GB249847A - Improved manufacture of electric discharge tubes - Google Patents

Improved manufacture of electric discharge tubes

Info

Publication number
GB249847A
GB249847A GB7191/26A GB719126A GB249847A GB 249847 A GB249847 A GB 249847A GB 7191/26 A GB7191/26 A GB 7191/26A GB 719126 A GB719126 A GB 719126A GB 249847 A GB249847 A GB 249847A
Authority
GB
United Kingdom
Prior art keywords
magnesium
tube
wall
helix
leading
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
GB7191/26A
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 GB249847A publication Critical patent/GB249847A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Lasers (AREA)
GB7191/26A 1925-03-28 1926-03-15 Improved manufacture of electric discharge tubes Expired GB249847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL249847X 1925-03-28

Publications (1)

Publication Number Publication Date
GB249847A true GB249847A (en) 1927-01-20

Family

ID=19781028

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7191/26A Expired GB249847A (en) 1925-03-28 1926-03-15 Improved manufacture of electric discharge tubes

Country Status (5)

Country Link
US (1) US1906037A (enrdf_load_stackoverflow)
DE (1) DE529985C (enrdf_load_stackoverflow)
FR (1) FR609190A (enrdf_load_stackoverflow)
GB (1) GB249847A (enrdf_load_stackoverflow)
NL (1) NL23558C (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE754656C (de) * 1937-11-12 1952-07-07 Stabilovolt G M B H Glimmentladungsroehre zur Gleichspannungsregelung
US2432051A (en) * 1944-05-19 1947-12-02 Vang Alfred Mercury tube and circuit therefor
US2680826A (en) * 1948-05-01 1954-06-08 Sylvania Electric Prod Stabilized klystron
CN110112411B (zh) * 2019-04-23 2021-02-26 上海应用技术大学 一种MnCO3微球及其制备方法

Also Published As

Publication number Publication date
FR609190A (fr) 1926-08-10
NL23558C (enrdf_load_stackoverflow)
US1906037A (en) 1933-04-25
DE529985C (de) 1931-07-23

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