DE69107525D1 - Bilderzeugungsgerät und -verfahren. - Google Patents
Bilderzeugungsgerät und -verfahren.Info
- Publication number
- DE69107525D1 DE69107525D1 DE69107525T DE69107525T DE69107525D1 DE 69107525 D1 DE69107525 D1 DE 69107525D1 DE 69107525 T DE69107525 T DE 69107525T DE 69107525 T DE69107525 T DE 69107525T DE 69107525 D1 DE69107525 D1 DE 69107525D1
- Authority
- DE
- Germany
- Prior art keywords
- imaging device
- imaging
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/04036—Details of illuminating systems, e.g. lamps, reflectors
- G03G15/04045—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers
- G03G15/04072—Details of illuminating systems, e.g. lamps, reflectors for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material, e.g. digital copiers by laser
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/32—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head
- G03G15/326—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the charge pattern is formed dotwise, e.g. by a thermal head by application of light, e.g. using a LED array
-
- 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
- H04N1/40025—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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/043—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
- G03G15/0435—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure by introducing an optical element in the optical path, e.g. a filter
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
- Laser Beam Printer (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP02130833A JP3125192B2 (ja) | 1990-05-21 | 1990-05-21 | 画像形成方法 |
JP14023690A JPH0432872A (ja) | 1990-05-30 | 1990-05-30 | 画像形成装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69107525D1 true DE69107525D1 (de) | 1995-03-30 |
DE69107525T2 DE69107525T2 (de) | 1995-07-20 |
Family
ID=26465860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69107525T Expired - Fee Related DE69107525T2 (de) | 1990-05-21 | 1991-05-18 | Bilderzeugungsgerät und -verfahren. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5380610A (de) |
EP (1) | EP0464349B1 (de) |
DE (1) | DE69107525T2 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6057866A (en) * | 1996-09-30 | 2000-05-02 | Konica Corporation | Color image forming apparatus and method using color compensation |
JPH10171221A (ja) * | 1996-10-08 | 1998-06-26 | Ricoh Co Ltd | 画像形成装置及び画像形成方法 |
JP3734120B2 (ja) * | 1997-08-15 | 2006-01-11 | 富士写真フイルム株式会社 | 色補正方法及び色補正装置 |
US7333121B2 (en) | 2005-04-28 | 2008-02-19 | Marvell International Technology Ltd | System and method for scaling data to compensate for slanted scanning in a bidirectional scanning laser printer |
JP2007143111A (ja) * | 2005-10-21 | 2007-06-07 | Canon Inc | 情報処理装置及び情報処理装置の制御方法 |
US7616908B2 (en) * | 2006-06-29 | 2009-11-10 | Kabushiki Kaisha Toshiba | Image forming apparatus and method having exposure control depending on first and second density patches |
US7535483B2 (en) * | 2006-07-25 | 2009-05-19 | Kabushiki Kaisha Toshiba | Image forming apparatus and image forming method |
JP2014128909A (ja) * | 2012-12-28 | 2014-07-10 | Toshiba Corp | 画像形成装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4563408A (en) * | 1984-12-24 | 1986-01-07 | Xerox Corporation | Photoconductive imaging member with hydroxyaromatic antioxidant |
US4821065A (en) * | 1986-01-10 | 1989-04-11 | Canon Kabushiki Kaisha | Recording apparatus having controllable recording beam states |
JPH0644156B2 (ja) * | 1986-08-11 | 1994-06-08 | コニカ株式会社 | 正帯電用電子写真感光体 |
DE3750013T2 (de) * | 1986-10-20 | 1994-09-29 | Fuji Photo Film Co Ltd | Laserstrahlabtastverfahren und -vorrichtung. |
JP2607490B2 (ja) * | 1986-12-09 | 1997-05-07 | キヤノン株式会社 | 画像形成装置の画質制御方法 |
US4879577A (en) * | 1988-04-19 | 1989-11-07 | International Business Machines Corporation | Method and apparatus for controlling the electrostatic parameters of an electrophotographic reproduction device |
US5025272A (en) * | 1988-12-28 | 1991-06-18 | Konica Corporation | Dot exposure type image forming apparatus |
US5252415A (en) * | 1989-12-11 | 1993-10-12 | Konica Corporation | Dot-image forming method and the photoreceptor therefor |
US5172132A (en) * | 1990-03-06 | 1992-12-15 | Konica Corporation | Digital image forming device and method for forming an image from a plurality of dots |
US5255014A (en) * | 1990-04-12 | 1993-10-19 | Konica Corporation | Image forming apparatus having a high γ photoreceptor |
-
1991
- 1991-05-18 DE DE69107525T patent/DE69107525T2/de not_active Expired - Fee Related
- 1991-05-18 EP EP91108107A patent/EP0464349B1/de not_active Expired - Lifetime
-
1994
- 1994-06-17 US US08/262,038 patent/US5380610A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69107525T2 (de) | 1995-07-20 |
EP0464349B1 (de) | 1995-02-22 |
US5380610A (en) | 1995-01-10 |
EP0464349A3 (en) | 1992-01-22 |
EP0464349A2 (de) | 1992-01-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |