BE544747A - - Google Patents
Info
- Publication number
- BE544747A BE544747A BE544747DA BE544747A BE 544747 A BE544747 A BE 544747A BE 544747D A BE544747D A BE 544747DA BE 544747 A BE544747 A BE 544747A
- 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
- H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimiles In General (AREA)
- Facsimile Transmission Control (AREA)
- Facsimile Scanning Arrangements (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2668/55A GB763820A (en) | 1955-01-28 | 1955-01-28 | Facsimile recorder including an automatic gain control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE544747A true BE544747A (xx) |
Family
ID=9743662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE544747D BE544747A (xx) | 1955-01-28 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2853543A (xx) |
| BE (1) | BE544747A (xx) |
| CH (1) | CH338863A (xx) |
| DE (1) | DE1096402B (xx) |
| FR (1) | FR1140576A (xx) |
| GB (1) | GB763820A (xx) |
| NL (2) | NL104055C (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3619493A (en) * | 1968-12-20 | 1971-11-09 | Graphic Sciences Inc | Automatic gain control for graphic data transmission system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1690300A (en) * | 1925-04-03 | 1928-11-06 | Bell Telephone Labor Inc | Transmission of pictures by electricity |
| US1820335A (en) * | 1926-08-09 | 1931-08-25 | Drahtlose Telegraphie Gmbh | Intensity control |
| DE569789C (de) * | 1927-04-21 | 1933-02-08 | Siemens & Halske Akt Ges | Einrichtung zur selbsttaetigen Regelung des Wirkungsgrades von UEbertragungssystemen |
| US1746729A (en) * | 1927-12-06 | 1930-02-11 | Bell Telephone Labor Inc | Electrooptical system |
| US2506668A (en) * | 1946-10-31 | 1950-05-09 | Rca Corp | Gain control system for facsimile scanning |
| US2545463A (en) * | 1948-01-02 | 1951-03-20 | Faximile Inc | Black and white limiter |
-
0
- BE BE544747D patent/BE544747A/xx unknown
- NL NL203468D patent/NL203468A/xx unknown
- NL NL104055D patent/NL104055C/xx active
-
1955
- 1955-01-28 GB GB2668/55A patent/GB763820A/en not_active Expired
- 1955-12-31 CH CH338863D patent/CH338863A/de unknown
-
1956
- 1956-01-23 US US560836A patent/US2853543A/en not_active Expired - Lifetime
- 1956-01-25 FR FR1140576D patent/FR1140576A/fr not_active Expired
- 1956-01-26 DE DEC12475A patent/DE1096402B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US2853543A (en) | 1958-09-23 |
| GB763820A (en) | 1956-12-19 |
| FR1140576A (fr) | 1957-07-29 |
| DE1096402B (de) | 1961-01-05 |
| NL203468A (xx) | |
| NL104055C (xx) | |
| CH338863A (de) | 1959-06-15 |