"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 8139985 | Developing apparatus and image forming apparatus using same A developing apparatus using a two-component developer constituted by a magnetic carrier and a toner, and an image forming apparatus comprising the developing apparatus. A developing unit and a stirring unit are provided, and in order to suppress toner scattering th... | 03/20/2012 |
| 7968267 | Method for developing an electrostatic latent image The purpose is to provide, in a development apparatus using a two-component developer, a compact development apparatus, image forming apparatus and development method that prevents carrier deterioration and that can carry out good image formation over a long time pe... | 06/28/2011 |
| 7957677 | Developing device and image forming apparatus using the same A developing device that forms a toner image on an image carrier, including: a cleaning device that recovers a toner that remains on the image carrier; a recovered toner supply port to which a recovered toner is returned; a toner transporting section that transports... | 06/07/2011 |
| 7925186 | Developing device and image-forming apparatus A developing device includes (a) a developing member; (b) a developer container; (c) a partition member that partitions an interior of the developer container into a primary chamber and a secondary chamber; and (d) a developer-conveying unit that is disposed in the ... | 04/12/2011 |
| 7925187 | Development device, image forming apparatus and development method A development device including a development roller to bear a development agent including toner, a development agent supplying roller which is provided adjacent to the development roller to supply the development agent to the development roller, a regulation applica... | 04/12/2011 |
| 7738814 | Development apparatus, image-forming apparatus and developing method using reverse polarity particles A development apparatus and an image forming apparatus capable of minimizing deterioration of a carrier for a long time, even in a case of continuous formation of images of a smaller image area ratio. The charging of toner is assisted by using a developer composed o... | 06/15/2010 |
| 7734227 | Developing device and image-forming apparatus using multiple-component developer A developing device 2a, which is provided with: a developer tank 16 that houses a developer 24 containing a toner, a carrier for charging the toner and reverse polarity particles that are charged with a polarity reversed to the electrosta... | 06/08/2010 |
| 7706726 | Apparatus and process to reclaim toner from a toner/carrier mixture Methods of manufacturing toner for use in electrophotographic imaging members, such as photoreceptor structures. More particularly, embodiments pertain to an apparatus and process for separating toner from toner/carrier mixtures, such as reclaiming toner from waste ... | 04/27/2010 |
| 7672620 | Developer purification station or structure This is a magnetic developer purification structure that is used along with other stations positioned in the path of an electrostatic moving belt or drum in an electrostatic marking system. This purification structure may be a separate station or may be part of the ... | 03/02/2010 |
| 7650100 | Development apparatus, image forming apparatus, and developer transfer method There is provided a technique in which in a development apparatus to perform replacement of developer, the amount of developer can be stably kept irrespective of a change in a physical property of the developer. There are included a development apparatus that circul... | 01/19/2010 |
| 7555246 | Development sub-system in-line cleaning system An electrophotographic printing machine of the type in which an electrostatic latent image recorded on a charge retentive surface is developed with toner particles to form a visible image thereof, including: a housing having a supply of toner and developer therein; ... | 06/30/2009 |
| 7493067 | Toner and developer purification system This is a test procedure for detecting contaminants or a method for removing contaminants from toner to be used in an electrophotographic marking system. The method simulates the mixing and separation of contaminants that occur in an actual development system. It ha... | 02/17/2009 |
| 7428398 | Development sub-system in-line cleaning system An electrophotographic printing machine of the type in which an electrostatic latent image recorded on a charge retentive surface is developed with toner particles to form a visible image thereof, including: a toner dispenser; a donor member for transporting toner f... | 09/23/2008 |
| 7391997 | Developer apparatus and image forming apparatus having an auxiliary collecting member provided in a gap between feed blades An image forming apparatus collects toner remaining on a photoconductive drum after a toner image is transferred to paper, and collects the impurities (paper dust) included in the toner collected in an image forming apparatus which reuses the collected toner by a mi... | 06/24/2008 |
| 7379679 | Image forming apparatus and method with plural developers each storing toner of the same color In a case where there are developers belonging to Life Rank 1 representing a service life substantially as long as that of a fresh developer (Step S501), and the developers includes one which is ready to print (Step S502), it is determined that ... | 05/27/2008 |
| 7356268 | Developing device A controller determines the degree of acuteness of the resonant oscillation of a piezoelectric oscillator, based on the developer's fluidity detection data detected by the piezoelectric oscillator. The toner density output data detected by a toner density sensor is ... | 04/08/2008 |
| 7343121 | Addition of liquid charge control agents to toner in toner development stations of electrographic reproduction apparatus Controlling the charge on toner in a development station of an electrographic reproduction apparatus, wherein data relative to latent image charge carrying member voltage and image density control patches are sensed and development potential to achieve an aim densit... | 03/11/2008 |
| 7343120 | Addition of liquid charge control agents to toner in toner development stations of electrographic reproduction apparatus Controlling the charge on toner in a development station of an electrographic reproduction apparatus, wherein data relative to latent image charge carrying member voltage and image density control patches are sensed and development potential to achieve an aim densit... | 03/11/2008 |
| 7325672 | Device for stopping a continuous product stream of a rotary press A device for stopping a continuous product stream of the products of a rotary press, with a height conveyor which has a lower loading region to which the products are supplied via a first conveying means, and an upper delivery region, from which the products are con... | 02/05/2008 |
| 7302212 | Filter for replenisher toner particles An electrographic printer is disclosed including a replenisher system for replenishing developer material in a development chamber by transferring replenisher from a replenisher supply source through an opening into a transporter in communication with the replenishe... | 11/27/2007 |
| 7277666 | Developing apparatus with two toner-supplying bodies that periodically coact A developing apparatus includes a developing roller, a toner-supplying roller, and at least one toner-supplying member. The developing roller develops an electrostatic latent image formed on a photoconductive drum with toner. The toner-supplying roller is formed of ... | 10/02/2007 |
| 7250240 | Toner, developer, container containing toner, process, cartridge, image forming apparatus and process The toner according to the present invention may be produced from a toner raw composition which comprises a foaming agent, a binder resin and a colorant, wherein the colorant comprises a black metal compound, the foaming agent has a volume-average particle diameter ... | 07/31/2007 |
| 7248821 | Charging device A charging device includes magnetic particles, a magnetic particle carrying member that magnetically carries the magnetic particles into contact with a member to be charged, and a magnetic particle adjusting unit for adjusting an amount per unit area of magnetic par... | 07/24/2007 |
| 7242420 | Image forming device An image forming device equipped with a light scanning device having a polygon mirror that deflects laser light by rotating, a focusing element for focusing deflected laser light onto a photosensitive body, and a reflection mirror reflecting and guiding to the photo... | 07/10/2007 |
| 7224930 | Image forming apparatus An image forming apparatus includes a latent-image carrier, a developing unit, a transfer unit, a cleaning unit, a recovered-toner supply unit, and a foreign-matter collecting unit. The developing unit carries a developer containing a toner and develops an electrost... | 05/29/2007 |
| 7219805 | Sieve screen level sensor Sieve screen level sensing in a filtering apparatus (10) for filtering fine powder material (M) which includes a sieve (12) having a material inlet (24) and a material outlet (26), and a sieve screen (14) is disposed within the sie... | 05/22/2007 |
| 7155138 | Developer supply container A developer supply container detachably mountable to an image forming apparatus, the developer supply container comprising a discharge opening for permitting discharging of a developer; a container body for accommodating the developer; a snap hook member having an e... | 12/26/2006 |
| 7123864 | Developing device using electrostatic transport member A toner supply device for preventing adverse influence caused by a charging failure of toner without scattering toner and generating ozone due to corona discharge and realizing low potential development according to an ETH phenomenon. The toner supply device is prov... | 10/17/2006 |
| 7099611 | Method and apparatus for image forming capable of reducing mechanical stresses to developers during transportation for development A toner contained in a hopper is fed to an electrostatic conveyance member by a supply roller. With an actuator of the electrostatic conveyance member functioning, the toner is conveyed while being electrically charged at the same time, and is then supplied to a dev... | 08/29/2006 |
| 7076192 | Powder conveying device and image forming apparatus using the same A powder conveying device of the present invention includes a powder storing portion storing powder, and a pipe configured to guide the powder from the powder storing portion to a destination positioned below the powder storing portion. The pipe extends downward fro... | 07/11/2006 |
| 7031644 | Image forming apparatus In an image forming apparatus, the level of the rotational axis of a third mixer 26a that conveys and stirs recycle toner is set to be lower than the level of the rotational axis of a second mixer 25a at a communicating region with a seco... | 04/18/2006 |
| 7010249 | Toner agitating device and toner conveying device for an image forming apparatus A toner agitating device feeds air from an air feeding device to the inside of a toner container storing powdery toner therein to thereby agitate the toner. The air feeding device is implemented by at least one variable air pump capable of varying the amount of air ... | 03/07/2006 |
| 7006784 | Image forming apparatus and toner stirring method In an image forming apparatus, the distance of stirring and conveyance of recycle toner that is recovered from a photosensitive drum is made greater than the distance of stirring and conveyance of fresh toner. It is thus possible to prevent non-charged toner from be... | 02/28/2006 |
| 7006778 | Detoning apparatus and method A toner separation apparatus includes a target, an inlet through which toner laden carrier enters to strike the target, an exit for carrier particles below the target, and an exit for toner particles downstream of the target. A filter can be positioned between the t... | 02/28/2006 |
| 7003234 | Apparatus and method for forming image including controlling supply of new and recycled toner Disclosed is a toner recycle device for supplying recovered toner into a developing device again and reusing it. The ratio of the amount of the recovered toner to be supplied into the developing device to the amount of new toner is arbitrarily increased or reduced. ... | 02/21/2006 |
| 6963704 | Heating system for a developer housing An apparatus for developing a latent image recorded on a movable imaging surface, including: a reservoir for storing a supply of developer material including toner particles, the reservoir including a developer material mixing and transport area; a donor member bein... | 11/08/2005 |
| 6961530 | Recovered toner classifier capable of effectively removing foreign substance and crushing aggregation of toner A recovered toner classifier includes a rotatable cylindrical-shaped filter and a fur brush having a brush spirally provided on an outer peripheral surface of a rotation shaft. A non-brush region is continuously formed from the inlet of the filter for the recovered ... | 11/01/2005 |
| 6941089 | Heating system for a developer housing An apparatus for developing a latent image recorded on a movable imaging surface, including: a reservoir for storing a supply of developer material including toner particles, said reservoir including a developer material mixing and transport area; a donor member bei... | 09/06/2005 |
| 6829461 | Recovered toner classifier capable of effectively removing foreign substance and crushing aggregation of toner A recovered toner classifier includes a rotatable cylindrical-shaped filter and a fur brush having a brush spirally provided on an outer peripheral surface of a rotation shaft. A non-brush region is continuously formed from the inlet of the filter for the recovered ... | 12/07/2004 |
| 6674985 | Image forming apparatus In accordance with the present invention, in an image forming apparatus of the type developing a latent image formed on an image carrier, which moves at a linear velocity of 400 mm/sec or above, with a developer containing toner grains having a volume mea... | 01/06/2004 |