ES459792A1 - Una lampara perfeccionada de descarga en gas a baja presion. - Google Patents

Una lampara perfeccionada de descarga en gas a baja presion.

Info

Publication number
ES459792A1
ES459792A1 ES459792A ES459792A ES459792A1 ES 459792 A1 ES459792 A1 ES 459792A1 ES 459792 A ES459792 A ES 459792A ES 459792 A ES459792 A ES 459792A ES 459792 A1 ES459792 A1 ES 459792A1
Authority
ES
Spain
Prior art keywords
discharge lamp
hollow tube
inner hollow
fluorescent discharge
tube offset
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
ES459792A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES459792A1 publication Critical patent/ES459792A1/es
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
    • H01J61/04—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
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

Una lámpara perfeccionada de descarga en gas a baja presión que tiene un espacio de descarga que está limitado por una envolvente de lámpara, cuyo espacio de descarga comprende electrodos, uno de los cuales está dispuesto en un tubo interior situado dentro de la envolvente de la lámpara, estando provista la pared interior de un recubrimiento luminiscente, caracterizada porque el tubo interior está colocado excéntricamente en la envolvente de la lámpara y su pared exterior está recubierta en no más del 80% de la circunferencia, sustancialmente en toda la longitud, de un recubrimiento luminiscente, mirando la parte del tubo interior que está provista del recubrimiento luminiscente hacia fuera de la parte del tubo interior más próxima a la pared de la envolvente de la lámpara.
ES459792A 1976-06-17 1977-06-15 Una lampara perfeccionada de descarga en gas a baja presion. Expired ES459792A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7606547,A NL179771C (nl) 1976-06-17 1976-06-17 Lagedrukgasontladingslamp.

Publications (1)

Publication Number Publication Date
ES459792A1 true ES459792A1 (es) 1978-04-01

Family

ID=19826385

Family Applications (1)

Application Number Title Priority Date Filing Date
ES459792A Expired ES459792A1 (es) 1976-06-17 1977-06-15 Una lampara perfeccionada de descarga en gas a baja presion.

Country Status (10)

Country Link
US (1) US4142125A (es)
JP (1) JPS581508B2 (es)
BE (1) BE855708A (es)
CA (1) CA1081305A (es)
DE (1) DE2725412C2 (es)
ES (1) ES459792A1 (es)
FR (1) FR2355375A1 (es)
GB (1) GB1553769A (es)
IT (1) IT1080890B (es)
NL (1) NL179771C (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2862125D1 (en) 1977-08-10 1983-01-20 Hitachi Ltd Low pressure metal vapour discharge lamp
JPS54155675A (en) * 1978-05-30 1979-12-07 Matsushita Electronics Corp Small-sized fluorescent lamp
DE3019605A1 (de) * 1980-05-22 1981-11-26 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 8000 München Niederdruck-entladungslampe
NL8104238A (nl) * 1980-11-18 1982-06-16 Narva Veb Lage-drukgasontladingslamp.
JPS598257A (ja) * 1982-07-05 1984-01-17 Mitsubishi Electric Corp 小型螢光ランプ
JPS5923447A (ja) * 1982-07-30 1984-02-06 Matsushita Electric Works Ltd 螢光ランプ
US4587462A (en) * 1984-08-10 1986-05-06 Gte Laboratories Incorporated Fluorescent light source with parallel DC discharges
DE3912514A1 (de) * 1989-04-17 1990-10-18 Imris Pavel Leuchtstofflampe
DE19513357A1 (de) * 1995-04-06 1996-10-10 Walter Holzer Elektrodenanordnung in Leuchtstofflampen
DE19519518A1 (de) * 1995-06-01 1996-12-05 Walter Holzer Gasentladungsgefäß für Niederdruckentladungslampen
US5686795A (en) * 1995-10-23 1997-11-11 General Electric Company Fluorescent lamp with protected cathode to reduce end darkening
FR2791859B1 (fr) 1999-04-01 2001-05-11 Commissariat Energie Atomique Cellule a plasma
DE102008026904A1 (de) 2008-06-05 2009-12-31 Wedeco Ag Quecksilberamalgamstrahler mit gefaltetem Entladungsweg

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2281579A (en) * 1939-10-09 1942-05-05 Jr Andrew F Henninger Manufacture of gaseous conduction lamps
FR907017A (fr) * 1944-03-27 1946-02-27 Dispositif pour tubes à décharge
US2561868A (en) * 1946-12-20 1951-07-24 Gen Electric Gaseous electric discharge lamp
US3609436A (en) * 1969-04-21 1971-09-28 Gen Electric Fluorescent light source with a plurality of sequentially energized electrodes
US3898720A (en) * 1972-09-28 1975-08-12 Westinghouse Electric Corp Method of providing a fluorescent lamp stem with an integral mercury-vapor pressure regulating means
DE2529005C3 (de) * 1974-07-11 1979-12-06 N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) Niederdruck-Gasentladungslampe

Also Published As

Publication number Publication date
CA1081305A (en) 1980-07-08
DE2725412C2 (de) 1985-05-15
NL7606547A (nl) 1977-12-20
FR2355375A1 (fr) 1978-01-13
NL179771B (nl) 1986-06-02
IT1080890B (it) 1985-05-16
GB1553769A (en) 1979-10-10
JPS581508B2 (ja) 1983-01-11
JPS52154283A (en) 1977-12-21
US4142125A (en) 1979-02-27
FR2355375B1 (es) 1981-03-06
NL179771C (nl) 1986-11-03
DE2725412A1 (de) 1977-12-29
BE855708A (fr) 1977-12-15

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971201