DE4302651A1 - - Google Patents
Info
- Publication number
- DE4302651A1 DE4302651A1 DE19934302651 DE4302651A DE4302651A1 DE 4302651 A1 DE4302651 A1 DE 4302651A1 DE 19934302651 DE19934302651 DE 19934302651 DE 4302651 A DE4302651 A DE 4302651A DE 4302651 A1 DE4302651 A1 DE 4302651A1
- Authority
- DE
- Germany
- Prior art keywords
- timing
- image
- image data
- signal
- pulse width
- 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.)
- Granted
Links
- 238000003384 imaging method Methods 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 12
- 230000015654 memory Effects 0.000 description 8
- 238000012937 correction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000032683 aging Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 206010044565 Tremor Diseases 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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
- H04N1/4056—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 the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]
-
- 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
- H04N1/23—Reproducing arrangements
- H04N1/29—Reproducing arrangements involving production of an electrostatic intermediate picture
- H04N1/295—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity
-
- 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
- H04N1/40087—Multi-toning, i.e. converting a continuous-tone signal for reproduction with more than two discrete brightnesses or optical densities, e.g. dots of grey and black inks on white paper
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Facsimile Image Signal Circuits (AREA)
- Laser Beam Printer (AREA)
- Color, Gradation (AREA)
- Fax Reproducing Arrangements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1644492 | 1992-01-31 | ||
| JP4323295A JPH05270058A (ja) | 1992-01-31 | 1992-12-02 | 画像形成装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE4302651A1 true DE4302651A1 (enrdf_load_stackoverflow) | 1993-08-05 |
| DE4302651C2 DE4302651C2 (de) | 1998-09-03 |
Family
ID=26352796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19934302651 Expired - Fee Related DE4302651C2 (de) | 1992-01-31 | 1993-01-30 | Bilderzeugungseinrichtung |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE4302651C2 (enrdf_load_stackoverflow) |
| GB (1) | GB2264024A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0653878B1 (en) * | 1993-11-12 | 2000-01-12 | Tektronix, Inc. | Halftone pattern geometry for printing high quality images |
| US6166821A (en) * | 1998-10-02 | 2000-12-26 | Electronics For Imaging, Inc. | Self calibrating pulse width modulator for use in electrostatic printing applications |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4017427A1 (de) * | 1989-05-30 | 1990-12-06 | Ricoh Kk | Mehrton-laserstrahl-schreibeinrichtung fuer ein bilderzeugungsgeraet |
| DE3329311C2 (enrdf_load_stackoverflow) * | 1983-08-13 | 1991-08-22 | Ricoh Co., Ltd., Tokio/Tokyo, Jp | |
| JPH06311342A (ja) * | 1993-04-23 | 1994-11-04 | Canon Inc | ファクシミリ装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0479537B1 (en) * | 1990-10-03 | 1999-01-20 | Canon Kabushiki Kaisha | Image formation apparatus |
| JP3176083B2 (ja) * | 1991-05-20 | 2001-06-11 | キヤノン株式会社 | 画像処理装置及びその方法 |
-
1993
- 1993-01-28 GB GB9301731A patent/GB2264024A/en not_active Withdrawn
- 1993-01-30 DE DE19934302651 patent/DE4302651C2/de not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3329311C2 (enrdf_load_stackoverflow) * | 1983-08-13 | 1991-08-22 | Ricoh Co., Ltd., Tokio/Tokyo, Jp | |
| DE4017427A1 (de) * | 1989-05-30 | 1990-12-06 | Ricoh Kk | Mehrton-laserstrahl-schreibeinrichtung fuer ein bilderzeugungsgeraet |
| JPH06311342A (ja) * | 1993-04-23 | 1994-11-04 | Canon Inc | ファクシミリ装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2264024A (en) | 1993-08-11 |
| GB9301731D0 (en) | 1993-03-17 |
| DE4302651C2 (de) | 1998-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3525011C2 (enrdf_load_stackoverflow) | ||
| DE3312273C2 (enrdf_load_stackoverflow) | ||
| EP0141869B1 (de) | Verfahren und Einrichtung zur Herstellung gerasterter Druckformen | |
| DE3609252C2 (enrdf_load_stackoverflow) | ||
| DE3650597T2 (de) | Gerät zur Bildererzeugung aus einem digitalen Videosignal | |
| DE3738469C2 (de) | Bilderzeugungsgerät | |
| DE3408187C2 (enrdf_load_stackoverflow) | ||
| DE2827596A1 (de) | Verfahren und anordnung zur herstellung gerasterter druckformen | |
| DE4115163B4 (de) | Bilderzeugungseinrichtung | |
| DE2809338C3 (de) | Schwärzungsdichte-Steuerungsanordnung für Tintenstrahldrucker | |
| DE2720782A1 (de) | Elektronischer halbton-generator | |
| DE3143562A1 (de) | Farbstrahl-farbendruckeinrichtung | |
| DE69819608T2 (de) | Mehrpegelige Halbtonrasterung mit Rändern verringerter Textur und Deckungssteuerung | |
| DE3729936C2 (de) | Strahlaufzeichnungsgerät | |
| DE3687026T2 (de) | Bildverarbeitungsvorrichtung. | |
| DE69933908T2 (de) | Abbildungsvorrichtung und -Verfahren | |
| DE4013729C2 (de) | Bildaufzeichnungsverfahren | |
| DE69831379T2 (de) | Dynamische Pulsbreitenmodulation für Laserdruck | |
| DE69322350T2 (de) | "Write white" Druck-System mit Mehrfachzentren-Halbton-Maske | |
| DE69030252T2 (de) | Anschlagfreier drucker und grauwertaufzeichnungsverfahren | |
| DE69737710T2 (de) | Mehrstufige Rasterung für Farblaserdrucker | |
| DE4302651C2 (de) | Bilderzeugungseinrichtung | |
| DE4034936C2 (enrdf_load_stackoverflow) | ||
| DE69702029T2 (de) | Bildaufzeichnungsverfahren | |
| DE60221248T2 (de) | Kalibrierung eines mehrstufigen Tintenstrahldruckverfahren |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |