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    • 29. 发明申请
    • OPTICAL SCANNING DEVICE
    • 光学扫描装置
    • WO2006095303A1
    • 2006-09-14
    • PCT/IB2006/050691
    • 2006-03-06
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.TUKKER, Teunis, W.LIEDENBAUM, Coen, T., H., F.HENDRIKS, Bernardus, H., W.STALLINGA, SjoerdIMMINK, Albert, H., J.KUIPER, SteinCHEN, Ming, S.
    • TUKKER, Teunis, W.LIEDENBAUM, Coen, T., H., F.HENDRIKS, Bernardus, H., W.STALLINGA, SjoerdIMMINK, Albert, H., J.KUIPER, SteinCHEN, Ming, S.
    • G11B7/135
    • G11B7/1369G11B7/0909G11B7/1381
    • An optical scanning device (1) includes a radiation source (7), a detector (23) and a beam splitter (9). The radiation source (7) provides an incident radiation beam (4, 20) along a first optical path (19a) for scanning an information layer (2) of an optical record carrier (3). The detector (23) detects at least a portion of the radiation beam (22) reflected from the optical record carrier (3). The beam splitter (9) transmits the incident radiation beam (4) received from the radiation source along the first optical path (19a) towards the optical record carrier. The beam splitter (9) also transmits the reflected beam (22) received from the optical record carrier (3) along a second, different optical path (19b) towards the detector. The optical scanning device further includes a beam-deflecting element (30; 130; 230; 330; 630; 830; 930) positioned on the second optical path (19b) between the beam splitter (9) and the detector (23). The beam-deflecting element (30; 130; 230; 330; 630; 830; 930) is arranged to controllably deflect the path of the reflected radiation beam (22) for adjusting the lateral position of said reflected radiation beam incident upon the detector (23) over a predetermined range.
    • 光学扫描装置(1)包括辐射源(7),检测器(23)和分束器(9)。 辐射源(7)沿着第一光路(19a)提供入射辐射束(4,20),用于扫描光学记录载体(3)的信息层(2)。 检测器(23)检测从光学记录载体(3)反射的辐射束(22)的至少一部分。 分束器(9)将从辐射源接收的入射辐射束(4)沿着第一光路(19a)传送到光学记录载体。 分束器(9)还将从光学记录载体(3)接收的反射光束(22)沿着第二不同的光路(19b)传送到检测器。 光学扫描装置还包括位于分束器(9)和检测器(23)之间的第二光路(19b)上的光束偏转元件(30; 130; 230; 330; 630; 830; 930)。 光束偏转元件(30; 130; 230; 330; 630; 830; 930)被布置成可控地偏转反射的辐射束(22)的路径,用于调节入射到检测器上的所述反射的辐射束的横向位置( 23)超过预定范围。
    • 30. 发明申请
    • DEVICE AND METHOD FOR ENCODING A SECONDARY INFORMATION OF A SECONDARY CHANNEL INTO A CHANNEL DATA STREAM OF A PRIMARY CHANNEL
    • 将二次通道的二次信息编码到主通道的通道数据流中的装置和方法
    • WO2005104120A2
    • 2005-11-03
    • PCT/IB2005/051270
    • 2005-04-19
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.COENE, Willem, M., J., M.IMMINK, Albert, H., J.
    • COENE, Willem, M., J., M.IMMINK, Albert, H., J.
    • G11B20/00
    • G11B20/00086G11B2020/1249
    • The present invention relates to a device in a corresponding method for encoding a secondary information (r) of a secondary channel into a channel data stream (3) of a primary channel, said channel data stream (3) comprising at least two symbol rows of channel symbols one-dimensionally evolving along a first direction (t) and aligned with each other along a second direction (r), said two directions constituting a two-dimensional lattice of symbol positions. To provide a device and a method for encoding which can be used in a two-dimensional storage system, it is proposed that the device comprises: - a primary encoder (11) for encoding a primary information (1) into said primary channel data stream (3) of said primary channel, - a secondary encoder (12) for encoding said secondary information (2) into a secondary channel data stream (6) for embedding into the recorded signal of said primary channel data stream (3) and - a parameter modulation means (13) for varying a recording parameter (7) for one or more symbol rows based on said secondary information around an average value (9) using a variation parameter (5), said recording parameter (7) being used for recording said primary channel data stream (3) on a record carrier (21), said variations being made such that said average value (9) remains substantially constant and that said modulations can be detected by a decoding device, said secondary information being encoded into said variations.
    • 本发明涉及一种用于将辅助信道的辅助信息(r)编码为主信道的信道数据流(3)的对应方法的装置,所述信道数据流(3)包括至少两个符号行 通道符号沿着第一方向(t)一维地演变并且沿着第二方向(r)彼此对准,所述两个方向构成符号位置的二维网格。 为了提供可以在二维存储系统中使用的编码装置和方法,提出该装置包括: - 主编码器(11),用于将主信息(1)编码成所述主信道数据流 (3), - 辅助编码器(12),用于将所述辅助信息(2)编码为辅助信道数据流(6),用于嵌入到所述主信道数据流(3)的记录信号中, - 参数调制装置(13),用于使用变化参数(5)基于围绕平均值(9)的所述辅助信息来改变用于一个或多个符号行的记录参数(7),所述记录参数(7)用于记录 所述主信道数据流(3)在记录载体(21)上,所述变化使得所述平均值(9)保持基本上恒定,并且所述调制可由解码装置检测,所述次信息被编码到所述 变异 秒。