IT7926248A0 - Lampada a scarica a vapori di sodio ad alta pressione. - Google Patents
Lampada a scarica a vapori di sodio ad alta pressione.Info
- Publication number
- IT7926248A0 IT7926248A0 IT7926248A IT2624879A IT7926248A0 IT 7926248 A0 IT7926248 A0 IT 7926248A0 IT 7926248 A IT7926248 A IT 7926248A IT 2624879 A IT2624879 A IT 2624879A IT 7926248 A0 IT7926248 A0 IT 7926248A0
- Authority
- IT
- Italy
- Prior art keywords
- high pressure
- discharge lamp
- vapor discharge
- pressure sodium
- sodium vapor
- 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
- 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
- H01J61/04—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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7810088,A NL175770C (nl) | 1978-10-06 | 1978-10-06 | Hogedruknatriumdampontladingslamp. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7926248A0 true IT7926248A0 (it) | 1979-10-03 |
| IT1123450B IT1123450B (it) | 1986-04-30 |
Family
ID=19831674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT26248/79A IT1123450B (it) | 1978-10-06 | 1979-10-03 | Lampada a scarica a vapori di sodio ad alta pressione |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4322654A (it) |
| JP (1) | JPS5845141B2 (it) |
| BE (1) | BE879205A (it) |
| CA (1) | CA1135763A (it) |
| DE (1) | DE2939871C2 (it) |
| ES (1) | ES484735A1 (it) |
| FR (1) | FR2438338A1 (it) |
| GB (1) | GB2038082B (it) |
| HU (1) | HU182986B (it) |
| IT (1) | IT1123450B (it) |
| NL (1) | NL175770C (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8000326A (nl) * | 1979-05-28 | 1980-12-02 | Philips Nv | Hogedruknatriumdampontladingslamp. |
| JPS6092628U (ja) * | 1983-11-30 | 1985-06-25 | （株）タチエス | シ−トサスペンシヨンの体重調整装置 |
| JPH026238A (ja) * | 1988-06-23 | 1990-01-10 | Oi Seisakusho Co Ltd | シートアジャスタ |
| US5178808A (en) * | 1988-10-05 | 1993-01-12 | Makar Frank B | End seal manufacture for ceramic arc tubes |
| US7633216B2 (en) * | 2005-11-28 | 2009-12-15 | General Electric Company | Barium-free electrode materials for electric lamps and methods of manufacture thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB714429A (en) * | 1951-07-16 | 1954-08-25 | Gen Electric Co Ltd | Improvements in or relating to thermionic cathodes |
| US3708710A (en) * | 1970-12-14 | 1973-01-02 | Gen Electric | Discharge lamp thermoionic cathode containing emission material |
| NL175771B (nl) * | 1975-06-20 | 1984-07-16 | Philips Nv | Hogedrukgasontladingslamp en een werkwijze voor de vervaardiging hiervan. |
| JPS5367972A (en) * | 1976-11-30 | 1978-06-16 | Mitsubishi Electric Corp | Electrode for elctric discharge lamp |
| NL177455C (nl) * | 1977-12-02 | 1985-09-16 | Philips Nv | Hogedrukmetaaldampontladingslamp. |
| US4152620A (en) * | 1978-06-29 | 1979-05-01 | Westinghouse Electric Corp. | High intensity vapor discharge lamp with sintering aids for electrode emission materials |
-
1978
- 1978-10-06 NL NLAANVRAGE7810088,A patent/NL175770C/xx not_active IP Right Cessation
-
1979
- 1979-09-17 US US06/075,777 patent/US4322654A/en not_active Expired - Lifetime
- 1979-09-27 CA CA000336484A patent/CA1135763A/en not_active Expired
- 1979-09-27 FR FR7924100A patent/FR2438338A1/fr active Granted
- 1979-10-02 DE DE2939871A patent/DE2939871C2/de not_active Expired
- 1979-10-03 IT IT26248/79A patent/IT1123450B/it active
- 1979-10-03 GB GB7934324A patent/GB2038082B/en not_active Expired
- 1979-10-03 HU HU79PI692A patent/HU182986B/hu unknown
- 1979-10-04 BE BE0/197478A patent/BE879205A/fr not_active IP Right Cessation
- 1979-10-04 ES ES484735A patent/ES484735A1/es not_active Expired
- 1979-10-04 JP JP54127440A patent/JPS5845141B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1135763A (en) | 1982-11-16 |
| JPS5845141B2 (ja) | 1983-10-07 |
| DE2939871A1 (de) | 1980-04-24 |
| GB2038082B (en) | 1982-10-13 |
| GB2038082A (en) | 1980-07-16 |
| JPS5553052A (en) | 1980-04-18 |
| HU182986B (en) | 1984-03-28 |
| BE879205A (fr) | 1980-04-04 |
| NL175770B (nl) | 1984-07-16 |
| ES484735A1 (es) | 1980-06-16 |
| NL7810088A (nl) | 1980-04-09 |
| FR2438338A1 (fr) | 1980-04-30 |
| IT1123450B (it) | 1986-04-30 |
| DE2939871C2 (de) | 1985-07-11 |
| NL175770C (nl) | 1984-12-17 |
| US4322654A (en) | 1982-03-30 |
| FR2438338B1 (it) | 1982-08-13 |
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