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    • 3. 发明授权
    • Film scanning apparatus
    • 胶片扫描装置
    • US6088054A
    • 2000-07-11
    • US3385
    • 1998-01-06
    • James R. KoudelkaAndrea S. RiversJoel D. DeCaroJeffery R. Hawver
    • James R. KoudelkaAndrea S. RiversJoel D. DeCaroJeffery R. Hawver
    • H04N3/40H04N7/18
    • H04N3/40
    • A film scanner is disclosed including an image sensor moveable to a scan position for scanning image frames of an elongated film having a series of edge perforations including a reference perforation for each image frame. The film scanner further includes an intermittent film transport mechanism for moving an image frame to a scanning position, and a sensor transport assembly mounted relative to the intermittent film transport mechanism and moveable in hop and weave directions. The sensor transport assembly includes a structure for mounting the image sensor for movement in the hop and weave directions, a detector mounted relative to the image sensor for detecting the reference perforation and for producing hop and weave signals, and circuitry responsive to the hop and weave signals to move the sensor transport assembly in the hop and weave directions to align the detector over the reference perforation, so that the image sensor is aligned with the image frame so that the image frame can be scanned.
    • 公开了一种胶片扫描器,其包括可移动到扫描位置的图像传感器,用于扫描具有一系列边缘穿孔的细长膜的图像帧,所述边缘穿孔包括用于每个图像帧的参考穿孔。 胶片扫描器还包括用于将图像帧移动到扫描位置的间歇胶片传送机构,以及相对于间歇胶片传送机构安装并且能够在跳跃和编织方向上移动的传感器传送组件。 传感器传输组件包括用于安装图像传感器以在跳跃和编织方向上移动的结构,相对于图像传感器安装的检测器,用于检测参考穿孔并产生跳跃和编织信号,以及响应于跳跃和编织的电路 信号使传感器传输组件以跳跃和编织方向移动以使检测器对准参考穿孔,使得图像传感器与图像帧对准,使得可以扫描图像帧。
    • 4. 发明授权
    • Film scanning apparatus with motorized weave correction
    • 具有电动编织校正的胶片扫描装置
    • US06169571A
    • 2001-01-02
    • US09057064
    • 1998-04-08
    • Andrea S. RiversJames R. KoudelkaJeffery R. Hawver
    • Andrea S. RiversJames R. KoudelkaJeffery R. Hawver
    • H04N5253
    • H04N3/38H04N5/253
    • A film scanner is disclosed including a linear image sensor moveable to a scan position for scanning lines of image frames of an elongated film having a series of edge perforations including a reference perforation for each image frame. The film scanner further includes a rotating film gate for supporting the film in the scan position wherein the rotating film gate includes a rotatable encoder for producing an encoder signal indicative of the position of the film as it passes through the rotating film gate, a film transport mechanism for advancing the film through the rotating gate, a perforation detector mounted relative to the scan line of the image frame located at the scan position for producing hop and weave signals in response to detection of the reference perforation, a sensor transport assembly mounted relative to the rotating film gate and moveable in a weave direction, and including means for mounting the image sensor for movement in the weave direction, and signal processing means responsive to the weave signal for causing the sensor transport assembly to move the linear image sensor in the weave direction to align the linear image sensor with the image frame associated with the reference perforation, and further including means responsive to the hop signal and the encoder signal for producing a start scan signal.
    • 公开了一种胶片扫描器,其包括可移动到扫描位置的线性图像传感器,用于扫描具有一系列边缘穿孔的细长膜的图像帧的线,所述边缘穿孔包括用于每个图像帧的参考穿孔。 胶片扫描器还包括旋转胶片门,用于将胶片支撑在扫描位置,其中旋转胶片门包括可旋转编码器,用于产生指示胶片通过旋转胶片门时位置的编码器信号,胶片传送 用于通过旋转门推进胶片的机构,相对于位于扫描位置处的图像帧的扫描线安装的穿孔检测器,用于响应于参考穿孔的检测而产生跳跃和编织信号;传感器传输组件,相对于 旋转胶片门,并且可以在编织方向上移动,并且包括用于安装用于在编织方向上移动的图像传感器的装置,以及响应于编织信号的信号处理装置,用于使传感器传送组件将织物中的线性图像传感器移动 方向将线性图像传感器与与参考穿孔相关联的图像帧对准,f 还包括响应于跳信号和编码器信号以产生起始扫描信号的装置。
    • 5. 发明授权
    • Detection and correction of skew between a reference and lenticules in
lenticular material
    • 透镜材料中参考和微透镜之间的偏斜的检测和校正
    • US6087054A
    • 2000-07-11
    • US217030
    • 1998-12-21
    • Joshua M. CobbAndrea S. RiversJeffrey R. Hawver
    • Joshua M. CobbAndrea S. RiversJeffrey R. Hawver
    • B41J2/44G01B11/00G02B26/10G02B27/00G02B27/22G03B35/00G03C9/00
    • G02B27/0031G02B27/2214Y10S430/147
    • A lenticular image product is formed from a lenticular material having an array of cylindrical lenses and a photographic emulsion coated thereon, by scanning the lenticular material with an intensity modulated first beam of light in a direction parallel to the long axes of the cylindrical lenses to form a latent lenticular image in the photographic emulsion. A second beam of light having a wavelength outside of the range of sensitivity of the photographic emulsion is focused into two distinct spots or a line both with a width smaller than the pitch of the cylindrical lenses onto the lenticular material. The lenticular material is moved through the beam in a direction perpendicular to the axes of the cylindrical lenses to provide a page scan motion of the lenticular material and to modulate the angle of reflection or refraction of the second beam of light. The position of the angularly modulated second beam of light is sensed at two locations along the long axes of the lenticules to generate a skew correction signal to control the alignment of a writing beam to the lenticular material.
    • 透镜状图像产品由具有圆柱形透镜阵列和其上涂覆有照相乳剂的双凸透镜材料形成,通过在与柱面透镜的长轴平行的方向上用强度调制的第一光束扫描双凸透镜材料以形成 照相乳剂中的潜在透镜图像。 具有超出感光乳剂的灵敏度范围的波长的第二光束被聚焦成两个不同的斑点或两个具有小于柱面透镜的间距的宽度的直线。 透镜材料沿着垂直于柱面透镜的轴线的方向移动通过光束,以提供双凸透镜材料的页面扫描运动并且调制第二光束的反射或折射角度。 在沿着微透镜的长轴的两个位置处感测角度调制的第二光束的位置,以产生偏斜校正信号,以控制书写光束对透镜材料的对准。