DE69122989D1 - Aufzeichnung von in Rasterzeilen vorliegenden Daten durch Abtastung mit einer Zeilendichte, die in einem gebrochenen Verhältnis zur Rasterzeilendichte der Daten stehen kann - Google Patents
Aufzeichnung von in Rasterzeilen vorliegenden Daten durch Abtastung mit einer Zeilendichte, die in einem gebrochenen Verhältnis zur Rasterzeilendichte der Daten stehen kannInfo
- Publication number
- DE69122989D1 DE69122989D1 DE69122989T DE69122989T DE69122989D1 DE 69122989 D1 DE69122989 D1 DE 69122989D1 DE 69122989 T DE69122989 T DE 69122989T DE 69122989 T DE69122989 T DE 69122989T DE 69122989 D1 DE69122989 D1 DE 69122989D1
- Authority
- DE
- Germany
- Prior art keywords
- data
- line density
- raster
- scanning
- recording
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
- H04N1/0408—Different densities of dots per unit length
- H04N1/0414—Different densities of dots per unit length in the sub scanning direction
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
- H04N1/0417—Conversion of standards
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
- H04N1/042—Details of the method used
- H04N1/0446—Varying the modulation time or intensity
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/113—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors
- H04N1/1135—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors for the main-scan only
-
- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Laser Beam Printer (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/535,629 US5382967A (en) | 1990-06-11 | 1990-06-11 | Continuously tunable raster resolution printing |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69122989D1 true DE69122989D1 (de) | 1996-12-12 |
DE69122989T2 DE69122989T2 (de) | 1997-03-20 |
Family
ID=24135071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69122989T Expired - Lifetime DE69122989T2 (de) | 1990-06-11 | 1991-06-11 | Aufzeichnung von in Rasterzeilen vorliegenden Daten durch Abtastung mit einer Zeilendichte, die in einem gebrochenen Verhältnis zur Rasterzeilendichte der Daten stehen kann |
Country Status (4)
Country | Link |
---|---|
US (1) | US5382967A (de) |
EP (1) | EP0461854B1 (de) |
JP (1) | JP3112308B2 (de) |
DE (1) | DE69122989T2 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0128168B1 (ko) * | 1993-12-18 | 1998-04-04 | 김광호 | 화상형성 시스템의 용지절약 장치 및 방법 |
US5537223A (en) | 1994-06-02 | 1996-07-16 | Xerox Corporation | Rotating non-rotationally symmetrical halftone dots for encoding embedded data in a hyperacuity printer |
JP3562884B2 (ja) * | 1995-10-02 | 2004-09-08 | 日本板硝子株式会社 | 自己走査型発光装置、光プリンタ用光源および光プリンタ |
US6687023B1 (en) | 2000-04-17 | 2004-02-03 | International Business Machines Corporation | Data processing system and method for producing shifted-element halftone screens |
US7170639B1 (en) | 2000-05-16 | 2007-01-30 | International Business Machines Corporation | Halftone method and apparatus that provides simultaneous, multiple lines per inch screens |
US7835034B1 (en) | 2000-05-16 | 2010-11-16 | Infoprint Solutions Company, Llc | Halftone method and apparatus that provides a line screen frequency of N/2 for a printer resolution of N dots per inch without negative print effects |
US7345790B2 (en) * | 2003-01-21 | 2008-03-18 | Dittrich Danielle K | Method and apparatus for simulating 2 bit-per-pel printing on a bi-level printer using intelligent double dotting |
US20060103718A1 (en) * | 2004-11-18 | 2006-05-18 | Xerox Corporation | Variable interlace system and method of use |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4227117A (en) * | 1978-04-28 | 1980-10-07 | Matsuhita Electric Industrial Co., Ltd. | Picture display device |
HU180860B (en) * | 1979-12-18 | 1983-04-29 | Mta Szamitastech Autom Kutato | Method and apparatus for recording signals by means of laser ray with optoelectronic image turning |
DE3002781A1 (de) * | 1980-01-26 | 1981-07-30 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Verfahren zur verbesserten bildwiedergabe in der reproduktionstechnik |
US4417184A (en) * | 1980-08-04 | 1983-11-22 | Matsushita Electric Industrial Co., Ltd. | Picture image display apparatus |
US4613877A (en) * | 1984-11-26 | 1986-09-23 | Data Recording Systems, Inc. | High resolution laser printer |
CA1271357A (en) * | 1985-02-22 | 1990-07-10 | Louis M. Moyroud | High-speed broad-brush laser photocomposition |
-
1990
- 1990-06-11 US US07/535,629 patent/US5382967A/en not_active Expired - Lifetime
-
1991
- 1991-06-04 JP JP03132836A patent/JP3112308B2/ja not_active Expired - Lifetime
- 1991-06-11 EP EP91305244A patent/EP0461854B1/de not_active Expired - Lifetime
- 1991-06-11 DE DE69122989T patent/DE69122989T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69122989T2 (de) | 1997-03-20 |
EP0461854B1 (de) | 1996-11-06 |
EP0461854A3 (en) | 1992-10-21 |
JPH04233367A (ja) | 1992-08-21 |
JP3112308B2 (ja) | 2000-11-27 |
EP0461854A2 (de) | 1991-12-18 |
US5382967A (en) | 1995-01-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |