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    • 52. 发明申请
    • IMAGE FORMING APPARATUS AND IMAGE QUALITY ADJUSTMENT METHOD OF IMAGE FORMING APPARATUS
    • 图像形成装置和图像质量调整方法图像形成装置
    • US20090128870A1
    • 2009-05-21
    • US12255351
    • 2008-10-21
    • Daisuke YamashitaTakeshi Watanabe
    • Daisuke YamashitaTakeshi Watanabe
    • G03F3/08
    • H04N1/4078H04N1/40006
    • A reading section outputs density information of a gradation pattern image of a recording member. A gradation correction characteristic generation section generates a first gradation correction characteristic f(x). At first image quality adjustment, a detection section detects densities of patch pattern images on an image carrier, and the gradation correction characteristic generation section generates a second gradation correction characteristic g(x). At normal image quality adjustment, the detection section detects densities of patch pattern images on the image carrier, and the gradation correction characteristic generation section generates a second gradation correction characteristic g′(x). A calculation section calculates a difference gradation correction characteristic g″(x) between the gradation correction characteristic g(x) and the second gradation correction characteristic g′(x). An image quality maintaining control section multiplies the difference gradation correction characteristic g″(x) by the first gradation correction characteristic f(x), and adjusts an image quality of an image formed on the recording member.
    • 读取部输出记录部件的灰度图案图像的浓度信息。 灰度校正特征生成部生成第一灰度校正特性f(x)。 在第一图像质量调整中,检测部检测图像载体上的贴片图案图像的浓度,灰度校正特征生成部生成第二灰度校正特性g(x)。 在正常图像质量调整中,检测部检测图像载体上的贴片图案图像的浓度,灰度校正特征生成部生成第二灰度校正特性g'(x)。 计算部分计算灰度校正特性g(x)和第二灰度校正特性g'(x)之间的差分灰度校正特性g“(x)。 图像质量维持控制部将差分灰度校正特性g“(x)乘以第一灰度校正特性f(x),并调节在记录部件上形成的图像的图像质量。
    • 53. 发明授权
    • Image forming apparatus and guide unit, transport unit used therein
    • 图像形成装置和引导单元,其中使用的传送单元
    • US07509083B2
    • 2009-03-24
    • US11790057
    • 2007-04-23
    • Hiroshi InuiTakeshi Watanabe
    • Hiroshi InuiTakeshi Watanabe
    • G03G15/16
    • G03G15/6567G03G15/1665G03G2215/00675
    • A guide unit 24 includes an electrically conducting guide plate 25 disposed upstream of the transfer unit 20 that transports toner image transfer sheets between the image carrier 7 and the transfer unit 20, an electrically insulating support member 26 that supports the guide plate 25, an electrically conducting connecting member 30 installed on the support member 26, electrically connected to a ground plate 33, and a non-linear element 31 directly or indirectly electrically connected between the guide plate 25 and the connecting member 30. Further, if a voltage equal to or greater than a predetermined value is applied between the guide plate 25 and the connecting member 30, the resistance value is reduced.
    • 引导单元24包括设置在转印单元20的上游的导电引导板25,该转印单元20在图像载体7和转印单元20之间输送调色剂图像转印片,支撑引导板25的电绝缘支撑构件26, 导电连接构件30,其安装在电连接到接地板33的支撑构件26上,以及直接或间接地电连接在引导板25和连接构件30之间的非线性元件31.此外,如果等于或等于 在引导板25和连接部件30之间施加大于预定值的电阻值。
    • 55. 发明申请
    • INPUT DEVICE
    • 输入设备
    • US20080122793A1
    • 2008-05-29
    • US11773315
    • 2007-07-03
    • Takeshi WatanabeTakayuki Chida
    • Takeshi WatanabeTakayuki Chida
    • G06F3/041
    • G06F3/045
    • To provide a thin input device capable of preventing foreign materials from entering into a gap between an input panel and a chassis and thus preventing malfunctioning of the input panel. A first detection base 3 is made of a thin material and has a planar size larger than a second detection base 4. A chassis 8 includes a side portion 9 opposed to a side surface of a touch panel 2 and a supporting portion 10 opposed to a bottom surface. The touch panel 2 is received in the inside of the chassis 8 in a state where an inner surface 3a of the first detection base 3 is opposed to a top surface 9a on an input side of the side portion 9 of the chassis so as to cover a gap 14 between the side portion 9 of the chassis 8 and a side surface of the touch panel 2 with the first detection base 3 from the input side of the chassis 8. The inner surface 3a of the first detection base 3 is attached to the top surface 9a of the side portion 9.
    • 提供能够防止异物进入输入面板和底盘之间的间隙的薄输入装置,从而防止输入面板的故障。 第一检测基座3由薄材料制成,具有比第二检测基座4大的平面尺寸。底座8包括与触摸面板2的侧面相对的侧部9和与其相对的支撑部10 底面。 触摸面板2在第一检测基座3的内表面3a与底架的侧部9的输入侧的顶面9a相对的状态下被容纳在底座8的内部,以便 从底座8的输入侧覆盖底架8的侧部9和触摸面板2的侧面之间的间隙14,第一检测基座3的内表面3a 附接到侧部9的顶表面9a。
    • 58. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US07327966B2
    • 2008-02-05
    • US11361003
    • 2006-02-24
    • Takeshi Watanabe
    • Takeshi Watanabe
    • G03G15/00G03G15/16
    • G03G21/14G03G15/1625
    • A copying machine of the present invention includes a photosensitive drum, a transfer belt which is extended between a plurality of rollers and has a contact section in contact with the photosensitive drum, and a transfer bias supply which applies an electrical charge for transfer to the contact section. At the time of the start of an image forming operation, first, (a) the transfer bias supply is operated, and (b) the rollers are rotated, and then (c) the photosensitive drum is started rotation. By turning on the transfer bias supply prior to the operations of the photosensitive drum and the transfer belt, the photosensitive drum and the transfer belt are attracted to each other at the contact section, thereby preventing the photosensitive drum from rubbing against a foreign matter at the contact section.
    • 本发明的复印机包括感光鼓,转印带,其在多个辊之间延伸并具有与感光鼓接触的接触部分;以及转印偏压供应器,其将电荷转移到触点 部分。 在图像形成操作开始时,首先,(a)转印偏压供应被操作,并且(b)辊旋转,然后(c)感光鼓开始转动。 通过在感光鼓和转印带的操作之前打开转印偏压供应源,感光鼓和转印带在接触部分被彼此吸引,从而防止感光鼓在外部的物体上摩擦 接触部分。