FR756662A - Electric arc and gas atmosphere discharge tube - Google Patents

Electric arc and gas atmosphere discharge tube

Info

Publication number
FR756662A
FR756662A FR756662DA FR756662A FR 756662 A FR756662 A FR 756662A FR 756662D A FR756662D A FR 756662DA FR 756662 A FR756662 A FR 756662A
Authority
FR
France
Prior art keywords
gas atmosphere
discharge tube
electric arc
atmosphere discharge
arc
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.)
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
Priority claimed from NL61706A external-priority patent/NL36712C/xx
Priority claimed from DEN34758D external-priority patent/DE597745C/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR756662A publication Critical patent/FR756662A/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
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
FR756662D 1932-06-30 1933-06-07 Electric arc and gas atmosphere discharge tube Expired FR756662A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL61706A NL36712C (en) 1932-06-30 1932-06-30
DEN34758D DE597745C (en) 1933-01-17 1933-01-17 Electric discharge tubes with metal vapor filling, in particular for emitting light beams

Publications (1)

Publication Number Publication Date
FR756662A true FR756662A (en) 1933-12-13

Family

ID=33553317

Family Applications (2)

Application Number Title Priority Date Filing Date
FR756663D Expired FR756663A (en) 1932-06-30 1933-06-07 Electric discharge tube
FR756662D Expired FR756662A (en) 1932-06-30 1933-06-07 Electric arc and gas atmosphere discharge tube

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR756663D Expired FR756663A (en) 1932-06-30 1933-06-07 Electric discharge tube

Country Status (6)

Country Link
AT (2) AT135172B (en)
CH (3) CH169848A (en)
DE (2) DE632922C (en)
DK (3) DK48606C (en)
FR (2) FR756663A (en)
GB (2) GB411293A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE758003C (en) * 1940-06-08 1953-07-13 Edmund Dr Germer Tubular electric discharge lamp, in particular high or maximum pressure discharge tubes for light and / or ultraviolet radiation

Also Published As

Publication number Publication date
AT135172B (en) 1933-10-25
FR756663A (en) 1933-12-13
CH169848A (en) 1934-06-15
DK48850C (en) 1934-06-11
DK49527C (en) 1934-11-12
CH171167A (en) 1934-08-15
DE632922C (en) 1936-07-16
AT136486B (en) 1934-02-10
GB411293A (en) 1934-06-07
GB410621A (en) 1934-05-24
DE632920C (en) 1936-07-15
CH170226A (en) 1934-06-30
DK48606C (en) 1934-04-09

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