GB247167A - Improvements in or relating to incandescent cathode discharge tubes - Google Patents

Improvements in or relating to incandescent cathode discharge tubes

Info

Publication number
GB247167A
GB247167A GB1430/26A GB143026A GB247167A GB 247167 A GB247167 A GB 247167A GB 1430/26 A GB1430/26 A GB 1430/26A GB 143026 A GB143026 A GB 143026A GB 247167 A GB247167 A GB 247167A
Authority
GB
United Kingdom
Prior art keywords
spring
stop
supporting arm
filament
arrested
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
GB1430/26A
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 GB247167A publication Critical patent/GB247167A/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
    • H01J1/18—Supports; Vibration-damping arrangements

Landscapes

  • Discharge Lamp (AREA)
GB1430/26A 1925-02-03 1926-01-18 Improvements in or relating to incandescent cathode discharge tubes Expired GB247167A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL247167X 1925-02-03

Publications (1)

Publication Number Publication Date
GB247167A true GB247167A (en) 1926-05-13

Family

ID=19780901

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1430/26A Expired GB247167A (en) 1925-02-03 1926-01-18 Improvements in or relating to incandescent cathode discharge tubes

Country Status (3)

Country Link
FR (1) FR606108A (enrdf_load_stackoverflow)
GB (1) GB247167A (enrdf_load_stackoverflow)
NL (1) NL16179C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR606108A (fr) 1926-06-08
NL16179C (enrdf_load_stackoverflow)

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