FR2137618A1 - - Google Patents

Info

Publication number
FR2137618A1
FR2137618A1 FR7216356A FR7216356A FR2137618A1 FR 2137618 A1 FR2137618 A1 FR 2137618A1 FR 7216356 A FR7216356 A FR 7216356A FR 7216356 A FR7216356 A FR 7216356A FR 2137618 A1 FR2137618 A1 FR 2137618A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7216356A
Other languages
French (fr)
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 FR2137618A1 publication Critical patent/FR2137618A1/fr
Withdrawn legal-status Critical Current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
    • H01J61/045—Thermic screens or reflectors
FR7216356A 1971-05-08 1972-05-08 Withdrawn FR2137618A1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7106348A NL7106348A (enrdf_load_stackoverflow) 1971-05-08 1971-05-08

Publications (1)

Publication Number Publication Date
FR2137618A1 true FR2137618A1 (enrdf_load_stackoverflow) 1972-12-29

Family

ID=19813116

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7216356A Withdrawn FR2137618A1 (enrdf_load_stackoverflow) 1971-05-08 1972-05-08

Country Status (9)

Country Link
US (1) US3790837A (enrdf_load_stackoverflow)
AT (1) AT318076B (enrdf_load_stackoverflow)
AU (1) AU469996B2 (enrdf_load_stackoverflow)
BE (1) BE783167A (enrdf_load_stackoverflow)
CA (1) CA952972A (enrdf_load_stackoverflow)
DE (1) DE2221777A1 (enrdf_load_stackoverflow)
FR (1) FR2137618A1 (enrdf_load_stackoverflow)
GB (1) GB1334992A (enrdf_load_stackoverflow)
NL (1) NL7106348A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL168993C (nl) * 1975-01-17 1982-05-17 Philips Nv Werkwijze voor het bedrijven van een zelfstabiliserende ontladingslamp.
AU529323B2 (en) * 1979-09-29 1983-06-02 K.K. Toshiba Fluorescent lamp
HU191305B (en) * 1984-03-29 1987-02-27 Tungsram Rt,Hu High pressure sodium or metal halogen lamp for dc operation
US4970431A (en) * 1987-11-03 1990-11-13 U.S. Philips Corporation High-pressure sodium discharge lamp with fins radially extending from the discharge vessel for controlling the wall temperature of the discharge vessel
DE112007003642A5 (de) * 2007-10-19 2010-11-11 Osram Gesellschaft mit beschränkter Haftung Hochdruckentladungslampe
JP5056903B2 (ja) * 2010-06-03 2012-10-24 ウシオ電機株式会社 超高圧水銀ランプ及び該超高圧水銀ランプの製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3333132A (en) * 1964-05-19 1967-07-25 Westinghouse Electric Corp Discharge lamp having heat reflecting shields surrounding its electrodes

Also Published As

Publication number Publication date
US3790837A (en) 1974-02-05
AU4180872A (en) 1973-11-08
DE2221777A1 (de) 1972-12-07
CA952972A (en) 1974-08-13
GB1334992A (en) 1973-10-24
AT318076B (de) 1974-09-25
AU469996B2 (en) 1976-02-26
NL7106348A (enrdf_load_stackoverflow) 1972-11-10
BE783167A (fr) 1972-11-08

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Legal Events

Date Code Title Description
ST Notification of lapse