GB434028A - Improvements in and relating to electric discharge devices - Google Patents

Improvements in and relating to electric discharge devices

Info

Publication number
GB434028A
GB434028A GB6201/34A GB620134A GB434028A GB 434028 A GB434028 A GB 434028A GB 6201/34 A GB6201/34 A GB 6201/34A GB 620134 A GB620134 A GB 620134A GB 434028 A GB434028 A GB 434028A
Authority
GB
United Kingdom
Prior art keywords
electrodes
metal
filling
discharge lamps
relating
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
GB6201/34A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Priority to GB6201/34A priority Critical patent/GB434028A/en
Priority to US6623A priority patent/US2042147A/en
Priority to FR785770D priority patent/FR785770A/fr
Publication of GB434028A publication Critical patent/GB434028A/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
    • H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
    • H01J61/547—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode outside the vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/06—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
GB6201/34A 1934-02-26 1934-02-26 Improvements in and relating to electric discharge devices Expired GB434028A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB6201/34A GB434028A (en) 1934-02-26 1934-02-26 Improvements in and relating to electric discharge devices
US6623A US2042147A (en) 1934-02-26 1935-02-15 Electric discharge device
FR785770D FR785770A (fr) 1934-02-26 1935-02-18 Perfectionnements aux tubes à décharge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6201/34A GB434028A (en) 1934-02-26 1934-02-26 Improvements in and relating to electric discharge devices

Publications (1)

Publication Number Publication Date
GB434028A true GB434028A (en) 1935-08-26

Family

ID=9810249

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6201/34A Expired GB434028A (en) 1934-02-26 1934-02-26 Improvements in and relating to electric discharge devices

Country Status (3)

Country Link
US (1) US2042147A (fr)
FR (1) FR785770A (fr)
GB (1) GB434028A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444397A (en) * 1945-03-27 1948-06-29 Sylvania Electric Prod Electric discharge lamp
US2654042A (en) * 1949-07-29 1953-09-29 Gen Electric Integrally capacitively ballasted discharge lamp
US2733371A (en) * 1950-05-12 1956-01-31 Internally conducttvely coated
NL82247C (fr) * 1950-07-19
US2748308A (en) * 1952-08-05 1956-05-29 Hartford Nat Bank & Trust Co Low-pressure arc-discharge tube supplied with direct current
NL7610170A (nl) * 1976-09-14 1978-03-16 Philips Nv Lagedrukkwikdampontladingslamp.
JPS57162202A (en) * 1981-03-30 1982-10-06 Fuji Photo Optical Co Ltd Bar-shaped electronic light emitting device

Also Published As

Publication number Publication date
FR785770A (fr) 1935-08-19
US2042147A (en) 1936-05-26

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