AU2547884A - Unsaturated vapor pressure type high pressure sodium lamp - Google Patents
Unsaturated vapor pressure type high pressure sodium lampInfo
- Publication number
- AU2547884A AU2547884A AU25478/84A AU2547884A AU2547884A AU 2547884 A AU2547884 A AU 2547884A AU 25478/84 A AU25478/84 A AU 25478/84A AU 2547884 A AU2547884 A AU 2547884A AU 2547884 A AU2547884 A AU 2547884A
- Authority
- AU
- Australia
- Prior art keywords
- type high
- sodium lamp
- high pressure
- unsaturated vapor
- vapor pressure
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47389583A | 1983-03-10 | 1983-03-10 | |
US473895 | 1983-03-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2547884A true AU2547884A (en) | 1984-09-13 |
AU578603B2 AU578603B2 (en) | 1988-11-03 |
Family
ID=23881464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU25478/84A Ceased AU578603B2 (en) | 1983-03-10 | 1984-03-09 | Unsaturated vapor pressure type high pressure sodium lamp |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0123397B1 (en) |
JP (1) | JPS59169050A (en) |
AU (1) | AU578603B2 (en) |
CA (1) | CA1222273A (en) |
DE (1) | DE3475855D1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4755721A (en) * | 1987-03-16 | 1988-07-05 | Iwasaki Electric Co., Ltd. | High pressure sodium vapor lamp having unsaturated vapor pressure type characteristics |
JP2928813B2 (en) * | 1988-02-10 | 1999-08-03 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Unsaturated high pressure sodium lamp |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3203901A (en) * | 1962-02-15 | 1965-08-31 | Porta Paolo Della | Method of manufacturing zirconiumaluminum alloy getters |
US3384798A (en) * | 1966-04-26 | 1968-05-21 | Gen Electric | High pressure saturation vapor sodium lamp containing mercury |
US3453477A (en) * | 1967-02-16 | 1969-07-01 | Gen Electric | Alumina-ceramic sodium vapor lamp |
GB1211176A (en) * | 1967-02-16 | 1970-11-04 | Gen Electric | High-pressure sodium vapor lamp |
US3485343A (en) * | 1967-08-28 | 1969-12-23 | Gen Electric | Oxygen getter for high pressure sodium vapor lamp |
NL7108465A (en) * | 1970-06-24 | 1971-12-28 | ||
US3805105A (en) * | 1971-06-30 | 1974-04-16 | Gte Sylvania Inc | High pressure electric discharge device with zirconium-aluminum getter |
US4025812A (en) * | 1975-10-14 | 1977-05-24 | General Electric Company | Alumina ceramic alkali metal lamp having metal getter structure |
HU172230B (en) * | 1976-04-07 | 1978-07-28 | Egyesuelt Izzolampa | High-pressure discharge lamp with metallo-haloid additional material |
US4075530A (en) * | 1976-04-21 | 1978-02-21 | Japan Storage Battery Company Limited | High pressure sodium vapor lamp of unsaturated vapor pressure type |
CA1214196A (en) * | 1983-02-14 | 1986-11-18 | Jack M. Strok | Color rendition high pressure sodium arc tubes having an oxygen getter |
-
1984
- 1984-03-06 CA CA000448953A patent/CA1222273A/en not_active Expired
- 1984-03-09 AU AU25478/84A patent/AU578603B2/en not_active Ceased
- 1984-03-09 EP EP84301612A patent/EP0123397B1/en not_active Expired
- 1984-03-09 DE DE8484301612T patent/DE3475855D1/en not_active Expired
- 1984-03-09 JP JP4415684A patent/JPS59169050A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
AU578603B2 (en) | 1988-11-03 |
DE3475855D1 (en) | 1989-02-02 |
EP0123397B1 (en) | 1988-12-28 |
EP0123397A1 (en) | 1984-10-31 |
JPS59169050A (en) | 1984-09-22 |
CA1222273A (en) | 1987-05-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2104720B (en) | High pressure sodium vapour discharge lamp | |
AU558754B2 (en) | High pressure sodium discharge lamp | |
AU579524B2 (en) | High pressure sodium lamp | |
GB2091032B (en) | High pressure sodium discharge lamp | |
AU7927982A (en) | Discharge vessel for high pressure sodium vapour lamps | |
AU587112B2 (en) | High pressure sodium vapor lamp having unsaturated vapor pressure type characteristics | |
JPS54118671A (en) | Low pressure sodium vapor discharge lamp | |
DE3475853D1 (en) | Unsaturated vapor high pressure sodium lamp including getter | |
AU578603B2 (en) | Unsaturated vapor pressure type high pressure sodium lamp | |
AU7944582A (en) | High pressure sodium vapour lamp | |
AU552226B2 (en) | High pressure sodium vapour discharge lamp | |
DE3378392D1 (en) | High pressure sodium vapor lamp | |
EP0110248A3 (en) | High pressure sodium lamp having improved efficacy | |
GB2060244B (en) | High pressure sodium vapour lamp | |
GB8415238D0 (en) | High pressure discharge lamp | |
JPS5755056A (en) | High pressure sodium vapor discharge lamp | |
AU570434B2 (en) | Sodium lamp | |
GB2137407B (en) | Low pressure discharge lamps | |
GB8304524D0 (en) | High pressure sodium lamp | |
GB8507848D0 (en) | High pressure sodium vapour | |
AU578236B2 (en) | Sodium lamp | |
AU578237B2 (en) | Sodium lamp | |
GB8806215D0 (en) | Low pressure sodium lamps | |
AU1847283A (en) | Low pressure gas lamp | |
AU579964B2 (en) | Low pressure mercury vapor discharge lamp |