Photographic copying apparatus
    21.
    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分类号: G03B27/34 G02B7/10

    摘要: 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.

    摘要翻译: 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。

    Apparatus for storing flexible webs on the cores of takeup reels
    22.
    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分类号: G03B27/587 B65H19/28 G03B1/58

    摘要: 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.

    摘要翻译: 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
    23.
    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

    IPC分类号: G03B27/46 G03B27/58 G03B27/62

    CPC分类号: G03B27/587

    摘要: 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.

    摘要翻译: 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
    24.
    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分类号: G03B27/735

    摘要: 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.

    摘要翻译: 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
    25.
    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分类号: G03B27/72

    摘要: 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.

    摘要翻译: 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
    26.
    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

    IPC分类号: G03B27/80 G03B27/72 G03B27/78

    CPC分类号: G03B27/72

    摘要: 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.

    摘要翻译: 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。

    Color printing method and apparatus
    27.
    发明授权
    Color printing method and apparatus 失效
    彩色打印方法和装置

    公开(公告)号:US4873546A

    公开(公告)日:1989-10-10

    申请号:US264399

    申请日:1988-10-28

    摘要: Light containing blue, green and red radiation is passed through a colored original which is to be printed on color copy material. The transmitted light is spread out into a color spectrum which extends across a first wavelength range generally corresponding to the blue portion of the spectrum, a second wavelength range generally corresponding to the green portion of the spectrum and a third wavelength range generally corresponding to the red portion of the spectrum. The intensity of the transmitted light is measured throughout the spectrum and average of the resulting raw intensities are taken oer each of a series of wavelength intervals which are much shorter than the first, second and third ranges. The copy material has a gamma value for each wavelength interval and such gamma value represents the spectral sensitivity of the copy material in the corresponding interval. The average intensity for each wavelength interval is multiplied by the respective gamma value to yield a corrected intensity. The corrected intensities for each wavelength range are summed to generate first, second and third sums corresponding to the first, second and third ranges and respectively representing the blue, green and red densities of the original. The first, second and third sums are used to calculate the respective amounts of blue, green and red light required to print the original with a neutral gray density.

    摘要翻译: 含有蓝色,绿色和红色辐射的光通过将被打印在彩色复印材料上的彩色原稿。 透射的光被扩散到彩色光谱中,该色谱线延伸跨越通常对应于光谱的蓝色部分的第一波长范围,通常对应于光谱的绿色部分的第二波长范围和通常对应于红色的第三波长范围 部分光谱。 在整个光谱中测量透射光的强度,并且所得到的原始强度的平均值采用比第一,第二和第三范围短得多的一系列波长间隔中的每一个。 复制材料对于每个波长间隔具有伽马值,并且这样的伽马值表示复制材料在相应间隔中的光谱灵敏度。 每个波长间隔的平均强度乘以相应的伽马值以产生校正强度。 将每个波长范围的校正强度相加以产生对应于第一,第二和第三范围的第一,第二和第三和,并分别表示原始的蓝色,绿色和红色密度。 第一,第二和第三和用于计算以中性灰度密度打印原稿所需的蓝色,绿色和红色光的各自的量。

    Method of and apparatus for copying photographic originals
    28.
    发明授权
    Method of and apparatus for copying photographic originals 失效
    复印照相原稿的方法和装置

    公开(公告)号:US4565442A

    公开(公告)日:1986-01-21

    申请号:US666366

    申请日:1984-10-30

    CPC分类号: G03B27/735 G03B27/462

    摘要: A series of exposed and developed film strips having various lengths are spliced end-to-end for copying. The resulting band passes through a density measuring station in which the densities of the negatives are measured in the three primary colors and next through a magazine of variable capacity in which a portion of the band accumulates before entering a negative copying station including an exposure control device which regulates the exposures of the negatives on the measured basis of the density values. To insure that values derived from a selected strip are transferred to the exposure control unit when the strip enters the copying station, the splice immediately downstream of the selected strip is arrested in the density measuring station. The band continues to be drawn through the copying station so that the portion which has accumulated in the magazine is fully withdrawn. The portion of the band between the arrested splice and a splice sensor in the copying station has a known length. The arrested junction is now released and a length measuring device begins to measure the length of the portion travelling through the copying station. If the sensor detects a splice when the measured length equals the known length, this splice is the previously arrested splice.

    摘要翻译: 一系列具有不同长度的曝光和显影的胶片条被端对端拼接以进行复印。 所得到的带通过密度测量站,其中底片的密度以三原色测量,接下来通过可变容量的盒,其中一部分带进入包括曝光控制装置的负复印台之前累积 其根据密度值的测量基准来调节底片的曝光。 为了确保当条带进入复印站时,从所选择的条带获得的值被传送到曝光控制单元,则在密度测量站中紧接所选条带下游的接合。 乐队继续通过复印台画画,使得积累在杂志中的部分完全撤回。 在复制台中,被锁定的拼接和拼接传感器之间的带的部分具有已知的长度。 被拘捕的交汇处现在已经被释放,长度测量装置开始测量穿过复印站的部分的长度。 如果传感器在测量长度等于已知长度时检测到接头,则该接头是先前已被锁定的接头。

    Method and apparatus for automatically recognizing photographic
originals unsuitable for copying
    29.
    发明授权
    Method and apparatus for automatically recognizing photographic originals unsuitable for copying 失效
    自动识别不适合复印的照相原稿的方法和装置

    公开(公告)号:US4239384A

    公开(公告)日:1980-12-16

    申请号:US966314

    申请日:1978-11-29

    申请人: Helmut Treiber

    发明人: Helmut Treiber

    CPC分类号: G03B27/72

    摘要: A negative whose printability is to be automatically ascertained is subdivided into a central zone, a foreground zone, and a background zone. Whole-zone density signals are produced for the foreground and background zones, and the central zone is scanned to generate a maximum-density signal indicating the density of the maximum-density point within the central zone. The negative is rejected for being underexposed when both of two conditions are met: first, the larger of the foreground and background whole-zone density signals fails to exceed a first limit value; and second, the difference between the central-zone maximum-density signal, on the one hand, and the smaller of the foregound and background whole-zone density signals, on the other hand, fails to exceed a second limit value. The negative is rejected as overexposed when the average of the foreground and background whole-zone density signals fails to exceed a third limit value, irrespective of the density of the central zone. The negative is rejected as containing a meaningless motif, e.g., an adhesive sticker applied to the negative, when the central-zone maximum-density signal exceeds a fourth limit value, the density corresponding to the fourth limit value being higher than the density corresponding to the third limit value.

    摘要翻译: 可自动确定其印刷性的负面细分为中央区域,前景区域和背景区域。 为前景和背景区域产生全区密度信号,并扫描中央区域以产生指示中心区域内最大密度点密度的最大密度信号。 当满足两个条件时,负值被拒绝为曝光不足:首先,前景和背景全区密度信号中较大者不能超过第一极限值; 另一方面,一方面,中心区最大密度信号与前缘和背景全区密度信号之间的差异不能超过第二极限值。 当前景和背景全区域密度信号的平均值不能超过第三极限值时,与中心区域的密度无关,则负值被拒绝为过度曝光。 当中心区最大密度信号超过第四极限值时,负值被拒绝为包含无意义的图案,例如施加到负片的粘合剂贴纸,对应于第四极限值的密度高于对应于 第三限值。