NL7712059A - Lagedruknatriumdampontladingslamp. - Google Patents

Lagedruknatriumdampontladingslamp.

Info

Publication number
NL7712059A
NL7712059A NL7712059A NL7712059A NL7712059A NL 7712059 A NL7712059 A NL 7712059A NL 7712059 A NL7712059 A NL 7712059A NL 7712059 A NL7712059 A NL 7712059A NL 7712059 A NL7712059 A NL 7712059A
Authority
NL
Netherlands
Prior art keywords
low pressure
discharge lamp
vapor discharge
pressure sodium
sodium vapor
Prior art date
Application number
NL7712059A
Other languages
English (en)
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
Priority to NL7712059A priority Critical patent/NL7712059A/nl
Priority to US05/952,370 priority patent/US4209726A/en
Priority to CA313,785A priority patent/CA1123888A/en
Priority to DE19782846817 priority patent/DE2846817A1/de
Priority to FR7830582A priority patent/FR2408214A1/fr
Priority to IT29232/78A priority patent/IT1099857B/it
Priority to GB7842445A priority patent/GB2007423B/en
Priority to JP13366978A priority patent/JPS5473481A/ja
Priority to BE191492A priority patent/BE871713A/xx
Priority to HU78PI645A priority patent/HU179279B/hu
Publication of NL7712059A publication Critical patent/NL7712059A/nl

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
    • H01J61/30—Vessels; Containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J61/26—Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope
    • 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
    • H01J61/74—Lamps 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
NL7712059A 1977-11-02 1977-11-02 Lagedruknatriumdampontladingslamp. NL7712059A (nl)

Priority Applications (10)

Application Number Priority Date Filing Date Title
NL7712059A NL7712059A (nl) 1977-11-02 1977-11-02 Lagedruknatriumdampontladingslamp.
US05/952,370 US4209726A (en) 1977-11-02 1978-10-18 Low-pressure sodium vapor discharge lamp
CA313,785A CA1123888A (en) 1977-11-02 1978-10-19 Low-pressure sodium vapour discharge lamp
DE19782846817 DE2846817A1 (de) 1977-11-02 1978-10-27 Niederdrucknatriumdampfentladungslampe
FR7830582A FR2408214A1 (fr) 1977-11-02 1978-10-27 Lampe a decharge dans la vapeur de sodium a basse pression
IT29232/78A IT1099857B (it) 1977-11-02 1978-10-30 Lampada a scarica,a vapori di sodio,a bassa pressione
GB7842445A GB2007423B (en) 1977-11-02 1978-10-30 Low-pressure sodium vapour discharge lamp
JP13366978A JPS5473481A (en) 1977-11-02 1978-10-30 Low voltage sodium vapor discharge lamp
BE191492A BE871713A (fr) 1977-11-02 1978-10-31 Lampe a decharge dans la vapeur de sodium a basse pression
HU78PI645A HU179279B (en) 1977-11-02 1978-11-01 Low pressure sodium-vapour discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7712059A NL7712059A (nl) 1977-11-02 1977-11-02 Lagedruknatriumdampontladingslamp.

Publications (1)

Publication Number Publication Date
NL7712059A true NL7712059A (nl) 1979-05-04

Family

ID=19829466

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7712059A NL7712059A (nl) 1977-11-02 1977-11-02 Lagedruknatriumdampontladingslamp.

Country Status (10)

Country Link
US (1) US4209726A (nl)
JP (1) JPS5473481A (nl)
BE (1) BE871713A (nl)
CA (1) CA1123888A (nl)
DE (1) DE2846817A1 (nl)
FR (1) FR2408214A1 (nl)
GB (1) GB2007423B (nl)
HU (1) HU179279B (nl)
IT (1) IT1099857B (nl)
NL (1) NL7712059A (nl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8301447A (nl) * 1983-04-25 1984-11-16 Philips Nv Lagedruk-alkalimetaaldamp-ontladingslamp.
DE69200647T2 (de) * 1991-05-30 1995-05-24 Philips Nv Elektrodenlose Niederdrucknatriumdampfentladungslampe.

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE499299A (nl) *
BE345547A (nl) * 1927-07-09
BE544641A (nl) * 1955-01-24
DE1153833B (de) * 1958-12-17 1963-09-05 Gen Electric Co Ltd Elektrische Natriumdampfentladungslampe
NL113383C (nl) * 1960-01-09
GB947311A (en) * 1960-02-01 1964-01-22 Gen Electric Co Ltd Improvements in or relating to sodium-vapour-resistant glass tubing and to electric lamps incorporating such tubing
US3094641A (en) * 1960-04-27 1963-06-18 Sylvania Electric Prod Fluorescent lamp
US3416022A (en) * 1965-02-24 1968-12-10 Wagner Electric Corp Tungsten filament iodine cycle incandescent lamp with alkali metal getter
GB1122866A (en) * 1966-07-06 1968-08-07 Ass Elect Ind Improvements in high borate glasses
NL164423C (nl) * 1969-12-13 1980-12-15 Philips Nv Lagedruknatriumdampontladingslamp.

Also Published As

Publication number Publication date
GB2007423A (en) 1979-05-16
IT1099857B (it) 1985-09-28
DE2846817A1 (de) 1979-05-03
BE871713A (fr) 1979-04-30
FR2408214B1 (nl) 1981-04-17
CA1123888A (en) 1982-05-18
FR2408214A1 (fr) 1979-06-01
GB2007423B (en) 1982-05-19
HU179279B (en) 1982-09-28
IT7829232A0 (it) 1978-10-30
US4209726A (en) 1980-06-24
JPS5473481A (en) 1979-06-12

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed