BE641583A - - Google Patents
Info
- Publication number
- BE641583A BE641583A BE641583A BE641583A BE641583A BE 641583 A BE641583 A BE 641583A BE 641583 A BE641583 A BE 641583A BE 641583 A BE641583 A BE 641583A BE 641583 A BE641583 A BE 641583A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/40—Picture signal circuits
- H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original
-
- 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
- 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)
- Processing Of Color Television Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US246198A US3204027A (en) | 1962-12-20 | 1962-12-20 | Contrast control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE641583A true BE641583A (xx) | 1964-06-22 |
Family
ID=22929676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE641583A BE641583A (xx) | 1962-12-20 | 1963-12-20 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3204027A (xx) |
| BE (1) | BE641583A (xx) |
| CH (1) | CH418406A (xx) |
| DE (1) | DE1278483B (xx) |
| NL (1) | NL302286A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3466390A (en) * | 1964-03-24 | 1969-09-09 | Tokyo Shibaura Electric Co | Protective device for transistor televisions |
| US3724589A (en) * | 1969-05-26 | 1973-04-03 | Schlumberger Technology Corp | Well logging methods and apparatus |
| US3760099A (en) * | 1971-11-01 | 1973-09-18 | Tektronix Inc | Video amplifier for a color television apparatus |
| US3790706A (en) * | 1972-05-25 | 1974-02-05 | Boeing Co | Automatic video contrast control circuit |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB601171A (en) * | 1945-06-30 | 1948-04-29 | Eric Parker | Improvements in or relating to electronic amplifiers |
| US2724738A (en) * | 1949-07-02 | 1955-11-22 | Pye Ltd | Black and white signal limiter |
| GB754611A (en) * | 1953-08-14 | 1956-08-08 | Fernseh Gmbh | Improvements in or relating to television pick-up apparatus |
| US2898457A (en) * | 1954-11-30 | 1959-08-04 | Underwood Corp | Amplifier circuit |
| NL200706A (xx) * | 1955-01-12 | |||
| US2970188A (en) * | 1955-06-29 | 1961-01-31 | Motorola Inc | Television receiver |
| US2911464A (en) * | 1955-11-16 | 1959-11-03 | Muirhead & Co Ltd | Facsimile telegraph systems |
| US2999127A (en) * | 1957-10-14 | 1961-09-05 | Philco Corp | Amplitude selective amplifying system |
| DE1114219B (de) * | 1960-03-12 | 1961-09-28 | Arnstadt Fernmeldewerk | Schaltungsanordnung zur Konstanthaltung der Differenz zwischen Weiss- und Schwarzspannung in fotoelektrisch gesteuerten Faksimilesendern |
-
1962
- 1962-12-20 US US246198A patent/US3204027A/en not_active Expired - Lifetime
-
1963
- 1963-12-12 CH CH1521963A patent/CH418406A/de unknown
- 1963-12-12 DE DEJ24921A patent/DE1278483B/de active Pending
- 1963-12-20 BE BE641583A patent/BE641583A/xx unknown
- 1963-12-20 NL NL302286A patent/NL302286A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL302286A (xx) | 1965-10-11 |
| US3204027A (en) | 1965-08-31 |
| DE1278483B (de) | 1968-09-26 |
| CH418406A (de) | 1966-08-15 |