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    • 4. 发明授权
    • Flat solid discharging device
    • 平面固体放电装置
    • US4803593A
    • 1989-02-07
    • US105610
    • 1987-10-08
    • Kazuyoshi MatsumotoSeiichi MiyakawaEishu OhdakeShigeru Suzuki
    • Kazuyoshi MatsumotoSeiichi MiyakawaEishu OhdakeShigeru Suzuki
    • G03G15/02H01T19/00
    • H01T19/00G03G15/02G03G15/0275
    • A flat solid discharging device applicable to an electrophotographic copier, facsimile apparatus and other electrostatic recording apparatuses for charging or discharging a photoconductive element. The device includes a dielectric element, a first and a second electrode juxtaposed to each other through the dielectric element, and a power source for applying an ac voltage across the first and second electrode to produce ions in the vicinity of the two electrodes. The first electrode has a hairline configuration and extends along the length of the device. The second electrode is constituted by a plurality of comblike conductive strips each of which extends crosswise relative to the first electrode through the dielectric. By adequately selecting the pitch of the conductive strips and the distance between the second electrode and the photoconductive element, irregularity in charging which corresponds to the pitch of the conductive strips is made negligible. The second electrode is divided into a plurality of segments in order to selectively charge the photoconductive element over different charging areas as desired.
    • 适用于电子照相复印机,传真机和用于充电或放电光电元件的其它静电记录装置的扁平固体放电装置。 该器件包括电介质元件,通过介电元件彼此并置的第一和第二电极,以及用于在第一和第二电极两端施加交流电压以在两个电极附近产生离子的电源。 第一电极具有发丝构型并沿着装置的长度延伸。 第二电极由多个梳状导电带构成,每个梳状导电条通过电介质相对于第一电极横向延伸。 通过适当地选择导电条的间距和第二电极与光电导元件之间的距离,使得对应于导电条的间距的充电不规则性可忽略不计。 第二电极被分成多个段,以便根据需要在不同的充电区域选择性地对光电导元件充电。