GB2079528B - A sodium vapour discharge lamp - Google Patents

A sodium vapour discharge lamp

Info

Publication number
GB2079528B
GB2079528B GB8117309A GB8117309A GB2079528B GB 2079528 B GB2079528 B GB 2079528B GB 8117309 A GB8117309 A GB 8117309A GB 8117309 A GB8117309 A GB 8117309A GB 2079528 B GB2079528 B GB 2079528B
Authority
GB
United Kingdom
Prior art keywords
discharge lamp
vapour discharge
sodium vapour
sodium
lamp
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
GB8117309A
Other versions
GB2079528A (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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of GB2079528A publication Critical patent/GB2079528A/en
Application granted granted Critical
Publication of GB2079528B publication Critical patent/GB2079528B/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
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/40—Devices for influencing the colour or wavelength of the light by light filters; by coloured coatings in or on the envelope
    • 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
    • H01J61/34—Double-wall vessels or containers
GB8117309A 1980-07-02 1981-06-05 A sodium vapour discharge lamp Expired GB2079528B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19808017792 DE8017792U1 (en) 1980-07-02 1980-07-02 SODIUM STEAM DISCHARGE LAMP, IN PARTICULAR FOR USE IN DARK CHAMBER LIGHTS

Publications (2)

Publication Number Publication Date
GB2079528A GB2079528A (en) 1982-01-20
GB2079528B true GB2079528B (en) 1985-01-03

Family

ID=6716854

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8117309A Expired GB2079528B (en) 1980-07-02 1981-06-05 A sodium vapour discharge lamp

Country Status (2)

Country Link
DE (1) DE8017792U1 (en)
GB (1) GB2079528B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2245417B (en) * 1990-04-20 1994-06-08 Koito Mfg Co Ltd Discharge lamp device
WO1999046800A1 (en) * 1998-03-10 1999-09-16 Sica Michael F Black-light blue fluorescent lamp

Also Published As

Publication number Publication date
DE8017792U1 (en) 1981-03-26
GB2079528A (en) 1982-01-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940605