GB547646A - Improvements in or relating to gas filled electric discharge tubes - Google Patents

Improvements in or relating to gas filled electric discharge tubes

Info

Publication number
GB547646A
GB547646A GB1216041A GB1216041A GB547646A GB 547646 A GB547646 A GB 547646A GB 1216041 A GB1216041 A GB 1216041A GB 1216041 A GB1216041 A GB 1216041A GB 547646 A GB547646 A GB 547646A
Authority
GB
United Kingdom
Prior art keywords
relating
electric discharge
gas filled
discharge tubes
filled electric
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
GB1216041A
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
Priority to FR873550D priority Critical patent/FR873550A/en
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to GB1216041A priority patent/GB547646A/en
Publication of GB547646A publication Critical patent/GB547646A/en
Priority to GB2146145A priority patent/GB597538A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/50—Thermionic-cathode tubes
    • H01J17/52—Thermionic-cathode tubes with one cathode and one anode
    • H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
    • H01J17/56—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes for preventing and then permitting ignition, but thereafter having no control

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Lubricants (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

547,646. Thermionic valves. PHILIPS LAMPS, Ltd. (Naamlooze Vennootschap Philips' Gloeilampenfabrieken). Sept. 19, 1941, No. 12160. Drawings to Specification. [Class 39 (i)] The subject-matter of this Specification is identical with that of Specification 597,538.
GB1216041A 1941-09-19 1941-09-19 Improvements in or relating to gas filled electric discharge tubes Expired GB547646A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR873550D FR873550A (en) 1941-09-19 1941-07-02 Gas-filled electric discharge tubes
GB1216041A GB547646A (en) 1941-09-19 1941-09-19 Improvements in or relating to gas filled electric discharge tubes
GB2146145A GB597538A (en) 1941-09-19 1945-08-22 Improvements in or relating to gas-filled electric discharge tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1216041A GB547646A (en) 1941-09-19 1941-09-19 Improvements in or relating to gas filled electric discharge tubes

Publications (1)

Publication Number Publication Date
GB547646A true GB547646A (en) 1942-09-04

Family

ID=9999439

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1216041A Expired GB547646A (en) 1941-09-19 1941-09-19 Improvements in or relating to gas filled electric discharge tubes
GB2146145A Expired GB597538A (en) 1941-09-19 1945-08-22 Improvements in or relating to gas-filled electric discharge tubes

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2146145A Expired GB597538A (en) 1941-09-19 1945-08-22 Improvements in or relating to gas-filled electric discharge tubes

Country Status (2)

Country Link
FR (1) FR873550A (en)
GB (2) GB547646A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721951A (en) * 1950-12-29 1955-10-25 Rca Corp Low reactance electron discharge device
US2892119A (en) * 1955-10-04 1959-06-23 Westinghouse Electric Corp Electron discharge device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2721951A (en) * 1950-12-29 1955-10-25 Rca Corp Low reactance electron discharge device
US2892119A (en) * 1955-10-04 1959-06-23 Westinghouse Electric Corp Electron discharge device

Also Published As

Publication number Publication date
FR873550A (en) 1942-07-10
GB597538A (en) 1948-01-28

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