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    • 1. 发明授权
    • Method of copying color exposures
    • 复印彩色曝光的方法
    • US4566786A
    • 1986-01-28
    • US717323
    • 1985-03-29
    • Manfred FursichHelmut TreiberBerthold FerggGunter FindeisWolfgang Zahn
    • Manfred FursichHelmut TreiberBerthold FerggGunter FindeisWolfgang Zahn
    • G03B27/73G03C5/08G03B27/32G03B27/80
    • G03B27/73
    • A film has a series of exposed and developed negatives. Each negative is scanned at a multiplicity of regions, and the densities of each region in the three primary colors are measured. A blue/red density differential is derived for each region by subtracting the red density of a respective region from its blue density. The neutral density of each region is calculated, and every region is assigned a coordinate on a plot of blue/red density differential versus neutral density. According to one embodiment, the blue/red density differential for each region having a neutral density equal to or greater than a limiting value is then subtracted from the blue/red density differential given by a characteristic curve for the film. The differences obtained in this manner are analyzed, at least for selected negatives, and the minimum difference for each selected negative is determined. The region corresponding to the minimum difference is that region of a negative having the maximum blue density. The blue/red density differential for the region of maximum blue density is compared with a pair of reference values derived from respective reference curves representing blue/red density differential as a function of neutral density. Based on the results of this comparison, each selected negative is classified as to whether it was exposed by artificial light or natural light, and is assigned an appropriate color correction factor for copying. Another embodiment is employed if the characteristic curve is found to lie near one of the reference curves. Here, the steps of subtracting blue/red density differentials and analyzing the resulting differences are omitted, and all negatives of the film are immediately classified as having been exposed by artificial light.
    • 一部电影有一系列暴露和发展的负面影片。 每个负数在多个区域被扫描,并且测量三原色中每个区域的密度。 通过从其蓝色密度减去相应区域的红色密度,为每个区域导出蓝色/红色浓度差异。 计算每个区域的中性密度,并且在蓝色/红色密度差异与中性密度的图上分配每个区域的坐标。 根据一个实施例,然后从具有等于或大于极限值的中性密度的每个区域的蓝/红密度差被从由薄膜的特性曲线给出的蓝/红密度差减去。 分析以这种方式获得的差异,至少对于所选择的否定,并确定每个所选阴性的最小差异。 对应于最小差的区域是具有最大蓝色密度的负区域。 将最大蓝色密度区域的蓝色/红色浓度差异与从表示蓝色/红色密度差异的各个参考曲线导出的一对参考值作为中性密度的函数进行比较。 基于该比较的结果,每个选择的阴性被分类为是否被人造光或自然光曝光,并且被赋予适当的颜色校正因子进行复制。 如果发现特征曲线位于一个参考曲线附近,则采用另一个实施例。 这里,省略减去蓝色/红色浓度差异并分析所得差异的步骤,并且将膜的所有负片立即分类为已经通过人造光曝光。
    • 2. 发明授权
    • Method and apparatus for making color prints
    • 彩色打印方法和设备
    • US4192605A
    • 1980-03-11
    • US903691
    • 1978-05-08
    • Berthold FerggGunter FindeisWolfgang Zahn
    • Berthold FerggGunter FindeisWolfgang Zahn
    • G03B27/72G03B27/73G03B27/78
    • G03B27/735
    • Color prints from transparencies which constitute frames or sections of universal film are made on printing paper by ascertaining the quotient or difference of integrated transmittance of the transparencies in green and red light, comparing the signal which denotes such ratio with a variable reference signal whereby the resulting comparison signal denotes the color temperature of light by which the respective transparency was exposed, and carrying out color corrections to depart from correction to neutral gray in dependency upon whether the ascertained color temperature denotes exposure in daylight or artificial light. The value of the reference signal is changed in such a way that the intensity of the ratio-designating signal which is necessary for generation of a comparison signal denoting the switchover point between the classification of transparencies into those respectively exposed by daylight and artificial light is lowered when the overall density of the transparency is lower and vice versa.
    • 通过确定透明胶片在绿色和红色光中的积分透光率的商或差,在印刷纸上制作由透明胶片构成的透明胶片的彩色印刷品,将表示该比例的信号与可变参考信号进行比较,由此得到 比较信号表示相应的透明度曝光的光的色温,并且根据所确定的色温是否表示在日光或人造光中的曝光,进行颜色校正以偏离校正至中性灰色。 参考信号的值被改变,使得生成表示透明度分类之间的切换点的比较信号所需的比率指定信号的强度降低到由日光和人造光曝光的投影胶片中的切换点的强度降低 当透明度的总体密度较低时,反之亦然。
    • 3. 发明授权
    • Method of and an arrangement for calibrating a color copying apparatus
    • 用于校准彩色复印设备的方法和装置
    • US4464045A
    • 1984-08-07
    • US385923
    • 1982-06-07
    • Gunter FindeisBerthold FerggWolfgang ZahnGerhard Kuhn
    • Gunter FindeisBerthold FerggWolfgang ZahnGerhard Kuhn
    • G03G15/01G03B27/73G03G13/01G03B27/80
    • G03B27/73
    • A color copying apparatus having a photoelectric color exposure control device is calibrated by making a copy of a calibrating original, which includes a gray stepped wedge, on a photographic copying material using an exposure determined by the photoelectric color exposure control device and assumed to be proper for achieving the desired density values in the developed image of the calibrating original. The density of the developed image of the gray stepped wedge is then measured in order to obtain actual density values, which are compared with corresponding desired density values. Finally, the photoelectric color exposure control device is adjusted for achieving the required exposure correction as determined during the comparison of the actual and desired values. The calibration is performed for each of the individual values so that correction of the control device is also achieved for each of the corresponding colors.
    • 具有光电颜色曝光控制装置的彩色复印装置通过使用由光电颜色曝光控制装置确定的曝光并且假定为适当的方式将包括灰阶梯形楔的校准原稿的副本制成在照相复印材料上来校准 用于在校准原件的显影图像中实现所需的密度值。 然后测量灰阶梯楔的显影图像的密度,以便获得与相应的期望密度值进行比较的实际密度值。 最后,调整光电颜色曝光控制装置以实现在实际和期望值的比较期间确定的所需曝光校正。 对于每个单独的值执行校准,使得对于每个相应的颜色也实现了控制装置的校正。
    • 6. 发明授权
    • Label for use on containers for photographic film or the like
    • 用于照相胶片等的容器上的标签
    • US3946507A
    • 1976-03-30
    • US483670
    • 1974-06-27
    • Berthold FerggWolfgang ZahnFriedrich Hujer
    • Berthold FerggWolfgang ZahnFriedrich Hujer
    • G09F3/02A44C3/00
    • G09F3/0288
    • A rectangular label wherein a rectangular central portion is disposed between two rectangular sections having their rear sides provided with coats of adhesive. The front side of the central label portion bears imprinted information pertaining to the cost of developing of photographic film, the number of prints to be made from film, the price per print, the nature of film and/or the size of each print. The adhesive-coated sections are partially separated from the central portion by rows of perforations so that the central portion can be completely separated from the sections while the sections adhere to an envelope in order to at least partially close an open end of the envelope. Additional information may be imprinted onto the front side of at least one section to remain on the envelope, either as a bill to the dealer or as a bill to the customer. At least one of the adhesive-coated sections is provided with a fold line so that it can be readily folded over the open end of an envelope.
    • 矩形标签,其中矩形中心部分设置在两个矩形部分之间,其两侧设有粘合剂涂层。 中央标签部分的前侧具有关于照相胶卷的显影成本,从胶片制成的打印数量,每张打印的价格,胶片的性质和/或每个印刷品的尺寸的印记信息。 粘合剂涂覆的部分通过一排穿孔部分地从中心部分分离,使得中心部分可以与部分完全分离,同时部分粘附到信封上,以便至少部分地封闭信封的开口端。 附加信息可能印在至少一个部分的正面,以保留在信封上,作为对经销商的帐单或作为客户的帐单。 粘合剂涂覆部分中的至少一个设置有折叠线,使得其可以容易地折叠在信封的开口端上。
    • 7. 发明授权
    • Method and apparatus for photoelectrophoretic-color-process copying
    • 用于光电泳色彩处理复印的方法和装置
    • US4169672A
    • 1979-10-02
    • US858165
    • 1977-12-07
    • Berthold FerggWolfgang Zahn
    • Berthold FerggWolfgang Zahn
    • B05C5/00G03G17/04G03G15/00
    • G03G17/04
    • A first and second electrode web, of which at least one is transparent, are transported along respective paths both passing through an exposure station. A toner applicator upstream of the exposure station applies to the first web a uniform layer of toner suspension. Upstream of the exposure station, the coated first web and the second web are sandwiched to form a sandwiched film pack in which the toner suspension layer is located intermediate the two webs. The transport of at least that section of the webs constituting the sandwiched film pack at the exposure station is intermittent, but nevertheless the relative movement between the toner applicator and the first web is maintained uninterruptedly unidirectional and of uninterruptedly constant speed. At the exposure station, a color toner image is formed, on a whole-image basis, by projecting the whole image to be copied onto the toner suspension layer of the film pack section through the transparent web thereof while such section is at a standstill at the exposure station, and a corresponding color toner image is produced photoelectrophoretically. Downstream of the exposure station, the color toner image is transferred onto copy material.
    • 其中至少一个是透明的第一和第二电极纤维网沿着穿过曝光站的相应路径传送。 在曝光站上游的调色剂施加器将第一幅材施加均匀的调色剂悬浮层。 在曝光站的上游,涂覆的第一纤维网和第二纤维网夹在中间形成夹层膜,其中调色剂悬浮层位于两个纸幅之间。 至少在曝光站处构成夹层膜组件的网的部分的传送是间歇的,但是调色剂涂布器和第一织物之间的相对移动保持不间断的单向和不间断的恒定速度。 在曝光站,通过将整个图像复制到胶片组件的调色剂悬浮层上,通过透明幅材将整个图像投影在整个图像基础上,形成彩色调色剂图像,同时这个部分处于静止状态 曝光站和相应的彩色调色剂图像。 在曝光站的下游,彩色调色剂图像被转印到复印材料上。
    • 8. 发明授权
    • Automatic color printing apparatus
    • 自动彩色打印机
    • US4101217A
    • 1978-07-18
    • US711595
    • 1976-08-04
    • Berthold FerggWolfgang ZahnWalter Knapp
    • Berthold FerggWolfgang ZahnWalter Knapp
    • G03B27/02G03B27/73G03G15/01G03G15/04G03G15/043G03B27/78
    • G03B27/735
    • An exposure control for use in photographic color printing apparatus has transducers which are sensitized in the additive primary colors and scan discrete areas of an original to transmit appropriate signals to integrator circuits which, in turn, transmit signals for regulation of the ratio of primary colors in printing light. The transducers further transmit signals to circuits which determine the presence of one or more areas of predominant color in an original and modify the signals which are transmitted to the integrators, either by weakening the intensity or by preventing the transmission of corresponding transducer signals. Detection of areas of predominant color can result in generation of signals which are used to contribute to determination of the total amount of printing light.
    • 用于照相彩色印刷装置的曝光控制装置具有以附加原色和原稿的扫描离散区域敏化的换能器,以将合适的信号传输到积分器电路,而积分器电路又传送用于调节原色比率的信号 打印灯。 换能器还将信号发送到电路,该电路确定原件中主要颜色的一个或多个区域的存在,并且通过削弱强度或通过防止相应的换能器信号的传输来修改发送到积分器的信号。 主要颜色区域的检测可以产生用于有助于确定打印光总量的信号。