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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8185007 | Transfer device, image forming apparatus and control method of transfer device A transfer device includes: a transfer section for transferring a toner image on an image carrier onto a sheet passing through a nip portion which is formed between the transfer section and the image carrier; an application section for applying a voltage to the tran... | 05/22/2012 |
| 8180238 | Voltage control in an image forming apparatus An image forming apparatus includes an image carrier for carrying developer image, a transfer device configured to transfer the developer image to a recording media, a forward bias applying circuit configured to apply a forward bias voltage to the transfer device, a... | 05/15/2012 |
| 8180239 | Image forming apparatus An image forming apparatus including an image carrier; a transfer member, which is provided in a face-to-face relation to the image carrier and to which a transfer bias is applied; a first sensor that measures a resistance value of a section between the image carrie... | 05/15/2012 |
| 8175478 | Image forming apparatus controlling the position of a convey member with respect to the toner image position based on sensed indicies An image forming apparatus includes an image bearing member; a transfer portion that transfers a toner image; a conveying member that conveys a recording material; a conveying member position index sensing member that senses a conveying member position index fixed t... | 05/08/2012 |
| 8175479 | Transfer device and image forming apparatus having first and second transfer nips and first and second contacting members which apply transfer biases An image forming apparatus includes an intermediate transfer belt, a photosensitive belt, a primary transfer roller, a secondary-transfer opposing roller, and a secondary transfer roller. The photosensitive belt comes into contact with a surface of the intermediate ... | 05/08/2012 |
| 8175477 | Image forming apparatus including position adjusting member An image forming apparatus includes an image carrier, an endless intermediate transfer member having a transport surface and being tensioned to transport a developer image, transferred from the image carrier to the intermediate transfer member, from a first transfer... | 05/08/2012 |
| 8165484 | Image forming apparatus with control of transfer voltage At a time for resetting a transfer voltage after a predetermined time period from the performance of ATVC in both a color mode and a monochrome mode, ATVC is performed only in a currently running mode. A transfer voltage in another mode that the ATVC has not been pe... | 04/24/2012 |
| 8160465 | Image forming apparatus and control method thereof An image forming apparatus and a control method thereof to improve quality of an image in consideration of a change in posture of a print media. The image forming apparatus can include a transferred unit on which a visible image is formed, a transferring unit to for... | 04/17/2012 |
| 8150286 | Apparatus and methods for image and print blanket life enhancement Apparatus and methods for improving print quality and print blanket life in liquid electrostatic printing, for example, forming a first toner image on an image surface; first transferring the first image to an intermediate transfer member; then transferring of the f... | 04/03/2012 |
| 8145085 | Image forming apparatus The image forming apparatus includes a transfer device, an applying circuit, a computation circuit, and a controller. The applying circuit applies transfer bias voltage to the transfer device. The computation circuit derives relational expressions (a linear expressi... | 03/27/2012 |
| 8145084 | Image processing apparatus and method An image forming apparatus controls the conveyance speed of a transfer material at the time a leading edge of the transfer material enters a transfer nip, to be slower than the moving speed of an image bearing member. Furthermore, the image forming apparatus control... | 03/27/2012 |
| 8139968 | Image forming apparatus An image forming apparatus includes an image forming mechanism, a transfer mechanism including a first endless belt receiving a toner image formed on an image carrier and a second endless belt receiving the toner image formed on the first endless belt, a first detec... | 03/20/2012 |
| 8139967 | Image forming apparatus having an image carrying area switching part which switches image carrying areas on an intermediate transfer part An image forming apparatus of the present invention includes an image carrier, an intermediate transfer part, a primary transfer part, a secondary transfer part, and a transfer area change part. The image carrier is configured to carry a visible image formed with de... | 03/20/2012 |
| 8121505 | Hybrid printing system A hybrid printing system includes (a) a media path assembly having an image transfer/transport unit for receiving and moving media to a fusing apparatus; (b) a process color image output terminal (IOT) assembly including first imaging components for forming and tran... | 02/21/2012 |
| 8121506 | Image forming apparatus An image forming apparatus includes: an image carrier that carries a developed image that has been developed on a surface thereof using a developer; a transfer member that transfers the developed image from the image carrier to a belt-shaped member; an electric powe... | 02/21/2012 |
| 8116648 | Image forming apparatus An image forming apparatus is provided. When a user inputs a print request, life count values stored in a life management section are read out. A table of correlation between the life count values and a rotating speed of a driving roller is looked up, a rotating spe... | 02/14/2012 |
| 8103182 | Image forming apparatus taht includes a transfer member that can be separated from an inner circumferential surface of a transfer belt when belt is rotating An image forming apparatus includes a transfer roller that can be separated from an intermediate transfer belt. When an operational mode is switched from a multicolor mode to a mono-color mode, the image forming apparatus changes a rotational speed of the intermedia... | 01/24/2012 |
| 8095028 | Image forming apparatus and image forming method A driving motor for a color black is shared between a photosensitive body for the color black and a driving roller that drives an intermediate transfer belt not shown. Furthermore, a driving motor for colors yellow, magenta, and cyan is shared between photosensitive... | 01/10/2012 |
| 8086127 | Adaptive transfer performance regulation by feedback and control An adaptive approach is described that maximizes xerographic transfer efficiency, i.e. minimizes post toner image transfer residual mass, in response to changes in operational conditions, variations in material, and/or changes in other factors that may otherwise adv... | 12/27/2011 |
| 8081892 | Image forming apparatus Bias correction control of an intermediate transfer belt 21 on which an image of each color formed on a surface of a photoconductive body 31 is transferred, and a second transfer belt 24 in pressure contact with the intermediate transfer belt | 12/20/2011 |
| 8068755 | Image forming apparatus An image forming apparatus is provided in which image forming sections are provided along an intermediate transfer member and in which a test voltage is applied to a transfer member to control a transfer voltage. In the image forming apparatus, the test voltage is a... | 11/29/2011 |
| 8068756 | Image forming apparatus and control method The present invention provides an image forming apparatus comprising an image forming unit configured to form an image on an image carrier, a transfer unit configured to transfer the image formed on the image carrier onto a transfer medium, a voltage applying unit c... | 11/29/2011 |
| 8064786 | Image forming apparatus An image forming apparatus is configured to select one of electrically discharging of an intermediate transfer member carried out by applying a voltage to a primary transfer member and electrically discharging of the intermediate transfer member carried out by apply... | 11/22/2011 |
| 8059979 | Control of a power supply for a transfer unit in an image forming apparatus An image forming apparatus has a transfer unit, a power supply unit that takes a value of a current imparted to the transfer unit as a control target and that supplies power conforming to the value of the control target to the transfer unit; and a determination unit... | 11/15/2011 |
| 8059980 | Image forming apparatus with improved transfer roller An image forming apparatus is provided with an image bearing member for transferring an image to a transfer material using a developer, a transfer roller arranged in contact with the circumferential surface of the image bearing member for forming a transfer nip port... | 11/15/2011 |
| 8059981 | Image forming apparatus and control method therefor An image forming apparatus includes an image carrier, an exposure mechanism, a latent-image forming mechanism, at least one image forming mechanism including a development mechanism to develop the latent image, an intermediate transfer member disposed to contact the... | 11/15/2011 |
| 8050582 | Image forming apparatus In a black monochromatic mode, an intermediary transfer belt is separated from an upstream photosensitive drum in a state in which a downstream photosensitive drum contacts the intermediary transfer belt. At this time, a stretching roller is moved upwardly in interr... | 11/01/2011 |
| 8045875 | Image forming apparatus and image forming method capable of generating stable transfer electric field An image forming apparatus includes an image carrier for carrying a toner image and a transfer device. In the transfer device, a voltage applier applies a predetermined voltage to a transfer electric field generator. A potential measurement device measures a surface... | 10/25/2011 |
| 8041243 | Image forming apparatus and image forming method capable of effectively transferring toner images A first degradation degree detector detects a first degradation degree of one of a plurality of image forming devices for forming toner images, respectively, which is provided at an extreme downstream position in a direction of rotation of an intermediate transfer m... | 10/18/2011 |
| 8041244 | Image forming apparatus An image forming apparatus includes first and second image forming units respectively including first and second photosensitive members and first and second toner image forming devices for forming a toner image on the first and second photosensitive members respecti... | 10/18/2011 |
| 8027606 | Image forming apparatus with condition setting for manual duplex mode Provided is an image forming apparatus including an image forming section forming images on image forming faces of a recording medium, a condition setting section individually setting an operating condition of the image forming section for forming the image on a fir... | 09/27/2011 |
| 8023849 | Image forming apparatus and image forming method An image forming apparatus, including: an image carrier for carrying an image; a transfer roller including a holder member that holds a transfer material, a groove portion in which the holder member is disposed, and an elastic member disposed over the transfer rolle... | 09/20/2011 |
| 8019246 | Image forming apparatus An image forming apparatus includes an image bearing member for carrying a toner image; a transfer member for cooperating with the image bearing member to form a nip to transfer a toner image onto a transfer medium; transfer voltage applying means for applying a tra... | 09/13/2011 |
| 8010005 | Image forming apparatus An image forming apparatus includes a transfer device, a voltage applicator, a current sensor, and a discharge detector. The transfer device transfers a toner image from one surface to another by developing an electrical field across a transfer gap when provided wit... | 08/30/2011 |
| 8010004 | Belt transfer device A belt transfer device according to the present invention includes an intermediate transfer belt, a transfer member, a shifter, a detector, and a controller. The transfer member primarily transfers a toner image from an image carrier to the intermediate transfer bel... | 08/30/2011 |
| 8005387 | Apparatus for forming multi-color image with control of unintended reverse-transfer of developer image onto photoconductor An apparatus for forming a multi-color is disclosed which includes a controller that performs an anti reverse-transfer control such that a surface potential of a previously-formed separated-developer-image subset of a plurality of single-color separated-developer-im... | 08/23/2011 |
| 8000621 | Image forming apparatus An image forming apparatus is configured to reduce follow-up delay in impedance fluctuation and to reduce an accuracy fall in power supply control. The image forming apparatus includes a transfer element, a supply element, a detection element, a modification element... | 08/16/2011 |
| 8000622 | Moving body controlling device, intermediate transferring device, and image forming apparatus having the same A disclosed moving body controlling device includes a first moving body driven by a first motor that is controlled by a first control unit, a second moving body driven by a second motor that is controlled by a second control unit and affecting movement of the first ... | 08/16/2011 |
| 8000620 | Image forming apparatus and transfer method thereof An image forming apparatus includes a moving unit including a conveyer belt which moves a printing medium, an attraction unit to attract the printing medium to the conveyer belt, a transferring unit to transfer developer onto the printing medium, a power supply whic... | 08/16/2011 |
| 7983580 | Image forming apparatus and control method thereof An image forming apparatus and a control method thereof to improve quality of an image in consideration of a change in posture of a print media. The image forming apparatus can include a transferred unit on which a visible image is formed, a transferring unit to for... | 07/19/2011 |
