FR854819A - Low voltage lamp tubes - Google Patents

Low voltage lamp tubes

Info

Publication number
FR854819A
FR854819A FR854819DA FR854819A FR 854819 A FR854819 A FR 854819A FR 854819D A FR854819D A FR 854819DA FR 854819 A FR854819 A FR 854819A
Authority
FR
France
Prior art keywords
low voltage
lamp tubes
voltage lamp
tubes
low
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
French (fr)
Inventor
Jean-Baptiste Joseph Ma Abadie
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 filed Critical
Application granted granted Critical
Publication of FR854819A publication Critical patent/FR854819A/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
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
FR854819D 1939-01-09 1939-01-09 Low voltage lamp tubes Expired FR854819A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR854819T 1939-01-09
US315013A US2301670A (en) 1939-01-09 1940-01-22 Low tension lamp tube

Publications (1)

Publication Number Publication Date
FR854819A true FR854819A (en) 1940-04-25

Family

ID=23222484

Family Applications (1)

Application Number Title Priority Date Filing Date
FR854819D Expired FR854819A (en) 1939-01-09 1939-01-09 Low voltage lamp tubes

Country Status (2)

Country Link
US (1) US2301670A (en)
FR (1) FR854819A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2497512A (en) * 1942-09-17 1950-02-14 Gen Electric Electric gas-discharge tube
US2581546A (en) * 1942-10-29 1952-01-08 Hartford Nat Bank & Trust Co Tubular electric discharge lamp unit
US2444397A (en) * 1945-03-27 1948-06-29 Sylvania Electric Prod Electric discharge lamp
US2683836A (en) * 1947-03-10 1954-07-13 Gen Electric Electric discharge device construction
US2603765A (en) * 1947-05-28 1952-07-15 Int Standard Electric Corp Electric discharge device
US2625670A (en) * 1948-10-01 1953-01-13 Inst Divi Thomae Foundation Ultraviolet lamp
NL174104C (en) * 1977-08-23 1984-04-16 Philips Nv LAMP UNIT.
US4514662A (en) * 1979-06-04 1985-04-30 Skeist S Merrill Magnetic arc spreading fluorescent lamps
US4316121A (en) * 1979-11-01 1982-02-16 General Electric Company Integrally ballasted fluorescent lamp unit
US4311943A (en) * 1979-11-13 1982-01-19 Spellman High Voltage Electronics Corp. Fluorescent lamp with arc spreading with recombination structures
GB2074781B (en) * 1980-03-13 1984-03-14 Tokyo Shibaura Electric Co Fluorescent lamp assemblies
JPH04342951A (en) * 1991-05-20 1992-11-30 Sony Corp Cold cathode type fluorescent discharge tube

Also Published As

Publication number Publication date
US2301670A (en) 1942-11-10

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