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Electrophotography > Image Formation > Charging ChargingCharging patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.10/11/07 - 20070237547 - Use of nano-structure coatings for improved solid state charger performance According to various embodiments, the present teachings include electrophotographic charging devices and methods for charging a receptor with a solid state charging device. In an exemplary embodiment, the solid state charging device can include a dielectric layer, a first electrode disposed adjacent to a first surface of the dielectric layer, ... 10/11/07 - 20070237546 - Direct charging device using nano-structures within a metal coated pore matrix In accordance with the invention, there is an electrophotographic charging device comprising a first electrode, a second electrode adjacent the first electrode, a plurality of nanostructures adhering to the first electrode, and voltage supplies electrically connected to the first electrode and the second electrode, wherein the voltage difference between the ... 10/04/07 - 20070231010 - Electron emission element, charging device, process cartridge, and image forming apparatus An electron emission element according to the present invention is compact, thin and low cost, and has a structure and constitution in which deterioration of the electron emission material itself is low. In the electron emission element, boron nitride material is used as the electron emission material, and a metal ... 09/13/07 - 20070212111 - Electric charging device, and image forming apparatus Ions are produced without causing any accompanying corona discharge by applying, to ion generation needles positioned so as not to contact a photoconductor drum, a voltage higher than or equal to an ion production threshold voltage and lower than a corona discharge threshold voltage. The photoconductor drum is charged by ... 09/13/07 - 20070212110 - Electric conductive member, process cartridge and image forming apparatus An electrical conductive member is configured to prevent a shape distortion in gap retaining members caused by that the gap retaining members are fitted to an end surface of an electric resistance adjusting layer, and to be able to maintain a gap between the electric residence adjusting layer and an ... 05/10/07 - 20070104513 - Method and apparatus for electro photographic image forming capable of effectively performing an evenly charging operation An image forming apparatus includes an image bearing member, a charging roller and a pair of gap forming members. The image bearing member has a photoconductive surface including an image forming area for bearing an electrostatic latent image. The charging roller has a circular cross section with a first radius ... 05/10/07 - 20070104512 - Charge member, charge apparatus, process cartridge, and image forming apparatus A charge member that can reduce charge irregularities of a member to be charged caused by variations in the gap between the member to be charged and the charge member even when using a member to be charged (photosensitive member, and the like) that has circumferential fluctuations. The charge member ... 04/26/07 - 20070092298 - Charge roller, method for producing the same, and image-forming apparatus including the same A charge roller includes a core, a resistive layer disposed on a circumferential surface of the core to charge an image-bearing member without contact, and gap members formed of tape-shaped films. These films are fixed to both ends of the charge roller by winding each of the films in a ... 03/22/07 - 20070065178 - Conductive member, and charging roller, process cartridge and image forming apparatus using same A conductive member forming a charging roller having high durability which maintains a stable gap with respect to an abutting member, comprising a long conductive supporting body, an electrical resistance adjusting layer, and gap maintaining members, wherein, taking X2 to be the thickness of the portions of the gap maintaining ... 02/01/07 - 20070025769 - Discharge device, image forming unit and apparatus ΔV=I·d. ... 12/28/06 - 20060291905 - Electron emitter, charger, and charging method Provided are an electron emitter continuously emitting electrons stably even in the atmosphere, a charger using the electron emitter, and a charging method using the charger. The electron emitter includes a electron emitting element consisting of a first electrode, a second electrode, and a semiconductor layer formed therebetween, and a ... 12/14/06 - 20060280524 - Compact charging method and device with gas ions produced by electric field electron emission and ionization from nanotubes In accordance with the invention, there is an electrophotographic charging device comprising a first electrode, a second electrode adjacent the first electrode, a plurality of nanotubes adhering to at least one of the first electrode and the second electrode, and a voltage supply electrically connected to the first electrode and ... 10/05/06 - 20060222406 - Non-contact bias charge roll biased with burst modulation waveform A method of operating an electrostatographic printing apparatus, the apparatus including a charge-retentive member defining an imaging surface and a charging device for placing a charge on the imaging surface, a gap existing between the imaging surface and the charging device, including applying an electrical bias to the charge-retentive member ... 11/24/05 - 20050260013 - Digital control strip for flexogaphic printing A digital control strip, applicable to an imageable medium such as a printing plate, includes (A) a plurality of control fields each having a dot size different from that of another control field, wherein each of the control fields includes a plurality of subfields each having a coverage different from ... 08/25/05 - 20050185989 - Method and apparatus for electro photographic image forming capable of effectively performing an evenly charging operation An image forming apparatus includes an image bearing member having a photoconductive surface including an image forming area configured to bear an electrostatic latent image and a non-image forming area. A charging roller has a circular cross section with a first radius, the charging roller including a metallic core having ... 08/11/05 - 20050175374 - Charging unit and image forming apparatus incorporating the unit A charging unit is disclosed capable of reducing undue variation and fluctuation margin of a charging gap, and controlling accurately the proper gap durably over the change of environmental conditions, which is suitably incorporated into an image forming apparatus. The charging unit is configured to charge an image bearing member ... ### FreshPatents.com Support - Terms & Conditions |