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    • 1. 发明授权
    • Continuous process for indirect printing of polymeric films having texture
    • 用于间接印刷具有纹理的聚合物膜的连续方法
    • US06676869B2
    • 2004-01-13
    • US10028617
    • 2001-12-21
    • Brandon T. BergTony B. HollobaughDavid D. NguyenBruce H. KoehlerBruce A. Nerad
    • Brandon T. BergTony B. HollobaughDavid D. NguyenBruce H. KoehlerBruce A. Nerad
    • B29C4324
    • B41M5/0064B29C37/0025B29C43/222B29C47/00B29C47/0021B29C59/025B29C2795/005B41M7/0081Y10T428/2462
    • Described is a method of indirect printing on a thermoplastic film having texture, wherein said method comprises: a) providing a heated thermoplastic melt; b) providing a tool having a molding portion that comprises a texture having a surface and a plurality of cavities in said surface, and that comprises a material having a surface energy sufficient to release ink; c) applying ink to said texture; d) substantially drying or curing said ink; e) contacting said thermoplastic melt with said molding portion having ink applied to it; f) forming a texture in said thermoplastic melt, wherein said texture comprises a plurality of protrusions and an area between said protrusions, that is the inverse of the texture of said molding surface; g) transferring said ink from said molding portion to said thermoplastic melt; h) quenching said thermoplastic melt to form a thermoplastic film; and i) removing said thermoplastic film from said molding portion.
    • 描述了在具有纹理的热塑性薄膜上进行间接印刷的方法,其中所述方法包括:a)提供加热的热塑性熔体; b)提供具有模制部分的工具,所述模制部分包括在所述表面中具有表面和多个空腔的纹理,并且包括具有足以释放油墨的表面能的材料; c)将油墨施加到所述纹理; d)基本干燥或固化所述油墨; e)使所述热塑性熔体与具有施加到其上的油墨的所述模制部分接触; f)在所述热塑性熔体中形成纹理,其中所述纹理包括多个突起和所述突起之间的区域,即所述模制表面的纹理相反; g)将所述油墨从所述模制部分转移到所述热塑性熔体; h)淬火所述热塑性熔体以形成热塑性薄膜; 和i)从所述模制部分去除所述热塑性膜。
    • 3. 发明授权
    • Automatic exposure control apparatus for a microfilm printer
    • 微缩胶印机的自动曝光控制装置
    • US5170208A
    • 1992-12-08
    • US738663
    • 1991-07-31
    • Bruce H. KoehlerRichard Owen
    • Bruce H. KoehlerRichard Owen
    • G03B27/32G03B27/50G03B27/72G03B27/80G03G15/00G03G15/043
    • G03G15/5025G03B27/50G03B27/80G03G15/043
    • An exposure control apparatus for a microfilm printer includes an area (planar) light source, photo detector, and digital control circuits. An averaged density reading over at least the central five to twenty percent of the area of the microfilm frame is measured. This density reading is then used to control the intensity of the exposure lamp via a digital control circuit. The spatial relationships between the elements of the light source, the microfilm frame being read, and the photodetector are optimally arranged to provide an even illumination of the portion of the microfilm frame being measured without interfering with the film exposure process and without creating undue space demands.The microfilm density measurement provided by the apparatus is used to automatically control the intensity of the exposure lamp used in the exposure of a light sensitive medium in the development of prints from the microfilm. The exposure lamp light intensity that corresponds to the threshold level of the light sensitive medium (the minimum light exposure level that will form an image with no film in the exposure station) is established as the zero density threshold intensity. A threshold offset that corresponds to the measured density of a microfilm frame to be printed is added to the zero density threshold intensity to establish a desired exposure lamp intensity for exposing the microfilm frame for printing.
    • 4. 发明授权
    • 3D camera system and method
    • 3D摄像机系统和方法
    • US07388598B2
    • 2008-06-17
    • US10780154
    • 2004-02-17
    • Charles C. LeeBruce H. Koehler
    • Charles C. LeeBruce H. Koehler
    • H04N13/00H04N13/02G03B35/00
    • H04N5/232H04N13/207H04N13/221H04N13/239H04N13/243H04N13/296
    • A 3D camera system and method for generating a 3D picture from real 3D input pictures. The system includes one or more cameras, a robotic or manually driven moving platform on which the camera or cameras are adjustably mounted. The system is moved on a fan-shaped grating sheet in a format, such as curved or linear format, to produce accurate trigger signals for camera exposure at precise intervals, i.e. pictures of an object are taken at predetermined locations at precise intervals. Alternatively, an optical encoder and programmable divider can be used to trigger the cameras at programmable precise intervals. Also, a stepper or servo motor that moves the camera platform can be used to move the cameras to precise locations.
    • 一种用于从真正的3D输入图像生成3D图像的3D照相机系统和方法。 该系统包括一个或多个相机,机器人或手动驱动的移动平台,照相机或照相机可以在其上可调节地安装。 该系统以扇形格栅板格式(例如曲线或线性格式)移动,以精确的间隔产生用于相机曝光的精确触发信号,即以精确的间隔在预定位置拍摄对象的图像。 或者,可以使用光学编码器和可编程分频器以可编程的精确间隔触发相机。 此外,移动相机平台的步进或伺服电机可用于将相机移动到精确的位置。
    • 5. 发明授权
    • 3D rover camera system and method
    • 3D漫游相机系统和方法
    • US07611293B2
    • 2009-11-03
    • US11512591
    • 2006-08-30
    • Charles C. LeeBruce H. Koehler
    • Charles C. LeeBruce H. Koehler
    • G03B17/00H04N7/00G03B35/00B62B3/00B62B7/04
    • F16M11/42F16M11/18F16M11/242G03B35/02H04N13/221
    • Systems, methods and apparatus related to a motorized platform for use in creating three dimensional images. The motorized platform includes a symmetrical steering system such that a digital camera remains focused upon a desired image target as the motorized platform is advanced. The symmetrical steering system includes a three-wheel arrangement providing a constant radius path around the image target. A pair of steerable wheels located on an inside edge of the motorized platform are operably connected with a steering linkage assembly such that the steerable wheels are angularly adjusted to define the constant radius path. A drive wheel is operably connected to a motor assembly for propelling the motorized platform along the constant radius path. A digital camera can be mounted to a tripod attached to the motorized platform and the digital camera can be operably controlled either manually or automatically as the motorized platform is advanced.
    • 与用于创建三维图像的电动平台相关的系统,方法和装置。 电动平台包括对称的转向系统,使得当电动平台前进时,数字照相机保持聚焦在期望的图像目标上。 对称转向系统包括提供围绕图像目标的恒定半径路径的三轮装置。 位于电动平台的内边缘上的一对可转向的轮可操作地与转向连杆组件连接,使得转向轮被角度调节以限定恒定的半径路径。 驱动轮可操作地连接到马达组件,以沿着恒定半径路径推动机动平台。 数码相机可以安装在连接到电动平台的三脚架上,数码相机可以在电动平台前进时手动或自动地进行操作控制。