AT280419B - Niederdrucknatriumdampfentladungslampe und Verfahren zu ihrer Herstellung - Google Patents

Niederdrucknatriumdampfentladungslampe und Verfahren zu ihrer Herstellung

Info

Publication number
AT280419B
AT280419B AT654968A AT654968A AT280419B AT 280419 B AT280419 B AT 280419B AT 654968 A AT654968 A AT 654968A AT 654968 A AT654968 A AT 654968A AT 280419 B AT280419 B AT 280419B
Authority
AT
Austria
Prior art keywords
manufacture
low pressure
discharge lamp
vapor discharge
pressure sodium
Prior art date
Application number
AT654968A
Other languages
English (en)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Application granted granted Critical
Publication of AT280419B publication Critical patent/AT280419B/de

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
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • 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
    • H01J61/74—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of difficult vaporisable metal vapour, e.g. sodium
AT654968A 1967-07-10 1968-07-08 Niederdrucknatriumdampfentladungslampe und Verfahren zu ihrer Herstellung AT280419B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6709573A NL6709573A (de) 1967-07-10 1967-07-10

Publications (1)

Publication Number Publication Date
AT280419B true AT280419B (de) 1970-04-10

Family

ID=19800674

Family Applications (1)

Application Number Title Priority Date Filing Date
AT654968A AT280419B (de) 1967-07-10 1968-07-08 Niederdrucknatriumdampfentladungslampe und Verfahren zu ihrer Herstellung

Country Status (8)

Country Link
US (1) US3548240A (de)
AT (1) AT280419B (de)
BE (1) BE717798A (de)
CH (1) CH485319A (de)
ES (1) ES355868A1 (de)
FR (1) FR1572848A (de)
GB (1) GB1199535A (de)
NL (1) NL6709573A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784863A (en) * 1973-01-11 1974-01-08 Thorn Electrical Ind Ltd Vapour discharge lamps
NL7906203A (nl) * 1979-08-15 1981-02-17 Philips Nv Lagedrukkwikdampontladingslamp.
US4835442A (en) * 1987-01-29 1989-05-30 Kabushiki Kaisha Toshiba Lamp for generating ultraviolet radiation
US10663116B2 (en) 2015-02-26 2020-05-26 Signify Holding B.V. Lighting device with dispenser for a reactive substance

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2103039A (en) * 1929-07-10 1937-12-21 Gen Electric Gaseous electric discharge device
DE684934C (de) * 1936-12-05 1939-12-08 Quarzlampen Gmbh Elektrische Metalldampfbogenlampe mit festen, zu hoher Elektronenemission aktivierten Elektroden und einem Vorratsbehaelter fuer das zu verdampfende Metall
US3331977A (en) * 1965-03-15 1967-07-18 Westinghouse Electric Corp High output discharge lamp with vapor pressure control means

Also Published As

Publication number Publication date
ES355868A1 (es) 1970-03-16
US3548240A (en) 1970-12-15
DE1764615A1 (de) 1971-09-09
BE717798A (de) 1969-01-08
CH485319A (de) 1970-01-31
NL6709573A (de) 1969-01-14
DE1764615B2 (de) 1976-07-29
FR1572848A (de) 1969-06-27
GB1199535A (en) 1970-07-22

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee