NL296478A - - Google Patents
Info
- Publication number
- NL296478A NL296478A NL296478A NL296478A NL296478A NL 296478 A NL296478 A NL 296478A NL 296478 A NL296478 A NL 296478A NL 296478 A NL296478 A NL 296478A NL 296478 A NL296478 A NL 296478A
- Authority
- NL
- Netherlands
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
- H04N5/59—Control of contrast or brightness in dependence upon beam current of cathode ray tube
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/16—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level
- H04N5/165—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US21596862A | 1962-08-09 | 1962-08-09 | |
| US215964A US3249694A (en) | 1962-08-09 | 1962-08-09 | Black level stabilization system for a television receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL296478A true NL296478A (de) | 1965-05-10 |
Family
ID=26910525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL296478A NL296478A (de) | 1962-08-09 | 1963-08-09 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3249694A (de) |
| CH (1) | CH411986A (de) |
| GB (2) | GB1008010A (de) |
| NL (1) | NL296478A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3637921A (en) * | 1970-01-09 | 1972-01-25 | Zenith Radio Corp | Luminance amplifier with black level stabilization control |
| DE4008946C1 (en) * | 1990-03-20 | 1991-06-20 | Siemens Nixdorf Informationssysteme Ag, 4790 Paderborn, De | Control circuit for monochrome picture tube - changes positive polarity reference potential with amplification of picture signal amplifier |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2832824A (en) * | 1955-07-01 | 1958-04-29 | Rca Corp | Overload protection circuits |
| US2862052A (en) * | 1955-07-25 | 1958-11-25 | Rca Corp | Overload protection circuits |
| US3028509A (en) * | 1959-06-02 | 1962-04-03 | Sperry Rand Corp | Transistorized wave shape converter |
-
1962
- 1962-08-09 US US215964A patent/US3249694A/en not_active Expired - Lifetime
-
1963
- 1963-07-16 CH CH886463A patent/CH411986A/de unknown
- 1963-07-26 GB GB29796/63A patent/GB1008010A/en not_active Expired
- 1963-07-26 GB GB29797/63A patent/GB1006123A/en not_active Expired
- 1963-08-09 NL NL296478A patent/NL296478A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1008010A (en) | 1965-10-22 |
| US3249694A (en) | 1966-05-03 |
| CH411986A (de) | 1966-04-30 |
| GB1006123A (en) | 1965-09-29 |