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    • 3. 发明授权
    • Electrostatic recording apparatus
    • 静电记录装置
    • US4254424A
    • 1981-03-03
    • US45359
    • 1979-06-04
    • Dolf LandheerShy-Shung HwangCharles NestaGino F. Squassoni
    • Dolf LandheerShy-Shung HwangCharles NestaGino F. Squassoni
    • G03G15/05B41J2/39B41J2/395G03G15/32G01D15/16G01D15/24
    • B41J2/395G03G15/325
    • The present disclosure is directed to electrostatic recording devices wherein a latent electrostatic image is recorded on a dielectric coated sheet by a stylus array spaced apart from the sheet to form an ionization gap. There is now taught a means to accurately establish the distance between the recording stylus and the dielectric surface upon which the latent image is created. A dielectric sheet containing a conductive layer is passed over a fixed recording head containing an array of styli. The fixed recording head is provided with a source of fliuid which maintains positive pressure in a cavity with the recording head, which cavity has outlets facing the dielectric sheet passing over the head. The length of the gap between the dielectric sheet and the recording head is maintained by the fluid pressure emanating from the head.
    • 本发明涉及静电记录装置,其中通过与片材间隔开的触针阵列将静电潜像图像记录在电介质涂层片上,形成电离间隙。 现在教导了一种手段来准确地建立记录触针与其上形成潜像的电介质表面之间的距离。 包含导电层的电介质片通过包含测针阵列的固定记录头。 固定记录头设置有一个流体源,其在记录头中在空腔中保持正压,该空腔具有面向电介质片的出口,该电介质通过头部。 电介质片和记录头之间的间隙的长度由从头部发出的流体压力来维持。