BE440540A - - Google Patents
Info
- Publication number
- BE440540A BE440540A BE440540DA BE440540A BE 440540 A BE440540 A BE 440540A BE 440540D A BE440540D A BE 440540DA BE 440540 A BE440540 A BE 440540A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
-
- 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
- H01J43/025—Circuits therefor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
- H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL649786X | 1939-10-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE440540A true BE440540A (it) | 1941-03-31 |
Family
ID=19792024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440540D BE440540A (it) | 1939-10-10 | 1941-02-11 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2273546A (it) |
| BE (1) | BE440540A (it) |
| FR (1) | FR873963A (it) |
| GB (1) | GB649786A (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE464095A (it) * | 1944-03-25 | |||
| US2615138A (en) * | 1948-10-30 | 1952-10-21 | Rca Corp | Beam type electron tube |
| US2675431A (en) * | 1949-08-18 | 1954-04-13 | Nat Union Radio Corp | Transit time compensated multiplier tube |
| US2762916A (en) * | 1950-07-13 | 1956-09-11 | Hartford Nat Bank & Trust Co | Device comprising an electric discharge tube having a concentrated electron beam |
| BE507380A (it) * | 1950-11-27 | |||
| US2975316A (en) * | 1958-01-17 | 1961-03-14 | Rca Corp | Beam deflection type electron discharge device |
-
1940
- 1940-06-25 US US342263A patent/US2273546A/en not_active Expired - Lifetime
-
1941
- 1941-02-11 BE BE440540D patent/BE440540A/xx unknown
- 1941-07-07 FR FR873963D patent/FR873963A/fr not_active Expired
-
1947
- 1947-12-31 GB GB35181/47A patent/GB649786A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB649786A (en) | 1951-01-31 |
| FR873963A (fr) | 1942-07-24 |
| US2273546A (en) | 1942-02-17 |