BE726477A - - Google Patents
Info
- Publication number
- BE726477A BE726477A BE726477DA BE726477A BE 726477 A BE726477 A BE 726477A BE 726477D A BE726477D A BE 726477DA BE 726477 A BE726477 A BE 726477A
- 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
- 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
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/73—Colour balance circuits, e.g. white balance circuits or colour temperature control
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70091268A | 1968-01-26 | 1968-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE726477A true BE726477A (xx) | 1969-07-03 |
Family
ID=24815338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE726477D BE726477A (xx) | 1968-01-26 | 1969-01-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3564137A (xx) |
| BE (1) | BE726477A (xx) |
| DE (1) | DE1903320A1 (xx) |
| FR (1) | FR1602001A (xx) |
| LU (1) | LU57771A1 (xx) |
| NL (1) | NL6900101A (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3735029A (en) * | 1971-04-09 | 1973-05-22 | D Sunstein | Method and apparatus for maintaining the beam current of an image-display device within controlled limits |
| GB1400427A (en) * | 1971-11-08 | 1975-07-16 | Rca Corp | Video signal processing apparatus |
| JPS5630985B2 (xx) * | 1973-10-16 | 1981-07-18 | ||
| US4742397A (en) * | 1986-01-16 | 1988-05-03 | Polaroid Corporation | System and method for adjusting image brightness in electronic printer |
| US5185559A (en) * | 1986-05-20 | 1993-02-09 | Canon Kabushiki Kaisha | Supply circuit for P-N junction cathode |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2800528A (en) * | 1949-06-23 | 1957-07-23 | Du Mont Allen B Lab Inc | Video amplifier bridge circuit for minimizing supply voltage variations |
| US2620406A (en) * | 1951-06-29 | 1952-12-02 | Philco Corp | Direct-coupled amplifier |
| US3465095A (en) * | 1967-04-26 | 1969-09-02 | Motorola Inc | Automatic beam intensity limiter |
-
1968
- 1968-01-26 US US700912*A patent/US3564137A/en not_active Expired - Lifetime
- 1968-12-31 FR FR1602001D patent/FR1602001A/fr not_active Expired
-
1969
- 1969-01-03 BE BE726477D patent/BE726477A/xx unknown
- 1969-01-03 NL NL6900101A patent/NL6900101A/xx unknown
- 1969-01-13 LU LU57771D patent/LU57771A1/xx unknown
- 1969-01-23 DE DE19691903320 patent/DE1903320A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL6900101A (xx) | 1969-07-29 |
| LU57771A1 (xx) | 1969-05-12 |
| FR1602001A (xx) | 1970-09-28 |
| US3564137A (en) | 1971-02-16 |
| DE1903320A1 (de) | 1969-10-23 |