BE426509A - - Google Patents
Info
- Publication number
- BE426509A BE426509A BE426509DA BE426509A BE 426509 A BE426509 A BE 426509A BE 426509D A BE426509D A BE 426509DA BE 426509 A BE426509 A BE 426509A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/36—Tubes with flat electrodes, e.g. disc electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/48—Electron guns
- H01J29/485—Construction of the gun or of parts thereof
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE494644X | 1937-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE426509A true BE426509A (en:Method) |
Family
ID=6544755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE426509D BE426509A (en:Method) | 1937-02-22 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2195914A (en:Method) |
| BE (1) | BE426509A (en:Method) |
| FR (1) | FR834085A (en:Method) |
| GB (1) | GB494644A (en:Method) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE747206C (de) * | 1939-10-22 | 1944-10-02 | Fernseh Gmbh | Elektrodenanordnung fuer Kathodenstrahlroehren |
| FR958882A (en:Method) * | 1940-05-02 | 1950-03-21 | ||
| FR964837A (en:Method) * | 1942-12-01 | 1950-08-25 | ||
| US2451813A (en) * | 1943-03-30 | 1948-10-19 | Westinghouse Electric Corp | Electron discharge device having an electron beam passage and aligning means therewith for the cathode |
| US2419757A (en) * | 1944-05-31 | 1947-04-29 | Jr Abraham Binneweg | Mounted flat element radio tube |
| US2465370A (en) * | 1944-06-26 | 1949-03-29 | Standard Telephones Cables Ltd | Ultra high frequency electron discharge device |
| NL66519C (en:Method) * | 1944-12-28 | |||
| FR964331A (en:Method) * | 1947-04-09 | 1950-08-10 | ||
| US2570165A (en) * | 1949-08-16 | 1951-10-02 | Rca Corp | Limited-area cathode |
| US3484641A (en) * | 1963-11-18 | 1969-12-16 | Sylvania Electric Prod | Electron gun with expanded insulator posts |
| US3317981A (en) * | 1963-11-18 | 1967-05-09 | Sylvania Electric Prod | Expanding hollow plastic posts on opposite sides of electrode apertures for gripping electrodes |
| US3594601A (en) * | 1970-01-28 | 1971-07-20 | Kentucky Electronics Corp | Holder and mounting means for ceramic crt cathode ring |
| US5202615A (en) * | 1990-08-30 | 1993-04-13 | Samsung Electron Devices Co., Ltd. | Arc suppressing means for cathode ray tube |
| FR2789802B1 (fr) * | 1999-02-11 | 2001-04-20 | Thomson Tubes & Displays | Structure d'electrode pour canon a electrons |
| US9076625B2 (en) * | 2011-04-08 | 2015-07-07 | Varian Semiconductor Equipment Associates, Inc. | Indirectly heated cathode cartridge design |
-
0
- BE BE426509D patent/BE426509A/xx unknown
-
1938
- 1938-02-21 FR FR834085D patent/FR834085A/fr not_active Expired
- 1938-02-22 GB GB5585/38A patent/GB494644A/en not_active Expired
- 1938-02-23 US US192047A patent/US2195914A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB494644A (en) | 1938-10-28 |
| FR834085A (fr) | 1938-11-10 |
| US2195914A (en) | 1940-04-02 |