IT8419588A0 - HIGH PRESSURE SODIUM ARC LAMP TUBES WITH IMPROVED COLOR RENDERING HAVING AN OXYGEN ABSORBER. - Google Patents
HIGH PRESSURE SODIUM ARC LAMP TUBES WITH IMPROVED COLOR RENDERING HAVING AN OXYGEN ABSORBER.Info
- Publication number
- IT8419588A0 IT8419588A0 IT8419588A IT1958884A IT8419588A0 IT 8419588 A0 IT8419588 A0 IT 8419588A0 IT 8419588 A IT8419588 A IT 8419588A IT 1958884 A IT1958884 A IT 1958884A IT 8419588 A0 IT8419588 A0 IT 8419588A0
- Authority
- IT
- Italy
- Prior art keywords
- high pressure
- color rendering
- arc lamp
- pressure sodium
- improved color
- Prior art date
Links
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title 1
- 239000006096 absorbing agent Substances 0.000 title 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title 1
- 229910052760 oxygen Inorganic materials 0.000 title 1
- 239000001301 oxygen Substances 0.000 title 1
- 238000009877 rendering Methods 0.000 title 1
- 229910052708 sodium Inorganic materials 0.000 title 1
- 239000011734 sodium Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/24—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
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US46593383A | 1983-02-14 | 1983-02-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8419588A0 true IT8419588A0 (en) | 1984-02-13 |
| IT1175940B IT1175940B (en) | 1987-08-12 |
Family
ID=23849758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT19588/84A IT1175940B (en) | 1983-02-14 | 1984-02-13 | TUBES OF HIGH PRESSURE SODIUM ARC LAMPS WITH IMPROVED COLOR YIELD HAVING AN OXYGEN ABSORBER |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS59160951A (en) |
| BE (1) | BE898890A (en) |
| CA (1) | CA1214196A (en) |
| DE (1) | DE3404661A1 (en) |
| FR (1) | FR2541043B1 (en) |
| GB (1) | GB2138202A (en) |
| IT (1) | IT1175940B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1222274A (en) * | 1983-03-10 | 1987-05-26 | Philip J. White | Unsaturated vapor high pressure sodium lamp getter mounting |
| CA1241365A (en) * | 1983-03-10 | 1988-08-30 | John A. Scholz | Unsaturated vapor high pressure sodium lamp arc tube fabrication process |
| CA1222273A (en) * | 1983-03-10 | 1987-05-26 | Philip J. White | Unsaturated vapor pressure type high pressure sodium lamp |
| US4620129A (en) * | 1985-04-29 | 1986-10-28 | General Electric Company | Gettered high pressure sodium lamp |
| US5128106A (en) * | 1990-07-12 | 1992-07-07 | Gte Products Corporation | Lamp with an oxygen detector |
| DE19653364C2 (en) * | 1996-12-20 | 2003-01-09 | Erhard Habermann | flash tube |
| ITMI20032208A1 (en) * | 2003-11-14 | 2005-05-15 | Getters Spa | CATODO WITH INTEGRATED AND LOW FUNCTION GETTER WORK FOR COLD CATO LAMPS. |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB698840A (en) * | 1950-09-09 | 1953-10-21 | British Thomson Houston Co Ltd | Improvements in electric incandescent lamps and similar devices |
| US3248590A (en) * | 1963-03-01 | 1966-04-26 | Gen Electric | High pressure 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 |
| US3558963A (en) * | 1968-08-16 | 1971-01-26 | Gen Electric | High-intensity vapor arc-lamp |
| US3621322A (en) * | 1968-09-12 | 1971-11-16 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | High-pressure compact arc lamp with electrodes containing tantalum carbide |
| GB1514467A (en) * | 1975-05-23 | 1978-06-14 | Wall Colmonoy Ltd | Controlled atmosphere and vacuum processes |
| US4025812A (en) * | 1975-10-14 | 1977-05-24 | General Electric Company | Alumina ceramic alkali metal lamp having metal getter structure |
| GB2125615B (en) * | 1982-08-05 | 1985-11-27 | Emi Plc Thorn | Improvements in hp discharge lamps |
-
1984
- 1984-01-27 CA CA000446261A patent/CA1214196A/en not_active Expired
- 1984-02-03 GB GB08402889A patent/GB2138202A/en not_active Withdrawn
- 1984-02-10 JP JP59022042A patent/JPS59160951A/en active Pending
- 1984-02-10 DE DE19843404661 patent/DE3404661A1/en not_active Withdrawn
- 1984-02-13 FR FR8402149A patent/FR2541043B1/en not_active Expired
- 1984-02-13 BE BE0/212372A patent/BE898890A/en not_active IP Right Cessation
- 1984-02-13 IT IT19588/84A patent/IT1175940B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| IT1175940B (en) | 1987-08-12 |
| GB8402889D0 (en) | 1984-03-07 |
| FR2541043B1 (en) | 1987-02-27 |
| BE898890A (en) | 1984-08-13 |
| CA1214196A (en) | 1986-11-18 |
| GB2138202A (en) | 1984-10-17 |
| FR2541043A1 (en) | 1984-08-17 |
| JPS59160951A (en) | 1984-09-11 |
| DE3404661A1 (en) | 1984-08-16 |
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