BE499549A - - Google Patents
Info
- Publication number
- BE499549A BE499549A BE499549DA BE499549A BE 499549 A BE499549 A BE 499549A BE 499549D A BE499549D A BE 499549DA BE 499549 A BE499549 A BE 499549A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/32—Fiducial marks and measuring scales within the optical system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2231/00—Cathode ray tubes or electron beam tubes
- H01J2231/50—Imaging and conversion tubes
- H01J2231/50005—Imaging and conversion tubes characterised by form of illumination
- H01J2231/5001—Photons
- H01J2231/50015—Light
- H01J2231/50026—Infrared
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL285928X | 1949-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE499549A true BE499549A (fr) |
Family
ID=19782511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE499549D BE499549A (fr) | 1949-11-25 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2613330A (fr) |
| BE (1) | BE499549A (fr) |
| CH (1) | CH285928A (fr) |
| DE (1) | DE832646C (fr) |
| FR (1) | FR1028305A (fr) |
| GB (1) | GB672004A (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL77916C (fr) * | 1950-10-30 | |||
| US2774909A (en) * | 1951-08-09 | 1956-12-18 | Hartford Nat Bank & Trust Co | Television pick-up tube comprising electrostatic electron-optical means |
| NL81053C (fr) * | 1951-09-26 | |||
| DE924252C (de) * | 1953-04-20 | 1955-03-14 | Licentia Gmbh | Blindlandeverfahren bei befeuerten Anfluglinien und Startbahnen |
| US2794140A (en) * | 1953-11-20 | 1957-05-28 | Rca Corp | Phototubes |
| US2878406A (en) * | 1954-07-23 | 1959-03-17 | Bergson Gustav | Photoelectric tube |
| US2922048A (en) * | 1958-08-14 | 1960-01-19 | Neel W Glass | High current coaxial photomultiplier tube |
| US3588570A (en) * | 1968-04-29 | 1971-06-28 | Westinghouse Electric Corp | Masked photocathode structure with a masked,patterned layer of titanium oxide |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB499869A (en) * | 1937-06-26 | 1939-01-26 | Hans Gerhard Lubszynski | Improvements in or relating to electron discharge devices |
-
0
- BE BE499549D patent/BE499549A/xx unknown
-
1950
- 1950-11-04 US US194074A patent/US2613330A/en not_active Expired - Lifetime
- 1950-11-22 DE DEN3143A patent/DE832646C/de not_active Expired
- 1950-11-22 GB GB28548/50A patent/GB672004A/en not_active Expired
- 1950-11-23 FR FR1028305D patent/FR1028305A/fr not_active Expired
- 1950-11-23 CH CH285928D patent/CH285928A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH285928A (de) | 1952-09-30 |
| DE832646C (de) | 1952-02-28 |
| GB672004A (en) | 1952-05-14 |
| US2613330A (en) | 1952-10-07 |
| FR1028305A (fr) | 1953-05-21 |