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FR1020704A - Fluorescent and low pressure discharge lamps - Google Patents

Fluorescent and low pressure discharge lamps

Info

Publication number
FR1020704A
FR1020704A FR1020704DA FR1020704A FR 1020704 A FR1020704 A FR 1020704A FR 1020704D A FR1020704D A FR 1020704DA FR 1020704 A FR1020704 A FR 1020704A
Authority
FR
France
Prior art keywords
fluorescent
low pressure
pressure discharge
discharge lamps
lamps
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR1020704A publication Critical patent/FR1020704A/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
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
    • 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
FR1020704D 1949-06-29 1950-06-22 Fluorescent and low pressure discharge lamps Expired FR1020704A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US102016A US2714684A (en) 1949-06-29 1949-06-29 Low pressure fluoresecent and discharge lamps

Publications (1)

Publication Number Publication Date
FR1020704A true FR1020704A (en) 1953-02-10

Family

ID=22287666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1020704D Expired FR1020704A (en) 1949-06-29 1950-06-22 Fluorescent and low pressure discharge lamps

Country Status (7)

Country Link
US (1) US2714684A (en)
BE (1) BE496584A (en)
DE (1) DE905414C (en)
ES (1) ES193066A1 (en)
FR (1) FR1020704A (en)
GB (1) GB673485A (en)
NL (2) NL153292B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391558A1 (en) * 1977-05-18 1978-12-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh LOW PRESSURE MERCURY STEAM DISCHARGE LAMP

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2120777A1 (en) * 1971-04-28 1972-11-02 Multiblitz Dr.-Ing. D.A. Mannesmann Gmbh & Co Kg, 5050 Porz Strobe light arrangement
US4032814A (en) * 1974-08-19 1977-06-28 Duro-Test Corporation Fluorescent lamp with reduced wattage consumption
US4032813A (en) * 1974-08-19 1977-06-28 Duro-Test Corporation Fluorescent lamp with reduced wattage consumption having electrode shield with getter material
US4308650A (en) * 1979-12-28 1982-01-05 Gte Products Corporation Method of making a mercury dispenser, getter and shield assembly for a fluorescent lamp
NL185639C (en) * 1980-10-29 1990-06-01 Philips Nv LOW-PRESSURE MERCURY DISCHARGE LAMP.
US4879469A (en) * 1988-05-13 1989-11-07 University Of North Carolina Mixed media for kinestatic charge detectors
GB2226444B (en) * 1988-12-22 1993-05-12 Matsushita Electric Works Ltd Electrodeless discharge lamp
US6583566B1 (en) 2000-10-27 2003-06-24 General Electric Company Low wattage fluorescent lamp having improved phosphor layer
WO2003032364A1 (en) * 2001-10-04 2003-04-17 Koninklijke Philips Electronics N.V. Low-pressure mercury discharge lamp
US8421333B2 (en) 2011-03-07 2013-04-16 Osram Sylvania Inc. Energy saving gas discharge lamp including a xenon-based gaseous mixture

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL233305A (en) * 1924-04-01
US2182732A (en) * 1926-12-10 1939-12-05 Gen Electric Metal vapor lamp
US2228327A (en) * 1929-05-04 1941-01-14 Hans J Spanner Discharge device
US1977688A (en) * 1930-03-10 1934-10-23 Gen Scientific Corp Permanent color gaseous conduction tube
US1929369A (en) * 1931-09-30 1933-10-03 Gen Electric Electrical discharge device
US2177710A (en) * 1938-04-22 1939-10-31 Gen Electric Fluorescent sign lamp
US2355258A (en) * 1941-05-13 1944-08-08 Sylvania Electric Prod Ultraviolet fluorescent lamp
US2363531A (en) * 1941-11-27 1944-11-28 Gen Electric Electric discharge device and electrode therefor
US2425697A (en) * 1944-03-02 1947-08-12 Gen Luminescent Corp Low-temperature luminescent lamp
US2473642A (en) * 1948-01-09 1949-06-21 Gen Electric Low-pressure electric discharge device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391558A1 (en) * 1977-05-18 1978-12-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh LOW PRESSURE MERCURY STEAM DISCHARGE LAMP

Also Published As

Publication number Publication date
ES193066A1 (en) 1951-07-01
DE905414C (en) 1954-03-01
BE496584A (en)
NL78992C (en)
NL153292B (en)
GB673485A (en) 1952-06-04
US2714684A (en) 1955-08-02

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