GB415554A - Improvements in and relating to gas discharge devices - Google Patents
Improvements in and relating to gas discharge devicesInfo
- Publication number
- GB415554A GB415554A GB18721/33A GB1872133A GB415554A GB 415554 A GB415554 A GB 415554A GB 18721/33 A GB18721/33 A GB 18721/33A GB 1872133 A GB1872133 A GB 1872133A GB 415554 A GB415554 A GB 415554A
- Authority
- GB
- United Kingdom
- Prior art keywords
- discharge
- mercury
- projections
- discharge vessel
- metal
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J65/00—Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
- H01J65/04—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels
- H01J65/042—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field
- H01J65/048—Lamps in which a gas filling is excited to luminesce by an external electromagnetic field or by external corpuscular radiation, e.g. for indicating plasma display panels by an external electromagnetic field the field being produced by using an excitation coil
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Electromagnetism (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US620403A US1919490A (en) | 1932-07-01 | 1932-07-01 | Source of light and method of operating the same |
Publications (1)
Publication Number | Publication Date |
---|---|
GB415554A true GB415554A (en) | 1934-08-30 |
Family
ID=24485787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB18721/33A Expired GB415554A (en) | 1932-07-01 | 1933-07-01 | Improvements in and relating to gas discharge devices |
Country Status (5)
Country | Link |
---|---|
US (1) | US1919490A (enrdf_load_stackoverflow) |
DE (1) | DE615732C (enrdf_load_stackoverflow) |
FR (1) | FR758409A (enrdf_load_stackoverflow) |
GB (1) | GB415554A (enrdf_load_stackoverflow) |
NL (1) | NL39334C (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2213318A (en) * | 1987-12-28 | 1989-08-09 | Gen Electric | Excitation coil for hid electrodeless discharge lamp |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2484332A (en) * | 1944-09-09 | 1949-10-11 | Emil R Capita | Ultraviolet light apparatus |
US2920408A (en) * | 1956-09-17 | 1960-01-12 | Reed Res Inc | Electric display sign |
US3042829A (en) * | 1960-03-22 | 1962-07-03 | Curtis J Humphreys | Sapphire spectrum tube for microwave excitation |
US3048738A (en) * | 1960-03-22 | 1962-08-07 | Jr Edward Paul | Microwave excited spectrum tube with internal heater |
US3109960A (en) * | 1960-09-16 | 1963-11-05 | Varian Associates | Electrodeless discharge lamp apparatus |
FR1318738A (fr) * | 1962-01-10 | 1963-02-22 | Csf | Perfectionnements aux cellules de résonance pour pompage optique |
US3170086A (en) * | 1962-01-26 | 1965-02-16 | Varian Associates | Electrodeless discharge lamp apparatus |
-
0
- NL NL39334D patent/NL39334C/xx active
-
1932
- 1932-07-01 US US620403A patent/US1919490A/en not_active Expired - Lifetime
- 1932-08-31 DE DEL81905D patent/DE615732C/de not_active Expired
-
1933
- 1933-06-30 FR FR758409D patent/FR758409A/fr not_active Expired
- 1933-07-01 GB GB18721/33A patent/GB415554A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2213318A (en) * | 1987-12-28 | 1989-08-09 | Gen Electric | Excitation coil for hid electrodeless discharge lamp |
GB2213318B (en) * | 1987-12-28 | 1992-08-12 | Gen Electric | Excitation coil for hid electrodeless discharge lamp |
Also Published As
Publication number | Publication date |
---|---|
US1919490A (en) | 1933-07-25 |
NL39334C (enrdf_load_stackoverflow) | |
DE615732C (de) | 1935-07-11 |
FR758409A (fr) | 1934-01-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB415554A (en) | Improvements in and relating to gas discharge devices | |
GB545592A (en) | Improvements in or relating to gaseous electric discharge lamps | |
GB520624A (en) | Improvements in or relating to electric incandescent lamps or discharge tubes | |
US1949069A (en) | Luminescent tube | |
US1888421A (en) | Vacuum tube | |
USRE21150E (en) | Source of light and method of oper | |
SU389571A1 (ru) | Люминесцентная лампа с амальгамой | |
US814696A (en) | Method of producing light. | |
GB367891A (en) | Improvements in or relating to electrical glow discharge devices | |
US2730645A (en) | Metallic flame radiation | |
GB191423113A (en) | Improvements in and relating to Electric Incandescent Lamps. | |
US2087762A (en) | Glass composition for electric gaseous discharge devices | |
GB431409A (en) | Improvements in or relating to luminous electric discharge tubes | |
GB550744A (en) | Improvements in and relating to fluorescent materials | |
US1284387A (en) | Arc-lamp. | |
GB404351A (en) | Improvements in or relating to electric glow discharge lamps | |
GB399317A (en) | Improvements relating to metal vapour lamps | |
GB537936A (en) | Improvements relating to electric discharge lamps | |
GB474526A (en) | Improvements in and relating to electric discharge lamps used in association with fluorescent material | |
GB471900A (en) | Electric metallic-vapour arc discharge lamps | |
GB442400A (en) | Improvements in electric discharge lamps | |
GB311704A (en) | Improvements in vacuum or low pressure metallic vapour lamps | |
Buttolph | High-efficiency gaseous-conduction lamps | |
GB485274A (en) | Improvements in or relating to high-pressure mercury-vapour discharge lamps | |
GB449292A (en) | Improvements in lamp reflectors and lenses therefor |