Image forming apparatus
    131.
    发明申请
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号:US20050180767A1

    公开(公告)日:2005-08-18

    申请号:US11013877

    申请日:2004-12-17

    CPC classification number: G03G15/6532 G03G2215/00599

    Abstract: An image forming apparatus in which a visible image is transferred to a transfer material includes a pre-transfer exposing unit that makes only a portion of a latent image carrier that corresponds to a leading edge of the transfer material expose, and a transfer-bias applying unit that applies a bias for transferring the visible image. The transfer-bias applying unit starts applying the bias to the transfer material, at least step-by-step, when a predetermined time is passed from a point of time at which the leading edge of the transfer material comes into a contact with the latent image carrier by controlling the pre-transfer exposing unit and a bias applying timing of the transfer-bias applying unit.

    Abstract translation: 其中将可见光图像转印到转印材料上的图像形成装置包括仅使与转印材料的前沿相对应的潜像载体的一部分露出的预转印曝光单元,以及施加了转印偏压 单位适用于传递可见图像的偏差。 当从转印材料的前端与潜在的接触的时间点经过预定时间时,转印偏压施加单元至少逐步地向转印材料施加偏压 通过控制预转印曝光单元和转印偏压施加单元的偏压施加定时来生成图像载体。

    Image forming apparatus
    132.
    发明授权
    Image forming apparatus 有权
    图像形成装置

    公开(公告)号:US06813467B2

    公开(公告)日:2004-11-02

    申请号:US10452295

    申请日:2003-06-03

    CPC classification number: G03G21/0011 G03G2221/0089

    Abstract: An image forming apparatus including a cleaning device for removing toner, paper dust and other impurities left on an image carrier after image transfer with a cleaning member is disclosed. The cleaning member contacts the surface of the image carrier with variable pressure and remains, about the time when the image carrier stops moving after image formation, in contact with the surface with pressure lower than pressure capable of scrapping off the impurities. Before movement for image formation, the image carrier is driven in a reverse direction opposite to a forward direction assigned to image formation, stopped, and again moved in the forward direction and then in the reverse direction at least one time.

    Abstract translation: 公开了一种图像形成装置,其包括用于清洁构件的图像转印之后用于去除调色剂,纸屑和残留在图像载体上的其它杂质的清洁装置。 清洁构件以可变的压力接触图像载体的表面,并且在图像载体在图像形成之后停止移动的时间保持与压力低于能够排除杂质的压力的表面接触的时间。 在用于图像形成的移动之前,图像载体以与分配给图像形成的正向相反的方向被驱动,停止,并且再次向前移动,然后在相反方向上至少一次移动。

    Powder classifying device and image forming apparatus having the powder classifying device

    公开(公告)号:US06615013B2

    公开(公告)日:2003-09-02

    申请号:US09996752

    申请日:2001-11-30

    CPC classification number: G03G21/105

    Abstract: A powder classifying device that classifies powder includes a mesh member having meshes, and a brush roller formed with hair-like members and configured to rotate in sliding contact with the mesh member at a predetermined portion in a circumferential direction of the brush roller to push the powder conveyed in a radial direction of the brush roller against the meshes so that the powder is classified into powder passing through the meshes and powder not passing through the meshes.

    Transfer separator
    134.
    发明授权
    Transfer separator 失效
    转移分离器

    公开(公告)号:US5822667A

    公开(公告)日:1998-10-13

    申请号:US676524

    申请日:1996-07-02

    CPC classification number: G03G15/1675 G03G2215/1623

    Abstract: A transfer separator comprises a transfer belt or other transfer mechanism for carrying and conveying a sheet to apply a toner image from an image carrier onto the sheet and separating the sheet from the image carrier. A bias application electrode applies a transfer bias to the transfer belt, wherein a relation of Lp.gtoreq.aV, and a=1 mm/KV is established when the minimum distance between the image carrier and surface of the bias application electrode is set to Lp (mm) and the maximum voltage applied to the bias application electrode is set to V (KV) . Preferably, the bias application electrode has a coated layer, and the difference in thickness resistance between the coated layer and the transfer belt is within two orders of magnitude. The hardness of the coated layer is preferably equal to or greater than the hardness of the transfer belt.

    Abstract translation: 转印分离器包括用于承载和输送片材的转印带或其它转印机构,以将来自图像载体的调色剂图像施加到片材上并将片材与图像载体分离。 偏置施加电极向转印带施加转印偏压,其中当图像载体和偏置施加电极的表面之间的最小距离被设置为:Lp> / = aV和a = 1mm / KV时, 施加到偏压施加电极的最大电压Lp(mm)设定为V(KV)。 优选地,偏置施加电极具有涂层,并且涂层和转印带之间的厚度电阻差在两个数量级以内。 涂层的硬度优选等于或大于转印带的硬度。

    Image transferring device for image forming equipment
    135.
    发明授权
    Image transferring device for image forming equipment 失效
    图像形成设备图像传送装置

    公开(公告)号:US5640660A

    公开(公告)日:1997-06-17

    申请号:US449778

    申请日:1995-05-24

    Abstract: An image transferring device incorporated in an image forming apparatus and capable of surely preventing a sheet from wrapping around a photoconductive element and from being incompletely separated from a transfer belt. A transfer bias and discharge are effected to prevent changes in the resistances of the transfer belt and sheet ascribable to changes in environment from translating into changes in a current to flow to the photoconductive element, and to efficiently dissipate a charge deposited on the belt. Various members constituting the device are positioned relative to one another such that the discharging effect is achievable most effectively while preventing the transfer bias from causing dielectric breakdown in any constituent part. For example, if a discharge member is spaced from a transfer electrode by L.sub.3 and if the transfer electrode is spaced from a nip portion between the transfer belt and image bearing member by a distance L.sub.2, than L.sub.3 .gtoreq.L.sub.2. Additionally, if the vokage applied to the transfer electrode is V.sub.O, than L.sub.2 .gtoreq.a.vertline.V.sub.O .vertline., where a is 1.0 (mm/kv); if a distance between the nip and an upstream roller entraining the belt is L.sub.1, than L.sub.1 .gtoreq.a.vertline.V.sub.O .vertline.; and if the distance between to discharge members is L.sub.4, the transfer belt has a time constant of .tau., and a process speed is .nu., than .tau..ltoreq.L.sub.4 /.nu.. Finally, the transfer belt has a double layer structure made up of an outer layer having a surface resistivity of 1.times.10.sup.9 to 1.times.10.sup.12 .OMEGA. and an inner layer having a surface resisitivity of 8.times.10.sup.6 to 8.times.10.sup.8 .OMEGA. and a volume resisitivty of 5.times.10.sup.8 to 5.times.10.sup.10 .OMEGA.cm.

    Abstract translation: 一种图像转印装置,其结合在图像形成装置中,并且能够可靠地防止片材缠绕在光电导元件周围并且与转印带不完全分离。 进行转印偏压和放电,以防止归因于环境变化的转印带和片材的电阻变化,从而转变为流向光导元件的电流变化,并且有效地耗散沉积在带上的电荷。 构成装置的各构件相对于彼此定位,使得可以最有效地实现放电效果,同时防止转印偏压在任何构成部分中引起电介质击穿。 例如,如果放电构件与转移电极L3隔开,并且如果转印电极与转印带和图像承载部件之间的压合部分间隔距离L2比L3> / = L2。 另外,如果施加到转移电极的VOC为VO,则L2> / = a | VO |,其中a为1.0(mm / kv); 如果辊隙和夹带的上游辊之间的距离为L1,则L1> / = a | VO |; 并且如果排出构件之间的距离为L4,则转印带具有τ的时间常数,并且处理速度为nu,大于τ

    Image transferring device for image forming equipment
    136.
    发明授权
    Image transferring device for image forming equipment 失效
    图像形成设备图像传送装置

    公开(公告)号:US5557384A

    公开(公告)日:1996-09-17

    申请号:US325078

    申请日:1994-10-19

    Abstract: An image transferring device incorporated in an image forming apparatus and capable of surely preventing a sheet from wrapping around a photoconductive element and from being incompletely separated from a transfer belt. A transfer bias and discharge are effected to prevent changes in the resistances of the transfer belt and sheet ascribable to changes in environment front translating into changes in a current to flow to the photoconductive element, and to efficiently dissipate a charge deposited on the belt. Various members constituting the device are positioned relative to one another such that the discharging effect is achievable most effectively while preventing the transfer bias from causing dielectric breakdown in any constituent part. A bias roller is held in contact with the transfer belt which is made of a dielectric material. A current I.sub.OUT to flow frown the bias roller to ground via a nip portion between the belt and an image carrier and the image carrier is maintained greater than or equal to a current I.sub.2 to flow from the contact electrode to ground via the belt without the intermediary of the nip portion.

    Abstract translation: 一种图像转印装置,其结合在图像形成装置中,并且能够可靠地防止片材缠绕在光电导元件周围并且与转印带不完全分离。 实现转印偏压和放电,以防止归因于环境变化的转印带和纸张的电阻变化,转变成流向光导元件的电流的变化,并且有效地耗散沉积在带上的电荷。 构成装置的各构件相对于彼此定位,使得可以最有效地实现放电效果,同时防止转印偏压在任何构成部分中引起电介质击穿。 偏置辊与由电介质材料制成的转印带保持接触。 电流IOUT通过带和图像载体之间的压合部分将偏压辊皱折到地,并且图像载体保持大于或等于电流I2,以通过带从接触电极流到地,而没有中间 的辊隙部分。

    Oxide superconducting film manufacturing apparatus
    137.
    发明授权
    Oxide superconducting film manufacturing apparatus 失效
    氧化物超导薄膜制造装置

    公开(公告)号:US5489338A

    公开(公告)日:1996-02-06

    申请号:US97789

    申请日:1993-07-26

    CPC classification number: C23C14/28 C23C14/54 H01L39/2448

    Abstract: An apparatus for manufacturing an oxide superconducting film employing laser ablation method having a thin film forming chamber having a laser-transparent laser entrance window, a target being provided in the thin film forming chamber and containing components of an oxide superconductor, a laser beam source for irradiating the target with a laser beam from the exterior of the thin film forming chamber through the laser entrance window, and a controller for controlling power of the laser beam which is applied to the target for preventing the power of the laser beam, being applied to the target, from reduction by contamination of the entrance window caused by scattered particles. According to the present invention, it is possible to form an oxide superconducting film having high and uniform characteristics even if a long time is required for film formation, thereby attaining a remarkable effect in improvement of superconductivity of a large area oxide superconducting film.

    Abstract translation: 一种使用具有激光透明激光入射窗的薄膜形成室的激光烧蚀方法的制造氧化物超导膜的装置,在薄膜形成室内设置靶,并含有氧化物超导体的成分,激光束源 用来自薄膜形成室的外部的激光束通过激光入口窗照射目标,以及控制器,用于控制施加到目标上的激光束的功率,以防止激光束的光束被施加到 目标,由于分散颗粒引起的入口窗口的污染减少。 根据本发明,即使成膜需要长时间,也可以形成具有高均匀性的氧化物超导膜,从而在提高大面积氧化物超导膜的超导性方面具有显着的效果。

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