FR2369680B1 - - Google Patents

Info

Publication number
FR2369680B1
FR2369680B1 FR7732889A FR7732889A FR2369680B1 FR 2369680 B1 FR2369680 B1 FR 2369680B1 FR 7732889 A FR7732889 A FR 7732889A FR 7732889 A FR7732889 A FR 7732889A FR 2369680 B1 FR2369680 B1 FR 2369680B1
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.)
Expired
Application number
FR7732889A
Other languages
French (fr)
Other versions
FR2369680A1 (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 FR2369680A1 publication Critical patent/FR2369680A1/en
Application granted granted Critical
Publication of FR2369680B1 publication Critical patent/FR2369680B1/fr
Granted 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
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
FR7732889A 1976-11-02 1977-11-02 LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP Granted FR2369680A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7612158A NL7612158A (en) 1976-11-02 1976-11-02 LOW-PRESSURE MERCURY DISCHARGE LAMP.

Publications (2)

Publication Number Publication Date
FR2369680A1 FR2369680A1 (en) 1978-05-26
FR2369680B1 true FR2369680B1 (en) 1982-10-15

Family

ID=19827158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7732889A Granted FR2369680A1 (en) 1976-11-02 1977-11-02 LOW PRESSURE MERCURY VAPOR DISCHARGE LAMP

Country Status (9)

Country Link
JP (1) JPS5358176A (en)
BE (1) BE860369A (en)
BR (1) BR7707264A (en)
DE (1) DE2747259C2 (en)
ES (1) ES463748A1 (en)
FR (1) FR2369680A1 (en)
GB (1) GB1565129A (en)
IT (1) IT1088175B (en)
NL (1) NL7612158A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3449258A (en) * 1965-07-22 1969-06-10 Westinghouse Electric Corp Method for preparing europium activated yttrium oxide and gadolinium oxide phosphors
CA971214A (en) * 1971-11-12 1975-07-15 Matsushita Electronics Corporation Fluorescent tube for lamp
NL164697C (en) * 1973-10-05 1981-01-15 Philips Nv LOW-PRESSURE MERCURY DISCHARGE LAMP.

Also Published As

Publication number Publication date
BE860369A (en) 1978-05-02
GB1565129A (en) 1980-04-16
JPS5358176A (en) 1978-05-25
DE2747259C2 (en) 1982-10-07
NL7612158A (en) 1978-05-05
DE2747259A1 (en) 1978-05-03
IT1088175B (en) 1985-06-10
BR7707264A (en) 1978-07-18
ES463748A1 (en) 1978-06-16
FR2369680A1 (en) 1978-05-26

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Legal Events

Date Code Title Description
ST Notification of lapse