GB410621A - Improvements in or relating to gasfilled electric arc discharge lamps - Google Patents

Improvements in or relating to gasfilled electric arc discharge lamps

Info

Publication number
GB410621A
GB410621A GB16469/33A GB1646933A GB410621A GB 410621 A GB410621 A GB 410621A GB 16469/33 A GB16469/33 A GB 16469/33A GB 1646933 A GB1646933 A GB 1646933A GB 410621 A GB410621 A GB 410621A
Authority
GB
United Kingdom
Prior art keywords
anodes
arc discharge
discharge lamps
relating
vapour
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
GB16469/33A
Other languages
English (en)
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/de
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB410621A publication Critical patent/GB410621A/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

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
GB16469/33A 1932-06-30 1933-06-08 Improvements in or relating to gasfilled electric arc discharge lamps Expired GB410621A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL61706A NL36712C (da) 1932-06-30 1932-06-30
DEN34758D DE597745C (de) 1933-01-17 1933-01-17 Elektrische Entladungsroehre mit Metalldampffuellung, insbesondere zum Aussenden von Lichtstrahlen

Publications (1)

Publication Number Publication Date
GB410621A true GB410621A (en) 1934-05-24

Family

ID=33553317

Family Applications (2)

Application Number Title Priority Date Filing Date
GB16469/33A Expired GB410621A (en) 1932-06-30 1933-06-08 Improvements in or relating to gasfilled electric arc discharge lamps
GB16470/33A Expired GB411293A (en) 1932-06-30 1933-06-08 Improvements in or relating to electric discharge tubes

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB16470/33A Expired GB411293A (en) 1932-06-30 1933-06-08 Improvements in or relating to electric discharge tubes

Country Status (6)

Country Link
AT (2) AT136486B (da)
CH (3) CH170226A (da)
DE (2) DE632922C (da)
DK (3) DK48606C (da)
FR (2) FR756663A (da)
GB (2) GB410621A (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE758003C (de) * 1940-06-08 1953-07-13 Edmund Dr Germer Rohrfoermige elektrische Entladungslampe, insbesondere Hoch- oder Hoechstdruckentladungsroehre fuer Licht- und/oder Ultraviolettstrahlung

Also Published As

Publication number Publication date
DK48606C (da) 1934-04-09
GB411293A (en) 1934-06-07
DE632922C (de) 1936-07-16
FR756662A (fr) 1933-12-13
DK48850C (da) 1934-06-11
CH171167A (de) 1934-08-15
FR756663A (fr) 1933-12-13
AT136486B (de) 1934-02-10
DE632920C (de) 1936-07-15
DK49527C (da) 1934-11-12
CH169848A (de) 1934-06-15
CH170226A (de) 1934-06-30
AT135172B (de) 1933-10-25

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