GB232201A - Improvements in or relating to incandescent cathodes for discharge tubes - Google Patents

Improvements in or relating to incandescent cathodes for discharge tubes

Info

Publication number
GB232201A
GB232201A GB8586/25A GB858625A GB232201A GB 232201 A GB232201 A GB 232201A GB 8586/25 A GB8586/25 A GB 8586/25A GB 858625 A GB858625 A GB 858625A GB 232201 A GB232201 A GB 232201A
Authority
GB
United Kingdom
Prior art keywords
supports
filament
wire
hoods
cathode
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
GB8586/25A
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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB232201A publication Critical patent/GB232201A/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
    • H01J1/13—Solid thermionic cathodes
    • H01J1/15—Cathodes heated directly by an electric current

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamp (AREA)
GB8586/25A 1924-04-08 1925-03-31 Improvements in or relating to incandescent cathodes for discharge tubes Expired GB232201A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL232201X 1924-04-08

Publications (1)

Publication Number Publication Date
GB232201A true GB232201A (en) 1925-12-31

Family

ID=19780039

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8586/25A Expired GB232201A (en) 1924-04-08 1925-03-31 Improvements in or relating to incandescent cathodes for discharge tubes

Country Status (4)

Country Link
US (1) US1852739A (enrdf_load_stackoverflow)
FR (1) FR595204A (enrdf_load_stackoverflow)
GB (1) GB232201A (enrdf_load_stackoverflow)
NL (1) NL16653C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2967971A (en) * 1957-08-14 1961-01-10 Hughes Aircraft Co Storage tube with improved flood gun
US3513348A (en) * 1967-12-07 1970-05-19 Machlett Lab Inc Filament structure having arc suppressing means

Also Published As

Publication number Publication date
NL16653C (enrdf_load_stackoverflow)
FR595204A (fr) 1925-09-29
US1852739A (en) 1932-04-05

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