SE374246B - - Google Patents
Info
- Publication number
- SE374246B SE374246B SE6917637A SE1763769A SE374246B SE 374246 B SE374246 B SE 374246B SE 6917637 A SE6917637 A SE 6917637A SE 1763769 A SE1763769 A SE 1763769A SE 374246 B SE374246 B SE 374246B
- Authority
- SE
- Sweden
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
- H04N1/4076—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on references outside the picture
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US78549568A | 1968-12-20 | 1968-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE374246B true SE374246B (de) | 1975-02-24 |
Family
ID=25135692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE6917637A SE374246B (de) | 1968-12-20 | 1969-12-19 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3619493A (de) |
| DE (1) | DE1961656C3 (de) |
| FR (1) | FR2026744B1 (de) |
| GB (1) | GB1287801A (de) |
| NL (1) | NL163693C (de) |
| SE (1) | SE374246B (de) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1958874C3 (de) * | 1969-11-24 | 1983-11-10 | Fritz Bauer + Söhne oHG, 8503 Altdorf | Höhenverstellbare Stuhlsäule |
| US3761610A (en) * | 1971-02-16 | 1973-09-25 | Graphics Sciences Inc | High speed fascimile systems |
| US3845242A (en) * | 1972-11-21 | 1974-10-29 | Minnesota Mining & Mfg | Video signal processing system for facsimile transmission |
| DE2445543A1 (de) * | 1974-09-24 | 1976-04-01 | Agfa Gevaert Ag | Verfahren und vorrichtung zur herstellung von kopien |
| US4001500A (en) * | 1974-11-21 | 1977-01-04 | Xerox Corporation | Amplifier for use in a document scanning system |
| US3976833A (en) * | 1974-11-21 | 1976-08-24 | Xerox Corporation | Amplifier back-ground control apparatus for use in a document scanning system |
| US4015077A (en) * | 1975-08-21 | 1977-03-29 | Exxon Research And Engineering Company | Facsimile transmitter having improved response |
| US4623934A (en) | 1983-11-16 | 1986-11-18 | Rockwell International Corporation | AGC update apparatus and method of using same |
| DE3420528A1 (de) * | 1984-06-01 | 1985-12-05 | Stabilus Gmbh, 5400 Koblenz | Stufenlos verstellbare hubvorrichtung |
| DE8813003U1 (de) * | 1988-10-15 | 1990-02-15 | Wini Bueromoebel Georg Schmidt Gmbh & Co. Kg, 3256 Coppenbruegge, De | |
| US5424537A (en) * | 1990-08-13 | 1995-06-13 | Howtek, Inc. | Calibrated color scanner |
| DE4227553A1 (de) * | 1992-08-20 | 1994-02-24 | Stabilus Gmbh | Höhenverstellbare Stützvorrichtung, insbesondere für die Sitzfläche eines Stuhles |
| US5519441A (en) * | 1993-07-01 | 1996-05-21 | Xerox Corporation | Apparatus and method for correcting offset and gain drift present during communication of data |
| DE10006884C2 (de) | 2000-02-16 | 2002-01-31 | Stabilus Gmbh | Längenverstellbare Säule und Montageverfahren für eine derartige längenverstellbare Säule |
| EP1186375A3 (de) * | 2000-09-04 | 2002-11-27 | Demag Cranes & Components GmbH | Greifer mit vier radial nach aussen bewegbaren Greifbacken |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB396811A (en) * | 1931-02-28 | 1933-08-14 | Lorenz C Ag | Improvements in or relating to picture transmission systems |
| US2443434A (en) * | 1944-05-23 | 1948-06-15 | Press Wireless Inc | Automatic signal bias control means and apparatus |
| US2804494A (en) * | 1953-04-08 | 1957-08-27 | Charles F Fenton | High frequency transmission cable |
| NL104055C (de) * | 1955-01-28 | |||
| DE1114219B (de) * | 1960-03-12 | 1961-09-28 | Arnstadt Fernmeldewerk | Schaltungsanordnung zur Konstanthaltung der Differenz zwischen Weiss- und Schwarzspannung in fotoelektrisch gesteuerten Faksimilesendern |
| US3427496A (en) * | 1965-07-01 | 1969-02-11 | Gen Electric | High voltage and width stabilization |
| US3515803A (en) * | 1967-06-28 | 1970-06-02 | Magnavox Co | Contrast range control |
-
1968
- 1968-12-20 US US785495A patent/US3619493A/en not_active Expired - Lifetime
-
1969
- 1969-12-02 GB GB58870/69A patent/GB1287801A/en not_active Expired
- 1969-12-09 DE DE1961656A patent/DE1961656C3/de not_active Expired
- 1969-12-19 NL NL6919127.A patent/NL163693C/xx not_active IP Right Cessation
- 1969-12-19 FR FR6944281A patent/FR2026744B1/fr not_active Expired
- 1969-12-19 SE SE6917637A patent/SE374246B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2026744B1 (de) | 1974-03-15 |
| DE1961656A1 (de) | 1970-07-09 |
| NL163693B (nl) | 1980-04-15 |
| NL6919127A (de) | 1970-06-23 |
| FR2026744A1 (de) | 1970-09-18 |
| DE1961656C3 (de) | 1983-12-01 |
| GB1287801A (en) | 1972-09-06 |
| NL163693C (nl) | 1980-09-15 |
| US3619493A (en) | 1971-11-09 |
| DE1961656B2 (de) | 1978-08-24 |