NL177455C - Hogedrukmetaaldampontladingslamp. - Google Patents

Hogedrukmetaaldampontladingslamp.

Info

Publication number
NL177455C
NL177455C NLAANVRAGE7713348,A NL7713348A NL177455C NL 177455 C NL177455 C NL 177455C NL 7713348 A NL7713348 A NL 7713348A NL 177455 C NL177455 C NL 177455C
Authority
NL
Netherlands
Prior art keywords
high pressure
discharge lamp
metal vapor
vapor discharge
pressure metal
Prior art date
Application number
NLAANVRAGE7713348,A
Other languages
English (en)
Other versions
NL7713348A (nl
NL177455B (nl
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 NLAANVRAGE7713348,A priority Critical patent/NL177455C/nl
Priority to CA000315185A priority patent/CA1121854A/en
Priority to DE2851347A priority patent/DE2851347C3/de
Priority to IT30353/78A priority patent/IT1100406B/it
Priority to GB7846455A priority patent/GB2012104B/en
Priority to HU78PI651A priority patent/HU179568B/hu
Priority to ES475553A priority patent/ES475553A1/es
Priority to BE192083A priority patent/BE872450A/xx
Priority to FR7833978A priority patent/FR2410877A1/fr
Priority to JP14800478A priority patent/JPS5485576A/ja
Publication of NL7713348A publication Critical patent/NL7713348A/nl
Priority to US06/182,192 priority patent/US4420708A/en
Publication of NL177455B publication Critical patent/NL177455B/nl
Application granted granted Critical
Publication of NL177455C publication Critical patent/NL177455C/nl

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • 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
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0737—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
NLAANVRAGE7713348,A 1977-12-02 1977-12-02 Hogedrukmetaaldampontladingslamp. NL177455C (nl)

Priority Applications (11)

Application Number Priority Date Filing Date Title
NLAANVRAGE7713348,A NL177455C (nl) 1977-12-02 1977-12-02 Hogedrukmetaaldampontladingslamp.
CA000315185A CA1121854A (en) 1977-12-02 1978-10-31 High pressure sodium vapour discharge lamp with electron emissive electrodes
DE2851347A DE2851347C3 (de) 1977-12-02 1978-11-28 Hochdrucknatriumdampfentladungslampe
GB7846455A GB2012104B (en) 1977-12-02 1978-11-29 High-pressure sodium vapour discharge lamp
HU78PI651A HU179568B (en) 1977-12-02 1978-11-29 High pressure sodium vapour discharge lamp
IT30353/78A IT1100406B (it) 1977-12-02 1978-11-29 Lampada a scarica,a vapori di sodio,ad alta pressione
ES475553A ES475553A1 (es) 1977-12-02 1978-11-30 Lampara de descarga de vapor de sodio a alta presion mejora-da
BE192083A BE872450A (fr) 1977-12-02 1978-11-30 Lampe a decharge dans la vapeur de sodium a haute pression
FR7833978A FR2410877A1 (fr) 1977-12-02 1978-12-01 Lampe a decharge dans la vapeur de sodium a haute pression
JP14800478A JPS5485576A (en) 1977-12-02 1978-12-01 High voltage sodium vapor discharge lamp
US06/182,192 US4420708A (en) 1977-12-02 1980-08-28 High-pressure sodium vapor discharge lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7713348,A NL177455C (nl) 1977-12-02 1977-12-02 Hogedrukmetaaldampontladingslamp.

Publications (3)

Publication Number Publication Date
NL7713348A NL7713348A (nl) 1979-06-06
NL177455B NL177455B (nl) 1985-04-16
NL177455C true NL177455C (nl) 1985-09-16

Family

ID=19829677

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7713348,A NL177455C (nl) 1977-12-02 1977-12-02 Hogedrukmetaaldampontladingslamp.

Country Status (11)

Country Link
US (1) US4420708A (nl)
JP (1) JPS5485576A (nl)
BE (1) BE872450A (nl)
CA (1) CA1121854A (nl)
DE (1) DE2851347C3 (nl)
ES (1) ES475553A1 (nl)
FR (1) FR2410877A1 (nl)
GB (1) GB2012104B (nl)
HU (1) HU179568B (nl)
IT (1) IT1100406B (nl)
NL (1) NL177455C (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL175770C (nl) * 1978-10-06 1984-12-17 Philips Nv Hogedruknatriumdampontladingslamp.
NL8000326A (nl) * 1979-05-28 1980-12-02 Philips Nv Hogedruknatriumdampontladingslamp.
NL185478C (nl) * 1980-09-05 1990-04-17 Philips Nv Hogedruknatriumdampontladingslamp.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA728769A (en) * 1966-02-22 Antonis Basil Thermionic cathodes
JPS4935579B1 (nl) * 1968-06-27 1974-09-24
US3708710A (en) * 1970-12-14 1973-01-02 Gen Electric Discharge lamp thermoionic cathode containing emission material
JPS541110B2 (nl) * 1973-11-30 1979-01-20
JPS5124085A (ja) * 1974-08-21 1976-02-26 Mitsubishi Electric Corp Hodentoyodenkyoku
JPS5842587B2 (ja) * 1975-01-27 1983-09-20 三菱電機株式会社 ホウデントウヨウデンキヨク
NL175771B (nl) * 1975-06-20 1984-07-16 Philips Nv Hogedrukgasontladingslamp en een werkwijze voor de vervaardiging hiervan.
US4152620A (en) * 1978-06-29 1979-05-01 Westinghouse Electric Corp. High intensity vapor discharge lamp with sintering aids for electrode emission materials

Also Published As

Publication number Publication date
IT1100406B (it) 1985-09-28
IT7830353A0 (it) 1978-11-29
ES475553A1 (es) 1979-04-01
US4420708A (en) 1983-12-13
DE2851347B2 (de) 1980-07-03
GB2012104B (en) 1982-04-21
NL7713348A (nl) 1979-06-06
DE2851347A1 (de) 1979-06-07
HU179568B (en) 1982-11-29
FR2410877A1 (fr) 1979-06-29
CA1121854A (en) 1982-04-13
JPS5485576A (en) 1979-07-07
BE872450A (fr) 1979-05-30
GB2012104A (en) 1979-07-18
FR2410877B1 (nl) 1984-01-20
NL177455B (nl) 1985-04-16
DE2851347C3 (de) 1981-06-04

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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
V1 Lapsed because of non-payment of the annual fee