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    • 2. 发明授权
    • Noise eliminator
    • 消声器
    • US07924329B2
    • 2011-04-12
    • US11577787
    • 2005-10-18
    • Kazuhiro SuzukiKeishi Kato
    • Kazuhiro SuzukiKeishi Kato
    • H04N5/217
    • H04N5/361
    • A noise eliminator is provided which can highly compress and store dark current noise components while maintaining characteristics, including many high frequency components. A noise distribution analysis section 10 determines the magnitude distribution of dark current noise components of at least some pixels, and then computes the threshold and typical values for quantization based on this distribution. A quantization section 12 quantizes the dark current noise components based on the computed threshold value, and a memory 14 stores the quantized dark current noise components. An inverse quantization section 16 inversely quantizes the quantized dark current noise components stored in the memory 14 with reference to the typical value computed by the noise distribution analysis section 10. The inversely quantized dark current noise components are supplied to a subtraction section 18, and the subtraction section 18 subtracts the inversely quantized dark current noise components from an image signal.
    • 提供了一种噪声消除器,可以高度压缩和存储暗电流噪声分量,同时保持特性,包括许多高频分量。 噪声分布分析部分10确定至少一些像素的暗电流噪声分量的幅度分布,然后基于该分布来计算阈值和用于量化的典型值。 量化部分12基于计算的阈值量化暗电流噪声分量,并且存储器14存储量化的暗电流噪声分量。 逆量化部分16参考由噪声分布分析部分10计算的典型值对存储在存储器14中的量化暗电流噪声分量进行逆量化。逆量化的暗电流噪声分量被提供给减法部分18,并且 减法部分18从图像信号中减去逆量化的暗电流噪声分量。
    • 3. 发明申请
    • NOISE ELIMINATOR
    • 噪声消除器
    • US20090244331A1
    • 2009-10-01
    • US11577787
    • 2005-10-18
    • Kazuhiro SuzukiKeishi Kato
    • Kazuhiro SuzukiKeishi Kato
    • H04N9/64
    • H04N5/361
    • A noise eliminator is provided which can highly compress and store dark current noise components while maintaining characteristics, including many high frequency components. A noise distribution analysis section 10 determines the magnitude distribution of dark current noise components of at least some pixels, and then computes the threshold and typical values for quantization based on this distribution. A quantization section 12 quantizes the dark current noise components based on the computed threshold value, and a memory 14 stores the quantized dark current noise components. An inverse quantization section 16 inversely quantizes the quantized dark current noise components stored in the memory 14 with reference to the typical value computed by the noise distribution analysis section 10. The inversely quantized dark current noise components are supplied to a subtraction section 18, and the subtraction section 18 subtracts the inversely quantized dark current noise components from an image signal.
    • 提供了一种噪声消除器,可以高度压缩和存储暗电流噪声分量,同时保持特性,包括许多高频分量。 噪声分布分析部分10确定至少一些像素的暗电流噪声分量的幅度分布,然后基于该分布来计算阈值和用于量化的典型值。 量化部分12基于计算的阈值量化暗电流噪声分量,并且存储器14存储量化的暗电流噪声分量。 逆量化部分16参考由噪声分布分析部分10计算的典型值对存储在存储器14中的量化暗电流噪声分量进行逆量化。逆量化的暗电流噪声分量被提供给减法部分18,并且 减法部分18从图像信号中减去逆量化的暗电流噪声分量。
    • 5. 发明授权
    • Image receiving web for adhesive transfer
    • 用于粘合剂转移的图像接收网
    • US4931334A
    • 1990-06-05
    • US294839
    • 1989-01-09
    • Etsuo ShiozawaKeishi KatoYoshiki Yoshimi
    • Etsuo ShiozawaKeishi KatoYoshiki Yoshimi
    • G03G7/00G03G15/16
    • G03G15/16G03G15/1695G03G7/00G03G7/0053Y10S462/90Y10T428/24322Y10T428/24777Y10T428/24934
    • In a method of and apparatus for adhesive transfer, an image receiving web comprising a belt-shaped, release agent coated paper and a plurality of transfer sheets having adhesive surfaces and put side by side on the release agent coated paper in the longitudinal direction thereof is used. The transfer sheets are separated one after another from the release agent coated paper, and each separated transfer sheet is wound around a transfer roller with the adhesive surface facing out. The transfer roller is moved to contact a photosensitive material drum carrying a toner image formed thereon, and the toner image is transferred from the photosensitive material drum to the adhesive surface of the transfer sheet while the transfer roller and the photosensitive material drum are rotated. The transfer roller is then moved to contact a push roller, and a supporting sheet is passed together with the transfer sheet between the transfer roller and the push roller, thereby to adhere the transfer sheet to the supporting sheet.
    • 在粘合剂转移的方法和装置中,包含带状脱模剂涂布纸和多个具有粘合表面的转印片的图像接收纸幅沿其纵向方向并排放置在脱模剂涂布纸上, 用过的。 将转印纸从剥离剂涂布纸一个接一个地分离,并且将每个分离的转印片缠绕在粘合剂表面朝外的转印辊上。 转印辊移动以接触携带其上形成的调色剂图像的感光材料鼓,并且当转印辊和感光材料转筒旋转时,调色剂图像从感光材料转鼓转印到转印纸的粘合表面。 然后将转印辊移动以接触推辊,并且支撑片材与转印片材在转印辊和推辊之间通过,从而将转印片材粘附到支撑片材上。
    • 6. 发明授权
    • Method of and apparatus for transferring toner images
    • 转印调色剂图像的方法和设备
    • US5220388A
    • 1993-06-15
    • US634781
    • 1991-01-11
    • Keishi Kato
    • Keishi Kato
    • G03G7/00G03G15/16
    • G03G15/1695G03G15/16G03G7/0006G03G7/0033G03G7/004
    • A method of transferring toner images carried by an photoconductive layer to a image receiving sheet having an adhesion layer thereon transfers the toner image by putting the adhesion layer of the transfer sheet into contact with the photoconductive layer. The adhesive layer is made of a material which is softened and becomes adhesive upon exposure to heat or light, and is subjected to heat or light when the image receiving sheet is put into contact with the photoconductive layer to transfer the toner image on the photoconductive layer onto the image receiving sheet. The apparatus includes a moving device which moves the image receiving sheet having the adhesion layer, the adhesion layer being formed of a material sensitive to either heat or light, and which is adhesive only upon heat or light being applied thereto. A transferring device transfers the toner images onto the adhesion layer, and an adhesive softening device softens the adhesion layer. The toner images are transferred to the image receiving sheet when the adhesion layer contacts the photoconductive layer.
    • 将由光电导层承载的调色剂图像转印到其上具有粘合层的图像接收片材上的方法通过将转印片材的粘合层与光电导层接触来转印调色剂图像。 粘合剂层由软化的材料制成,在暴露于热或光时变得粘合,并且当图像接收片与光电导层接触以将调色剂图像转印到光电导层上时受到热或光的照射 到图像接收片上。 该装置包括移动装置,该移动装置移动具有粘附层的图像接收片,粘合层由对热或光敏感的材料形成,并且仅在施加于其上的热或光时是粘合剂。 转印装置将调色剂图像转印到粘合层上,并且粘合剂软化装置软化粘合层。 当粘合层接触光电导层时,调色剂图像被转印到图像接收片。
    • 7. 发明授权
    • Image forming method
    • 图像形成方法
    • US5215852A
    • 1993-06-01
    • US733774
    • 1991-07-22
    • Keishi KatoEtsuo ShiozawaYoshio Kishimoto
    • Keishi KatoEtsuo ShiozawaYoshio Kishimoto
    • G03G5/08G03G7/00G03G9/08G03G9/087G03G13/22G03G15/16G03G15/20G03G15/24
    • G03G13/22G03G15/162G03G7/00G03G7/004G03G7/0046G03G9/0825G03G9/08797
    • In the improved image forming method, an electrophotographic photoreceptor drum carrying an a-Si (amorphous silicon) photoconductor having a SiC (silicon carbide) is subjected to imagewise exposure to form a latent electrostatic image on the photoconductor, the latent image is then developed with a toner the particles of which are coated with a polymer having a cohesive energy constant G of at least 280, and the toner image formed on the photoconductor is adhesive-transferred onto an intermediate transfer element having an adhesive layer formed from an adhesive that is based on a urethane (meth)acrylic resin and which further contains at least one member selected from among an acrylic rubber, a saturated polyester resin and a fluorine-containing additive, with the toner image on the adhesive layer being retransferred onto a support to form a final image. To form a color image, this process including the retransfer step is repeated either three or four times depending on the number of colors to be reproduced. The toner image formed on the final support is such that is has been completely transferred form the photoconductor and hence has high contrast and quality in the absence of density unevenness and other defects.
    • 在改进的图像形成方法中,承载具有SiC(碳化硅)的a-Si(非晶硅)光电导体的电子照相感光体鼓进行成像曝光以在感光体上形成静电潜像,然后使潜像显影, 一种调色剂,其颗粒被具有至少280的内聚能量常数G的聚合物涂覆,并且形成在感光体上的调色剂图像被粘合转移到具有由基于粘合剂的粘合剂形成的粘合剂层的中间转印元件上 在聚氨酯(甲基)丙烯酸树脂上,并且还含有选自丙烯酸橡胶,饱和聚酯树脂和含氟添加剂中的至少一种,粘合剂层上的调色剂图像被转移到载体上以形成 最终形象。 为了形成彩色图像,根据要再现的颜色数量,重复该步骤的处理重复三到四次。 形成在最终载体上的调色剂图像已经完全从感光体转移,因此在没有浓度不均匀性和其它缺陷的情况下具有高对比度和质量。
    • 8. 发明授权
    • Adhesive transfer method
    • 粘合剂转移法
    • US4863543A
    • 1989-09-05
    • US133458
    • 1987-12-15
    • Etsuo ShiozawaKeishi KatoYoshiki Yoshimi
    • Etsuo ShiozawaKeishi KatoYoshiki Yoshimi
    • G03G7/00G03G15/16
    • G03G7/0053G03G15/16G03G15/1695G03G7/00
    • In a method of and apparatus for adhesive transfer, an image receiving web comprising a belt-shaped, release agent coated paper and a plurality of transfer sheets having adhesive surfaces and put side by side on the release agent coated paper in the longitudinal direction thereof is used. The transfer sheets are separated one after another from the release agent coated paper, and each separated transfer sheet is wound around a transfer roller with the adhesive surface facing out. The transfer roller is moved to contact a photosensitive material drum carrying a toner image formed thereon, and the toner image is transferred from the photosensitive material drum to the adhesive surface of the transfer sheet while the transfer roller and the photosensitive material drum are rotated. The transfer roller is then moved to contact a push roller, and a supporting sheet is passed together with the transfer sheet between the transfer roller and the push roller, thereby to adhere the transfer sheet to the supporting sheet.
    • 在粘合剂转移的方法和装置中,包含带状脱模剂涂布纸和多个具有粘合表面的转印片的图像接收纸幅沿其纵向方向并排放置在脱模剂涂布纸上, 用过的。 将转印纸从剥离剂涂布纸一个接一个地分离,并且将每个分离的转印片缠绕在粘合剂表面朝外的转印辊上。 转印辊移动以接触携带其上形成的调色剂图像的感光材料鼓,并且当转印辊和感光材料转筒旋转时,调色剂图像从感光材料转鼓转印到转印纸的粘合表面。 然后将转印辊移动以接触推辊,并且支撑片材与转印片材在转印辊和推辊之间通过,从而将转印片材粘附到支撑片材上。