A true FR678025A (en) 1930-03-18

Family

ID=27437337

Family Applications (1)

Application Number Title Priority Date Filing Date
FR678025D Expired FR678025A (en) 1928-07-14 1929-07-08 Electric discharge lamp, filled with gas or vapor

Country Status (5)

Country Link
CH (1) CH140859A (en)
DE (1) DE510596C (en)
FR (1) FR678025A (en)
GB (1) GB338478A (en)
NL (1) NL28039C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2382092A1 (en) * 1977-02-23 1978-09-22 Philips Nv LOW PRESSURE GAS DISCHARGE LAMP

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1046772B (en) * 1953-04-22 1958-12-18 Patra Patent Treuhand Tube-shaped electric lamp for operation in potentially explosive areas
DE19730888A1 (en) * 1997-07-18 1999-01-28 Bosch Gmbh Robert Gas discharge lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2382092A1 (en) * 1977-02-23 1978-09-22 Philips Nv LOW PRESSURE GAS DISCHARGE LAMP

Also Published As

Publication number Publication date
CH140859A (en) 1930-06-30
GB338478A (en) 1930-11-20
DE510596C (en) 1930-10-28
NL28039C (en) 1932-10-15

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