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    • 2. 发明专利
    • Developing device and cartridge
    • 开发设备和卡座
    • JP2009009035A
    • 2009-01-15
    • JP2007172290
    • 2007-06-29
    • Canon Incキヤノン株式会社
    • KAWAMURA TAKESHIYAMAMOTO SHINYA
    • G03G15/08
    • G03G15/0808G03G15/0856G03G15/086G03G15/0877G03G2215/0634G03G2215/0861G03G2215/0869G03G2215/0888
    • PROBLEM TO BE SOLVED: To provide a developing device and a cartridge which requires no dedicated antenna for detecting electrostatic capacity in a developer container, stably and accurately detects the electrostatic capacity without hindering the conveyance of developer and which improves accuracy of detecting the amount of the developer. SOLUTION: The developing device is provided with a turnable supply roller 2 provided in contact with a developing roller 1, equipped with a foaming layer on its surface and supplying the developer to the developing roller 1, and detects the electrostatic capacity between the developing roller 1 and the supply roller 2. In the developing device, the surface air permeable amount L (liter/minute) of the supply roller 2 is 1.8≤L. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供不需要用于检测显影剂容器中的静电容量的专用天线的显影装置和盒,能够稳定且准确地检测静电容量而不妨碍显影剂的输送,并且提高了检测显影剂的精度 开发商的数量。 解决方案:显影装置设有与显影辊1接触设置的可转动供给辊2,显影辊1在其表面上装有发泡层,并将显影剂供应到显影辊1,并检测显影辊1之间的静电电容 显影辊1和供给辊2.在显影装置中,供给辊2的表面透气量L(升/分)为1.8≤L。 版权所有(C)2009,JPO&INPIT
    • 9. 发明专利
    • Image development apparatus, image forming apparatus using the same, image development method and image forming method using the same
    • 图像发展装置,使用其的图像形成装置,图像开发方法和使用该图像的图像形成方法
    • JP2008107787A
    • 2008-05-08
    • JP2007178252
    • 2007-07-06
    • Seiko Epson Corpセイコーエプソン株式会社
    • NAKAMURA MASAHIDEIKUMA TAKESHITERAOKA TSUTOMUFUKAZAWA MASAHIRO
    • G03G15/06G03G15/00G03G15/10
    • G03G15/104G03G2215/0626G03G2215/0869
    • PROBLEM TO BE SOLVED: To provide: an image development apparatus capable of rapidly detecting the change of developer characteristic; an image forming apparatus using the same; an image development method; and an image forming method using the same. SOLUTION: The image development apparatus includes: a developer carrier 54K that carries thereon a liquid developer being a carrier solution including dispersed toner particles each made of a coloring agent and a resin; a developer supply member 51K that supplies the developer to the developer carrier 54K; a developer compression member 55K that is opposing the developer carrier 54K, and compresses any solid content of the developer to a side of the developer carrier 54K through application of an electric field to the developer on the developer carrier 54K supplied by the developer supply member 51K; a developer compression member voltage application means 102K that applies a voltage to the developer compression member 55K; and a current detection means A that detects a current flowing from the developer compression member 55K to the developer carrier 54K. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供:能够快速检测显影剂特性的变化的图像显影装置; 使用该图像形成装置的图像形成装置; 图像开发方法; 以及使用该图像形成方法的图像形成方法。 图像显影装置包括:显影剂载体54K,其上承载有作为载体溶液的液体显影剂,其包含各自由着色剂和树脂制成的分散的调色剂颗粒; 将显影剂供应到显影剂载体54K的显影剂供应构件51K; 与显影剂载体54K相对的显影剂压缩构件55K,并且通过向由显影剂供应构件51K提供的显影剂载体54K上的显影剂施加电场,将显影剂的任何固体含量压缩到显影剂载体54K的一侧 ; 显影剂压缩构件电压施加装置102K,其向显影剂压缩构件55K施加电压; 以及检测从显影剂压缩构件55K流向显影剂载体54K的电流的电流检测单元A. 版权所有(C)2008,JPO&INPIT