Apparatus for and method for handling film in a photographic printer
    21.
    发明授权
    Apparatus for and method for handling film in a photographic printer 失效
    用于在照相打印机中处理胶片的设备和方法

    公开(公告)号:US5668625A

    公开(公告)日:1997-09-16

    申请号:US508619

    申请日:1995-07-28

    CPC classification number: G03B27/64

    Abstract: An apparatus and method for handling photographic film within the print-exposure section of a photographic printer. A mask matches the film frame (negative) and has a window for the passage of the exposure light. The mask also has holes through which air can be directed onto the film. A guide for the edges of the film parallels, and demarcates a gap with the mask. A source of air under either overpressure or underpressure supplies such air to the mask (4) and the film (1) through the air-direction openings (15). The air is supplied with overpressure while the film is being advanced. The air is supplied with underpressure while the print is being exposed to clamp the film.

    Abstract translation: 一种用于在照相打印机的打印曝光部分内处理照相胶卷的设备和方法。 掩模与胶片框架(阴性)匹配,并具有用于曝光光通过的窗口。 该面具还具有可以将空气引导到薄膜上的孔。 膜的边缘的引导件平行,并且与掩模划分出间隙。 过压或负压下的空气源通过空气方向开口(15)向面罩(4)和膜(1)供应这种空气。 当电影进行时,空气被提供超压。 当印刷品暴露以夹住胶片时,空气被提供负压。

    Method of and arrangement for determining the sharpness of originals for
reproduction
    22.
    发明授权
    Method of and arrangement for determining the sharpness of originals for reproduction 失效
    用于确定用于再现的原稿的清晰度的方法和装置

    公开(公告)号:US4649422A

    公开(公告)日:1987-03-10

    申请号:US706499

    申请日:1985-02-28

    CPC classification number: G03D15/001 G03B27/80

    Abstract: An original to be reproduced is scanned line-by-line, and a scanning signal is generated for each linear, scanned region. The scanning signals represent the densities of the respective regions. A portion of each scanning signal is filtered to remove the higher frequencies. The filtered signal is differentiated to yield first density gradients, and the extreme positive and negative values of the first density gradients are determined for each region. Another portion of each scanning signal is differentiated without first removing the higher frequencies thereby yielding second density gradients. The extreme positive and negative values of the second density gradients are likewise determined for each region. A ratio of the extreme positive second density gradient to the extreme positive first density gradient is formed for each region, as is a ratio of the magnitude of the extreme negative second density gradient to the magnitude of the extreme negative first density gradient. A pair of sharpness values is then established for each region by subtracting 1 from the respective ratios. All of the sharpness values are now grouped according to the second density gradients or, alternatively, according to the second density gradients, as well as the density ranges of the respective scanned regions. The magnitudes of the sharpness values in each group are summed, and the sums compared with respective reference values. The original is classified as to its sharpness depending upon the results of the comparison so that a judgment may be made as to whether the original is worthwhile reproducing.

    Abstract translation: 逐行扫描要再现的原稿,并为每个线性扫描区域生成扫描信号。 扫描信号表示各个区域的密度。 每个扫描信号的一部分被滤波以去除更高的频率。 滤波后的信号被分化以产生第一密度梯度,并且确定每个区域的第一密度梯度的极值正值和负值。 每个扫描信号的另一部分被区分,而不首先去除更高的频率,从而产生第二密度梯度。 对于每个区域,同样确定第二密度梯度的极值正值和负值。 对于每个区域形成极端正的第二密度梯度与极端的正的第一密度梯度的比率,以及极端的负的第二密度梯度的幅度与极端负的第一密度梯度的大小的比率。 然后通过从各自的比例中减去1来为每个区域建立一对锐度值。 所有锐度值现在根据第二密度梯度或者根据第二密度梯度以及各扫描区域的密度范围分组。 将每个组中的锐度值的大小相加,并且将总和与相应的参考值进行比较。 根据比较的结果,原件被分类为其清晰度,从而可以判断原件是否值得再现。

    Photographic copying apparatus
    23.
    发明授权
    Photographic copying apparatus 失效
    摄影复印机

    公开(公告)号:US4585338A

    公开(公告)日:1986-04-29

    申请号:US663991

    申请日:1984-10-22

    CPC classification number: G03B27/34 G02B7/10

    Abstract: In a photographic copying apparatus, in which the plane of the original and the plane of the copying material are positioned at the stable distance from each other, an objective has two optical elements which are adjustable relative to a reference position by means of the associated step motors in the axial direction so as to thereby adjust an image scale and a focus distance. A computer for controlling the step motors and two memory devices, connected to the computer, are provided in the apparatus. The data of the objective characteristics are stored in the first memory and specific apparatus data, as well as individual user's data, are programmed by a user and stored in the second memory. The computer controls the step motors in accordance with the capacities of the two memory devices.

    Abstract translation: 在其中原稿的平面和复印材料的平面位于彼此稳定距离的照相复印设备中,物镜具有两个光学元件,其通过相关的步骤相对于参考位置可调节 电动机沿轴向方向,从而调整图像尺度和对焦距离。 在该装置中设置有用于控制步进电机和连接到计算机的两个存储装置的计算机。 客观特性的数据存储在第一存储器中,特定装置数据以及各个用户的数据由用户编程并存储在第二存储器中。 计算机根据两个存储器件的容量控制步进电机。

    Method and arrangement for copying filmstrips
    24.
    发明授权
    Method and arrangement for copying filmstrips 失效
    复制膜的方法和装置

    公开(公告)号:US5192970A

    公开(公告)日:1993-03-09

    申请号:US760018

    申请日:1991-09-13

    CPC classification number: G03D15/003

    Abstract: An exposed and developed filmstrip and band of similar length are connected edge-to-edge. An address for each negative of the filmstrip is imprinted on the band in the form of a bar code adjacent to the respective negative. The negatives are scanned and exposure values are calculated for the negatives from the resulting data. The exposure values are used to make proofs, and the exposure values for each negative are then stored in a memory under the corresponding address. When an order for final copies of a particular negative is subsequently received, the address of the negative is read from the band and used to retrieve the respective exposure values from the memory. The final copies are thereupon made based upon the retrieved exposure values.

    Abstract translation: 曝光和显影的胶片和类似长度的胶带边缘到边缘连接。 影片的每个负片的地址以与相应负片相邻的条形码的形式印在乐队上。 扫描底片,并根据结果数据计算曝光值。 暴露值用于进行证明,然后将每个阴性的曝光值存储在相应地址下的存储器中。 当随后接收到特定否定的最终副本的命令时,从该带读取负数的地址并用于从存储器检索相应的曝光值。 随后根据检索到的曝光值进行最终拷贝。

    Apparatus for storing flexible webs on the cores of takeup reels
    25.
    发明授权
    Apparatus for storing flexible webs on the cores of takeup reels 失效
    用于在卷取卷轴的芯上存储柔性卷材的装置

    公开(公告)号:US4941620A

    公开(公告)日:1990-07-17

    申请号:US315468

    申请日:1989-02-23

    CPC classification number: G03B27/587 B65H19/28 G03B1/58

    Abstract: Apparatus for convoluting exposed and copied photographic films on the cores of takeup reels has an advancing mechanism which transports successive films along a given path so that the leaders of successive films can be engaged by the gripper of a pivotable arm serving to transfer the leader of the film in the path toward the peripheral surface of the core of an empty takeup reel. The reel has no flanges or is provided with a single flange carrying or adjacent a fixedly mounted or movable protuberance which defines with the peripheral surface of the core a gap for the leader of the film. Once the leader has entered the gap and the takeup reel is set in rotary motion, the film is wound onto the protuberance and is thus affixed to the core. The length of the protuberance is less than the axial length of the core but exceeds one-fourth of such axial length.

    Abstract translation: 用于在卷取卷轴的卷芯上卷绕曝光和复制的照相胶片的装置具有推进机构,其沿着给定的路径传送连续的胶片,使得连续胶片的前导件可以由可枢转的臂的夹持器接合, 在朝向空卷绕卷轴的芯的周边表面的路径中的胶片。 卷轴没有凸缘或设置有单个凸缘,其承载或邻近固定安装的或可移动的突起,其与芯的周边表面限定了胶片的引导件的间隙。 一旦领导者已经进入间隙并且卷绕卷轴被设置为旋转运动,则膜被卷绕到突起上,并因此固定到芯部。 突起的长度小于芯的轴向长度,但是超过这种轴向长度的四分之一。

    Apparatus for replacing rolls of customer films in copying machines
    26.
    发明授权
    Apparatus for replacing rolls of customer films in copying machines 失效
    用于在复印机中替换客户胶卷的装置

    公开(公告)号:US4919354A

    公开(公告)日:1990-04-24

    申请号:US264311

    申请日:1988-10-28

    CPC classification number: G03B27/587

    Abstract: A photographic copying machine wherein the images of successive frames on a long roll of spliced-together exposed and developed customer films are copied while successive films are advanced stepwise from a supply reel on a first driven mandrel toward and is convoluted on a takeup reel on a second driven mandrel. The copying machine employs a third mandrel which can support a fresh roll in the plane of the roll on the first mandrel, and a fourth mandrel which can support an empty takeup reel in the plane of the rotating takeup reel. The leader of the fresh roll is located adjacent the film path ahead of the copying station and is automatically advanced into the range of an automatic attaching mechanism when the trailing end of the expiring roll has advanced beyond the copying station. The attaching mechanism secures the leader of the fresh roll to the core of the empty takeup reel, and the machine is then ready to make copies of frames forming part of the fresh roll. The filled takeup reel on the second mandrel is replaced with an empty takeup reel and a fresh roll is placed onto the first mandrel while the machine copies the frames of the roll which is supported by the third mandrel and is convoluted on the takeup reel on the fourth mandrel.

    Abstract translation: 一种照相复印机,其中在长时间拼接在一起的已曝光和显影的客户胶片上的连续帧的图像被复印,而连续的胶片从第一驱动的心轴上的供应卷轴逐步前进并且卷绕在卷绕卷轴上 第二驱动心轴。 复印机采用第三心轴,其可以支撑在第一心轴上的辊的平面中的新卷,以及第四心轴,其可以支撑旋转的卷取卷轴的平面中的空卷绕卷轴。 新卷的前端位于复印台前面的胶片路径附近,当到期辊的后端超出复印台时,自动前进到自动连接机构的范围。 连接机构将新卷的前端固定到空的卷绕卷轴的芯部,然后机器准备复制形成新卷的一部分的框架。 在第二心轴上的填充卷绕卷轴被替换为空的卷绕卷轴,并且将新卷放置在第一心轴上,同时机器复制由第三心轴支撑并卷绕在卷绕卷轴上的卷的框架 第四个心轴。

    Color copying method
    27.
    发明授权
    Color copying method 失效
    彩色复印方式

    公开(公告)号:US4561768A

    公开(公告)日:1985-12-31

    申请号:US610399

    申请日:1984-05-15

    CPC classification number: G03B27/735

    Abstract: An exposed and developed strip of film has a series of frames which are to be copied. The strip is scanned at a multiplicity of regions to measure the transparencies in the three primary colors, and the most transparent region of the film strip is established. The neutral density of each region of a frame is calculated as are the density differences between the respective region and the most transparent region in the three primary colors. The color density differences for each region are plotted on a color density diagram having six equally spaced axes which radiate from a common origin. The origin is defined by the color densities of the most transparent region while the respective axes represent the three primary colors and the three complementary colors. The color density diagram is divided into four color segments. The density differences for each region are vectorially added in the color density diagram to generate a resultant vector. The length of the resultant vector is compared with a reference value which is a function of the color segment into which the vector projects and is also a function of the difference in neutral density between the region under investigation and the most transparent region. If the length of the resultant vector is greater than the reference value, a color dominant is assumed to be present.

    Abstract translation: 曝光和显影的胶片带有一系列被复制的框架。 在多个区域扫描条带以测量三原色中的投影胶片,并且确定胶片条最透明的区域。 计算帧的每个区域的中性密度,即三原色中各个区域和最透明区域之间的密度差。 每个区域的颜色密度差绘制在具有从共同起源辐射的六个等间隔轴的色密度图上。 原点由最透明区域的颜色密度定义,而各轴代表三原色和三种互补色。 颜色密度图分为四个颜色段。 每个区域的密度差向量加到色密度图中以生成合成矢量。 将所得到的矢量的长度与作为矢量投影的颜色段的函数的参考值进行比较,并且也是所研究区域和最透明区域之间的中性密度差的函数。 如果所得到的矢量的长度大于参考值,则假设存在着色显性。

    Determination of extreme density values of a transported strip of
photographic originals
    28.
    发明授权
    Determination of extreme density values of a transported strip of photographic originals 失效
    确定运送的照片原件的极端密度值

    公开(公告)号:US4176964A

    公开(公告)日:1979-12-04

    申请号:US830867

    申请日:1977-09-06

    CPC classification number: G03B27/72

    Abstract: Light from a light source is transmitted through an original at a scanning station to a light detector. A rotating scanning disk located in the path of this light is provided with equiangularly spaced radial scanning slots. A light-blocking plate located between the light source and the scanning disk defines a scanning slot extending transverse to the transport direction of the original. Light passing through both the original and the transverse scanning slot is projected as a slot image onto the surface of the scanning disk. The radial slots and the transverse slot cooperate to define a scanning spot which sweeps across the original, and thereby performs one line-scan operation, as one radial slot sweeps across the slot image on the scanning disk. The angular span between adjoining radial slot is greater than that of the slot image so that, during intermediate intervals between successive line-scan operations, light transmitted through the original does not reach the light detector. During the intermediate time intervals, reference light from the light source is directed onto the light detector along a reference light path not passing through the original. An evaluating circuit receives both the signal produced by the light detector during a line-scan operation and the signal produced during the preceding or subsequent intermediate time interval, and in dependence upon the values of both signals produces a signal whose value indicates the density of the extreme-density scanned spot on the scanned original.

    Abstract translation: 来自光源的光通过扫描站处的原稿传输到光检测器。 位于该光路中的旋转扫描盘设置有等角度间隔开的径向扫描槽。 位于光源和扫描盘之间的遮光板限定横向于原稿的传送方向延伸的扫描槽。 通过原稿横向扫描狭缝的光线作为插槽图像被投影到扫描盘的表面上。 径向狭槽和横向狭缝合作以限定扫过原稿的扫描点,从而进行一次扫描扫描操作,因为一个径向槽扫过扫描盘上的狭槽图像。 相邻的径向槽之间的角度跨度大于缝隙图像的角度跨度,使得在连续行扫描操作之间的中间间隔期间,透过原稿的光线未到达光检测器。 在中间时间间隔期间,来自光源的参考光沿着不通过原稿的参考光路被引导到光检测器上。 评估电路在线扫描操作期间接收由光检测器产生的信号和在前一或之后的中间时间间隔期间产生的信号,并且根据两个信号的值产生一个信号,该信号的值表示 扫描原稿上的极光扫描点。

    Apparatus for determining the light transmissivity of film frames or the
like
    29.
    发明授权
    Apparatus for determining the light transmissivity of film frames or the like 失效
    用于确定胶片框架等的透光率的装置

    公开(公告)号:US4094604A

    公开(公告)日:1978-06-13

    申请号:US829786

    申请日:1977-09-01

    CPC classification number: G03B27/72

    Abstract: Apparatus for the determination of light transmissivity of film frames preparatory to the making of prints in a copying machine has a plate-like locating device for successive film frames, a light source at one side of the locating device, a group of photosensitive signal-generating elements at the other side of the locating device, and a diaphragm which is interposed between the locating device and photosensitive elements and has a hollow truncated pyramid, plate-like partitions and tubular components which confine light passing through the film frame on the locating device in such a way that a centrally located photosensitive element receives light from the entire film frame and all of the light which has passed through the central field of the frame, whereas each of the other photosensitive elements receives only that light which has passed through a single one of four L-shaped peripheral fields surrounding the central field of the frame. Light which reaches the centrally located element passes through the pyramid as well as around the pyramid. On the other hand, light which reaches the other photosensitive elements passes from the corresponding peripheral fields and thereupon through the tubular components of the diaphragm. Consequently, the signal which is transmitted by the centrally located element is indicative of transmissivity of the entire frame, and the signals transmitted by the other elements are indicative solely of transmissivity of the respective peripheral frames.

    Abstract translation: 用于确定在复印机中制作印刷品的胶卷框架的透光率的装置具有用于连续胶片框架的板状定位装置,定位装置一侧的光源,一组光敏信号产生装置 位于定位装置的另一侧的元件以及插入在定位装置和感光元件之间的隔膜,并具有中空的截棱锥体,板状分隔件和管状部件,其将通过胶片框架的光限制在定位装置上 中央定位的感光元件接收来自整个胶片框架的光和已经穿过框架的中心场的所有光的方式,而每个其它光敏元件仅接收通过单个光源的光 围绕框架中心场的四个L形外围场。 到达位于中心的元件的光通过金字塔以及金字塔周围。 另一方面,到达其它感光元件的光从相应的外围场通过隔膜的管状部件。 因此,由中央定位的元件发送的信号指示整个帧的透射率,并且由其他元件发送的信号仅指示各个外围帧的透射率。

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