NL65998C - - Google Patents
Info
- Publication number
- NL65998C NL65998C NL65998DA NL65998C NL 65998 C NL65998 C NL 65998C NL 65998D A NL65998D A NL 65998DA NL 65998 C NL65998 C NL 65998C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- H04N5/20—Circuitry for controlling amplitude response
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/02—Volume compression or expansion in amplifiers having discharge tubes
- H03G7/04—Volume compression or expansion in amplifiers having discharge tubes incorporating negative feedback
-
- 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
- H04N5/20—Circuitry for controlling amplitude response
- H04N5/202—Gamma control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US227629A US2247512A (en) | 1938-08-31 | 1938-08-31 | Television video-frequency signaltranslating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL65998C true NL65998C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=22853842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL65998D NL65998C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1938-08-31 |
Country Status (4)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2594870A (en) * | 1945-11-29 | 1952-04-29 | Us Navy | Indicator |
| US2552588A (en) * | 1947-04-26 | 1951-05-15 | Columbia Broadeasting System I | Gamma control circuit |
| US2692299A (en) * | 1948-12-11 | 1954-10-19 | Westinghouse Electric Corp | Image contrast intensifier |
| US2668188A (en) * | 1949-12-19 | 1954-02-02 | Rubert S Naslund | Television gamma test method and apparatus |
| DE956587C (de) * | 1953-06-26 | 1957-01-24 | Fernseh Gmbh | Anordnung zur Gradationsentzerrung bei Fernsehsendeanlagen |
| DE1011784B (de) * | 1954-12-08 | 1957-07-04 | Eisenwerke Muelheim Meiderich | Verfahren zum Beobachten, UEberwachen und Regeln der Schmelzvorgaenge in metallurgischen Schmelz- oder Sinteroefen |
| DE1088534B (de) * | 1956-10-20 | 1960-09-08 | Grundig Max | Gradationsregler fuer Fernsehempfaenger |
-
0
- NL NL65998D patent/NL65998C/xx active
-
1938
- 1938-08-31 US US227629A patent/US2247512A/en not_active Expired - Lifetime
-
1939
- 1939-08-08 GB GB22870/39A patent/GB535413A/en not_active Expired
- 1939-08-31 FR FR859813D patent/FR859813A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2247512A (en) | 1941-07-01 |
| GB535413A (en) | 1941-04-09 |
| FR859813A (fr) | 1940-12-30 |