BE463742A - - Google Patents
Info
- Publication number
- BE463742A BE463742A BE463742DA BE463742A BE 463742 A BE463742 A BE 463742A BE 463742D A BE463742D A BE 463742DA BE 463742 A BE463742 A BE 463742A
- Authority
- BE
- Belgium
Links
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
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 |
|---|---|
| BE463742A true BE463742A (US07223432-20070529-C00017.png) |
Family
ID=10012125
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE463722D BE463722A (US07223432-20070529-C00017.png) | 1943-08-09 | ||
| BE463742D BE463742A (US07223432-20070529-C00017.png) | 1943-08-09 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE463722D BE463722A (US07223432-20070529-C00017.png) | 1943-08-09 |
Country Status (4)
| Country | Link |
|---|---|
| BE (2) | BE463742A (US07223432-20070529-C00017.png) |
| ES (1) | ES172331A1 (US07223432-20070529-C00017.png) |
| FR (2) | FR920932A (US07223432-20070529-C00017.png) |
| GB (2) | GB579375A (US07223432-20070529-C00017.png) |
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 |
|---|---|
| GB579375A (en) | 1946-08-01 |
| ES172331A1 (es) | 1946-03-01 |
| FR54668E (fr) | 1950-07-27 |
| BE463722A (US07223432-20070529-C00017.png) | |
| FR920932A (fr) | 1947-04-22 |
| GB589240A (en) | 1947-06-16 |
