GB425103A - Improvements in or relating to electric discharge tubes - Google Patents

Improvements in or relating to electric discharge tubes

Info

Publication number
GB425103A
GB425103A GB17580/33A GB1758033A GB425103A GB 425103 A GB425103 A GB 425103A GB 17580/33 A GB17580/33 A GB 17580/33A GB 1758033 A GB1758033 A GB 1758033A GB 425103 A GB425103 A GB 425103A
Authority
GB
United Kingdom
Prior art keywords
tube
passage
screen
discharge
secured
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
GB17580/33A
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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB425103A publication Critical patent/GB425103A/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
    • H01J61/04—Electrodes; Screens; Shields

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Glass Compositions (AREA)
  • Secondary Cells (AREA)
GB17580/33A 1933-01-17 1933-06-20 Improvements in or relating to electric discharge tubes Expired GB425103A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB425103A true GB425103A (en) 1935-03-07

Family

ID=7346844

Family Applications (2)

Application Number Title Priority Date Filing Date
GB17580/33A Expired GB425103A (en) 1933-01-17 1933-06-20 Improvements in or relating to electric discharge tubes
GB17581/33A Expired GB425601A (en) 1933-01-17 1933-06-20 Improvements in or relating to electric discharge tubes

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB17581/33A Expired GB425601A (en) 1933-01-17 1933-06-20 Improvements in or relating to electric discharge tubes

Country Status (5)

Country Link
US (2) US2001516A (enExample)
DE (2) DE594634C (enExample)
FR (1) FR757631A (enExample)
GB (2) GB425103A (enExample)
NL (1) NL40362C (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2881345A (en) * 1953-02-03 1959-04-07 Claude General Neon Lights Ltd Low pressure mercury vapour electric discharge lamps
JPS56160753A (en) * 1980-05-14 1981-12-10 Matsushita Electronics Corp Fluorescent bulb and manufacturing method

Also Published As

Publication number Publication date
FR757631A (fr) 1933-12-29
GB425601A (en) 1935-03-19
DE594634C (de) 1934-03-19
US2001516A (en) 1935-05-14
NL40362C (enExample)
US1961897A (en) 1934-06-05
DE597745C (de) 1934-05-30

Similar Documents

Publication Publication Date Title
GB415411A (en) Improvements in high vacuum cathode ray tubes
USRE18798E (en) Discharge tube
GB431246A (en) Improvements in or relating to braun tubes
GB425103A (en) Improvements in or relating to electric discharge tubes
GB533267A (en) Improvements in and relating to x-ray tubes
GB237580A (en) Improvements in or relating to x-ray tubes
GB461450A (en) Improvements in or relating to electric discharge devices
GB445676A (en) Improvements in cathode-ray oscillographs and other electric discharge tubes
US2050341A (en) Glow lamp
GB433589A (en) Improvements in or relating to electric discharge tubes
GB377041A (en) Improvements in or relating to gasfilled discharge tubes
GB401240A (en) Improvements in or relating to electric discharge tubes
GB538533A (en) Improvements in or relating to artificially-cooled high-pressure mercury-vapour discharge tubes
US3845342A (en) Electric discharge device containing thorium, mercury and iodine
GB414608A (en) Improvements in or relating to electric discharge tubes
GB354141A (en) Improvements in or relating to electric gas- or vapour-filled arc discharge tubes
GB429886A (en) Improvements in and relating to electric lamps
US2870365A (en) Glow-discharge tube
GB357794A (en) Improvements in or relating to gas-filled electric discharge tubes
US1984429A (en) Gaseous electric discharge lamp device
GB427293A (en) Improvements in or relating to electric discharge tubes
GB429568A (en) Improvements in or relating to electric discharge tubes filled with metal vapour
US2078797A (en) Electron tube
US2121882A (en) Electrode
GB357002A (en) Improvements relating to electron discharge tubes