NO120120B - - Google Patents

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Publication number
NO120120B
NO120120B NO164439A NO16443966A NO120120B NO 120120 B NO120120 B NO 120120B NO 164439 A NO164439 A NO 164439A NO 16443966 A NO16443966 A NO 16443966A NO 120120 B NO120120 B NO 120120B
Authority
NO
Norway
Prior art keywords
alloy
radiation
lamp
current
mercury
Prior art date
Application number
NO164439A
Other languages
English (en)
Norwegian (no)
Inventor
G Ahsmann
H Meyer
Laarse J Van Der
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 NO120120B publication Critical patent/NO120120B/no

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/12Selection of substances for gas fillings; Specified operating pressure or temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/70Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72Lamps 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/70Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/74Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of difficult vaporisable metal vapour, e.g. sodium

Landscapes

  • Discharge Lamp (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
NO164439A 1965-08-28 1966-08-25 NO120120B (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6511266A NL6511266A (fi) 1965-08-28 1965-08-28

Publications (1)

Publication Number Publication Date
NO120120B true NO120120B (fi) 1970-08-31

Family

ID=19794002

Family Applications (1)

Application Number Title Priority Date Filing Date
NO164439A NO120120B (fi) 1965-08-28 1966-08-25

Country Status (11)

Country Link
US (1) US3439209A (fi)
AT (1) AT266259B (fi)
BE (1) BE686073A (fi)
CH (1) CH477090A (fi)
DE (1) DE1539498C3 (fi)
ES (1) ES330611A1 (fi)
FI (1) FI41416B (fi)
GB (1) GB1152719A (fi)
NL (1) NL6511266A (fi)
NO (1) NO120120B (fi)
SE (1) SE303334B (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3806747A (en) * 1973-03-08 1974-04-23 Gte Sylvania Inc Sodium vapor lamp having an improved grooved alumina arc tube
US3806748A (en) * 1973-03-08 1974-04-23 Gte Sylvania Inc Sodium vapor lamp having a grooved alumina arc tube with side rod heater retainer
NL7405871A (nl) 1974-05-02 1975-11-04 Philips Nv Inrichting voorzien van een gas- en/of dampontladingsbuis.
NL168993C (nl) * 1975-01-17 1982-05-17 Philips Nv Werkwijze voor het bedrijven van een zelfstabiliserende ontladingslamp.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL34272C (fi) * 1931-11-06
BE397776A (fi) * 1932-12-31
US2016111A (en) * 1933-10-30 1935-10-01 William J Hitchcock Gas discharge lamp, especially mercury lamp
US2733371A (en) * 1950-05-12 1956-01-31 Internally conducttvely coated
US3219869A (en) * 1963-07-01 1965-11-23 Gen Electric Cesium vapor discharge lamp

Also Published As

Publication number Publication date
FI41416B (fi) 1969-07-31
DE1539498C3 (de) 1975-09-25
DE1539498A1 (de) 1969-11-06
AT266259B (de) 1968-11-11
DE1539498B2 (de) 1975-02-13
BE686073A (fi) 1967-02-27
SE303334B (fi) 1968-08-26
ES330611A1 (es) 1967-12-16
NL6511266A (fi) 1967-03-01
GB1152719A (en) 1969-05-21
US3439209A (en) 1969-04-15
CH477090A (fr) 1969-08-15

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