IT7925946A0 - Lampada elettrica a scarica, fluorescente a bassa pressione. - Google Patents

Lampada elettrica a scarica, fluorescente a bassa pressione.

Info

Publication number
IT7925946A0
IT7925946A0 IT7925946A IT2594679A IT7925946A0 IT 7925946 A0 IT7925946 A0 IT 7925946A0 IT 7925946 A IT7925946 A IT 7925946A IT 2594679 A IT2594679 A IT 2594679A IT 7925946 A0 IT7925946 A0 IT 7925946A0
Authority
IT
Italy
Prior art keywords
low pressure
discharge lamp
electric discharge
pressure fluorescent
fluorescent
Prior art date
Application number
IT7925946A
Other languages
English (en)
Other versions
IT1123300B (it
Inventor
Gerald L Rogoff
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
Publication of IT7925946A0 publication Critical patent/IT7925946A0/it
Application granted granted Critical
Publication of IT1123300B publication Critical patent/IT1123300B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/92—Lamps with more than one main discharge path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/10—Shields, screens, or guides for influencing the discharge
    • H01J61/103—Shields, screens or guides arranged to extend the discharge path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/33—Special shape of cross-section, e.g. for producing cool spot
IT25946/79A 1978-09-21 1979-09-21 Lampada elettrica a scarica,fluorescente a bassa pressione IT1123300B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/944,495 US4191907A (en) 1978-09-21 1978-09-21 Compact single-ended fluorescent lamp having a partitioned envelope

Publications (2)

Publication Number Publication Date
IT7925946A0 true IT7925946A0 (it) 1979-09-21
IT1123300B IT1123300B (it) 1986-04-30

Family

ID=25481515

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25946/79A IT1123300B (it) 1978-09-21 1979-09-21 Lampada elettrica a scarica,fluorescente a bassa pressione

Country Status (7)

Country Link
US (1) US4191907A (it)
JP (1) JPS5556347A (it)
DE (1) DE2936488A1 (it)
FR (1) FR2437065A1 (it)
GB (1) GB2034514B (it)
IT (1) IT1123300B (it)
NL (1) NL7906697A (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281271A (en) * 1979-06-12 1981-07-28 Westinghouse Electric Corp. Compact fluorescent lamp having a partitioned envelope
GB2081498B (en) * 1980-06-30 1984-09-26 Matsushita Electric Works Ltd Discharge lamp device
JPS5787059A (en) * 1980-11-17 1982-05-31 Mitsubishi Electric Corp Discharge lamp
JPS57130362A (en) * 1981-02-05 1982-08-12 Mitsubishi Electric Corp Low pressure electric-discharge lamp
JPS57141855A (en) * 1981-02-24 1982-09-02 Mitsubishi Electric Corp Low pressure electric-discharge lamp
US4469986A (en) * 1981-02-05 1984-09-04 Mitsubishi Denki Kabushiki Kaisha Low pressure discharge lamp with polygon shaped envelope
JPS57141854A (en) * 1981-02-24 1982-09-02 Mitsubishi Electric Corp Low pressure electric-discharge lamp
JPS57154759A (en) * 1981-03-20 1982-09-24 Mitsubishi Electric Corp Electric-discharge lamp
JPS57141853A (en) * 1981-02-24 1982-09-02 Mitsubishi Electric Corp Low pressure electric-discharge lamp
JPS5843761U (ja) * 1981-09-17 1983-03-24 松下電工株式会社 けい光ランプ
DE3344270A1 (de) * 1983-12-07 1985-06-13 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Kompakte niederdruckentladungslampe
US4587462A (en) * 1984-08-10 1986-05-06 Gte Laboratories Incorporated Fluorescent light source with parallel DC discharges
JPH0719565B2 (ja) * 1986-07-07 1995-03-06 ウエスト電気株式会社 閃光放電管
CA2453700A1 (en) * 2001-07-13 2003-01-23 Mel Lighting Ltd. Gas discharge lamp
US20100187972A1 (en) * 2009-01-27 2010-07-29 David Wartofsky Compact fluorescent lamp envelope and method of manufacture

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE22896E (en) 1947-07-08 Illuminating device
US2030715A (en) * 1932-05-23 1936-02-11 Gen Electric Gaseous electric discharge lamp device
US2121333A (en) * 1934-06-23 1938-06-21 Fed Electric Company Inc Gaseous conduction device
BE393137A (it) * 1948-10-01
FR1007465A (fr) * 1948-12-28 1952-05-06 Lumiere Sa Lampe à décharge dans un gaz et une vapeur, munie de préference de corps luminescents et d'électrodes froides à grande surface
US3508103A (en) * 1967-03-07 1970-04-21 Westinghouse Electric Corp Laminated metal-glass panel fluorescent lamp
US3609436A (en) * 1969-04-21 1971-09-28 Gen Electric Fluorescent light source with a plurality of sequentially energized electrodes
US3849689A (en) * 1973-07-02 1974-11-19 Gen Electric Sequential discharge fluorescent lamp

Also Published As

Publication number Publication date
GB2034514A (en) 1980-06-04
DE2936488A1 (de) 1980-04-03
JPS5556347A (en) 1980-04-25
FR2437065A1 (fr) 1980-04-18
GB2034514B (en) 1982-11-17
US4191907A (en) 1980-03-04
JPS5740627B2 (it) 1982-08-28
NL7906697A (nl) 1980-03-25
IT1123300B (it) 1986-04-30

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