FR785770A - Perfectionnements aux tubes à décharge - Google Patents

Perfectionnements aux tubes à décharge

Info

Publication number
FR785770A
FR785770A FR785770DA FR785770A FR 785770 A FR785770 A FR 785770A FR 785770D A FR785770D A FR 785770DA FR 785770 A FR785770 A FR 785770A
Authority
FR
France
Prior art keywords
discharge tubes
tubes
discharge
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR785770A publication Critical patent/FR785770A/fr
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)
FR785770D 1934-02-26 1935-02-18 Perfectionnements aux tubes à décharge Expired FR785770A (fr)

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
FR785770A true FR785770A (fr) 1935-08-19

Family

ID=9810249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR785770D Expired FR785770A (fr) 1934-02-26 1935-02-18 Perfectionnements aux tubes à décharge

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
US2733372A (en) * 1950-07-19 1956-01-31 Glow discharge tube
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
GB434028A (en) 1935-08-26
US2042147A (en) 1936-05-26

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