HU179568B - High pressure sodium vapour discharge lamp - Google Patents

High pressure sodium vapour discharge lamp

Info

Publication number
HU179568B
HU179568B HU78PI651A HUPI000651A HU179568B HU 179568 B HU179568 B HU 179568B HU 78PI651 A HU78PI651 A HU 78PI651A HU PI000651 A HUPI000651 A HU PI000651A HU 179568 B HU179568 B HU 179568B
Authority
HU
Hungary
Prior art keywords
high pressure
discharge lamp
pressure sodium
vapour discharge
sodium vapour
Prior art date
Application number
HU78PI651A
Other languages
English (en)
Inventor
Cornelis A Jacobs
Peter A Tielemans
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 HU179568B publication Critical patent/HU179568B/hu

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
HU78PI651A 1977-12-02 1978-11-29 High pressure sodium vapour discharge lamp HU179568B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
HU179568B true HU179568B (en) 1982-11-29

Family

ID=19829677

Family Applications (1)

Application Number Title Priority Date Filing Date
HU78PI651A HU179568B (en) 1977-12-02 1978-11-29 High pressure sodium vapour discharge lamp

Country Status (11)

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

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 (hu) * 1968-06-27 1974-09-24
US3708710A (en) * 1970-12-14 1973-01-02 Gen Electric Discharge lamp thermoionic cathode containing emission material
JPS541110B2 (hu) * 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
NL177455C (nl) 1985-09-16
DE2851347B2 (de) 1980-07-03
GB2012104B (en) 1982-04-21
NL7713348A (nl) 1979-06-06
DE2851347A1 (de) 1979-06-07
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 (hu) 1984-01-20
NL177455B (nl) 1985-04-16
DE2851347C3 (de) 1981-06-04

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