NL137523C - - Google Patents
Info
- Publication number
- NL137523C NL137523C NL137523DA NL137523C NL 137523 C NL137523 C NL 137523C NL 137523D A NL137523D A NL 137523DA NL 137523 C NL137523 C NL 137523C
- Authority
- NL
- Netherlands
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
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/58—Edge or detail enhancement; Noise or error suppression, e.g. colour misregistration correction
-
- 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
- H04N1/409—Edge or detail enhancement; Noise or error suppression
- H04N1/4092—Edge or detail enhancement
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Color Image Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US125607A US3194883A (en) | 1961-05-16 | 1961-05-16 | Facsimile system with local contrast control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL137523C true NL137523C (https=) |
Family
ID=22420554
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL278514D NL278514A (https=) | 1961-05-16 | ||
| NL137523D NL137523C (https=) | 1961-05-16 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL278514D NL278514A (https=) | 1961-05-16 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3194883A (https=) |
| CH (1) | CH419226A (https=) |
| DE (1) | DE1268182B (https=) |
| GB (1) | GB986531A (https=) |
| NL (2) | NL137523C (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3275741A (en) * | 1963-05-15 | 1966-09-27 | Time Inc | Knockout mask detector in scanner apparatus |
| US3557303A (en) * | 1967-12-22 | 1971-01-19 | Printing Dev Inc | Cathode ray tube scanning systems with spot and area scanning |
| GB1422341A (https=) * | 1972-04-27 | 1976-01-28 | ||
| GB1447973A (en) * | 1972-11-13 | 1976-09-02 | Crosfield Electronics Ltd | Image reproduction method and apparatus |
| DE2555293C3 (de) * | 1975-12-09 | 1981-02-12 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Verfahren und Schaltungsanordnung zum Einstellen des Schwarzpegels |
| JPS568140A (en) * | 1979-07-02 | 1981-01-27 | Dainippon Screen Mfg Co Ltd | Emphasizing method of sharpness in image scanning and recording apparatus |
| JPS62133864A (ja) * | 1985-12-05 | 1987-06-17 | Minolta Camera Co Ltd | カラ−画像再現用原稿の作成装置及び方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2801279A (en) * | 1950-10-27 | 1957-07-30 | Eastman Kodak Co | Electro-optical system for producing outline pictures from continuous tone originals |
| US2721892A (en) * | 1951-06-27 | 1955-10-25 | Eastman Kodak Co | Variable electrooptical color correction |
| US2865984A (en) * | 1953-09-03 | 1958-12-23 | Time Inc | Edge correcting system for visual image transference apparatus |
| US2932691A (en) * | 1955-06-14 | 1960-04-12 | Time Inc | Circuit for altering intelligence to carrier signal ratio |
| NL256633A (https=) * | 1959-10-09 |
-
0
- NL NL278514D patent/NL278514A/xx unknown
- NL NL137523D patent/NL137523C/xx active
-
1961
- 1961-05-16 US US125607A patent/US3194883A/en not_active Expired - Lifetime
-
1962
- 1962-05-15 GB GB18666/62A patent/GB986531A/en not_active Expired
- 1962-05-15 DE DEP1268A patent/DE1268182B/de active Granted
- 1962-05-15 CH CH586862A patent/CH419226A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB986531A (en) | 1965-03-17 |
| NL278514A (https=) | |
| DE1268182B (de) | 1968-05-16 |
| CH419226A (de) | 1966-08-31 |
| US3194883A (en) | 1965-07-13 |
| DE1268182C2 (https=) | 1973-07-12 |