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    • 41. 发明申请
    • ELECTROSTATIC INFORMATION RECORDING MEDIUM AND ELECTROSTATIC INFORMATION RECORDING/REPRODUCING METHOD
    • 静电信息记录介质和静电信息记录/再现方法
    • WO1991007701A1
    • 1991-05-30
    • PCT/JP1990001496
    • 1990-11-16
    • DAI NIPPON PRINTING CO., LTD.UTSUMI, MinoruOBATA, HiroyukiTAKE, SeijiIIJIMA, MasayukiKAMIYAMA, Hironori
    • DAI NIPPON PRINTING CO., LTD.
    • G03G05/02
    • G11B9/08G03G5/02G03G15/04072G03G15/221G11B11/08
    • An electrostatic information recording medium of the invention comprises: an electrode layer (13) and a charge-holding layer, wherein the charge-holding layer is made up of a laminate of a resin layer (11a) having a low glass transition temperature and a heat-resistant insulating layer (11b); at least an electrode layer (13) and a charge-holding layer, as well as a polymer layer provided on the charge-holding layer, the polymer layer containing a pentaflurostyrene as a monomer component and having a weight average molecular weight of 10,000 to 2,000,000; a photoconductive layer and a charge-holding layer arranged between a pair of electrodes, wherein an electrostatic latent image formed by the exposure while applying a voltage across the two electrodes or formed by the application of a voltage while effecting the exposure, is held on the surface of the charge-holding layer by peeling the charge-holding layer from the electrode; or a charge transit layer formed on the electrode, wherein information by toner is recorded on the surface of the charge transit layer and when an electrostatic charge is given to the surface, the charge given onto the toner is poured into the charge transit layer through electrically conductive material of toner to form electrostatic information corresponding to toner information on the charge transit layer maintaining excellent electrostatic information-holding characteristics, and wherein the electrostatic information stored in the electrostatic information recording medium remains very stable since it is stored in the charge-holding layer and, at the time of reproducing information, the potential difference between the electrode and the surface potential is measured to easily detect the potential difference, enabling the information to be easily reproduced maintaining high quality and high resolution.
    • 43. 发明申请
    • METHOD AND APPARATUS FOR DETECTING STRIPE DEFECTS OF PRINTED MATTER
    • 检测印刷条纹缺陷的方法和装置
    • WO1998015919A1
    • 1998-04-16
    • PCT/JP1997003611
    • 1997-10-08
    • DAI NIPPON PRINTING CO., LTD.SATOU, HiroshiSAKATA, HidetoSOEDA, MasahikoHAYASHI, Kenta
    • DAI NIPPON PRINTING CO., LTD.
    • G06T07/00
    • G06T7/0004B41F33/0036G06T2207/30144
    • A printer matter stripe defect detecting apparatus which detects a stripe defect on a printed matter by examining an inspection image formed by inputting the image of the printed matter comprises an image input unit (10) to which the inspection image of the printed matter is optically inputted, a pattern eliminating unit (12) which eliminates the patterns from the inspection image, a stripe emphasizing unit (14) which subjects the stripes existing in the image from which the patterns are eliminated to an emphasis processing, a judging unit (16) which detects a stripe defect in accordance with the image whose stripes are emphasized, and defect display unit (18) which displays the detected stripe defects on a monitor. With this constitution, the stripe defects can be reliably detected from the inspection image containing patterns even if the stripe defects are very small and of very low contrast.
    • 一种打印机条纹缺陷检测装置,其通过检查通过输入打印物的图像形成的检查图像来检测打印物上的条纹缺陷包括图像输入单元(10),其中光学输入了打印物的检查图像 ,从检查图像中消除图案的图案消除单元(12),将存在于消除图案的图像中存在的条纹进行加重处理的条纹加强单元(14),判断单元(16) 根据其条纹被强调的图像检测条纹缺陷,以及在监视器上显示检测到的条纹缺陷的缺陷显示单元(18)。 利用这种结构,即使条纹缺陷非常小并且对比度非常低,也可以从包含图案的检查图像中可靠地检测条纹缺陷。