GB381904A - Improvements in electric discharge lamps - Google Patents

Improvements in electric discharge lamps

Info

Publication number
GB381904A
GB381904A GB15969/32A GB1596932A GB381904A GB 381904 A GB381904 A GB 381904A GB 15969/32 A GB15969/32 A GB 15969/32A GB 1596932 A GB1596932 A GB 1596932A GB 381904 A GB381904 A GB 381904A
Authority
GB
United Kingdom
Prior art keywords
vapour
discharge lamps
electric discharge
doubled back
heating
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
GB15969/32A
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 to NL59938A priority Critical patent/NL34658C/xx
Priority to FR730466D priority patent/FR730466A/fr
Application filed by Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Priority to GB15969/32A priority patent/GB381904A/en
Publication of GB381904A publication Critical patent/GB381904A/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
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
    • H01J61/523—Heating or cooling particular parts of the lamp

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB15969/32A 1931-05-15 1932-06-06 Improvements in electric discharge lamps Expired GB381904A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NL59938A NL34658C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1931-05-15 1932-01-22
FR730466D FR730466A (fr) 1931-05-15 1932-01-25 Lampe électrique à décharge gazeuse, en forme de tube, en particulier pour la télévision
GB15969/32A GB381904A (en) 1931-05-15 1932-06-06 Improvements in electric discharge lamps

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE730466X 1931-05-15
GB15969/32A GB381904A (en) 1931-05-15 1932-06-06 Improvements in electric discharge lamps

Publications (1)

Publication Number Publication Date
GB381904A true GB381904A (en) 1932-10-13

Family

ID=10068838

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15969/32A Expired GB381904A (en) 1931-05-15 1932-06-06 Improvements in electric discharge lamps

Country Status (3)

Country Link
FR (1) FR730466A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB381904A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL34658C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
FR730466A (fr) 1932-08-13
NL34658C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1935-02-15

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