DE69629894D1 - Veränderung der Punktgrösse für Laserdrucker - Google Patents
Veränderung der Punktgrösse für LaserdruckerInfo
- Publication number
- DE69629894D1 DE69629894D1 DE69629894T DE69629894T DE69629894D1 DE 69629894 D1 DE69629894 D1 DE 69629894D1 DE 69629894 T DE69629894 T DE 69629894T DE 69629894 T DE69629894 T DE 69629894T DE 69629894 D1 DE69629894 D1 DE 69629894D1
- Authority
- DE
- Germany
- Prior art keywords
- change
- dot size
- laser printers
- printers
- laser
- 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 - Fee Related
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
- H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
- H04N1/40037—Circuits exciting or modulating particular heads for reproducing continuous tone value scales the reproducing element being a laser
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Fax Reproducing Arrangements (AREA)
- Laser Beam Printer (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Facsimile Image Signal Circuits (AREA)
- Dot-Matrix Printers And Others (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/563,781 US5818504A (en) | 1995-11-27 | 1995-11-27 | Adjustment of dot size for laser imagers |
US563781 | 1995-11-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69629894D1 true DE69629894D1 (de) | 2003-10-16 |
DE69629894T2 DE69629894T2 (de) | 2004-07-08 |
Family
ID=24251886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69629894T Expired - Fee Related DE69629894T2 (de) | 1995-11-27 | 1996-06-14 | Veränderung der Punktgrösse für Laserdrucker |
Country Status (4)
Country | Link |
---|---|
US (1) | US5818504A (de) |
EP (1) | EP0776122B1 (de) |
JP (1) | JPH09174930A (de) |
DE (1) | DE69629894T2 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3175732B2 (ja) * | 1999-06-02 | 2001-06-11 | セイコーエプソン株式会社 | 印刷装置及びパルス発生装置 |
JP3616276B2 (ja) * | 1999-06-11 | 2005-02-02 | シャープ株式会社 | 画像形成装置および画像形成方法 |
US7016073B1 (en) * | 1999-07-27 | 2006-03-21 | Xerox Corporation | Digital halftone with auxiliary pixels |
US6919973B1 (en) * | 1999-07-27 | 2005-07-19 | Xerox Corporation | Auxiliary pixel patterns for improving print quality |
US6982814B1 (en) | 2000-08-23 | 2006-01-03 | Hewlett-Packard Development Company, L.P. | Image printing devices with AM/FM half-toning with self-determination of dot size and method of implementing same |
US6867794B2 (en) * | 2003-01-30 | 2005-03-15 | Hewlett-Packard Development Company, L.P. | Adjusting a scan line in a laser imaging device |
US7042484B2 (en) * | 2003-03-20 | 2006-05-09 | Hewlett-Packard Development Company, L.P. | Scan line length adjustment |
US7358980B2 (en) * | 2005-01-24 | 2008-04-15 | Hewlett-Packard Development Company, L.P. | Imaging device and methods |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0782156B2 (ja) * | 1986-05-23 | 1995-09-06 | 株式会社日立製作所 | 記録光学系 |
KR930005905B1 (ko) * | 1987-12-23 | 1993-06-25 | 마쓰시다 덴기 산교 가부시기가이샤 | 전자사진 형성방법 |
US5282051A (en) * | 1991-07-29 | 1994-01-25 | Xerox Corporation | Apparatus and method for performing resolution conversion on image data with auto correlation |
US5408329A (en) * | 1992-09-08 | 1995-04-18 | Xerox Corporation | Image enhancement through digital darkness control |
US5455681A (en) * | 1992-11-16 | 1995-10-03 | Eastman Kodak Company | Low resolution grey level printing method from high resolution binary input file |
US5450208A (en) * | 1992-11-30 | 1995-09-12 | Matsushita Electric Industrial Co., Ltd. | Image processing method and image processing apparatus |
-
1995
- 1995-11-27 US US08/563,781 patent/US5818504A/en not_active Expired - Lifetime
-
1996
- 1996-06-14 EP EP96109622A patent/EP0776122B1/de not_active Expired - Lifetime
- 1996-06-14 DE DE69629894T patent/DE69629894T2/de not_active Expired - Fee Related
- 1996-11-27 JP JP8315842A patent/JPH09174930A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0776122A2 (de) | 1997-05-28 |
US5818504A (en) | 1998-10-06 |
EP0776122A3 (de) | 1998-09-02 |
EP0776122B1 (de) | 2003-09-10 |
DE69629894T2 (de) | 2004-07-08 |
JPH09174930A (ja) | 1997-07-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: HEWLETT-PACKARD DEVELOPMENT CO., L.P., HOUSTON, TE |
|
8339 | Ceased/non-payment of the annual fee |