BR7707264A - Lampada de descarga de vapor de mercurio a baixa pressao - Google Patents

Lampada de descarga de vapor de mercurio a baixa pressao

Info

Publication number
BR7707264A
BR7707264A BR7707264A BR7707264A BR7707264A BR 7707264 A BR7707264 A BR 7707264A BR 7707264 A BR7707264 A BR 7707264A BR 7707264 A BR7707264 A BR 7707264A BR 7707264 A BR7707264 A BR 7707264A
Authority
BR
Brazil
Prior art keywords
low pressure
discharge lamp
pressure mercury
steam discharge
mercury steam
Prior art date
Application number
BR7707264A
Other languages
English (en)
Inventor
R Peters
L Vrenken
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
Publication of BR7707264A publication Critical patent/BR7707264A/pt

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
BR7707264A 1976-11-02 1977-10-31 Lampada de descarga de vapor de mercurio a baixa pressao BR7707264A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7612158A NL7612158A (nl) 1976-11-02 1976-11-02 Lagedrukkwikdampontladingslamp.

Publications (1)

Publication Number Publication Date
BR7707264A true BR7707264A (pt) 1978-07-18

Family

ID=19827158

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7707264A BR7707264A (pt) 1976-11-02 1977-10-31 Lampada de descarga de vapor de mercurio a baixa pressao

Country Status (9)

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

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 (nl) * 1973-10-05 1981-01-15 Philips Nv Lagedrukkwikdampontladingslamp.

Also Published As

Publication number Publication date
ES463748A1 (es) 1978-06-16
DE2747259A1 (de) 1978-05-03
FR2369680B1 (pt) 1982-10-15
NL7612158A (nl) 1978-05-05
FR2369680A1 (fr) 1978-05-26
BE860369A (fr) 1978-05-02
GB1565129A (en) 1980-04-16
DE2747259C2 (de) 1982-10-07
IT1088175B (it) 1985-06-10
JPS5358176A (en) 1978-05-25

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