BE366649A - - Google Patents
Info
- Publication number
- BE366649A BE366649A BE366649DA BE366649A BE 366649 A BE366649 A BE 366649A BE 366649D A BE366649D A BE 366649DA BE 366649 A BE366649 A BE 366649A
- 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
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE344497X | 1929-06-29 | ||
| US447051A US2251045A (en) | 1929-06-29 | 1930-04-24 | Gaseous electric discharge device |
| US606366A US2251046A (en) | 1929-06-29 | 1932-04-20 | Gaseous electric discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE366649A true BE366649A (en:Method) |
Family
ID=32073666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE366649D BE366649A (en:Method) | 1929-06-29 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2251046A (en:Method) |
| BE (1) | BE366649A (en:Method) |
| FR (1) | FR687266A (en:Method) |
| GB (1) | GB344497A (en:Method) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2464373A (en) * | 1941-07-14 | 1949-03-15 | Nat Inv S Corp | Fluorescent discharge tube |
| US2431135A (en) * | 1944-03-29 | 1947-11-18 | Westinghouse Electric Corp | Apparatus for coating cathodes |
| US2453118A (en) * | 1946-05-08 | 1948-11-09 | Western Union Telegraph Co | Concentrated arc discharge device |
| US2509649A (en) * | 1947-06-17 | 1950-05-30 | New England Spectrochemical La | Spectrographic treatment of organic materials |
| US2662196A (en) * | 1948-11-04 | 1953-12-08 | Western Union Telegraph Co | Concentrated arc lamp |
| US2670451A (en) * | 1950-01-12 | 1954-02-23 | Westinghouse Electric Corp | Short arc high-pressure vapor discharge lamp |
| FR1478565A (fr) * | 1966-03-15 | 1967-04-28 | Lampes Sa | Perfectionnement aux lampes à décharge électrique renfermant des iodures métalliques dont de l'iodure de sodium |
-
0
- BE BE366649D patent/BE366649A/xx unknown
-
1929
- 1929-12-04 GB GB37227/29A patent/GB344497A/en not_active Expired
- 1929-12-26 FR FR687266D patent/FR687266A/fr not_active Expired
-
1932
- 1932-04-20 US US606366A patent/US2251046A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2251046A (en) | 1941-07-29 |
| FR687266A (fr) | 1930-08-06 |
| GB344497A (en) | 1931-03-04 |