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| Number | Title | Issue Date |
| 7333764 | Paper guide and electrophotographic forming apparatus having the same A paper guide which does not make stripes on an image on a printing paper. The paper guide of an electrophotographic image forming apparatus includes a guiding member for guiding the printing paper into a fusing unit, a plurality of guiding ribs formed on the guidin... | 02/19/2008 |
| 7177576 | Apparatus for forming image using liquid development Widths of a coating area, a developing agent carrier, a maximum image area and a first cleaning member taken along a second direction are respectively W1, W2, W3 and W4, the following conditions are satisfied: a first condition tha... | 02/13/2007 |
| 6850724 | Liquid developing unit using high density ink A developing unit using a high concentration ink includes a developing solution supply unit supplying the developing solution containing the high concentration ink, a developing roller, whose lower half is soaked in the developing solution of the developing solution... | 02/01/2005 |
| 6785483 | Systems and methods incorporating job scheduling to extend the lifetime of an ink sump Methods and system incorporating job scheduling to extend the lifetime of an ink sump according to one or more replenishment models in which two replenishing sumps are used to maintain compositional stability in a working ink sump operable in a three subcomponent in... | 08/31/2004 |
| 6122471 | Method and apparatus for delivery of high solids content toner cake in a contact electrostatic printing system An imaging system for effecting electrostatic printing of an image, wherein the imaging system includes at least one contact electrostatic printing engine operable in a novel fashion upon a copy substrate, for imaging and development of an electrostatic l... | 09/19/2000 |
| 5999778 | Developing device of wet type printer A developing device, of a wet type printer, provided with a reservoir for holding developer liquid. A developing roller is installed at an upper region of the reservoir, and contacts a photosensitive belt. A cleaning device for cleaning the developing rol... | 12/07/1999 |
| 5761583 | Liquid nitrogen printing process and apparatus and toner composition A cryogenic liquid, particularly liquid nitrogen, is used as a non-conductive fluid medium for freezing paper and as the liquid toner for electrostatic imaging. A web or sheet of paper is frozen using the cryogenic liquid to provide a dielectric surface f... | 06/02/1998 |
| 5752143 | Liquid immersion development apparatus having efficient charge dissipating development electrode In an electrostatographic liquid immersion development (LID) reproduction machine having an image bearing member having an image bearing surface, a development apparatus having a development electrode for forming a development nip with the image bearing s... | 05/12/1998 |
| 5717985 | Sintered metal fiber core blotter roll and method of making same A method of forming an economical image conditioning device suitable for conditioning low solids and high solids images in a liquid Immersion Development reproduction machine. The method includes the steps of arranging a quantity of metallic fibers into a... | 02/10/1998 |
| 5515141 | In-line tubular mixing device for liquid electrophotographic purposes An electrophotographic printer such as a laser printer uses a liquid toner solution in order to deliver toner having a small toner particle size. In order to maintain homogeneity of the liquid toner solution, an in-line mixer is used in the supply to an i... | 05/07/1996 |
| 5243391 | Varying an electric field, during development of a latent electrostatic image with developer solution, in proportion to a sensed concentration of toner that is within the developer solution The separation between two plates or electrodes--between which plates a developer solution is applied to develop a latent electrostatic charge image on a photoconductive medium within an electrophotographic imager--is varied in proportion to a detected co... | 09/07/1993 |
| 5155535 | Transfer apparatus having a transfer member with vacuum means A transfer member, for example, a transfer drum utilizes a vacuum applied through vacuum openings to the drum surface for holding a receiving sheet. A toner image is transferred to the sheet under the urging of an electric field. The vacuum openings are m... | 10/13/1992 |
| 5032871 | Guide with oblique ribs for wiping a material An image forming solvent applying device for applying an image forming solvent, for example, water, to a recording material whereby the recording material is immersed in the image forming solvent and bubbles or dust are wiped from the surface of the recor... | 07/16/1991 |
| 4299902 | Image forming process and apparatus therefor An image forming process including a step of developing an electrostatic image by supplying a liquid developer to a surface holding said image thereon, which comprises conducting said development when a liquid developer supply member capable, upon elastic... | 11/10/1981 |
| 4257347 | Process and apparatus for electrophotographic development of latent images on sheet-like carriers The intensity of development of latent images on dielectric receptor sheets in a liquid bath which contains a dispersion of toner particles and fills a vessel between two electrodes one of which supports a sheet in such a way that the latent image faces t... | 03/24/1981 |
| 4205622 | Electrophotographic developing apparatus having developer and refreshing rollers for liquid developers An electrophotographic developing apparatus comprises a developing roller and a refreshing roller. The developing roller applies liquid developer to an electrostatic latent image carrier moving in a predetermined direction. The refreshing roller comes int... | 06/03/1980 |
| 4091404 | Apparatus for developing photosensitive material An apparatus for developing photosensitive material which comprises passing the material into a bath of circulating developer fluid at a relatively static portion thereof and discharging the material from the bath below the surface of the fluid through a ... | 05/23/1978 |
| 4079697 | Electrode conductive roller developing device At least one roller in a plurality of paired electrode rollers positioned in a liquid developer is electrically isolated from its associated electrode roller for development of the image on a copying sheet during the time in which the copying sheet is tra... | 03/21/1978 |
| 3964436 | Electrophotographic development apparatus Disclosed is an apparatus for developing an electrostatic latent image on a frame of a multi-frame electrophotograhic film by placement of the film parallel to a closely spaced electrically floating development electrode which has a special size relations... | 06/22/1976 |
