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Class 399/174 - Contact


Subclass of Class 399 - Electrophotography
Definition: Subject matter wherein an electrical charge is applied to
No. of patents: 295
Last issue date: 03/06/2012


1                
NumberTitleIssue Date
8131185Charging device, development device, and image forming apparatus
A charging device includes a charging member and a charging power source portion. The charging member, in a sheet shape, is secured by contacting a region of an electrostatic latent image to be formed on a rotatable image carrier. The charging power source portion a...
03/06/2012
8126368Charge device, image formation assembly using the same, and image formation apparatus
A charge device includes a charging belt, an electrode member, a bias supplying unit and a discharge region forming member. The belt comes into contact with a charged body. The electrode member is in contact with a part of an inner peripheral surface of the charging...
02/28/2012
8005402Charging device, image forming apparatus and charging method
A technology capable of realizing a stable charging performance in an image forming apparatus employing a contact charging system is provided. A charging device is configured to have a charging member to which a prescribed bias voltage is applied and which comes int...
08/23/2011
7970319Charging apparatus, print engine that incorporates the charging apparatus, and image forming apparatus that incorporates the print engine
A charging apparatus includes a charging member and at least one projection formed on the charging member. The charging member includes a surface that faces the surface of a photoconductive body. The at least one projection is formed on the first surface to extend i...
06/28/2011
7867685Image forming method and apparatus
An image forming method, including charging a photoreceptor with a charger contacting thereto; irradiating the photoreceptor to form an electrostatic latent image thereon; developing the electrostatic latent image with a toner to form a toner image on the photorecep...
01/11/2011
7787804Charging member, charger apparatus with charging member, and image forming apparatus having charger apparatus
A charging member for electrically charging a substrate has a charge layer to be brought into contact with the substrate, an intermediate layer supporting the charge layer, and a support member supporting the intermediate layer. The intermediate layer has a first po...
08/31/2010
7706724Charging-roller bearing member, process cartridge, and image forming apparatus
A first bearing member and a second bearing member fit in a first side and a second side of a rotating shaft in the axial direction, respectively. The first bearing member is held by a supporting portion provided in a casing on a side corresponding to an emplacing m...
04/27/2010
7664433Cleaning of a charging member in an image forming apparatus
An image forming apparatus includes a charging device for charging a photosensitive element having a moving surface, by bringing a charging roller, to which voltage is applied, into pressure-contact with the photosensitive element, wherein to the charging member the...
02/16/2010
7593670Charging device including a contact charging member with silica thereon, process cartridge including a contact charging member, and image forming apparatus including such charging member
A charging device for electrically charging an image bearing member, includes a contact charging member contactable to the image bearing member to charge the image bearing member, the contact charging member being supplied only with a DC voltage; and a contact membe...
09/22/2009
7539442Charging unit, process unit including the same, and image forming apparatus including the same
A charging unit available in a process unit detachably attached to an image forming apparatus includes a charging member configured to uniformly charge a surface of an image carrying member while contacting the image carrying member, and a charge bias applying unit ...
05/26/2009
7370114Software downloading using a television broadcast channel
A software distribution architecture having a television broadcast system as its infrastructure. Software from a software repository (1600) is mixed into a television broadcast system and transmitted into one or more selected channels at prescribed dates and ...
05/06/2008
7366448Charging member including coated and uncoated metal oxide particles
A charging member is disclosed having a support and at least one cover layer provided on the support., The cover layer has an outermost layer of the cover layer placed at the outermost surface of the charging member; the outermost layer contains i) composite particl...
04/29/2008
7366447Image forming apparatus having non-contact charging roller
Flanges are pressed into opposite ends of a photoreceptor drum. A noncontact charging roller is arranged so as to face, but have no direct contact with, the photoreceptor drum. On both end portions of the noncontact charging roller, spacers are provided for maintain...
04/29/2008
7354685Photoconductive imaging members
A photoconductive member comprised of a hole blocking layer, a photogenerating layer, and a charge transport layer comprised of a polymer with a low dielectric constant and a charge transport component. ...
04/08/2008
7341813Electrophotographic photoreceptor, electrophotographic member, process cartridge and image forming apparatus
The present invention provides an electrophotographic photoreceptor and an electrophotographic member, which have superior mold releasing and sliding properties and are able to maintain these properties over long periods of time, the photoreceptor comprising a first...
03/11/2008
7327965Charging units capable of use in and image forming apparatus having different processing speeds
Charging unit(s) is/are made versatile enough to be used in a plurality of image forming apparatus models having different processing speeds. Furthermore, in the context of an electrophotographic image forming apparatus permits selective switching between/among proc...
02/05/2008
7321941Network routing utilizing a product code
A method for utilizing a product code having product information contained therein for interfacing over a network. The product information is extracted from the product code, which product code is disposed on or in close association with an associated product. In re...
01/22/2008
7309270Electron beam apparatus and spacer
A spacer on which static electricity is restricted and an electron beam apparatus in which the spacer is provided. In the electron beam apparatus comprising an electron source provided with electron emission devices, a face plate provided with anodes and spacers ins...
12/18/2007
7298993Imaging methods, image engines, and photoconductor charging systems
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 imag...
11/20/2007
7295788Image forming apparatus and process cartridge
An image forming apparatus includes an object to be charged whose surface moves. A charging device for charging the object uses an electrical discharge generated by applying a voltage including an alternating current component to a charging member provided in contac...
11/13/2007
7291663Conductive elastomer composition, conductive roller, and conductive belt
A conductive roller or a conductive belt is composed of a conductive elastomer composition including a polymer composition having a plurality of carbon-to-carbon double bonds and containing not less than 40 mol % of ethylene oxide; an organometallic salt containing ...
11/06/2007
7289753Image forming apparatus and charging unit therefor
An image forming apparatus includes an image bearing member, and first and second chargers. Each of the chargers includes a magnetic member for generating magnetism, has a holding member for holding magnetic particles by a magnetic force, and charges the image beari...
10/30/2007
7287091Method and apparatus for opening and launching a web browser in response to an audible signal
The present invention disclosed and claimed herein comprises a system and method for launching a web browser on a network comprising a computer having an all new input interface and a communication interface coupled to a computer network; said audio input coupled to...
10/23/2007
7284066Method and apparatus for matching a user's use profile in commerce with a broadcast
A method for advertising over a network and broadcast media combination. A user's computer at a location on the network is operable to receive a signal from a broadcast generated by an advertiser, which signal has embedded therein unique coded information. The user'...
10/16/2007
7270925Image carrier and developing device incorporated in image forming apparatus
An electrostatic latent image is formed on an image carrier. In the image carrier, a photosensitive layer is provided so as to cover a conductive substrate. Conductive particles are dispersed in the photosensitive layer, such that some of the particles are exposed a...
09/18/2007
7267914Electrophotographic photoconductor, process cartridge, image forming apparatus and image forming method
An electrophotographic photoconductor, including an electrically conductive substrate, an undercoat layer containing a filler and a binder resin and provided on the substrate, and a photoconductive layer provided on the undercoat layer and containing a binder resin....
09/11/2007
7257619Bar code scanner and software interface interlock for performing encrypted handshaking and for disabling the scanner or input device in case of handshaking operation failure
An interlocking architecture for a software interface and a bar code scanner. Upon power-up, a handshaking operation is performed between a scanner (1600) having a scanner processor (2600) and a computer processor (2612) of a computer (302
08/14/2007
7257614Digital ID for selecting web browser and use preferences of a user during use of a web application
A browser configuration architecture where input of a unique user ID automatically configures those browser applications preselected for auto-configuration from entries of a user preferences sheet. The user preferences sheet (2500) is part of the browser cont...
08/14/2007
7257357Photoreceptor charging systems and methods
Embodiments herein comprise a charging station adjacent a photoreceptor. The charging station is adapted to charge the document zone of the photoreceptor with a first negative voltage and to charge the inter-document zone of the photoreceptor with a second negative ...
08/14/2007
7251437Image formation apparatus having a body to be charged with specified properties and including the use of a protective material
An image formation apparatus including at least a moving body to be charged, a charging device for charging the body to be charged using discharge caused by applying a voltage to a charging member provided in contact with or proximity to the body to be charged, a la...
07/31/2007
7239831Image forming apparatus when a maximum developing bias voltage |V| max and surface potential Vd of a charged image bearing member satisfy: |V| max≦|Vd|
An image forming apparatus includes an image bearing member; a charging device for electrically charging the image bearing member; a rotatable developer carrying member for carrying a developer to develop an electrostatic image formed on the image bearing member wit...
07/03/2007
7232635Image forming method, image forming apparatus, and processing cartridge
A method of forming a toner image employing a photoreceptor is described. The photoreceptor comprises a photosensitive layer on a cylindrical conductive substrate, Formula (1) and Formula (2) are held, 0
06/19/2007
7233755Image forming apparatus
An image forming apparatus which reduces abrasion of a photosensitive drum caused by a rotary brush such as an charging brush for electrically charging the surface of a photosensitive drum or a cleaning brush for cleaning the surface of a photosensitive drum. The ro...
06/19/2007
7233758Developing apparatus featuring a developer carrying member with an elastic surface layer
A developing device includes a rotatable developer carrying member for carrying a developer to develop an electrostatic image formed on an image bearing member with the developer; non-rotatable magnetic field generating means, disposed inside the developer carrying ...
06/19/2007
7231158Image forming apparatus having a fixing device with improved temperature detection features
An image forming apparatus includes a fixing device having a pressure roller. The surface of the pressure roller is coated with a PFA resin and has an average surface roughness Ra of 0.05 to 0.13 μm. A thermister is provided to detect the surface temperature of the...
06/12/2007
7228282Method and apparatus for directing an existing product code to a remote location
A method for interfacing a user location on a network to a destination location on the network is disclosed. A bar code having product information contained therein relating to an associated product is first scanned with a scanner, which bar code has no network rout...
06/05/2007
7215908Non-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 charg...
05/08/2007
7212779Electroconductive brush and copying device for electrophotography
The purpose of the invention is to provide a conductive brush excelling in functionality and being useful as a cleaning brush in the color copier using the color toner of fine grain than before. The present invention is a conductive brush, which comprises a b...
05/01/2007
7209683Charging roller featuring specified ratio of storage elastic modulus and dynamic viscoelasticity values and process cartridge and electrophotographic apparatus featuring the same
Charging roller has at least a support member and a conductive covering member, the charging roller where a value of tan δ expressed in a ratio of a storage elastic modulus and a loss elastic modulus by dynamic viscoelasticity in a cross sectional direction of the ...
04/24/2007
7194228Charging apparatus, process cartridge, and image forming apparatus
A charging apparatus having a charging device for contact charging a rotatable member. The charging device rotates upon reception of a drive force from a drive force transmitting device. The axis of rotation of the charging roller and the axis of rotation of the pho...
03/20/2007
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