Quotables
"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7773916 | System and method for transferring features to a substrate A method comprising generating a clear layer on a first surface using a transparent liquid toner, generating a color layer using a pigmented liquid toner over the clear layer on the first surface, and transferring the clear layer and the color layer from the first s... | 08/10/2010 |
| 7433635 | Method and apparatus for using a transfer assist layer in a multi-pass electrophotographic process with electrostatically assisted toner transfer A method of producing an image on a final image receptor from image data in a multiple pass electrophotographic system is provided. The method includes the steps of applying transfer assist material to an intermediate transfer member and providing at least one devel... | 10/07/2008 |
| 7433636 | Method and apparatus for using a transfer assist layer in a tandem electrophotographic process with electrostatically assisted toner transfer A method of producing an image on a final image receptor in a single pass electrophotographic system is provided. The method includes the steps of providing at least one toner development unit including a photoreceptive element and charged toner particles, and creat... | 10/07/2008 |
| 7354691 | Imaging apparatus and improved toner therefor The invention relates to a liquid toner and imaging apparatus provided with an imaging surface having a liquid toner image formed thereon on fibrous toner particles and carrier liquid. The fibrous toner particles can be composed of a polymer portion and pigment disp... | 04/08/2008 |
| 7301554 | Light scanning device, scanning line adjusting method, scanning line adjusting control method, image forming apparatus, and image forming method A light scanning device includes an optical element that images, on an image holding body, a light beam emitted from a light source. The light scanning device further includes a holding member that holds the optical element, and scanning line curve correcting mechan... | 11/27/2007 |
| 7199813 | Photographic printer using hyper-pigment loaded toners A set of color toners for use in an electrophotographic image forming device is disclosed. The set of color toners include a cyan toner having high cyan pigment load, a magenta toner having a high magenta pigment load, and a yellow toner having a high yellow pigment... | 04/03/2007 |
| 7194229 | Method and apparatus for forming superimposed toner images of a plurality of colors When superimposing toner images of a plurality of colors on an image supporting member to form a color image, a free phase ion in a precedent image is removed without distorting the toner image precedently formed on the image supporting member, thereby improving rep... | 03/20/2007 |
| 7068967 | Developing apparatus with separable multiple developer layers and image forming apparatus incorporating same A developing apparatus including a developer container which contains a first developer having a first charging polarity and a second developer having a second charging polarity opposite to the first charging polarity, a developer bearing member which bears the firs... | 06/27/2006 |
| 7055675 | Conveyor belt cleaning system An assembly for cleaning a conveyor belt system is disclosed. The cleaning assembly is for a conveyor belt system with the type having first and second endless belts which each traverse a separate belt travel path and together define a generally upright article tran... | 06/06/2006 |
| 7020420 | Device and method for electrographically printing or copying using liquid inks In a device and method for electrographic printing or copying, a latent image carrier is provided having a potential pattern corresponding to an image pattern. An applicator pattern is provided that carries a liquid layer of ink spaced from a surface of the latent i... | 03/28/2006 |
| 7006244 | Image rendering method and system using negative signals A xerographic marking device includes a source of pixels representative of digitized image information. A rendering image processor analyzes the pixels for an image characteristic, and based on the analysis assigns one of at least three values to each pixel. The thr... | 02/28/2006 |
| 7003248 | Liquid image formation apparatus and liquid developing device An excess toner removal area is made broader over the whole area with respect to a developer applied area that is broader than an image effective area. Thereby a liquid developer, that tends to spread slightly broader than the applied area after being applied to a p... | 02/21/2006 |
| 6999702 | Ink disposal in cartridges An apparatus for assisting in the removal or waste or excess ink and a method for disposal of ink from electrophotographic printers comprises providing electrophotographic ink from a source, combining the ink with an absorbable material in a container to form a soli... | 02/14/2006 |
| 6993272 | Method of development of custom colors without changing developer housing A method for producing a toner of a custom color in a developer unit including a housing defining a reservoir for storing a supply of toner, a donor member for transporting toner to an imaging surface; including: identifying custom color requested; determining color... | 01/31/2006 |
| 6973280 | Image forming apparatus and liquid developer drying device A liquid-developer drying device includes a covering wall which has a facing surface covering and facing to part of an image-carrying body with a drying air passage between them. The image-carrying body carries developed image in a first direction along the drying a... | 12/06/2005 |
| 6907213 | Ink disposal in cartridges An apparatus for assisting in the removal or waste or excess ink and a method for disposal of ink from electrophotographic printers comprises providing electrophotographic ink from a source, combining the ink with an absorbable material in a container to form a soli... | 06/14/2005 |
| 6776099 | Central-ink supply system for multi-printer systems A multi-printer system comprising: a plurality of imaging apparatus, each said apparatus comprising at least one liquid-toner reservoir, containing liquid toner; a central source of toner concentrate; a toner concentrate conduit which connects the central source to ... | 08/17/2004 |
| 6647220 | System and method for conditioning a toner before development An image forming system and method of using the system includes a development station for developing an image, a replenishing source that stores toner mixed to a desired color and comprising at least two toner component colors, a conditioning station that... | 11/11/2003 |
| 6625415 | Liquid-development full-color electrophotographic device A liquid-development full-color electrophotographic apparatus utilizes a development section having a liquid toner as a liquid developer to form a toner image according to an electric field established between the development section and a photosensitive ... | 09/23/2003 |
| 6512907 | Liquid electro-photographic device capable of performing operational sequence including cleaning An operational sequence including a cleaning of a processing device shifting to the standby state in the process of shifting from a printing operation to a standby state of a liquid electro-photographic device of a tandem type is performed well. A process... | 01/28/2003 |
| 6493530 | Method for controlling density of liquid carrier in the toner images Method of a liquid process type electrophotographic apparatus forming a multicolor visible image on a surface of a photosensitive drum, which prevents the visible image after the second color from being disturbed. After a visible image of the first color ... | 12/10/2002 |
| 6473583 | Image forming apparatus having heating and cooling units An image forming apparatus includes an image processing circuit for, when a determination circuit for determining an image signal determines that the image signal is an image signal that makes a liquid toner film have a predetermined thickness or less, pe... | 10/29/2002 |
| 6447966 | Electrophotographic photosensitive body and wet electrophotographic apparatus This invention is to provide an electrophotographic photosensitive body used in a wet electrophotographic apparatus and including a substrate having a conductive surface, and a photosensitive layer formed on the conductive surface of the substrate and cha... | 09/10/2002 |
| 6411790 | Apparatus for feeding developing solution for a wet type electrophotographic color printer A developing solution feeder of a wet type electrophotographic color printer includes a plurality of circulation tanks for storing the developing solution to be fed to a developing unit; a plurality of injection nozzles for jetting the developing solution... | 06/25/2002 |
| 6349190 | Low cost process multicolor image reproduction machine A low cost process multicolor image reproduction machine includes a rotatable endless toner image receiving and transfer member for cyclically building up a multicolor image from a plural number of received color separation toner images; a sheet handling ... | 02/19/2002 |
| 6289191 | Single pass, multicolor contact electrostatic printing system Imaging system for effecting single pass, multicolor printing of a color image, wherein the imaging system includes a plurality of contact electrostatic printing engines operable in serial fashion upon a copy substrate, wherein each contact electrostatic ... | 09/11/2001 |
| 6184909 | Recording apparatus with rotatable liquid developer units enabling agitation of liquid developer Provided a color recording device for developing a color image with the use of liquid developer in which toner is dispersed, in which liquid developer having a high toner density is preferably used for printing a fine image, which however causes a problem... | 02/06/2001 |
| 6141517 | Liquid development apparatus for developing electrostatic latent images using a plurality of electrodes A liquid development and transfer apparatus includes a plurality of developing electrodes for supplying developing solution to an electrostatic latent image carrier surface. The length of an effective development area adjacent the plurality of developing ... | 10/31/2000 |
| 6137976 | Image formation apparatus using a liquid developing agent A multi-color image formation apparatus that has multiple developed image formation devices, each corresponding to one color. Each of the developed image formation devices has a photosensitive member, charging apparatus that charges the photosensitive mem... | 10/24/2000 |
| 6125254 | Ink leakage prevention system for liquid electrophotographic printer having a development tray An ink leakage prevention system, for a liquid electrophotographic printer having a development tray, which includes a chassis, installed at a main body of the printer, a development tray, installed at the lower portion of a development unit and is detach... | 09/26/2000 |
| 6118466 | Method and apparatus for controlling concentration of developer in developing reservoir of wet printer A method for controlling concentration of a developer in a developing reservoir of a wet printer includes the steps of counting image data output from a system controller to a laser scanning unit to form an electrostatic latent image on a photosensitive m... | 09/12/2000 |
| 6115576 | Image forming apparatus using a developing liquid and including an intermediate transfer body In an image forming apparatus, a developing device develops an electrostatic latent image formed on an image carrier with a developing liquid to thereby produce a corresponding toner image. The toner image is transferred from the image carrier to an inter... | 09/05/2000 |
| 6072971 | Photo injection electrographic imaging In an electrophotographic printing machine, a layer of insulating fluid containing micelles is positioned over a photoreceptor. The micelles are migrated onto the surface of the photoreceptor. The photoreceptor is exposed to inject charge carriers into th... | 06/06/2000 |
| 6069641 | Ion flow recording apparatus and liquid developing method An ion flow recording apparatus performs recording making density modulation every pixel. When developing on a fine grain toner is to be performed using a liquid developer for an electrostatic latent image, a developing unit (developing roller) is dispose... | 05/30/2000 |
| 6070034 | Liquid electrophotographic developing arrangement In the particular embodiments described in the specification, a liquid electrophotographic developing arrangement includes four developing units disposed adjacent to the image-bearing surface of an electrophotographic member, each developing unit containi... | 05/30/2000 |
| 6049684 | Image formation apparatus An image formation apparatus for performing development by supplying to a photosensitive body a developing solution containing toner includes a developing roller; a developing solution supply port; a squeeze roller for wiping off an unnecessary portion of... | 04/11/2000 |
| 6009294 | Addressable toner applicator and method and apparatus for enhancing custom color characteristics in a contact electrostatic printing apparatus A contact electrostatic printing (CEP) apparatus and method provide custom color capabilities. Custom colors can be provided by combining two or more toner layers of different color. Correction of custom color toner patches can also be performed by combin... | 12/28/1999 |
| 6002893 | High and low pigment loadings for custom colors Custom color control techniques are extended by using a high and a low pigment loaded toner for each color of the primary colors in the printing system. In one application, a large gamut of colors and fine control of color is accomplished by using a minim... | 12/14/1999 |
| 5970273 | Ink cartridge for liquid electrographic imaging devices An ink cartridge for use in an ink replenishment system in an electrographic imaging device. The removable ink cartridge is configured to engage with a cartridge interface assembly and a detector in an ink cartridge bay on an electrographic imaging device... | 10/19/1999 |
| 5963758 | System and method for maintaining color density in liquid toners for an electrographic printer A system for substantially maintaining color density in liquid toners for electrographic printers is disclosed. The system includes means for substantially continuously supplying toner concentrate to a printer and means for substantially continuously with... | 10/05/1999 |
