GB579375A - Improvement in hpmv electric discharge lamps - Google Patents
Improvement in hpmv electric discharge lampsInfo
- Publication number
- GB579375A GB579375A GB12842/43A GB1284243A GB579375A GB 579375 A GB579375 A GB 579375A GB 12842/43 A GB12842/43 A GB 12842/43A GB 1284243 A GB1284243 A GB 1284243A GB 579375 A GB579375 A GB 579375A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anode
- axis
- cathode
- anodes
- lamp
- 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
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 2
- 229910052753 mercury Inorganic materials 0.000 abstract 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 2
- 229910052721 tungsten Inorganic materials 0.000 abstract 2
- 239000010937 tungsten Substances 0.000 abstract 2
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000013021 overheating Methods 0.000 abstract 1
- 238000000926 separation method Methods 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
- H01J61/84—Lamps with discharge constricted by high pressure
- H01J61/86—Lamps with discharge constricted by high pressure with discharge additionally constricted by close spacing of electrodes, e.g. for optical projection
Landscapes
- Vessels And Coating Films For Discharge Lamps (AREA)
- Discharge Lamp (AREA)
- Optical Elements Other Than Lenses (AREA)
- Fixing For Electrophotography (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE463742D BE463742A (enrdf_load_stackoverflow) | 1943-08-09 | ||
BE463722D BE463722A (enrdf_load_stackoverflow) | 1943-08-09 | ||
GB12842/43A GB579375A (en) | 1943-08-09 | 1943-08-09 | Improvement in hpmv electric discharge lamps |
GB17825/44A GB589240A (en) | 1943-08-09 | 1944-09-18 | Improvements in electric discharge lamps |
ES172331A ES172331A1 (es) | 1943-08-09 | 1946-01-28 | Lámpara eléctrica de vapor de mercurio de alta presión |
FR920932D FR920932A (fr) | 1943-08-09 | 1946-01-30 | Lampe à décharge électrique à haute pression |
FR54668D FR54668E (fr) | 1943-08-09 | 1946-01-31 | Lampe à décharge électrique à haute pression |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB12842/43A GB579375A (en) | 1943-08-09 | 1943-08-09 | Improvement in hpmv electric discharge lamps |
Publications (1)
Publication Number | Publication Date |
---|---|
GB579375A true GB579375A (en) | 1946-08-01 |
Family
ID=10012125
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB12842/43A Expired GB579375A (en) | 1943-08-09 | 1943-08-09 | Improvement in hpmv electric discharge lamps |
GB17825/44A Expired GB589240A (en) | 1943-08-09 | 1944-09-18 | Improvements in electric discharge lamps |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB17825/44A Expired GB589240A (en) | 1943-08-09 | 1944-09-18 | Improvements in electric discharge lamps |
Country Status (4)
Country | Link |
---|---|
BE (2) | BE463742A (enrdf_load_stackoverflow) |
ES (1) | ES172331A1 (enrdf_load_stackoverflow) |
FR (2) | FR920932A (enrdf_load_stackoverflow) |
GB (2) | GB579375A (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2733373A (en) * | 1956-01-31 | Germer | ||
US2625671A (en) * | 1949-07-19 | 1953-01-13 | Krefft Hermann Eduard | Electrical discharge lamp |
US3304457A (en) * | 1961-09-21 | 1967-02-14 | Trw Inc | High intensity light source |
-
0
- BE BE463722D patent/BE463722A/xx unknown
- BE BE463742D patent/BE463742A/xx unknown
-
1943
- 1943-08-09 GB GB12842/43A patent/GB579375A/en not_active Expired
-
1944
- 1944-09-18 GB GB17825/44A patent/GB589240A/en not_active Expired
-
1946
- 1946-01-28 ES ES172331A patent/ES172331A1/es not_active Expired
- 1946-01-30 FR FR920932D patent/FR920932A/fr not_active Expired
- 1946-01-31 FR FR54668D patent/FR54668E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES172331A1 (es) | 1946-03-01 |
BE463742A (enrdf_load_stackoverflow) | |
GB589240A (en) | 1947-06-16 |
FR920932A (fr) | 1947-04-22 |
BE463722A (enrdf_load_stackoverflow) | |
FR54668E (fr) | 1950-07-27 |
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