DK57199C - Artificially cooled High pressure mercury vapor discharge tubes and Procedure for its manufacture. - Google Patents

Artificially cooled High pressure mercury vapor discharge tubes and Procedure for its manufacture.

Info

Publication number
DK57199C
DK57199C DK57199DA DK57199C DK 57199 C DK57199 C DK 57199C DK 57199D A DK57199D A DK 57199DA DK 57199 C DK57199 C DK 57199C
Authority
DK
Denmark
Prior art keywords
procedure
manufacture
high pressure
pressure mercury
mercury vapor
Prior art date
Application number
Other languages
Danish (da)
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 DK57199C publication Critical patent/DK57199C/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/32—Seals for leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/822—High-pressure mercury lamps
DK57199D 1934-11-06 1935-02-28 Artificially cooled High pressure mercury vapor discharge tubes and Procedure for its manufacture. DK57199C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEN37372D DE711871C (en) 1934-11-06 1934-11-06 Artificially cooled, closed high-pressure mercury vapor discharge tubes serving to emit rays

Publications (1)

Publication Number Publication Date
DK57199C true DK57199C (en) 1940-01-29

Family

ID=33037646

Family Applications (1)

Application Number Title Priority Date Filing Date
DK57199D DK57199C (en) 1934-11-06 1935-02-28 Artificially cooled High pressure mercury vapor discharge tubes and Procedure for its manufacture.

Country Status (7)

Country Link
AT (1) AT153368B (en)
CH (1) CH187533A (en)
DE (1) DE711871C (en)
DK (1) DK57199C (en)
FR (1) FR786388A (en)
GB (1) GB431450A (en)
NL (1) NL53679C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE756326C (en) * 1937-02-20 1952-11-17 Ulrich W Doering Electric discharge lamp with basic inert gas filling
DE754219C (en) * 1938-04-24 1954-03-15 Quarzlampen G M B H High-pressure metal vapor lamp, in particular high-pressure mercury lamp, with fixed, non-activated heating electrodes
DE875687C (en) * 1938-10-05 1953-05-04 Electricitaets Ges Sanitas M B Arrangement for operating a high-pressure mercury vapor lamp with a basic gas filling, non-activated incandescent cathodes heated by the discharge and an elongated arc
DE740922C (en) * 1939-03-21 1943-10-30 Patra Patent Treuhand Arrangement for operating a water-cooled high-pressure mercury discharge lamp
US3363133A (en) * 1966-02-28 1968-01-09 Sylvania Electric Prod Electric discharge device having polycrystalline alumina end caps
NL182439C (en) * 1978-05-23 1988-03-01 Philips Nv SHORT-ARCH DISCHARGE LAMP.
US4581557A (en) * 1979-01-02 1986-04-08 General Electric Company Stabilized high intensity discharge lamp
GB2069228B (en) * 1979-01-02 1983-02-23 Gen Electric Stabilised high intensity discharge lamp

Also Published As

Publication number Publication date
NL53679C (en) 1942-12-15
CH187533A (en) 1936-11-15
AT153368B (en) 1938-05-10
DE711871C (en) 1941-10-08
GB431450A (en) 1935-07-08
FR786388A (en) 1935-09-02

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