GB494832A - Improvements in electric high-pressure metal-vapour discharge tubes - Google Patents
Improvements in electric high-pressure metal-vapour discharge tubesInfo
- Publication number
- GB494832A GB494832A GB21309/38A GB2130938A GB494832A GB 494832 A GB494832 A GB 494832A GB 21309/38 A GB21309/38 A GB 21309/38A GB 2130938 A GB2130938 A GB 2130938A GB 494832 A GB494832 A GB 494832A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- vapour
- metal
- pressure
- cylinder
- 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
Links
- 229910052751 metal Inorganic materials 0.000 abstract 3
- 239000002184 metal Substances 0.000 abstract 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052786 argon Inorganic materials 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 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
- H01J61/28—Means for producing, introducing, or replenishing gas or vapour during operation of the lamp
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE205008X | 1937-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB494832A true GB494832A (en) | 1938-11-01 |
Family
ID=5784890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21309/38A Expired GB494832A (en) | 1937-07-20 | 1938-07-18 | Improvements in electric high-pressure metal-vapour discharge tubes |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE429242A (enrdf_load_stackoverflow) |
| CH (1) | CH205008A (enrdf_load_stackoverflow) |
| FR (1) | FR840825A (enrdf_load_stackoverflow) |
| GB (1) | GB494832A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2565733A1 (fr) * | 1984-06-12 | 1985-12-13 | Tungsram Reszvenytarsasag | Lampe a vapeur de sodium a haute pression |
-
0
- BE BE429242D patent/BE429242A/xx unknown
-
1938
- 1938-07-18 GB GB21309/38A patent/GB494832A/en not_active Expired
- 1938-07-19 FR FR840825D patent/FR840825A/fr not_active Expired
- 1938-07-19 CH CH205008D patent/CH205008A/de unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2565733A1 (fr) * | 1984-06-12 | 1985-12-13 | Tungsram Reszvenytarsasag | Lampe a vapeur de sodium a haute pression |
| US4678958A (en) * | 1984-06-12 | 1987-07-07 | Tungsram Rt. | High pressure sodium vapor lamp with improved color reproduction index |
Also Published As
| Publication number | Publication date |
|---|---|
| BE429242A (enrdf_load_stackoverflow) | |
| FR840825A (fr) | 1939-05-04 |
| CH205008A (de) | 1939-05-31 |
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