FR968296A - Improvements to discharge lamps - Google Patents

Improvements to discharge lamps

Info

Publication number
FR968296A
FR968296A FR968296DA FR968296A FR 968296 A FR968296 A FR 968296A FR 968296D A FR968296D A FR 968296DA FR 968296 A FR968296 A FR 968296A
Authority
FR
France
Prior art keywords
discharge lamps
lamps
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
French (fr)
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 des Lampes
Original Assignee
Compagnie des Lampes
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 des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR968296A publication Critical patent/FR968296A/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
FR968296D 1945-08-17 1947-02-27 Improvements to discharge lamps Expired FR968296A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA615851X 1945-08-17

Publications (1)

Publication Number Publication Date
FR968296A true FR968296A (en) 1950-11-23

Family

ID=4171959

Family Applications (1)

Application Number Title Priority Date Filing Date
FR968296D Expired FR968296A (en) 1945-08-17 1947-02-27 Improvements to discharge lamps

Country Status (3)

Country Link
US (1) US2512282A (en)
FR (1) FR968296A (en)
GB (1) GB615851A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7042147B2 (en) * 2002-08-27 2006-05-09 Lcd Lighting, Inc. Serpentine fluorescent lamp with shaped corners providing uniform backlight illumination for displays
US6791272B2 (en) * 2002-08-27 2004-09-14 Lcd Lighting, Inc. Fluorescent lamp providing uniform backlight illumination for displays
JP3816465B2 (en) * 2002-12-18 2006-08-30 ダイア蛍光株式会社 Fluorescent lamp
US20070273286A1 (en) * 2004-05-11 2007-11-29 Koninklijke Philips Electronics, N.V. Low-Pressure Mercury Vapor Discharge Lamp And Display Device
CN101770928A (en) * 2010-03-04 2010-07-07 李存斌 Improved structure of fluorescent lamp

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1634309A (en) * 1922-09-18 1927-07-05 Halliwell Shelton Electric Cor Illuminated advertising device
US1877932A (en) * 1926-12-10 1932-09-20 Electrons Inc Electric lamp
US1966120A (en) * 1931-04-21 1934-07-10 Joseph E Gross Device for gas filled luminous tube systems
US2061390A (en) * 1933-04-08 1936-11-17 Daniel S Stevens Gaseous conduction device
US2215440A (en) * 1938-04-14 1940-09-17 Plastic Lights Inc Gaseous discharge tube and method of producing same
US2177710A (en) * 1938-04-22 1939-10-31 Gen Electric Fluorescent sign lamp
US2309676A (en) * 1939-12-12 1943-02-02 Charles Melzak Fluorescent lamp
US2326792A (en) * 1939-12-27 1943-08-17 Samuel C Miller Mounting for neon tubes and the like
FR961336A (en) * 1942-04-21 1950-05-10
US2350462A (en) * 1942-10-09 1944-06-06 Robert I Johns Portable lamp

Also Published As

Publication number Publication date
US2512282A (en) 1950-06-20
GB615851A (en) 1949-01-12

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