BE510278A - - Google Patents
Info
- Publication number
- BE510278A BE510278A BE510278DA BE510278A BE 510278 A BE510278 A BE 510278A BE 510278D A BE510278D A BE 510278DA BE 510278 A BE510278 A BE 510278A
- 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
- H04N5/57—Control of contrast or brightness
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/08—Separation of synchronising signals from picture signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US218310A US2853549A (en) | 1951-03-30 | 1951-03-30 | High level contrast control for video amplifiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE510278A true BE510278A (de) |
Family
ID=22814585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE510278D BE510278A (de) | 1951-03-30 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2853549A (de) |
| BE (1) | BE510278A (de) |
| CH (1) | CH302764A (de) |
| ES (1) | ES202295A1 (de) |
| FR (1) | FR1054398A (de) |
| GB (1) | GB705883A (de) |
| NL (1) | NL168490B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3240874A (en) * | 1962-06-27 | 1966-03-15 | Warwick Electronics Inc | Contrast control for a video amplifier including a spaced apart variable impedance device |
| DE1277309B (de) * | 1964-07-01 | 1968-09-12 | Telefunken Patent | Schaltungsanordnung zur Einstellung des Kontrastes in einem Fernsehempfaenger |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2236066A (en) * | 1935-05-31 | 1941-03-25 | Rca Corp | Television apparatus |
| US2234830A (en) * | 1938-05-28 | 1941-03-11 | Rca Corp | Cathode ray modulator |
| CH246035A (de) * | 1943-02-11 | 1946-12-15 | Magyar Wolframlampagyar Kremen | Mit einem Kristalltonabnehmer in Verbindung stehender Tonstärkeregler. |
| US2448771A (en) * | 1943-09-23 | 1948-09-07 | Du Mont Allen B Lab Inc | Cathode-ray oscillograph circuit |
| US2552022A (en) * | 1945-06-08 | 1951-05-08 | Nat Res Dev | Expanded sweep and calibrated marker for cathode-ray tube trace |
| US2656413A (en) * | 1947-07-31 | 1953-10-20 | Emi Ltd | Television receiver |
| US2505367A (en) * | 1948-05-21 | 1950-04-25 | Rca Corp | Television receiver brightness and contrast control |
| US2540646A (en) * | 1948-06-09 | 1951-02-06 | Scophony Ltd | Cathode-ray tube modulation circuits for television receivers |
| US2584332A (en) * | 1949-08-19 | 1952-02-05 | Motorola Inc | Video amplifier having variable gain and variable band width |
| US2718551A (en) * | 1950-03-28 | 1955-09-20 | Zenith Radio Corp | Frequency-compensated video amplifier output circuit with constant synchronizing signal output |
-
0
- NL NL7507985.A patent/NL168490B/xx unknown
- BE BE510278D patent/BE510278A/xx unknown
-
1951
- 1951-03-30 US US218310A patent/US2853549A/en not_active Expired - Lifetime
-
1952
- 1952-02-11 FR FR1054398D patent/FR1054398A/fr not_active Expired
- 1952-03-04 ES ES0202295A patent/ES202295A1/es not_active Expired
- 1952-03-20 GB GB7225/52A patent/GB705883A/en not_active Expired
- 1952-03-29 CH CH302764D patent/CH302764A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH302764A (de) | 1954-10-31 |
| GB705883A (en) | 1954-03-17 |
| NL168490B (nl) | |
| FR1054398A (fr) | 1954-02-10 |
| ES202295A1 (es) | 1952-04-01 |
| US2853549A (en) | 1958-09-23 |