GB385203A - Improvements in or relating to tubular electric incandescent lamps and discharge tubes - Google Patents

Improvements in or relating to tubular electric incandescent lamps and discharge tubes

Info

Publication number
GB385203A
GB385203A GB1449632A GB1449632A GB385203A GB 385203 A GB385203 A GB 385203A GB 1449632 A GB1449632 A GB 1449632A GB 1449632 A GB1449632 A GB 1449632A GB 385203 A GB385203 A GB 385203A
Authority
GB
United Kingdom
Prior art keywords
tube
projection
sealed
tubular electric
electric incandescent
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
GB1449632A
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 GB385203A publication Critical patent/GB385203A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/04—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB1449632A 1931-06-13 1932-05-21 Improvements in or relating to tubular electric incandescent lamps and discharge tubes Expired GB385203A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL57282A NL34770C (ko) 1931-06-13 1931-06-13

Publications (1)

Publication Number Publication Date
GB385203A true GB385203A (en) 1932-12-22

Family

ID=19785693

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1449632A Expired GB385203A (en) 1931-06-13 1932-05-21 Improvements in or relating to tubular electric incandescent lamps and discharge tubes

Country Status (5)

Country Link
BE (1) BE389169A (ko)
DE (1) DE589632C (ko)
FR (1) FR737190A (ko)
GB (1) GB385203A (ko)
NL (1) NL34770C (ko)

Also Published As

Publication number Publication date
BE389169A (ko) 1932-07-30
FR737190A (fr) 1932-12-07
DE589632C (de) 1933-12-11
NL34770C (ko) 1935-03-15

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