JP4237775B2 - 画像形成装置 - Google Patents
画像形成装置 Download PDFInfo
- Publication number
- JP4237775B2 JP4237775B2 JP2006094438A JP2006094438A JP4237775B2 JP 4237775 B2 JP4237775 B2 JP 4237775B2 JP 2006094438 A JP2006094438 A JP 2006094438A JP 2006094438 A JP2006094438 A JP 2006094438A JP 4237775 B2 JP4237775 B2 JP 4237775B2
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- JP
- Japan
- Prior art keywords
- scanning
- data
- image
- scanning direction
- sub
- 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.)
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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
-
- 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
- H04N1/0411—Different densities of dots per unit length in the main 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
- 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
- H04N1/203—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet
- H04N1/2032—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet of two pictures corresponding to two sides of a single medium
-
- 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
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/0402—Arrangements not specific to a particular one of the scanning methods covered by groups H04N1/04 - H04N1/207
- H04N2201/0438—Scanning displays; Scanning large surfaces, e.g. projection screens, writing boards
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04758—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area
- H04N2201/04787—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area by changing or controlling the addresses or values of pixels, e.g. in an array, in a memory, by interpolation
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Control Or Security For Electrophotography (AREA)
- Editing Of Facsimile Originals (AREA)
- Record Information Processing For Printing (AREA)
Description
Claims (4)
- 主走査方向および前記主走査方向に直交する副走査方向に配列された画像データを前記主走査方向および前記副走査方向に走査することによって顕在化された画像を形成する画像形成装置であって、
前記画像データは、前記副走査方向において、実データで構成された実潜像ラインと、前記実データを用いて形成された虚潜像ラインとで走査線を構成しており、
前記画像データを用紙の両面に印刷する印刷手段と、
前記画像データの前記副走査方向における一端から他端までを走査したときの走査線総数が奇数になるように、前記画像データを保持するデータ保持手段と、
前記データ保持手段によって前記走査線総数が奇数になるように保持されている画像データを、前記用紙の一方面の印刷領域に、前記副走査方向の一方端から読み出して印刷した後、前記用紙の他方面の印刷領域に、前記副走査方向の他方端から読み出して印刷するように、前記印刷手段を制御する制御手段とを備える、画像形成装置。 - 前記データ保持手段は、
前記走査線総数が偶数であるか否かを判別する判別手段と、
前記判別手段によって判別された走査線総数が偶数であると判別されたことに応じて、前記走査線総数が奇数になるように前記画像データを補正する補正手段とを含む、請求項1に記載の画像形成装置。 - 前記補正手段は、前記偶数と判別された走査線総数に1本の走査線を加算あるいは減算する、請求項2に記載の画像形成装置。
- 前記画像データは、用紙上に顕在化され、
前記走査線総数は、前記用紙のサイズにより予め決められており、
前記判別手段は、用紙のサイズを判別することにより前記走査線総数が偶数であるか否かを判別する、請求項2または3に記載の画像形成装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006094438A JP4237775B2 (ja) | 2006-03-30 | 2006-03-30 | 画像形成装置 |
US11/727,794 US7978358B2 (en) | 2006-03-30 | 2007-03-28 | Double-sided image forming device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006094438A JP4237775B2 (ja) | 2006-03-30 | 2006-03-30 | 画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007274098A JP2007274098A (ja) | 2007-10-18 |
JP4237775B2 true JP4237775B2 (ja) | 2009-03-11 |
Family
ID=38660913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006094438A Active JP4237775B2 (ja) | 2006-03-30 | 2006-03-30 | 画像形成装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7978358B2 (ja) |
JP (1) | JP4237775B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8625150B2 (en) * | 2009-07-24 | 2014-01-07 | Oki Data Corporation | Image processing device and image forming device |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4603350A (en) * | 1984-12-21 | 1986-07-29 | Rca Corporation | Interlaced digital video input filter/decimator and/or expander/interpolator filter |
US5134495A (en) | 1990-11-07 | 1992-07-28 | Dp-Tek, Inc. | Resolution transforming raster-based imaging system |
JP2633394B2 (ja) * | 1992-02-25 | 1997-07-23 | オセ−ネーデルランド ビーブイ | ディジタル画像データを再生する装置及び方法 |
US5606481A (en) * | 1992-03-27 | 1997-02-25 | Tandy Corporation | Overvoltage protection for battery powered equipment |
JP3801242B2 (ja) * | 1995-10-31 | 2006-07-26 | 株式会社日立製作所 | 縮小画像表示装置 |
US20050185092A1 (en) * | 2005-05-14 | 2005-08-25 | Akio Tanaka | Flicker Reduction System for Displaying Web Pages on Television |
-
2006
- 2006-03-30 JP JP2006094438A patent/JP4237775B2/ja active Active
-
2007
- 2007-03-28 US US11/727,794 patent/US7978358B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2007274098A (ja) | 2007-10-18 |
US20070258107A1 (en) | 2007-11-08 |
US7978358B2 (en) | 2011-07-12 |
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