EP0774698A3 - Apparatus for forming two toner images in a single frame - Google Patents
Apparatus for forming two toner images in a single frame Download PDFInfo
- Publication number
- EP0774698A3 EP0774698A3 EP97100597A EP97100597A EP0774698A3 EP 0774698 A3 EP0774698 A3 EP 0774698A3 EP 97100597 A EP97100597 A EP 97100597A EP 97100597 A EP97100597 A EP 97100597A EP 0774698 A3 EP0774698 A3 EP 0774698A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- forming
- toner images
- single frame
- printhead
- image member
- 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
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/447—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources
- B41J2/45—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using arrays of radiation sources using light-emitting diode [LED] or laser arrays
-
- 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
- G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
- G03G15/0142—Structure of complete machines
- G03G15/0147—Structure of complete machines using a single reusable electrographic recording member
- G03G15/0152—Structure of complete machines using a single reusable electrographic recording member onto which the monocolour toner images are superposed before common transfer from the recording member
- G03G15/0157—Structure of complete machines using a single reusable electrographic recording member onto which the monocolour toner images are superposed before common transfer from the recording member with special treatment between monocolour image formation
-
- 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
- G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
- G03G15/0142—Structure of complete machines
- G03G15/0147—Structure of complete machines using a single reusable electrographic recording member
- G03G15/0152—Structure of complete machines using a single reusable electrographic recording member onto which the monocolour toner images are superposed before common transfer from the recording member
- G03G15/0163—Structure of complete machines using a single reusable electrographic recording member onto which the monocolour toner images are superposed before common transfer from the recording member primary transfer to the final recording medium
-
- 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
- G03G15/04054—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 LED arrays
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/01—Apparatus for electrophotographic processes for producing multicoloured copies
- G03G2215/0167—Apparatus for electrophotographic processes for producing multicoloured copies single electrographic recording member
- G03G2215/017—Apparatus for electrophotographic processes for producing multicoloured copies single electrographic recording member single rotation of recording member to produce multicoloured copy
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/04—Arrangements for exposing and producing an image
- G03G2215/0497—Exposure from behind the image carrying surface
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
- Electrophotography Using Other Than Carlson'S Method (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Control Or Security For Electrophotography (AREA)
- Color Electrophotography (AREA)
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Abstract
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US65248 | 1987-06-18 | ||
US08/065,248 US5485190A (en) | 1993-05-20 | 1993-05-20 | Printhead writer assembly engageable with a web image member |
US08/065,246 US5985499A (en) | 1993-05-20 | 1993-05-20 | Method and apparatus for forming two toner images in a single frame |
US65246 | 1993-05-20 | ||
EP19940107101 EP0625730B1 (en) | 1993-05-20 | 1994-05-06 | Method for forming two superimposed toner images |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94107101.1 Division | 1994-05-06 | ||
EP19940107101 Division EP0625730B1 (en) | 1993-05-20 | 1994-05-06 | Method for forming two superimposed toner images |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0774698A2 EP0774698A2 (en) | 1997-05-21 |
EP0774698A3 true EP0774698A3 (en) | 1998-04-22 |
EP0774698B1 EP0774698B1 (en) | 2001-07-25 |
Family
ID=26745381
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19940107101 Expired - Lifetime EP0625730B1 (en) | 1993-05-20 | 1994-05-06 | Method for forming two superimposed toner images |
EP97100597A Expired - Lifetime EP0774698B1 (en) | 1993-05-20 | 1994-05-06 | Image forming apparatus with exposure through a web type image member |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19940107101 Expired - Lifetime EP0625730B1 (en) | 1993-05-20 | 1994-05-06 | Method for forming two superimposed toner images |
Country Status (3)
Country | Link |
---|---|
EP (2) | EP0625730B1 (en) |
JP (1) | JPH0798529A (en) |
DE (2) | DE69427833T2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5700611A (en) * | 1995-12-07 | 1997-12-23 | Eastman Kodak Company | Method for forming overlapping toner images |
EP0785478B1 (en) | 1996-01-17 | 2002-12-11 | NexPress Solutions LLC | Method for forming toner images with two distinct toners |
US5748218A (en) * | 1996-01-17 | 1998-05-05 | Eastman Kodak Company | Method for forming toner images with two distinct toners |
JP6826775B2 (en) * | 2016-10-25 | 2021-02-10 | 株式会社リコー | Image forming device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60130728A (en) * | 1983-12-19 | 1985-07-12 | Matsushita Electric Ind Co Ltd | Focus adjusting device of electrophotographic device |
US4703334A (en) * | 1983-08-26 | 1987-10-27 | Ricoh Company, Ltd. | Optical recording head and belt positioning apparatus |
JPS6349780A (en) * | 1986-08-19 | 1988-03-02 | Nec Corp | Adjusting mechanism for focus position of optical print head |
US4928139A (en) * | 1988-11-21 | 1990-05-22 | Eastman Kodak Company | Assembly containing a linear focusing means and method of making same |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60247264A (en) * | 1984-05-23 | 1985-12-06 | Japan Steel Works Ltd:The | Multi-color electrophotographic device |
US4778740A (en) * | 1986-03-31 | 1988-10-18 | Matsushita Electric Industrial Co., Ltd. | Color electrophotographic method and apparatus |
US5053821A (en) * | 1987-10-06 | 1991-10-01 | Seiko Epson Corporation, A Corporation Of Japan | Electrophotographic image forming apparatus using photoconductive toner |
US5001028A (en) * | 1988-08-15 | 1991-03-19 | Eastman Kodak Company | Electrophotographic method using hard magnetic carrier particles |
US5057875A (en) * | 1989-01-27 | 1991-10-15 | Oki Electric Industry Co., Ltd. | Image forming apparatus provided with an image bearing film and a movable transfixing station |
-
1994
- 1994-05-06 EP EP19940107101 patent/EP0625730B1/en not_active Expired - Lifetime
- 1994-05-06 DE DE1994627833 patent/DE69427833T2/en not_active Expired - Lifetime
- 1994-05-06 EP EP97100597A patent/EP0774698B1/en not_active Expired - Lifetime
- 1994-05-06 DE DE1994604550 patent/DE69404550T2/en not_active Expired - Lifetime
- 1994-05-19 JP JP6105744A patent/JPH0798529A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4703334A (en) * | 1983-08-26 | 1987-10-27 | Ricoh Company, Ltd. | Optical recording head and belt positioning apparatus |
JPS60130728A (en) * | 1983-12-19 | 1985-07-12 | Matsushita Electric Ind Co Ltd | Focus adjusting device of electrophotographic device |
JPS6349780A (en) * | 1986-08-19 | 1988-03-02 | Nec Corp | Adjusting mechanism for focus position of optical print head |
US4928139A (en) * | 1988-11-21 | 1990-05-22 | Eastman Kodak Company | Assembly containing a linear focusing means and method of making same |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 009, no. 292 (P - 406) 19 November 1985 (1985-11-19) * |
PATENT ABSTRACTS OF JAPAN vol. 012, no. 264 (P - 734) 23 July 1988 (1988-07-23) * |
Also Published As
Publication number | Publication date |
---|---|
EP0774698B1 (en) | 2001-07-25 |
DE69427833D1 (en) | 2001-08-30 |
DE69427833T2 (en) | 2002-04-04 |
JPH0798529A (en) | 1995-04-11 |
EP0625730B1 (en) | 1997-07-30 |
EP0625730A2 (en) | 1994-11-23 |
DE69404550D1 (en) | 1997-09-04 |
DE69404550T2 (en) | 1998-02-12 |
EP0774698A2 (en) | 1997-05-21 |
EP0625730A3 (en) | 1995-01-11 |
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