BE486327A - - Google Patents
Info
- Publication number
- BE486327A BE486327A BE486327DA BE486327A BE 486327 A BE486327 A BE 486327A BE 486327D A BE486327D A BE 486327DA BE 486327 A BE486327 A BE 486327A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/023—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof secondary-electron emitting electrode arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/26—Image pick-up tubes having an input of visible light and electric output
- H01J31/28—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen
- H01J31/34—Image pick-up tubes having an input of visible light and electric output with electron ray scanning the image screen having regulation of screen potential at cathode potential, e.g. orthicon
- H01J31/36—Tubes with image amplification section, e.g. image-orthicon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
- H01J43/06—Electrode arrangements
- H01J43/08—Cathode arrangements
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US792797A US2498082A (en) | 1947-12-19 | 1947-12-19 | Gun structure for cathode-ray tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE486327A true BE486327A (en) | 1948-12-31 |
Family
ID=25158098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE486327D BE486327A (en) | 1947-12-19 | 1948-12-15 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2498082A (en) |
| BE (1) | BE486327A (en) |
| DE (1) | DE838472C (en) |
| FR (1) | FR975875A (en) |
| GB (1) | GB662757A (en) |
| NL (2) | NL83421C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2777970A (en) * | 1950-10-03 | 1957-01-15 | Paul K Weimer | Television camera storage tube |
| US2942132A (en) * | 1957-10-02 | 1960-06-21 | Rca Corp | Electron multiplier |
| US3716738A (en) * | 1971-04-26 | 1973-02-13 | Itt | Television camera tube having channel multiplier surrounding electron gun |
| FR2546663B1 (en) * | 1983-05-25 | 1985-07-12 | Hyperelec | PHOTOMULTIPLIER TUBE WITH A DYNODE INSENSITIVE TO HIGH MAGNETIC FIELDS |
| US8255835B2 (en) | 2004-02-24 | 2012-08-28 | Research In Motion Limited | Method and system for managing unread electronic messages |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1559460A (en) * | 1920-06-30 | 1925-10-27 | Ruben Samuel | Electron tube |
| US2204503A (en) * | 1937-02-20 | 1940-06-11 | Firm Of Fernseh Ag | Electron multiplier |
| US2424850A (en) * | 1944-04-07 | 1947-07-29 | Farnsworth Television & Radio | Photoelectron multiplier |
-
0
- NL NL666616352A patent/NL143880B/en unknown
-
1947
- 1947-12-19 US US792797A patent/US2498082A/en not_active Expired - Lifetime
-
1948
- 1948-12-06 FR FR975875D patent/FR975875A/en not_active Expired
- 1948-12-15 BE BE486327D patent/BE486327A/xx unknown
- 1948-12-15 GB GB32476/48A patent/GB662757A/en not_active Expired
- 1948-12-16 NL NL143880A patent/NL83421C/xx active
-
1950
- 1950-04-26 DE DER1585A patent/DE838472C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL143880B (en) | |
| FR975875A (en) | 1951-03-12 |
| NL83421C (en) | 1956-07-16 |
| DE838472C (en) | 1952-05-08 |
| US2498082A (en) | 1950-02-21 |
| GB662757A (en) | 1951-12-12 |