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    • 52. 发明授权
    • Video processor device and video processing method
    • 视频处理器设备和视频处理方法
    • US08427582B2
    • 2013-04-23
    • US13291754
    • 2011-11-08
    • Kenichi Shimada
    • Kenichi Shimada
    • H04N9/74
    • H04N7/012H04N5/142H04N7/12
    • A video processor and method for swiftly detecting swaps occurring between links during transmission of images by the dual-link system. A first image combiner unit combines an image D1 of a first link as an odd-numbered image, with an image of a second link, to generate a first combination image. A second image combiner unit combines an image of a second link as an odd-numbered image, with the image of the first link to generate a second combination image. An edge detector unit detects the horizontal edge of the first combination image and the second combination image. A judgment unit compares the number of triple edges in the first combination image and second combination image, and judges the combination image having more triple edges as the error image. The triple edges contain three consecutive edges along the horizontal direction, and the rising edges and falling edges are arrayed alternately.
    • 一种视频处理器和方法,用于通过双链路系统在图像传输期间快速检测在链路之间发生的交换。 第一图像合成器单元将作为奇数图像的第一链接的图像D1与第二链接的图像组合,以生成第一组合图像。 第二图像组合器单元将作为奇数图像的第二链接的图像与第一链接的图像组合以生成第二组合图像。 边缘检测器单元检测第一组合图像和第二组合图像的水平边缘。 判断单元比较第一组合图像和第二组合图像中的三重边缘的数量,并且将具有更多三边的组合图像判断为误差图像。 三边形沿着水平方向包含三个连续的边缘,并且上升沿和下降沿交替排列。
    • 56. 发明申请
    • OPTICAL DATA STORAGE DEVICE
    • 光学数据存储设备
    • US20090073850A1
    • 2009-03-19
    • US12102045
    • 2008-04-14
    • Tatsuro IdeKenichi Shimada
    • Tatsuro IdeKenichi Shimada
    • G11B7/00
    • G11B7/135G11B7/0065G11B7/1263G11B7/128G11B7/1356G11B2007/0006
    • The present invention aims to provide an optical data storage device capable of not only recording digital information by using holography, but also recording or reproducing information onto or from conventional optical discs represented by BD. In the optical data storage device of the present invention, a single light source is used for generation of both an optical beam for holographic medium curing and an optical beam for recording or reproducing information onto or from a BD or an HD DVD. Furthermore, the optical beam for holographic medium curing and the optical beam for recording or reproduction of information onto or from a BD or an HD DVD are designed to go through optical paths partly including a common optical path. In this configuration, multiple optical system configurations can be reasonably placed together into a single case.
    • 本发明的目的在于提供一种光学数据存储装置,其不仅可以通过使用全息记录数字信息,而且可以将信息记录到BD或由BD代表的常规光盘上或再现信息。 在本发明的光学数据存储装置中,单个光源用于产生用于全息介质固化的光束和用于在BD或HD DVD上记录或再现信息的光束。 此外,用于全息介质固化的光束和用于在BD或HD DVD上记录或再现信息的光束被设计成经过部分包括公共光路的光路。 在这种配置中,可以将多个光学系统配置合理放置在单个情况下。
    • 58. 发明申请
    • LASER LIGHT SOURCE DEVICE, OPTICAL INFORMATION RECORDING DEVICE, AND OPTICAL INFORMATION REPRODUCING DEVICE
    • 激光光源装置,光信息记录装置和光信息再现装置
    • US20080225909A1
    • 2008-09-18
    • US12043161
    • 2008-03-06
    • Kenichi ShimadaTatsuro Ide
    • Kenichi ShimadaTatsuro Ide
    • H01S3/10
    • G11B7/1362G11B7/0065G11B7/126G11B7/1356H01S5/005H01S5/0071
    • The hologram recording technology expected to realize ultrahigh-density information recording is one of the post Blu-ray Disc technology. When we think about developing a drive based on this technology and suitable for consumer electronics, it is considered most desirable from the viewpoint of upward compatibility to solve the problem of the BD-compatibility. The problem in sharing the laser light source between the hologram recording device and the current optical disc device, however, is that the hologram recording requires a high-coherent, single-mode light beam, while the current optical discs requires a low-coherent, multi-mode light beam. In point of the coherence of the light source, the above two cases require the light beams of the characteristics opposite to each other, and this presents an important task.For the purpose of solving the above-mentioned problem, the present invention is to adopt the variable wavelength type laser light source device composed of a semiconductor laser and a diffraction grating, wherein a polarization direction converter and a polarized beam splitter are placed in the optical path between the above semiconductor laser and the above diffraction grating.
    • 预期实现超高密度信息记录的全息记录技术是蓝光光盘技术之一。 当我们考虑开发基于这种技术并适合消费电子产品的驱动器时,从向上兼容性的角度来看,最为理想的是解决BD兼容性的问题。 然而,在全息记录装置和当前光盘装置之间共享激光光源的问题在于,全息记录需要高相干单模光束,而目前的光盘需要低相干, 多模光束。 在光源的相干性方面,上述两种情况需要具有彼此相反特性的光束,这是一项重要任务。 为了解决上述问题,本发明采用由半导体激光器和衍射光栅构成的可变波长型激光光源装置,其中偏振方向转换器和偏振分束器被放置在光学 上述半导体激光器和上述衍射光栅之间的路径。