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    • 89. 发明授权
    • Track device
    • 跟踪设备
    • US07770810B2
    • 2010-08-10
    • US11279545
    • 2006-04-12
    • Christopher S. KennardWayne Carmona
    • Christopher S. KennardWayne Carmona
    • E01B23/00
    • E01B23/02
    • The track system of the present invention provides dolly track whose joints are substantially seamless, providing a substantially smooth riding surface over the entire length of joined sections of track. The ferrule design of the invention provides ridged piece to piece joining, eliminating pinching and hinging points. This allows multiple assembled track pieces to be moved without damage. The system uses self locking track buckles. A folding cross member system may be folded for ease of movement and placement. In one embodiment, the track is comprised of a carbon fiber hybrid composite with lighter weight and greater strength than prior art steel or aluminum tracks. In addition the track of the present invention does not bend, eliminating the need to reshape or repair the track each time before use.
    • 本发明的轨道系统提供了其接头基本上无缝的台车轨道,在轨道的连接部分的整个长度上提供了基本平滑的骑行表面。 本发明的套圈设计提供了一个块状的连接件,消除了夹紧和铰接点。 这允许多个组装的轨道件被移动而没有损坏。 该系统使用自锁轨道扣。 折叠的横向构件系统可以折叠以便于移动和放置。 在一个实施例中,轨道由比现有技术的钢或铝轨道更轻的重量和更大的强度的碳纤维混合复合材料组成。 此外,本发明的轨道不弯曲,消除了在使用之前每次重新形成或修理轨道的需要。
    • 90. 发明授权
    • Compressed data multiple description transmission and resolution conversion system
    • 压缩数据多描述传输和分辨率转换系统
    • US07720299B2
    • 2010-05-18
    • US11126705
    • 2005-05-10
    • Hsieh S. Hou
    • Hsieh S. Hou
    • G06K9/46H04N7/12H04N11/02H04N11/04G06F17/14
    • G06F17/147H04N19/122H04N19/176H04N19/39H04N19/60
    • A system provides lossless split and merge processes of integer discrete cosine transform (DCT) transformed data such that the discrete cosine transform of one data block may be split into two half length DCT odd and even blocks for merging, with split and merge processes being lossless and are generated in the discrete cosine transformed domain. After splitting, the redundancy existing between the two integer discrete cosine transformed half data blocks allows one to approximately reconstruct the original data block in case one of the discrete cosine transformed half data block is lost during transmission. The system may be used with existing JPEG and MPEG compressors and decompressors because both use the discrete cosine transform for image and video compression and decompression, may be used as a resolution conversion device for transcribing from digital high-definition TV to analog low-definition TV, and may be used for lossless splitting and merging type-IV discrete cosine transformed data for audio compression and decompression in the international standard MPEG-4 Advanced Audio Coding (AAC), such as AC-3 or MP3.
    • 系统提供整数离散余弦变换(DCT)变换数据的无损拆分和合并过程,使得一个数据块的离散余弦变换可以分为两个半长的DCT奇数和偶数块进行合并,其中分割和合并过程是无损的 并在离散余弦变换域中产生。 在分裂之后,存在于两个整数离散余弦变换的半数据块之间的冗余允许在传输期间丢失一个离散余弦变换的半数据块的情况下大致重建原始数据块。 该系统可以与现有的JPEG和MPEG压缩器和解压缩器一起使用,因为它们都使用用于图像和视频压缩和解压缩的离散余弦变换,可以用作用于从数字高清晰度电视转换成模拟低分辨率电视的分辨率转换装置 ,可用于国际标准MPEG-4高级音频编码(AAC)(如AC-3或MP3)中的音频压缩和解压缩的无损分离和合并类型-IV离散余弦变换数据。