GB1527455A - High pressure discharge lamp - Google Patents

High pressure discharge lamp

Info

Publication number
GB1527455A
GB1527455A GB2045577A GB2045577A GB1527455A GB 1527455 A GB1527455 A GB 1527455A GB 2045577 A GB2045577 A GB 2045577A GB 2045577 A GB2045577 A GB 2045577A GB 1527455 A GB1527455 A GB 1527455A
Authority
GB
United Kingdom
Prior art keywords
envelope
path
high pressure
discharge lamp
sectional area
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
GB2045577A
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 GB1527455A publication Critical patent/GB1527455A/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
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/10—Shields, screens, or guides for influencing the discharge
    • 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

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
GB2045577A 1976-05-19 1977-05-16 High pressure discharge lamp Expired GB1527455A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762622178 DE2622178A1 (de) 1976-05-19 1976-05-19 Hochdruck-metalldampf-entladungslampe

Publications (1)

Publication Number Publication Date
GB1527455A true GB1527455A (en) 1978-10-04

Family

ID=5978327

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2045577A Expired GB1527455A (en) 1976-05-19 1977-05-16 High pressure discharge lamp

Country Status (4)

Country Link
JP (1) JPS52141082A (US20080293856A1-20081127-C00150.png)
DE (1) DE2622178A1 (US20080293856A1-20081127-C00150.png)
FR (1) FR2352394A1 (US20080293856A1-20081127-C00150.png)
GB (1) GB1527455A (US20080293856A1-20081127-C00150.png)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB512286A (en) * 1938-07-29 1939-08-31 Gen Electric Co Ltd Improvements in high-pressure metal-vapour electric discharge devices

Also Published As

Publication number Publication date
FR2352394B1 (US20080293856A1-20081127-C00150.png) 1982-06-18
FR2352394A1 (fr) 1977-12-16
JPS52141082A (en) 1977-11-25
DE2622178A1 (de) 1977-12-01

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Legal Events

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