BE454404A - - Google Patents
Info
- Publication number
- BE454404A BE454404A BE454404DA BE454404A BE 454404 A BE454404 A BE 454404A BE 454404D A BE454404D A BE 454404DA BE 454404 A BE454404 A BE 454404A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL239640X | 1943-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE454404A true BE454404A (en:Method) |
Family
ID=19780468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE454404D BE454404A (en:Method) | 1943-02-15 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2537923A (en:Method) |
| BE (1) | BE454404A (en:Method) |
| CH (1) | CH239640A (en:Method) |
| DE (1) | DE856768C (en:Method) |
| FR (1) | FR901951A (en:Method) |
| GB (1) | GB626710A (en:Method) |
| NL (1) | NL59460C (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2735936A (en) * | 1956-02-21 | gridley | ||
| US2674661A (en) * | 1948-08-12 | 1954-04-06 | Rca Corp | Electron multiplier device |
| US2675431A (en) * | 1949-08-18 | 1954-04-13 | Nat Union Radio Corp | Transit time compensated multiplier tube |
| US2670738A (en) * | 1952-03-14 | 1954-03-02 | Gibbons Thomas | Ear protector |
| US2819426A (en) * | 1956-04-05 | 1958-01-07 | Rca Corp | Electron discharge device |
| US5990601A (en) * | 1971-02-22 | 1999-11-23 | Itt Manufacturing Enterprises, Inc. | Electron multiplier and methods and apparatus for processing the same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1704155A (en) * | 1923-07-27 | 1929-03-05 | Albert G Thomas | Vacuum tube |
| US2037352A (en) * | 1929-01-12 | 1936-04-14 | Rca Corp | Electronic vacuum tube |
| US2293417A (en) * | 1940-07-27 | 1942-08-18 | Rca Corp | Electron beam tube |
| US2416302A (en) * | 1941-01-07 | 1947-02-25 | Bell Telephone Labor Inc | Electronic apparatus |
| US2393803A (en) * | 1945-01-27 | 1946-01-29 | Rca Corp | Method of making long life secondary electron emitters |
-
0
- BE BE454404D patent/BE454404A/xx unknown
- NL NL59460D patent/NL59460C/xx active
-
1944
- 1944-02-11 DE DEN2419D patent/DE856768C/de not_active Expired
- 1944-02-12 CH CH239640D patent/CH239640A/de unknown
- 1944-02-14 FR FR901951D patent/FR901951A/fr not_active Expired
-
1946
- 1946-04-22 US US663822A patent/US2537923A/en not_active Expired - Lifetime
- 1946-07-23 GB GB21889/46A patent/GB626710A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH239640A (de) | 1945-10-31 |
| FR901951A (fr) | 1945-08-14 |
| US2537923A (en) | 1951-01-09 |
| DE856768C (de) | 1952-11-24 |
| NL59460C (en:Method) | |
| GB626710A (en) | 1949-07-20 |