ATE139879T1 - Gerät zur erzeugung einer gerasterten reproduktion eines bildes - Google Patents
Gerät zur erzeugung einer gerasterten reproduktion eines bildesInfo
- Publication number
- ATE139879T1 ATE139879T1 AT91304219T AT91304219T ATE139879T1 AT E139879 T1 ATE139879 T1 AT E139879T1 AT 91304219 T AT91304219 T AT 91304219T AT 91304219 T AT91304219 T AT 91304219T AT E139879 T1 ATE139879 T1 AT E139879T1
- Authority
- AT
- Austria
- Prior art keywords
- original
- image
- coordinate pair
- density values
- reproduction
- 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
- H04N1/40—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
- H04N1/4058—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 with details for producing a halftone screen at an oblique angle
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Image Signal Circuits (AREA)
- Image Analysis (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Closed-Circuit Television Systems (AREA)
- Holo Graphy (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Image Generation (AREA)
- Image Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/524,922 US5150225A (en) | 1990-05-18 | 1990-05-18 | Apparatus for generating a screened reproduction of an image |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE139879T1 true ATE139879T1 (de) | 1996-07-15 |
Family
ID=24091196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT91304219T ATE139879T1 (de) | 1990-05-18 | 1991-05-10 | Gerät zur erzeugung einer gerasterten reproduktion eines bildes |
Country Status (7)
Country | Link |
---|---|
US (1) | US5150225A (de) |
EP (1) | EP0457511B1 (de) |
JP (1) | JPH05347702A (de) |
AT (1) | ATE139879T1 (de) |
CA (1) | CA2042761A1 (de) |
DE (1) | DE69120471T2 (de) |
IL (1) | IL98114A (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5227895A (en) * | 1990-08-03 | 1993-07-13 | Scitex Corporation Ltd. | Method and apparatus for image reproduction |
JPH077624A (ja) * | 1991-09-09 | 1995-01-10 | Mitsubishi Paper Mills Ltd | 網点画像記録方法 |
DE4205085A1 (de) * | 1992-02-17 | 1993-08-26 | Mannesmann Ag | Verfahren und schaltung zum erzeugen von bild-informationen (pixmaps) |
US5233441A (en) * | 1992-03-20 | 1993-08-03 | Eastman Kodak Company | Method for representing halftone dots with dot envelope parameters |
US5239391A (en) * | 1992-03-20 | 1993-08-24 | Eastman Kodak Company | Apparatus for generating halftone dots from dot envelope parameters |
US5446558A (en) * | 1992-10-05 | 1995-08-29 | Eastman Kodak Company | Apparatus and associated method for representing elliptical halftone dots |
US5751594A (en) * | 1993-03-16 | 1998-05-12 | Emc Corporation | Aperture control system for printed circuit board fabrication |
IL106514A (en) * | 1993-07-28 | 1997-08-14 | Scitex Corp Ltd | Apparatus and method for screening images for reproduction |
US5440652A (en) * | 1993-09-10 | 1995-08-08 | Athena Design Systems, Inc. | Method and apparatus for preparing color separations based on n-way color relationships |
US5689623A (en) * | 1995-03-27 | 1997-11-18 | Optronics International Corporation | Spread spectrum digital screening |
DE29507302U1 (de) * | 1995-05-05 | 1995-06-22 | Roland Man Druckmasch | Rotationsdruckmaschine |
US5745250A (en) * | 1997-03-07 | 1998-04-28 | Xerox Corporation | Method of producing tint dots with pairs of holladay halftones |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4040094A (en) * | 1973-02-13 | 1977-08-02 | International Publishing Corporation Ltd. | Electronic screening |
GB1448112A (en) * | 1973-02-13 | 1976-09-02 | Int Publishing Corp Ltd | Electronic screening |
US4149183A (en) * | 1976-05-21 | 1979-04-10 | Xerox Corporation | Electronic halftone generator |
US4456924A (en) * | 1980-04-14 | 1984-06-26 | Scitex Corporation Ltd. | Screened image reproduction |
US4350996A (en) * | 1980-04-14 | 1982-09-21 | Scitex Corporation Ltd. | Screened image reproduction |
EP0047145B1 (de) * | 1980-09-01 | 1988-03-16 | Crosfield Electronics Limited | Verfahren zum Erzeugen einer Halbtonreproduktion |
JPS60213170A (ja) * | 1984-04-06 | 1985-10-25 | Dainippon Screen Mfg Co Ltd | 画像走査記録装置における網点パタ−ン発生方法 |
JPS6258779A (ja) * | 1985-09-06 | 1987-03-14 | Dainippon Screen Mfg Co Ltd | 網目版画像記録装置 |
JPH0626440B2 (ja) * | 1987-05-26 | 1994-04-06 | 大日本スクリ−ン製造株式会社 | 網点作成装置 |
AU605298B2 (en) * | 1987-05-29 | 1991-01-10 | Digital Equipment Corporation | System for producing dithered images on asymmetric grids |
-
1990
- 1990-05-18 US US07/524,922 patent/US5150225A/en not_active Expired - Fee Related
-
1991
- 1991-05-10 AT AT91304219T patent/ATE139879T1/de active
- 1991-05-10 DE DE69120471T patent/DE69120471T2/de not_active Expired - Fee Related
- 1991-05-10 EP EP91304219A patent/EP0457511B1/de not_active Expired - Lifetime
- 1991-05-12 IL IL9811491A patent/IL98114A/en unknown
- 1991-05-16 CA CA002042761A patent/CA2042761A1/en not_active Abandoned
- 1991-05-17 JP JP3141240A patent/JPH05347702A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE69120471D1 (de) | 1996-08-01 |
IL98114A0 (en) | 1992-06-21 |
EP0457511A2 (de) | 1991-11-21 |
IL98114A (en) | 1995-01-24 |
EP0457511A3 (en) | 1993-01-13 |
DE69120471T2 (de) | 1997-02-20 |
EP0457511B1 (de) | 1996-06-26 |
US5150225A (en) | 1992-09-22 |
CA2042761A1 (en) | 1991-11-19 |
JPH05347702A (ja) | 1993-12-27 |
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