NL80731C - - Google Patents
Info
- Publication number
- NL80731C NL80731C NL80731DA NL80731C NL 80731 C NL80731 C NL 80731C NL 80731D A NL80731D A NL 80731DA NL 80731 C NL80731 C NL 80731C
- 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
- H04N5/52—Automatic gain control
- H04N5/53—Keyed automatic gain control
-
- 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)
- Television Receiver Circuits (AREA)
- Processing Of Color Television Signals (AREA)
- Picture Signal Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL724941X | 1952-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL80731C true NL80731C (it) |
Family
ID=19817768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL80731D NL80731C (it) | 1952-02-21 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2820093A (it) |
| BE (1) | BE517826A (it) |
| DE (1) | DE976227C (it) |
| FR (1) | FR1071370A (it) |
| GB (1) | GB724941A (it) |
| NL (1) | NL80731C (it) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2896013A (en) * | 1953-08-05 | 1959-07-21 | Motorola Inc | Color television receiver |
| BE554501A (it) * | 1956-01-27 | |||
| US3037071A (en) * | 1956-11-01 | 1962-05-29 | Rca Corp | Autoamtic chroma control of video amplifier with effect limited to chroma components |
| DE1189122B (de) * | 1957-06-25 | 1965-03-18 | Telefunken Patent | Schaltungsanordnung zur Helligkeitsautomatik in einem Fernsehempfaenger |
| DE1090261B (de) * | 1957-06-27 | 1960-10-06 | Telefunken Gmbh | Fernsehempfaenger mit kombinierter Kontrast- und Helligkeitsregelung |
| DE1043387B (de) * | 1957-07-23 | 1958-11-13 | Telefunken Gmbh | Schaltungsanordnugn fuer Fernsehempfaenger zur Konstanthaltung des Schwarzpegels |
| DE1277308B (de) * | 1958-04-18 | 1968-09-12 | Philips Patentverwaltung | Schaltungsanordnung in einem Fernsehempfaenger mit einer Einrichtung zur Erzeugung einer selbsttaetigen Verstaerkungsregelspannung |
| NL6504351A (it) * | 1965-04-06 | 1966-10-07 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2241553A (en) * | 1941-05-13 | Television system | ||
| US2200055A (en) * | 1938-02-23 | 1940-05-07 | Rca Corp | High impedance attenuator |
| US2192189A (en) * | 1938-03-12 | 1940-03-05 | Philip M Haffcke | Static limitation in radio receivers |
| BE431036A (it) * | 1938-07-22 | |||
| NL70278C (it) * | 1939-05-31 | |||
| DE929973C (de) * | 1939-05-31 | 1955-07-07 | Hazeltine Corp | Fernsehempfangseinrichtung |
| US2548436A (en) * | 1946-01-25 | 1951-04-10 | Hazeltine Corp | Television receiver background control circuit |
| NL77693C (it) * | 1948-05-21 | |||
| US2593011A (en) * | 1948-07-17 | 1952-04-15 | Zenith Radio Corp | Keyed automatic gain control |
-
0
- NL NL80731D patent/NL80731C/xx active
- BE BE517826D patent/BE517826A/xx unknown
-
1953
- 1953-02-18 US US337614A patent/US2820093A/en not_active Expired - Lifetime
- 1953-02-18 GB GB4541/53A patent/GB724941A/en not_active Expired
- 1953-02-19 DE DEN6768A patent/DE976227C/de not_active Expired
- 1953-02-20 FR FR1071370D patent/FR1071370A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE976227C (de) | 1963-05-16 |
| GB724941A (en) | 1955-02-23 |
| US2820093A (en) | 1958-01-14 |
| BE517826A (it) | |
| FR1071370A (fr) | 1954-08-31 |