Image reading apparatus and method
    12.
    发明授权
    Image reading apparatus and method 失效
    图像读取装置及方法

    公开(公告)号:US06967752B1

    公开(公告)日:2005-11-22

    申请号:US09667605

    申请日:2000-09-22

    CPC classification number: H04N1/6094 H04N1/407

    Abstract: An image reading apparatus and method in which no complicated control is carried out and suitable adjustment of the color balance can be carried out in accordance with the type of a photographic material. First, the type of a photographic film to be read is acquired. When the photographic film is a negative film or a sepia-tone film, a filter for negative film is set on an optical axis of illumination light. When the photographic film is a positive film or a black-and-white film, a filter for positive film is set on the optical axis of illumination light. In either state, a film image on the photographic film is read.

    Abstract translation: 一种图像读取装置和方法,其中不进行复杂的控制,并且可以根据照相材料的类型进行适当的色平衡调整。 首先,获取要读取的摄影胶片的类型。 当照相胶片是负片或深褐色膜时,将负片用滤光器设置在照明光的光轴上。 当照相胶片是正片或黑白胶片时,在照明光的光轴上设置用于正片的滤光片。 在任一状态下,读取照相胶片上的胶片图像。

    Image reading method and apparatus
    13.
    发明授权
    Image reading method and apparatus 有权
    图像读取方法和装置

    公开(公告)号:US06603583B1

    公开(公告)日:2003-08-05

    申请号:US09334682

    申请日:1999-06-17

    Abstract: An image reading apparatus and method is realized which can obtain light correction data with accurately and without involving a complicated operation. A turret including balance filters for a negative film and for a positive film, respectively, is provided in the image reading apparatus. When light correction data is acquired, the turret is controlled so that the positive-film balance filter is inserted and located on an optical axis L of light emitted from a lamp, and in a state in which a photographic film is not set in a film carrier, light correction data is generated based on image data outputted from a line CCD. At the time of reading images on the photographic film, when a negative film is used as the photographic film, the negative-film balance filter is inserted and located on the optical axis L, and when a positive film is used as the photographic film, the positive-film balance filter is inserted and located on the optical axis L. Further, light correction is performed for image data inputted from the line CCD using the above-described light correction data.

    Abstract translation: 实现了能够准确地获得光校正数据而不涉及复杂的操作的图像读取装置和方法。 在图像读取装置中设置有分别包括负片和正片的平衡滤光片的转台。 当获取光校正数据时,转塔被控制,使得正片平衡滤光片插入并位于从灯发出的光的光轴L上,并且在照相胶片未设置在膜中的状态 基于从线CCD输出的图像数据生成光校正数据。 在摄影胶片上读取图像时,当使用负片作为照相胶片时,将负片平衡滤光片插入并位于光轴L上,当使用正片作为摄影胶片时, 将正片平衡滤光片插入并位于光轴L上。此外,使用上述光校正数据对从线CCD输入的图像数据进行光校正。

    Exposure control method and photographic printer
    15.
    发明授权
    Exposure control method and photographic printer 失效
    曝光控制方法和照相打印机

    公开(公告)号:US5877846A

    公开(公告)日:1999-03-02

    申请号:US711745

    申请日:1996-09-10

    CPC classification number: G03B27/735 G03B2227/005

    Abstract: A photographic printer for displaying an image on a liquid crystal panel, irradiating the light from a light source on said liquid crystal panel and exposing said image on a photosensitive material for a predetermined exposure time by the light transmitted through said liquid crystal panel is disclosed. Further, a method for controlling an exposure in such a photographic printer is disclosed. Before displaying an image on the liquid crystal panel, the drive voltage for producing a predetermined transmitted light amount is measured. On the basis of the difference between the measured voltage and the theoretical voltage for producing the predetermined transmitted light amount, an offset value of the drive voltage is adjusted. Accordingly, the operational error of the printer due to temperature change, due to the difference of the light transmittance between crystal panels, or due to the difference of the characteristic of voltage v.s. light transmittance between crystal panels is reduced.

    Abstract translation: 公开了一种用于在液晶面板上显示图像的照相打印机,用于将来自光源的光照射在所述液晶面板上,并通过透过所述液晶面板的光将所述图像曝光在感光材料上达预定曝光时间。 此外,公开了一种用于控制这种照相打印机中的曝光的方法。 在液晶面板上显示图像之前,测量用于产生预定透射光量的驱动电压。 基于用于产生预定透射光量的测量电压和理论电压之间的差异,调节驱动电压的偏移值。 因此,由于温度变化导致的打印机的操作误差,由于晶体面板之间的透光率差异,或者由于电压vs.s的特性的差异。 晶体面板之间的透光率降低。

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