| Patent Number |
Title Of Patent |
Date Issued |
| 7609999 |
Apparatus for charging an image transfer surface |
October 27, 2009 |
| An apparatus for charging an image transfer surface in an image transfer device includes a support member and a conductive polymer material surrounding an outer periphery of the support member. An inner portion of the conductive polymer material is loaded with a supplemental conducting |
| 7554566 |
Image development methods, hard imaging devices, and image members |
June 30, 2009 |
| Image development methods, hard imaging devices, and image members are described. According to one embodiment, an image development method includes providing an image member comprising a surface having different portions of different electrical conductivities, wherein one of the port |
| 7395020 |
Imaging methods, imaging devices, transfer assemblies, and transfer member lubrication assemblie |
July 1, 2008 |
| Imaging methods, imaging devices, transfer assemblies, and transfer member lubrication assemblies are described according to some aspects. According to one aspect, an imaging method includes forming a latent image using a first imaging member, using a marking agent, developing the latent |
| 7298993 |
Imaging methods, image engines, and photoconductor charging systems |
November 20, 2007 |
| Imaging methods, image engines, and photoconductor charging systems are described. According to one embodiment, an imaging method includes providing a charge device configured to provide an electrical charge to a surface of an imaging member which is usable for imaging, moving a surf |
| 7174114 |
Apparatus and method for reducing contamination of an image transfer device |
February 6, 2007 |
| An apparatus and method for reducing contamination of an image transfer surface in an image transfer device includes a charging device for charging the image transfer surface. An airflow control system ventilates the charging device and restricts airflow adjacent the image transfer s |
| 7050742 |
Hard imaging apparatus charging devices and hard imaging device charging methods |
May 23, 2006 |
| Aspects of the invention relate to hard imaging apparatus charging devices, imaging assemblies, imaging assemblies charging methods, and hard imaging device image bearing member charging methods. In one aspect, a hard imaging apparatus charging device is disclosed. The charging devic |
| 7035567 |
Apparatus and method for reducing contamination of an image transfer device |
April 25, 2006 |
| An apparatus and method for reducing contamination of an image transfer surface in an image transfer device includes a shield member configured to restrict airflow against the image transfer surface. |
| 7010259 |
Apparatus and method for cleaning an image transfer device |
March 7, 2006 |
| An apparatus and method for cleaning an image transfer surface in an image transfer device. The cleaning apparatus includes a first cleaning station and a second cleaning station positioned to consecutively clean the image transfer surface. The first and second cleaning stations apply cl |
| 6934486 |
Hard imaging device vapor removal systems, hard imaging devices, and hard imaging methods |
August 23, 2005 |
| Hard imaging device vapor removal systems, hard imaging devices, and hard imaging methods are described. According to one embodiment, a hard imaging device vapor removal system includes a supply path configured to supply air to an imaging region of a hard imaging device configured to use |
| 6862031 |
Imaging systems and methods |
March 1, 2005 |
| Imaging systems and methods are described. In one aspect, an ink layer having an electrorheological fluid composition including a suspension of colorant particles dispersed in an electrically insulating carrier fluid is formed on a surface of an electrically insulating layer supported by |
| 6759459 |
Colorless toner formulated to improve light fastness of ink jet prints |
July 6, 2004 |
| The present invention is drawn to colorless toner compositions for overcoating a print having an ink jet ink image printed thereon. The colorless toner can comprise: a toner resin and at least two additives independently selected from the group consisting of ultraviolet absorbers, fr |
| 6741827 |
Modified transfer-roll system and method for electrophotographic printing of the like |
May 25, 2004 |
| This disclosure relates to a modified transfer-roll system and method for electrophotographic printing or the like. A photoconductor, e.g., a photoconductive roller or belt, is provided for collecting a first photostatic charge in a selected form corresponding to an image to be print |
| 6723767 |
Colorless toner formulated to improve light fastness of ink jet ink prints |
April 20, 2004 |
| The present invention is drawn to colorless toner compositions for overcoating a print having an ink jet ink image printed thereon. The colorless toner can comprise: a toner resin and at least two additives independently selected from the group consisting of ultraviolet absorbers, fr |
| 6459870 |
Corona cartridge for charging photoreceptors in high-speed electrophotographic applications |
October 1, 2002 |
| A corona cartridge for charging a photoreceptor in high-speed electrophotographic applications may include a comb-like corona charging device electronically connected to operate with the photoreceptor, and one or more excess comb-like corona charging devices stored on a shaft or in a |
| 5596356 |
Toner ejection printer with dummy electrode for improving print quality |
January 21, 1997 |
| The present invention provides a method and apparatus for toner ejection printing that improves print quality by providing a pair of dummy electrodes positioned adjacent to the end shield electrodes, the dummy electrodes for improving print uniformity by maintaining a consistent char |
| 4733268 |
Voltage control bar for electrophotography |
March 22, 1988 |
| An electrophotographic apparatus is provided with an electrically conductive voltage control bar between the photoconductor drum or belt and the developer or developer/cleaner roll. The voltage control bar prevents toner filming on said cleaning roll, and makes it possible for that roll |
| 4477819 |
Optical recording medium |
October 16, 1984 |
| An optical recording medium comprising adjacent thin layers of two different materials, which, upon marking with an energy beam, form a marked area comprising an alloy or mixture of the two materials. The optical properties of the marked area has contrast sufficiently different from |
| 4368220 |
Passivation of RIE patterned al-based alloy films by etching to remove contaminants and surface |
January 11, 1983 |
| Aluminum-based alloy films and metallization layers that are patterned by reactive ion etching (RIE) are passivated by etching surface portions of the films or layers with a phosphoric-chromic mixture to remove contaminants and then oxidizing the exposed surface portions in an oxygen |
