NL240746A - - Google Patents
Info
- Publication number
- NL240746A NL240746A NL240746DA NL240746A NL 240746 A NL240746 A NL 240746A NL 240746D A NL240746D A NL 240746DA NL 240746 A NL240746 A NL 240746A
- 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
- H04N5/58—Control of contrast or brightness in dependence upon ambient light
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1227937X | 1958-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL240746A true NL240746A (2) |
Family
ID=7734698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL240746D NL240746A (2) | 1958-07-01 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1073535B (2) |
| FR (1) | FR1227937A (2) |
| NL (1) | NL240746A (2) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1189123B (de) * | 1960-06-13 | 1965-03-18 | Telefunken Patent | Schaltungsanordnung zur automatischen Kontrastregelung in Fernsehgeraeten mit Hilfe eines Fotowiderstandes |
| DE1249325B (de) * | 1960-12-30 | 1967-09-07 | Radio Corporation Of America, New York, N. Y. (V. St. A.) | Schaltungsanordnung :ur raumlichtabhängigen Steuerung des Contrastes und der Helligkeit in einem ernsehempfänger |
| US3147341A (en) * | 1961-04-24 | 1964-09-01 | Gen Electric | Automatic brightness-contrast control using photoresistive element to control brightness and agc voltages in response to ambinent light |
| US3164673A (en) * | 1961-12-05 | 1965-01-05 | Gen Electric | Automatic brightness and contrast control circuit |
-
0
- NL NL240746D patent/NL240746A/xx unknown
- DE DENDAT1073535D patent/DE1073535B/de active Pending
-
1959
- 1959-06-24 FR FR798372A patent/FR1227937A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1227937A (fr) | 1960-08-24 |
| DE1073535B (de) | 1960-01-21 |