IT7941597A0 - Lampada colorata a vapori di sodio ad alta pressione. - Google Patents

Lampada colorata a vapori di sodio ad alta pressione.

Info

Publication number
IT7941597A0
IT7941597A0 IT7941597A IT4159779A IT7941597A0 IT 7941597 A0 IT7941597 A0 IT 7941597A0 IT 7941597 A IT7941597 A IT 7941597A IT 4159779 A IT4159779 A IT 4159779A IT 7941597 A0 IT7941597 A0 IT 7941597A0
Authority
IT
Italy
Prior art keywords
high pressure
pressure sodium
vapor lamp
sodium vapor
colored high
Prior art date
Application number
IT7941597A
Other languages
English (en)
Other versions
IT1125971B (it
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of IT7941597A0 publication Critical patent/IT7941597A0/it
Application granted granted Critical
Publication of IT1125971B publication Critical patent/IT1125971B/it

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
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
    • H01J61/523—Heating or cooling particular parts of the lamp
IT41597/79A 1978-07-11 1979-07-10 Lampada colorata a vapori di sodio ad alta pressione IT1125971B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/923,597 US4230964A (en) 1978-07-11 1978-07-11 Color high-pressure sodium vapor lamp

Publications (2)

Publication Number Publication Date
IT7941597A0 true IT7941597A0 (it) 1979-07-10
IT1125971B IT1125971B (it) 1986-05-14

Family

ID=25448945

Family Applications (1)

Application Number Title Priority Date Filing Date
IT41597/79A IT1125971B (it) 1978-07-11 1979-07-10 Lampada colorata a vapori di sodio ad alta pressione

Country Status (8)

Country Link
US (1) US4230964A (it)
JP (1) JPS5512694A (it)
BE (1) BE877590A (it)
DE (1) DE2928067A1 (it)
FR (1) FR2431186A1 (it)
GB (1) GB2026766B (it)
IT (1) IT1125971B (it)
NL (1) NL7905069A (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4418300A (en) 1980-01-17 1983-11-29 Mitsubishi Denki Kabushiki Kaisha Metal vapor discharge lamp with heat insulator and starting aid
US4382205A (en) * 1980-09-02 1983-05-03 General Electric Company Metal vapor arc lamp having thermal link diminishable in heat conduction
DE3368810D1 (en) * 1982-02-10 1987-02-05 Mitsubishi Electric Corp Metal vapor discharge lamp
DE3378444D1 (en) * 1982-12-22 1988-12-15 Philips Nv Discharge lamp
HU191305B (en) * 1984-03-29 1987-02-27 Tungsram Rt,Hu High pressure sodium or metal halogen lamp for dc operation
DE3525886A1 (de) * 1985-07-19 1987-01-29 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Metalldampfhochdruckentladungslampe
JPS62241212A (ja) * 1986-04-12 1987-10-21 松下電工株式会社 封止接点装置
US6242851B1 (en) * 1998-05-07 2001-06-05 Matsushita Electric Works Research And Development Laboratory Inc Dimmable metal halide lamp without color temperature change

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3037883A (en) * 1959-02-18 1962-06-05 Chromalloy Corp Diffusion coating of non-ferrous metals
US3293068A (en) * 1963-08-19 1966-12-20 United Aircraft Corp Coatings for columbium base alloys
US3492102A (en) * 1966-03-16 1970-01-27 United Aircraft Corp Refractory metal articles protected from atmospheric contamination at elevated temperatures by surface coatings
US3384798A (en) * 1966-04-26 1968-05-21 Gen Electric High pressure saturation vapor sodium lamp containing mercury
US3540920A (en) * 1967-08-24 1970-11-17 Texas Instruments Inc Process of simultaneously vapor depositing silicides of chromium and titanium
GB1280735A (en) * 1969-08-29 1972-07-05 Matsushita Electronics Corp High pressure metal-vapour discharge tube
US3723784A (en) * 1971-04-15 1973-03-27 Gen Electric Alumina ceramic lamp having heat-reflecting shields surrounding its electrodes
US3906272A (en) * 1974-04-01 1975-09-16 Gen Electric Low wattage high pressure sodium vapor lamps
NL174682C (nl) * 1974-11-14 1985-01-16 Philips Nv Elektrische ontladingslamp.
JPS5199885A (ja) * 1975-02-28 1976-09-03 Hitachi Ltd Chokoatsusuiginto
JPS51102379A (ja) * 1975-03-07 1976-09-09 Hitachi Ltd Hodento
US3974410A (en) * 1975-04-04 1976-08-10 General Electric Company Alumina ceramic lamp having enhanced heat conduction to the amalgam pool
US4001634A (en) * 1975-09-02 1977-01-04 General Electric Company Discharge lamp having thermal switch starter
FR2349954A1 (fr) * 1976-04-28 1977-11-25 Japan Storage Battery Co Ltd Lampe a vapeur de sodium a haute pression
US4052636A (en) * 1976-08-02 1977-10-04 General Electric Company High pressure sodium vapor lamp stabilized for pulse operation
US4103200A (en) * 1977-05-13 1978-07-25 Westinghouse Electric Corp. Arc tube end seal and method of forming

Also Published As

Publication number Publication date
DE2928067A1 (de) 1980-01-24
JPS5512694A (en) 1980-01-29
GB2026766A (en) 1980-02-06
FR2431186A1 (fr) 1980-02-08
GB2026766B (en) 1982-07-28
FR2431186B1 (it) 1985-04-12
BE877590A (fr) 1980-01-09
IT1125971B (it) 1986-05-14
US4230964A (en) 1980-10-28
NL7905069A (nl) 1980-01-15

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