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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 8139982 | Image formation apparatus and printed item The invention provides an image formation apparatus having at least a first toner image-forming unit that forms a first toner image which directly contacts a surface of a recording medium, a second toner image-forming unit that forms a second toner image which is di... | 03/20/2012 |
| 8099024 | Systems and methods of producing gradient index optics by sequential printing of toners having different indices of refraction Systems and methods of producing image products using printing are provided. The image products are produced by sequentially applying a base image, a first clear toner and a second clear toner. The first clear toner forms one or more lenses, and the first and second... | 01/17/2012 |
| 7974554 | Method for imprinting a recording medium In a method or system for printing of a recording medium, potential images are generated on a potential image carrier. A developer liquid is used that comprises a transparent photo-polymerizable carrier liquid and charged colorant particles. The developer is transpo... | 07/05/2011 |
| 7965961 | Printing of raised multidmensional toner by electography Electrographic printing of raised multidimensional toner shapes having a particular profile by electrographic techniques. Such electrographic printing comprises the steps of forming a desired print image, electrographically, on a receiver member utilizing predetermi... | 06/21/2011 |
| 7941078 | Electrophotographic image forming apparatus having transparent toner An electro photographic image forming apparatus includes first and second photosensitive bodies, first and second exposing units to form electrostatic latent images on the first and second photosensitive bodies each of which being charged to a uniform electric poten... | 05/10/2011 |
| 7831178 | Printing of optical elements by electrography Electrographic printing of one or more optical elements having a particular profile by electrographic techniques. Such electrographic printing comprises the steps of forming a desired print image, electrographically, on a receiver member utilizing predetermined size... | 11/09/2010 |
| 7526235 | Image-forming device An image-forming device includes 1st to Nth image bearing members, 1st to Nth developing units provided in one-to-one correspondence with the 1st to Nth image bearing members, and a transfer unit. N is an integer number equal to or g... | 04/28/2009 |
| 7406281 | Image forming apparatus and method thereof An image forming apparatus is provided that forms an image with liquid developer, and a method thereof. The image forming apparatus includes a plurality of photoconductors on which developer images having carrier rates different from each other are formed with corre... | 07/29/2008 |
| 7248820 | Color image forming apparatus and a method for operating In order to provide a color image forming apparatus and its control method capable of obtaining high-quality output images without image variations or the like even when the kind of image is changed, there is provided a color image forming apparatus including a plur... | 07/24/2007 |
| 7172543 | Conductive roller A conductive roller including a core metal and a conductive elastic layer disposed on a peripheral surface of the core metal. The conductive roller has an electrostatic capacity not more than 50 pF at 100 Hz and an electric resistance not less than 105Ω ... | 02/06/2007 |
| 7164494 | Color separation of pattern color spaces and form XObjects A system optimizes a process for creating color separation for a document with a graphical container using a cache by creating a high-level representation of the container as a separated element in the cache; and using the separated element in the cache when the gra... | 01/16/2007 |
| 7135260 | Imaging system The invention provides an imaging system wherein toners of two or more colors are used to form toner images and the toner images are successively used to form a color image on a recording material. The imaging system can form an image with high transfer efficiency. ... | 11/14/2006 |
| 7066668 | Method of creating an image replacement document for use in a check truncation environment and an apparatus therefor An image replacement document (IRD) is created in a single feed of sheet of material through a feeder. A print file having a MICR portion and a non-MICR portion is built based upon IRD data. The IRD data used to build the print file may be from an external applicati... | 06/27/2006 |
| 7035575 | Developing device, image forming apparatus, and process cartridge A developing device configured such that an amount of weakly charged toner in a two-component developer passing through an opening in the device per unit time is not greater than 200 g·mm/min, wherein the amount of weakly charged toner is expressed by an equation, ... | 04/25/2006 |
| 6993255 | Method and apparatus for providing adaptive illumination An illumination system (20, 72, 110, 142) for illuminating a scene comprising: an illuminator (24, 74, 116) having a plurality of substantially contiguous independently controllable light (26, 76) providing regions each of which provides light t... | 01/31/2006 |
| 6968148 | Image adjusting method and image forming apparatus Images based on each of a plurality of color components are formed; the formed images are transferred on each transfer medium to form an image quality determining image; the image quality of the image quality determining image is determined on the basis of the detec... | 11/22/2005 |
| 6928255 | Image forming apparatus including developing gap between image and developer carriers An image forming apparatus includes a latent image carrier that carries an electrostatic latent image, a developer carrier that carries a two-component developer containing toner and magnetic particles, and an electric field forming device that forms a developing el... | 08/09/2005 |
| 6885841 | Image forming apparatus and color superimposition adjustment method of image forming apparatus Each of a plurality of combined images is formed separately for each image carrier with respect to a length related to the circumference length (Dp×π) of the image carrier. There is provided a combined-image adjusting section for forming a combined image so that a... | 04/26/2005 |
| 6671479 | Selective depopulation and/or repopulation of a full color image forming device The selective depopulation and/or repopulation of a full color image-next-to-image or image-on-image print engine for generating monochrome and/or highlight color images, utilizing a multiplicity of functionally-equivalent substations in tandem to compens... | 12/30/2003 |
| 6374072 | Electrographic printer device with additional color printing unit as well as method therefor An electrographic printer device contains a first printing unit and a second printing unit, each printing unit containing at least one developer unit. A second developer unit in the second printing unit employs a coating method that works without contact,... | 04/16/2002 |
| 6360070 | Image forming apparatus including a plurality of closely spaced transfer stations for sequentially transferring aligned, superimposed image portions to a printing medium Assuming the photosensitive drum for black as a reference, the phase of the adjacent photosensitive drum for cyan leads by about 60 deg. Similarly, the phase of the photosensitive drum for magenta leads by about 120 deg., and the phase of the photosensiti... | 03/19/2002 |
| 6266073 | Four beam electrophotographic printing apparatus A method and apparatus for an electrophotographic color printer. The method of developing a color image onto a photoconductor includes providing a single base charge to the photoconductor and then using a cascade of developer potentials for the toners in ... | 07/24/2001 |
| 6188860 | Method and arrangement for developing a plurality of electrostatic images on a substrate In the particular embodiment disclosed in the specification, an electrostatic image forming arrangement includes a photoreceptor in the form of a continuous belt which is moved past four development stations each containing a different colored toner which... | 02/13/2001 |
| 6184914 | Electrophotographic printing system and method, using toners that exhibit different charge states An electrophotographic imaging system produces multiple gray level images and includes a photoconductor and a charger for repetitively charging the photoconductor to a first charge potential. A laser system selectively discharges the photoconductor in acc... | 02/06/2001 |
| 6148168 | Apparatus for forming superimposed image patterns having controlled densities The image forming apparatus includes: an image forming portion having a multiple image forming stations each forming a color separated image; a transfer device for superimposing and transferring color separated images; a pattern image forming device for f... | 11/14/2000 |
| 6088477 | System for controlling an amount of undercolor removal based on a grayness signal, a darkness signal, and a black signal A color image processing system for performing undercolor removal. The system includes input of a color image signal, generation of a grayness signal from the color image signal, generation of a darkness signal from the color image signal, and performance... | 07/11/2000 |
| 6047155 | Color printing machine having AC pretransfer toner treatment A color electrophotographic printer that prepares a composite toner image for transfer by exposing an image area containing the composite toner image to an erase lamp and then running the composite toner image by an AC scorotron.... | 04/04/2000 |
| 5999783 | Multiple charging of a toner image for transfer An electrophotographic machine has a photoreceptive member supporting a composite color toner image formed of multiple layers of different colored toners. The composite toner image is pre-transfer charged at a first voltage level and recharge at a second ... | 12/07/1999 |
| 5985499 | Method and apparatus for forming two toner images in a single frame A composite toner image made up of first and second toners is formed on an image member. A first electrostatic image of a first polarity is formed on the image member. That electrostatic image is toned with a first toner of the first polarity. The image m... | 11/16/1999 |
| 5963764 | Method and image-forming apparatus for forming at least two toner images in register on a charge retentive medium A method of, and image-forming device for, forming at least two toner images in register on a rotatable charge retentive medium. To that end, within one revolution of the charge retentive medium, the method: applies a first charge image according to a fir... | 10/05/1999 |
| 5926679 | Method and apparatus for forming an image for transfer to a receiver sheet using a clear toner and sintering of a pigmented toner layer An electrostatographic method and apparatus of forming a toner image on a receiver. In order to improve transfer of a pigmented toner image to a receiver, a clear toner layer is applied to a support member. The pigmented toner image is applied over the cl... | 07/20/1999 |
| 5926674 | Reverse polarity split recharge in recharge-expose-and-develop image on imaging printing A Recharge-Expose-and-Develop Image on Image color electrophotographic printing system in which the photoreceptor is recharged between development of one color of toner image and the subsequent exposure for a second color latent image by first being spray... | 07/20/1999 |
| 5893658 | Image plane registration system for electrographic systems A method and apparatus for minimizing image banding and for registering multiple image planes of a single image on a receptor drum in electrographic systems. The system for registering multiple image planes of a single image in an electrographic system in... | 04/13/1999 |
| 5848337 | Electrical biasing scheme for preventing overplating in an image-on-image electrostatographic printing system A method and apparatus for eliminating undesirable development of background charge potentials in a multicolor electrostatographic system is disclosed, wherein the application of a developer bias at a given development station is selectively controlled to... | 12/08/1998 |
| 5848335 | Internal erase before last development in color electrophotographic printing A multistation color electrophotographic printer having an erase lamp located opposed to or before the last physical developer housing, but after the first physical developer housing.... | 12/08/1998 |
| 5797070 | Image-forming apparatus featuring a plurality of image forming means An image forming apparatus includes at least a first image-forming unit provided with a first latent image-holding member, a first latent image-forming device, a first developing device for developing a first latent image with a first toner to form a firs... | 08/18/1998 |
| 5794106 | Erase before D.C. recharge in color electrophotographic printing A color REaD IOI system in which a light source illuminates the photoreceptor so as to erase that photoreceptor after the development of black toner but before exposure and development of the next color image.... | 08/11/1998 |
| 5778289 | D.C. recharge to reduce cross contamination in the read IOI process A color REaD IOI system in which the photoreceptor is DC only recharged between the development of the first toner layer and the subsequent exposure and development of the following toner layer. To assist the DC only recharge the photoreceptor and the fir... | 07/07/1998 |
| 5778288 | Erase before A.C. recharge in color electrographic printing A color REaD IOI system in which a light source illuminates the photoreceptor so as to erase that photoreceptor after the development of a first toner followed by a high slope AC corona system which recharges both the photoreceptor and first developed ton... | 07/07/1998 |
| 5774771 | Image forming method and apparatus using a particular toner An image forming method has a developing step of developing an electrostatic latent image by the use of a developer to form a toner image on an electrostatic latent image bearing member, a primary transfer step of transferring the toner image onto an inte... | 06/30/1998 |
