DE3378286D1 - High pressure sodium lamp having improved efficacy - Google Patents

High pressure sodium lamp having improved efficacy

Info

Publication number
DE3378286D1
DE3378286D1 DE8383111492T DE3378286T DE3378286D1 DE 3378286 D1 DE3378286 D1 DE 3378286D1 DE 8383111492 T DE8383111492 T DE 8383111492T DE 3378286 T DE3378286 T DE 3378286T DE 3378286 D1 DE3378286 D1 DE 3378286D1
Authority
DE
Germany
Prior art keywords
high pressure
pressure sodium
sodium lamp
improved efficacy
efficacy
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8383111492T
Other languages
English (en)
Inventor
Charles Irving Mcvey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE3378286D1 publication Critical patent/DE3378286D1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C04B35/115—Translucent or transparent products
    • 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
    • H01J61/302—Vessels; Containers characterised by the material of the vessel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
    • H01J61/825—High-pressure sodium lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamps And Accessories Thereof (AREA)
  • Discharge Lamp (AREA)
DE8383111492T 1982-11-26 1983-11-17 High pressure sodium lamp having improved efficacy Expired DE3378286D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44477782A 1982-11-26 1982-11-26

Publications (1)

Publication Number Publication Date
DE3378286D1 true DE3378286D1 (en) 1988-11-24

Family

ID=23766315

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383111492T Expired DE3378286D1 (en) 1982-11-26 1983-11-17 High pressure sodium lamp having improved efficacy

Country Status (4)

Country Link
EP (1) EP0110248B1 (de)
JP (1) JPS59112564A (de)
CA (1) CA1207372A (de)
DE (1) DE3378286D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4736136A (en) * 1986-06-16 1988-04-05 Gte Laboratories Incorporated Discharge lamps with coated ceramic arc tubes and fabrication thereof
US5382556A (en) * 1992-04-22 1995-01-17 Sumitomo Chemical Company, Limited Translucent polycrystalline alumina and process for producing the same
DE69312299T2 (de) * 1993-12-10 1998-01-15 Ngk Insulators Ltd Hochdruckentladungslampe mit keramischer Entladungsröhre, dafür geeigneter keramischer Körper und Verfahren zu seiner Herstellung
EP0837492A3 (de) * 1996-10-16 1998-05-27 Osram Sylvania Inc. Entladungslampe hoher Intensität mit einer Xenon enthaltende Füllung unter mittlerem Druck

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248590A (en) * 1963-03-01 1966-04-26 Gen Electric High pressure sodium vapor lamp
US3384798A (en) * 1966-04-26 1968-05-21 Gen Electric High pressure saturation vapor sodium lamp containing mercury
JPS5679847A (en) * 1979-12-04 1981-06-30 Toshiba Ceramics Co Ltd Light transmittable alumina tube and high pressure sodium vapor discharge lamp
US4285732A (en) * 1980-03-11 1981-08-25 General Electric Company Alumina ceramic
JPS5710543A (en) * 1980-06-23 1982-01-20 Nec Corp Ss-tdma synchronizing device

Also Published As

Publication number Publication date
JPS59112564A (ja) 1984-06-29
EP0110248A2 (de) 1984-06-13
CA1207372A (en) 1986-07-08
EP0110248A3 (en) 1985-05-22
EP0110248B1 (de) 1988-10-19

Similar Documents

Publication Publication Date Title
GB2105515B (en) High-pressure sodium lamp
DE3373591D1 (en) High-pressure sodium discharge lamp
DE3361310D1 (en) High pressure discharge lamp
DE3377842D1 (en) High-pressure sodium discharge lamp
DE3364730D1 (en) Sodium carboxymethylcellulose
GB2091032B (en) High pressure sodium discharge lamp
EP0200109A3 (en) Gettered high pressure sodium lamp
DE3378286D1 (en) High pressure sodium lamp having improved efficacy
HUT39030A (en) High-pressure sodium lamp
DE3172126D1 (en) High-pressure sodium lamp
GB2066558B (en) High-pressure sodium lamp
GB2051470B (en) High-pressure sodium discharge lamp
DE3666998D1 (en) High pressure sodium lamp having improved pressure stability
GB8320718D0 (en) Hp discharge lamps
GB2127633B (en) High pressure discharge lamp
GB8310037D0 (en) Lampholder
JPS57145263A (en) High pressure sodium lamp
DE3378392D1 (en) High pressure sodium vapor lamp
DE3169958D1 (en) High pressure sodium lamp having improved efficacy
DE3371840D1 (en) Lampholder
DE3475855D1 (en) Unsaturated vapor pressure type high pressure sodium lamp
GB8415238D0 (en) High pressure discharge lamp
GB8304524D0 (en) High pressure sodium lamp
DE3378287D1 (en) High pressure sodium lamp having improved coloring rendition
JPS5755056A (en) High pressure sodium vapor discharge lamp

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee