BE602105A - Method and apparatus for reproducing continuous tone images - Google Patents
Method and apparatus for reproducing continuous tone imagesInfo
- Publication number
- BE602105A BE602105A BE602105A BE602105A BE602105A BE 602105 A BE602105 A BE 602105A BE 602105 A BE602105 A BE 602105A BE 602105 A BE602105 A BE 602105A BE 602105 A BE602105 A BE 602105A
- Authority
- BE
- Belgium
- Prior art keywords
- continuous tone
- tone images
- reproducing continuous
- reproducing
- images
- Prior art date
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
-
- 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
- H04N1/024—Details of scanning heads ; Means for illuminating the original
- H04N1/032—Details of scanning heads ; Means for illuminating the original for picture information reproduction
- H04N1/036—Details of scanning heads ; Means for illuminating the original for picture information reproduction for optical reproduction
-
- 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
- H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
- H04N1/4051—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a dispersed dots halftone pattern, the dots having substantially the same size
-
- 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
- H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
- H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR823140A FR1300718A (en) | 1960-04-01 | 1960-04-01 | Method and apparatus for reproducing continuous tone images |
Publications (1)
Publication Number | Publication Date |
---|---|
BE602105A true BE602105A (en) | 1961-10-02 |
Family
ID=8728442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE602105A BE602105A (en) | 1960-04-01 | 1961-03-31 | Method and apparatus for reproducing continuous tone images |
Country Status (6)
Country | Link |
---|---|
US (1) | US3197558A (en) |
BE (1) | BE602105A (en) |
CH (1) | CH391467A (en) |
FR (1) | FR1300718A (en) |
LU (1) | LU39915A1 (en) |
NL (1) | NL263106A (en) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3294896A (en) * | 1963-07-24 | 1966-12-27 | Bell Telephone Labor Inc | Digital encoder for facsimile transmission |
US3277335A (en) * | 1963-07-31 | 1966-10-04 | Paul M Moser | Display system using variable frequency, constant amplitude, constant width pulses applied to a cathode ray tube |
US3393269A (en) * | 1964-04-22 | 1968-07-16 | Zeuthen & Aagaard As | Method and apparatus for producing a laminar printing forme |
US3564130A (en) * | 1966-03-21 | 1971-02-16 | Rca Corp | Electronic photocopy system |
GB1204542A (en) * | 1967-02-20 | 1970-09-09 | Rca Corp | Improved printing process |
US3646262A (en) * | 1968-03-25 | 1972-02-29 | Printing Dev Inc | Electronic reproduction of continuous image with controlled modification of image reproduction |
US3580995A (en) * | 1968-04-29 | 1971-05-25 | Rca Corp | Constant sized halftone dot image generator |
US3465199A (en) * | 1968-11-26 | 1969-09-02 | Rca Corp | Electronic halftone image generator |
US3668311A (en) * | 1969-11-19 | 1972-06-06 | Du Pont | Method and system for simulating halftones |
US3819854A (en) * | 1970-02-20 | 1974-06-25 | Harris Intertype Corp | Composing apparatus |
US3742129A (en) * | 1971-07-07 | 1973-06-26 | Harris Intertype Corp | Apparatus and method for generating halftones for image reproduction |
JPS4883723A (en) * | 1972-02-08 | 1973-11-08 | ||
US4052739A (en) * | 1972-05-19 | 1977-10-04 | Matsushita Electric Industrial Co., Ltd. | Electronic engraving system |
US4040094A (en) * | 1973-02-13 | 1977-08-02 | International Publishing Corporation Ltd. | Electronic screening |
US4189752A (en) * | 1973-11-12 | 1980-02-19 | Printing Developments, Inc. | Electronic screening with galvanometer recorders |
US3920951A (en) * | 1974-06-03 | 1975-11-18 | Gen Electric | Laser etching apparatus for forming photographic images on metallic surfaces |
US4106061A (en) * | 1977-03-03 | 1978-08-08 | The Mead Corporation | Density control for ink jet copier |
US4219850A (en) * | 1978-02-16 | 1980-08-26 | The Mead Corporation | Optical encoder |
JPS56153881A (en) * | 1980-04-30 | 1981-11-28 | Fuji Photo Film Co Ltd | Half tone picture recording device |
FR2497043B1 (en) * | 1980-12-19 | 1985-09-13 | Cit Alcatel | IMAGE PRINTING DEVICE |
DE3317579A1 (en) * | 1982-05-14 | 1983-11-17 | Canon K.K., Tokyo | METHOD AND DEVICE FOR IMAGE GENERATION |
DE3326330C2 (en) * | 1982-07-23 | 1994-06-09 | Canon Kk | Process for creating a grayscale image |
DE3326557A1 (en) * | 1982-07-23 | 1984-01-26 | Canon K.K., Tokyo | METHOD AND DEVICE FOR IMAGE GENERATION |
JPS5941970A (en) * | 1982-09-01 | 1984-03-08 | Canon Inc | Method and device for forming image |
JPS60152172A (en) * | 1984-01-19 | 1985-08-10 | Canon Inc | Device for forming color picture |
JPS6125365A (en) * | 1984-07-13 | 1986-02-04 | Canon Inc | Method for forming half-tone picture |
US4686538A (en) * | 1984-10-31 | 1987-08-11 | Canon Kabushiki Kaisha | Tone recording method |
FR2587572B1 (en) * | 1985-03-20 | 1994-02-18 | Canon Kk | IMAGE PROCESSING APPARATUS AND METHOD |
US4800442A (en) * | 1985-08-15 | 1989-01-24 | Canon Kabushiki Kaisha | Apparatus for generating an image from a digital video signal |
US4782398A (en) * | 1986-02-14 | 1988-11-01 | Canon Kabushiki Kaisha | Image processing apparatus |
FR2596226B1 (en) * | 1986-03-19 | 1988-12-02 | Vignon Bernard | METHOD FOR REPRODUCING AN IMAGE FROM THE DIGITIZATION OF THIS IMAGE |
DE3676085D1 (en) * | 1986-04-15 | 1991-01-17 | Maurer Electronics Gmbh | IMAGE DISPLAY SYSTEM FOR GENERATING A DIGITAL IMAGE. |
US4758886A (en) * | 1986-07-24 | 1988-07-19 | Minnesota Mining And Manufacturing Company | Optimal color half-tone patterns for raster-scan images |
US4680645A (en) * | 1986-08-25 | 1987-07-14 | Hewlett-Packard Company | Method for rendering gray scale images with variable dot sizes |
USH996H (en) | 1987-01-20 | 1991-11-05 | Recognition Equipment Incorporated | High resolution page image display system |
JPH01264076A (en) * | 1988-04-14 | 1989-10-20 | Dainippon Screen Mfg Co Ltd | Split exposure dot picture recorder |
US4969052A (en) * | 1988-05-11 | 1990-11-06 | Canon Kabushiki Kaisha | Image processing method and apparatus |
NL8902654A (en) * | 1988-11-24 | 1990-06-18 | Oce Nederland Bv | METHOD AND APPARATUS FOR PROCESSING AND DISPLAYING IMAGE INFORMATION. |
JP2941355B2 (en) * | 1990-05-18 | 1999-08-25 | 株式会社日立製作所 | Printing apparatus and information processing apparatus using the printing apparatus |
EP0487084B1 (en) * | 1990-11-22 | 2002-01-30 | Canon Kabushiki Kaisha | Image forming method and apparatus |
US5299020A (en) * | 1991-03-08 | 1994-03-29 | Scitex Corporation Ltd. | Method and apparatus for generating a screened reproduction of an image using stored dot portions |
JPH0698126A (en) * | 1992-09-10 | 1994-04-08 | Toshiba Corp | Facsimile equipment |
US5625397A (en) * | 1994-11-23 | 1997-04-29 | Iris Graphics, Inc. | Dot on dot ink jet printing using inks of differing densities |
TW305951B (en) * | 1995-02-27 | 1997-05-21 | Toray Industries | |
EP0734147B1 (en) * | 1995-03-22 | 2000-06-14 | Agfa-Gevaert N.V. | Intensity modulated stochastic screening for preparing a lithographic printing plate |
EP0734151B1 (en) * | 1995-03-22 | 2000-06-14 | Agfa-Gevaert N.V. | Size modulated stochastic screening |
DE69510918T2 (en) * | 1995-04-28 | 2000-03-30 | Agfa-Gevaert N.V., Mortsel | Printing plate and image reproduction method |
CN1062079C (en) * | 1995-06-21 | 2001-02-14 | 时代集团公司 | FM and AM netting method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1683894A (en) * | 1924-08-22 | 1928-09-11 | Western Electric Co | Reproducing pictures transmitted electrically |
US2041882A (en) * | 1931-03-05 | 1936-05-26 | Coal Products Company Of Delaw | Retort construction |
US2092765A (en) * | 1932-12-19 | 1937-09-14 | William A Hughes | Electric machine |
US2294643A (en) * | 1940-07-05 | 1942-09-01 | Interchenical Corp | Method and apparatus for reproducing pictures |
US2294645A (en) * | 1940-07-05 | 1942-09-01 | Interchem Corp | Printing plate |
US2818465A (en) * | 1954-06-15 | 1957-12-31 | Time Inc | Half-tone dot facsimile system |
DE1039842B (en) * | 1957-08-14 | 1958-09-25 | Rudol Hell Dr Ing | Process for the artificial increase of contrast on tone value cracks and contours in clichés to be produced by means of electronic cliché machines |
-
0
- NL NL263106D patent/NL263106A/xx unknown
- LU LU39915D patent/LU39915A1/xx unknown
-
1960
- 1960-04-01 FR FR823140A patent/FR1300718A/en not_active Expired
-
1961
- 1961-03-30 CH CH388261A patent/CH391467A/en unknown
- 1961-03-31 BE BE602105A patent/BE602105A/en unknown
- 1961-03-31 US US110598A patent/US3197558A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR1300718A (en) | 1962-08-10 |
US3197558A (en) | 1965-07-27 |
NL263106A (en) | |
LU39915A1 (en) | |
CH391467A (en) | 1965-04-30 |
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