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    • 23. 发明申请
    • 再生装置及び方法
    • 再现设备和方法
    • WO2005119662A1
    • 2005-12-15
    • PCT/JP2005/010172
    • 2005-06-02
    • パイオニア株式会社宮鍋 庄悟栗林 祐基
    • 宮鍋 庄悟栗林 祐基
    • G11B7/005
    • G11B7/005G11B20/10009G11B20/22G11B2220/2537
    •  記録媒体上の一トラックにメインビームを照射すると共に、メインビームの照射位置からずれた位置にサブビームを照射するビーム照射手段、メインビームに基づき主再生信号を出力する主信号検出手段、一のトラックの接線方向に沿った分割線によって分割された、一トラックに近い側の第1受光部分を含む複数の受光部分を有し、複数の受光部分からの検出光に応じた複数の副再生信号を出力する副信号検出手段、主再生信号と副再生信号とを相対的に遅延させる遅延手段、遅延量を設定する遅延量設定手段、遅延後の主再生信号からクロストークを除去するクロストークキャンセラを備える。副信号検出手段は第1受光部分からの検出光に応じて第1の副再生信号を出力し、遅延量設定手段では第1の副再生信号を用いて遅延量が設定される。
    • 再现装置具有:束照射装置,其用主光束照射记录介质上的一个轨道,并用副光束照射偏离主光束的照射位置的位置; 主信号检测装置,用于输出基于主光束的主再现信号; 沿着一个轨道的切线方向由分割线分割的副信号检测装置具有多个受光部,该光接收部包括靠近一个轨道的一侧的第一光接收部分,并且输出多个 副再现信号对应于来自多个光接收部分的检测光; 用于相对延迟主再现信号和副再现信号的延迟装置; 延迟量设定装置,用于设定延迟量; 以及用于从延迟的主再现信号中去除串扰的串扰消除器。 子信号检测装置从第一光接收部分输出与检测光相对应的第一副再生信号,延迟量设定装置通过使用第一副再现信号设置延迟量。
    • 24. 发明申请
    • INFORMATION STORAGE MEDIUM AND METHOD AND APPARATUS FOR REPRODUCING INFORMATION RECORDED ON THE SAME
    • 信息存储介质和用于再现记录在其上的信息的方法和装置
    • WO2005064601A1
    • 2005-07-14
    • PCT/KR2004/003461
    • 2004-12-27
    • SAMSUNG ELECTRONICS CO., LTD.
    • LEE, Kyung-GeunKIM, Joo-HoHWANG, In-OhKIM, Hyun-KiYOON, Du-Seop
    • G11B7/007
    • G11B7/00736G11B7/005G11B7/24G11B7/24085G11B2007/0006
    • An information storage medium having a structure in which a data region is a super resolution region and a data control region is a standard region, and a method and apparatus reproducing information recorded on the information storage medium and information recorded on a standard information storage medium. The information storage medium includes a recording mark smaller than a resolving power of a beam irradiated from the apparatus, wherein control data including information regarding the type of medium is recorded in a predetermined region. The apparatus reproducing information from a first information storage medium having a recording mark smaller than a resolving power of an irradiated beam and in which control data including information regarding the type of medium is recorded on a predetermined region, and a second information storage medium having a recording mark larger than the resolving power of the irradiated beam, the apparatus including a pickup unit having a light source irradiating a beam; and a photodetector detecting a reproduction signal and a discriminating signal, indicating information regarding the type of the loaded medium, and a signal processor determining the type of the loaded medium based on the discriminating signal and setting a reproduction power of the beam irradiated from the light source according to the result of the determination.
    • 具有数据区域是超分辨率区域和数据控制区域的结构的信息存储介质是标准区域,以及再现记录在信息存储介质上的信息和记录在标准信息存储介质上的信息的方法和装置。 信息存储介质包括小于从装置照射的光束的分辨率的记录标记,其中包括关于介质类型的信息的控制数据被记录在预定区域中。 该装置从具有小于照射束的分辨率的记录标记的第一信息存储介质再现信息,并且其中包括关于介质类型的信息的控制数据被记录在预定区域上,以及第二信息存储介质,其具有 记录标记大于照射束的分辨率,该装置包括具有照射光束的光源的拾取单元; 以及光检测器,其检测再现信号和鉴别信号,指示关于所加载介质的类型的信息;以及信号处理器,基于鉴别信号确定所加载介质的类型,并设置从光照射的光束的再现功率 来源根据测定结果。
    • 25. 发明申请
    • DEVICE FOR INTERACTION-FREE MEASUREMENTS
    • 用于交互式测量的设备
    • WO2005057128A1
    • 2005-06-23
    • PCT/GB2004/005202
    • 2004-12-10
    • GHOSE, TathagataGHOSE, Parthasarathy
    • GHOSE, Parthasarathy
    • G01B11/30
    • G02B6/12004B82Y20/00G01B9/02001G01B9/02023G01B11/30G01B2290/45G01B2290/55G01N21/45G01N21/552G02B2006/12159G11B7/005
    • A device for detecting an object includes a beam splitter (BS1) which splits a beam of light from a source between a first path (U) and a second path (D). The first path (U) includes a first prism (TIR U ) arranged to reflect light from the beam splitter (B S1) by total internal reflection at a sensing surface of the first prism (TIR U ). The total internal reflection creates an evanescent wave at the sensing surface. The second path (D) includes a corresponding second prism (TIR D ). A second beam splitter (BS2) splits light from both the first path (U) and the second path (D) between two detectors (D b , D d ). The first and second paths are configured such that light from the first path (U) and light from the second path (D) interfere constructively in the direction of one of the detectors (D b ) and destructively in the direction of the other detector (D d ) when no object is present so that no light is received by the detector (D d ). When an object nears the sensing surface of the first prism (TIR U ) in the first path (U), the object scatters the evanescent wave and allows a small fraction of photons to tunnel out of the first prism (TIR U ). This disturbs the total destructive interference at the dark detector (D d ), which therefore detects photons with a non-zero probability. The detection of a photon at this detector (D d ) indicates the presence of an object in the proximity of the sensing surface of the first prism (TIR U ). When single photons are made to pass through the device one at a time, the object can be detected without the photon touching it and being scattered or absorbed.
    • 用于检测物体的装置包括在第一路径(U)和第二路径(D)之间分裂来自源的光束的分束器(BS1)。 第一路径(U)包括布置成通过在第一棱镜(TIRU)的感测表面处的全内反射来反射来自分束器(B S1)的光的第一棱镜(TIRU)。 全内反射在感测表面产生ev逝波。 第二路径(D)包括相应的第二棱镜(TIRD)。 第二分束器(BS2)在两个检测器(Db,Dd)之间分离来自第一路径(U)和第二路径(D)的光。 第一和第二路径被配置为使得来自第一路径(U)的光和来自第二路径(D)的光在检测器(Db)之一的方向上建设性地干涉并且在另一个检测器(Dd)的方向上破坏性地 )当没有物体存在时,使得检测器(Dd)没有接收到光。 当物体靠近第一路径(U)中的第一棱镜(TIRU)的感测表面时,物体散射ev逝波,并允许少部分光子从第一棱镜(TIRU)中穿出。 这会干扰暗检测器(Dd)处的全部破坏性干扰,因此会以非零概率检测光子。 在该检测器(Dd)处的光子的检测表示在第一棱镜(TIRU)的感测表面附近存在物体。 当单个光子一次通过设备时,可以检测到物体,而不会使光子接触它并被散射或吸收。
    • 26. 发明申请
    • SYMBOL DETECTION APPARATUS AND METHOD FOR TWO-DIMENSIONAL CHANNEL DATA STREAM WITH CROSS-TALK CANCELLATION
    • 符号检测装置和二维通道数据流与交叉口取消的方法
    • WO2005055229A1
    • 2005-06-16
    • PCT/IB2004/052472
    • 2004-11-18
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.COENE, Willem, M., J., M.IMMINK, Albert, H., J.CONWAY, Thomas
    • COENE, Willem, M., J., M.IMMINK, Albert, H., J.CONWAY, Thomas
    • G11B20/10
    • G11B20/10009G11B7/005G11B7/14G11B19/045G11B20/10055G11B20/10296G11B20/1217G11B20/22G11B2020/1249G11B2020/1288G11B2220/2541H03M13/41
    • The present invention relates to a symbol detection apparatus for detecting the symbol values of a two-dimensional channel data stream recorded on a record carrier, said channel data stream comprising a set of contiguous symbol strips (B) of symbol rows (r) one­dimensionally evolving along a first direction and being aligned with each other along a second direction, said two directions constituting a two-dimensional lattice of symbol positions. In order to avoid a substantial loss in detection performance at the edges of a 2D symbol strip in a 2D format, a symbol detector apparatus is proposed comprising: a cross-talk cancellation unit (XTC) for cancellation of radial inter-symbol interference, also known as cross-talk or inter-track interference, present in the first adjacent symbol rows (g 01 , g 02 ; r1 , rN+2) of a symbol strip (B I) from the next but one adjacent symbol row (rb o1 , rb 02 ; r0, r N+3 ) of said symbol strip (B1) by applying for each first adjacent symbol row (g 01 , g 02 ; r 1 , r N+2 ) a cross-talk cancellation between a first adjacent symbol row (g 01 , g 02 ; r 1 , r N+2 ) and its neighboring symbol row (rb 01 , rb 02 r 0 , r N+3 ) not belonging to said symbol strip (B 1), and a 2D symbol detector (V) for symbol detection of the symbols of said symbol strip (B1) together with said first adjacent symbol rows (g 01 , g 02 ; r 1 , r N+2 ).
    • 本发明涉及一种用于检测记录在记录载体上的二维信道数据流的符号值的符号检测装置,所述信道数据流包括符号行(r)的一组邻接符号条(B) 沿着第一方向并沿着第二方向彼此对准,所述两个方向构成符号位置的二维晶格。 为了避免在2D格式的2D符号条的边缘处的检测性能的实质性损失,提出了一种符号检测装置,包括:用于消除径向符号间干扰的串扰消除单元(XTC),也是 称为串扰或轨道间干扰,来自下一个但相邻的一个符号行(rbo1,rb02)的符号条(BI)的第一相邻符号行(g01,g02; r1,rN + 2) 通过对第一相邻符号行(g01,g02; r1,rN + 2)应用第一相邻符号行(g01,g02; r1)之间的串扰消除,所述符号条(B1) ,rN + 2)及其不属于所述符号条(B 1)的相邻符号行(rb01,rb02 r0,rN + 3)和用于符号检测的符号条带的符号检测器(V) B1)与所述第一相邻符号行(g01,g02; r1,rN + 2)一起。