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    • 6. 发明授权
    • Image processing apparatus
    • 图像处理装置
    • US06345116B1
    • 2002-02-05
    • US08866224
    • 1997-05-30
    • Akio KojimaYasuhiro KuwaharaMasao KataokaTeruyuki NakaThuneharu TomitaAtsushi Sogami
    • Akio KojimaYasuhiro KuwaharaMasao KataokaTeruyuki NakaThuneharu TomitaAtsushi Sogami
    • G06K900
    • H04N1/3876H04N1/00204H04N1/107H04N2201/001
    • By connecting correction information storing means to an exterior computer, such as a personal computer, and then utilizing the personal computer as a second image storing means, it is possible that correction information is read from the correction information storing means and M value gradation image data is read from the second image storing means, to reproduce the read M value gradation image in a state where position errors at connection part has been corrected In addition, since image data having N value smaller than M value is stored in a first image storing means that is required to be installed as an inner memory, it is possible to suppress the storage capacity of the first image storing means. As a result, the invention provides an image processing apparatus capable of reading gradation image with reduced memory costs of storing means.
    • 通过将校正信息存储装置连接到诸如个人计算机的外部计算机,然后利用个人计算机作为第二图像存储装置,可以从校正信息存储装置读取校正信息和M值灰度图像数据 从第二图像存储装置读取,以在连接部分的位置误差被校正的状态下再现读取的M值灰度图像。此外,由于N值小于M值的图像数据被存储在第一图像存储装置 需要将其设置为内部存储器,可以抑制第一图像存储装置的存储容量。 结果,本发明提供一种能够以降低的存储装置的存储成本来读取灰度图像的图像处理装置。
    • 7. 发明授权
    • Charging device and image forming apparatus containing the charging
device
    • 包含充电装置的充电装置和图像形成装置
    • US5634179A
    • 1997-05-27
    • US302068
    • 1994-09-07
    • Yoshio UmedaTeruyuki NakaToshiki YamamuraSeiichi SuzukiJunichi Nawama
    • Yoshio UmedaTeruyuki NakaToshiki YamamuraSeiichi SuzukiJunichi Nawama
    • G03G15/02
    • G03G15/0266G03G15/0216
    • A charging device for charging a moving photoconductor. The charging device includes a charging member, an electric power supply for applying a voltage to the charging member, and a light exposing device, such as a LED for exposing surfaces of the charging member and the photoconductor in a closing region where the surfaces of the charging member and the photoconductor move closer to each other. The charging member is a blade having a transparent layer for guiding a light beam from the LED to the closing region and a shading layer for shading the light beam to a contacting region and a separating region. The contacting region is where the surfaces of the charging member and the photoconductor contact, and the separating region is where the surfaces of the charging member and the photoconductor gradually separate from each other. The LED is disposed in the vicinity of an end of the transparent layer opposite to the other end in the closing region in a section parallel to the moving direction of the photoconductor.
    • 一种用于对移动的感光体进行充电的充电装置。 充电装置包括充电构件,用于向充电构件施加电压的电源以及诸如用于将充电构件和感光体的表面暴露于其中的充电构件和感光体的表面的光曝光装置, 充电构件和感光体彼此靠近移动。 充电构件是具有用于将来自LED的光束引导到关闭区域的透明层的刮板,以及用于将光束遮蔽到接触区域和分离区域的遮光层。 接触区域是充电构件和感光体的表面接触的地方,并且分离区域是充电构件和感光体的表面彼此逐渐分离的地方。 在与感光体的移动方向平行的部分中,LED设置在与封闭区域的另一端相反的透明层的端部附近。
    • 8. 发明授权
    • Optical information recording/reproducing device
    • 光信息记录/再现装置
    • US06434096B1
    • 2002-08-13
    • US09674023
    • 2000-10-24
    • Noritaka AkagiTsutomu KaiShuichi YoshidaKiyoshi MasakiTeruyuki NakaYasuo KashiwagiIsao Takemoto
    • Noritaka AkagiTsutomu KaiShuichi YoshidaKiyoshi MasakiTeruyuki NakaYasuo KashiwagiIsao Takemoto
    • G11B700
    • G11B7/0901G11B7/094G11B7/0941G11B7/0956
    • In order to correct the change in the offset and amplitude of a tracking error signal because of the change in the position of an object lens from the center of an optical pickup, the offset amount and amplitude value of the tracking error signal with respect to the displacement amount of the object lens from the center of the optical pickup are checked beforehand, and the displacement amount of the object lens is estimated on the basis of a tracking correction signal by using an object lens displacement observer. An offset detection section and an amplitude detection section detect the offset amount and amplitude value of the tracking error signal respectively, and the tracking error signal is corrected by an offset correction circuit and an amplitude correction circuit on the basis of the offset amount and amplitude value having been checked beforehand so that the offset amount and the amplitude value of the tracking error signal become identical to those obtained when the displacement amount of the object lens is zero. In addition, the offset of the tilt error signal depending on the movement direction of the optical pickup 2 is detected and recorded beforehand, and the tilt error signal is corrected on the basis of the above-mentioned recorded offset when a rotation direction detection section detects the moving direction of the optical pickup.
    • 为了校正由于物镜的位置从光学拾取器的中心的变化引起的跟踪误差信号的偏移和振幅的变化,跟踪误差信号的偏移量和振幅值相对于 预先检查物镜从光学拾取器的中心的位移量,并且通过使用物镜位移观察器基于跟踪校正信号来估计物镜的位移量。 偏移检测部分和振幅检测部分分别检测跟踪误差信号的偏移量和振幅值,并且基于偏移量和振幅值由偏移校正电路和振幅校正电路校正跟踪误差信号 预先检查,使得跟踪误差信号的偏移量和振幅值变得与当物镜的位移量为零时获得的偏移量和振幅值相同。 此外,预先检测并记录与光学拾取器2的移动方向相对应的倾斜误差信号的偏移,并且当旋转方向检测部检测到时,基于上述记录偏移来校正倾斜误差信号 光学拾取器的移动方向。
    • 10. 发明授权
    • Image forming apparatus having a plurality of support surfaces
    • 具有多个支承面的图像形成装置
    • US5457517A
    • 1995-10-10
    • US162431
    • 1993-12-02
    • Noboru KatakabeMasahiro AizawaShunji OnoboriTeruyuki Naka
    • Noboru KatakabeMasahiro AizawaShunji OnoboriTeruyuki Naka
    • G03G15/00G03G15/32H04N1/00
    • H04N1/00525G03G15/00G03G15/04045G03G15/326G03G2215/00012
    • An image forming apparatus according to the present invention includes: a photosensitive body; an exposing device for irradiating the photosensitive body with a light to form a latent image on the photosensitive body; a developing device for developing the latent image formed on the photosensitive body to form a developer image; a transfer roller for transferring the developer image on a recording paper; a fixing device for thermally fixing a transferred image on the recording paper after image transference; and a case for accommodating the photosensitive body, the exposing device, the developing device, the transfer roller and the fixing device, the case having at least six planes, two or more of the planes provided around an axis of the photosensitive body, being placement planes which are usable as a bottom during an image forming operation. The fixing device is always above the photosensitive body and the developing device, regardless of which plane is selected from the two or more placement planes as a bottom when the apparatus performs the image forming operation.
    • 根据本发明的图像形成装置包括:感光体; 用于用光照射感光体以在感光体上形成潜像的曝光装置; 用于显影形成在感光体上的潜像以形成显影剂图像的显影装置; 用于将显影剂图像转印到记录纸上的转印辊; 用于在图像转移之后将转印图像热定影在记录纸上的定影装置; 以及用于容纳感光体,曝光装置,显影装置,转印辊和定影装置的壳体,壳体具有至少六个平面,围绕感光体的轴线设置的两个或更多个平面布置 在成像操作期间可用作底部的平面。 当设备进行图像形成操作时,固定装置总是位于感光体和显影装置的上方,而不管从两个或多个放置平面中选择哪个平面作为底部。