NL250892A - - Google Patents
Info
- Publication number
- NL250892A NL250892A NL250892DA NL250892A NL 250892 A NL250892 A NL 250892A NL 250892D A NL250892D A NL 250892DA NL 250892 A NL250892 A NL 250892A
- 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
- H04N1/60—Colour correction or control
- H04N1/6016—Conversion to subtractive colour signals
- H04N1/6022—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking
-
- 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
- H04N1/60—Colour correction or control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Color, Gradation (AREA)
- Fax Reproducing Arrangements (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US809817A US3100815A (en) | 1959-04-29 | 1959-04-29 | Apparatus for producing color separation negatives and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL250892A true NL250892A (pm) |
Family
ID=25202286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL250892D NL250892A (pm) | 1959-04-29 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3100815A (pm) |
| DE (1) | DE1212411B (pm) |
| GB (1) | GB947391A (pm) |
| NL (1) | NL250892A (pm) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3432243A (en) * | 1963-10-10 | 1969-03-11 | George K C Hardesty | Ratio spectroradiometer |
| GB1096376A (en) * | 1965-09-20 | 1967-12-29 | Derek John Kyte | Improvements in or relating to photographic reproduction |
| US3622690A (en) * | 1968-09-26 | 1971-11-23 | Rca Corp | Electronic scanner utilizing a laser for the simultaneous scanning and reproducing of images |
| GB1315970A (en) * | 1970-02-24 | 1973-05-09 | Ipc Services Ltd | Colour facsimile transmission system |
| US3778541A (en) * | 1971-09-03 | 1973-12-11 | Itek Corp | System for analyzing multicolored scenes |
| JPS56126835A (en) * | 1980-03-10 | 1981-10-05 | Dainippon Printing Co Ltd | Flying spot scanner for printing color simulator |
| US4853768A (en) * | 1985-12-26 | 1989-08-01 | Canon Kabushiki Kaisha | Color image processing apparatus with linear masking circuit having coefficients which vary in accordance with the levels of color component signals |
| WO2014063278A1 (en) * | 2012-10-22 | 2014-05-01 | Nokia Corporation | Classifying image samples |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR803838A (fr) * | 1935-04-01 | 1936-10-09 | Telefunken Gmbh | Perfectionnements aux modes de montage pour lampes amplificatrices |
| US2250730A (en) * | 1937-09-11 | 1941-07-29 | Western Union Telegraph Co | Electrical reproducing apparatus |
| US2413706A (en) * | 1942-01-09 | 1947-01-07 | Norman R Gunderson | Apparatus for reproduction of pictorial representations |
| US2434561A (en) * | 1944-07-08 | 1948-01-13 | Interchem Corp | Color facsimile |
| US2417023A (en) * | 1944-09-15 | 1947-03-04 | Gen Aniline & Film Corp | Photoelectric electron multiplier tube photometer circuits |
| FR964117A (pm) * | 1948-03-12 | 1950-08-07 | ||
| US2737547A (en) * | 1952-10-01 | 1956-03-06 | Hughes Aircraft Co | Cathode follower circuits |
| DE1072479B (pm) * | 1953-08-25 | 1959-12-31 | ||
| US2757571A (en) * | 1953-09-15 | 1956-08-07 | Hazeltine Research Inc | Photographic color printer |
| US2900524A (en) * | 1953-10-22 | 1959-08-18 | Gen Controls Co | System for deriving average intensity of flame and comparing instantaneous intensity therewith incorporating automatic gain control |
| US2841718A (en) * | 1954-11-01 | 1958-07-01 | Mandrel Industries | Compensation for two point regulated amplifier |
| US2841719A (en) * | 1955-01-26 | 1958-07-01 | Itt | Diode gate and its control circuit |
| US2852977A (en) * | 1955-07-19 | 1958-09-23 | Douthitt Corp | Color copy camera construction |
| US2854635A (en) * | 1956-06-21 | 1958-09-30 | Gen Precision Lab Inc | Video modulator |
| US2866103A (en) * | 1956-08-22 | 1958-12-23 | Bell Telephone Labor Inc | Diode gate and sampling circuit |
-
0
- NL NL250892D patent/NL250892A/xx unknown
-
1959
- 1959-04-29 US US809817A patent/US3100815A/en not_active Expired - Lifetime
-
1960
- 1960-04-21 GB GB14018/60A patent/GB947391A/en not_active Expired
- 1960-04-29 DE DEN18259A patent/DE1212411B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3100815A (en) | 1963-08-13 |
| DE1212411B (de) | 1966-03-10 |
| GB947391A (en) | 1964-01-22 |