会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明申请
    • INFORMATION RECORDING MEDIUM, METHOD FOR RECORDING INFORMATION ON INFORMATION RECORDING MEDIUM, METHOD FOR REPRODUCING INFORMATION FROM INFORMATION RECORDING MEDIUM, AND METHOD FOR MANUFACTURING INFORMATION RECORDING MEDIUM
    • 信息记录介质,用于记录信息记录介质的信息的方法,从信息记录介质再现信息的方法以及用于制造信息记录介质的方法
    • US20110107134A1
    • 2011-05-05
    • US13000178
    • 2010-03-05
    • Kiyotaka ItoMamoru ShojiYasumori HinoAtsushi NakamuraNaoyasu MiyagawaMotoshi Ito
    • Kiyotaka ItoMamoru ShojiYasumori HinoAtsushi NakamuraNaoyasu MiyagawaMotoshi Ito
    • G06F1/04
    • G11B7/00736G11B7/00456G11B7/0062
    • The present invention provides a measure for getting read/write control information stored within a space of a predetermined size in a format that ensures compatibility with media of a lower order or an older generation even if the size of the read/write control information increases significantly as the storage densities of information storage media rise in the near future. On an information storage medium, a data sequence is writable as a combination of marks and spaces. The medium has at least one information storage layer, which has an information storage area to store information and a control information area for use to perform a read/write operation on the at least one information storage layer. The control information area stores at least one set of control information, which includes a first kind of write pulse information including information to be used as a reference value and a second kind of write pulse information including information to be used as an offset value. If the pulse width or pulse position of a write pulse is definable with a precision of 1T/n (where T is a channel clock pulse width and n is a positive integer), the size of the offset value is large enough to define at least an n/2 range.
    • 本发明提供一种用于获得存储在预定大小的空间内的读/写控制信息的措施,即使读/写控制信息的大小显着增加,也可以确保与较低级别或较老版本的媒体兼容的格式 随着信息存储媒体的存储密度在不久的将来上升。 在信息存储介质上,作为标记和空格的组合可写入数据序列。 介质具有至少一个信息存储层,其具有用于存储信息的信息存储区域和用于对至少一个信息存储层执行读/写操作的控制信息区域。 控制信息区域存储至少一组控制信息,该组控制信息包括包括要用作参考值的信息的第一种写入脉冲信息和包括要用作偏移值的信息的第二种写入脉冲信息。 如果写入脉冲的脉冲宽度或脉冲位置以1T / n的精度定义(其中T是通道时钟脉冲宽度,n是正整数),则偏移值的大小足够大以至少定义 一个n / 2范围。
    • 7. 发明授权
    • Optical disk, method for manufacturing the same, and method for recording and method for reproducing data using optical disk
    • 光盘,其制造方法和记录方法以及使用光盘再现数据的方法
    • US08169883B2
    • 2012-05-01
    • US10876494
    • 2004-06-25
    • Naoyasu MiyagawaMotoshi Ito
    • Naoyasu MiyagawaMotoshi Ito
    • G11B7/24
    • G11B7/1267G11B7/0045G11B7/00736G11B7/24038G11B2007/0013
    • An optical disk includes a first information recording layer, and second to N-th information recording layers (with N being an integer of two or greater) that are arranged further toward the side from which laser light is irradiated than the first information recording layer and which are arranged in order from the side near the first information recording layer. The first information recording layer includes a read-only control data region, a first recording learning region for learning recording parameters to record data, and a first user data recording region for recording user data. When taking at least one of the second to N-th information recording layers as an i-th information recording layer (with i being an integer satisfying 2≦i≦N), that i-th information recording layer includes an i-th recording learning region for learning recording parameters to record data in the i-th information recording layer, and an i-th user data recording region for recording user data. The first recording learning region and the i-th recording learning region are arranged at different radial positions, and the i-th recording learning region is arranged within a region of radial positions at which the control data region is provided.
    • 光盘包括第一信息记录层和第二至第N信息记录层(N为2以上的整数),其被配置为比第一信息记录层更靠近照射激光的一侧, 它们从第一信息记录层附近的一侧排列。 第一信息记录层包括只读控制数据区,用于学习用于记录数据的记录参数的第一记录学习区和用于记录用户数据的第一用户数据记录区。 当将第二至第N信息记录层中的至少一个作为第i信息记录层(i为满足2≦̸ i≦̸ N的整数)时,第i信息记录层包括第i个记录 用于学习记录参数以在第i个信息记录层中记录数据的学习区域和用于记录用户数据的第i个用户数据记录区域。 第一记录学习区域和第i记录学习区域被布置在不同的径向位置,并且第i个记录学习区域被布置在设置有控制数据区域的径向位置的区域内。
    • 8. 发明授权
    • Optical information recording/reproducing device and method for
recording, reproducing and erasing information on an optical
information recording medium utilizing light beam radiation
    • 用于利用光束辐射在光学信息记录介质上记录,再现和擦除信息的光学信息记录/再现装置和方法
    • US6044051A
    • 2000-03-28
    • US827748
    • 1997-04-09
    • Naoyasu MiyagawaMamoru ShojiTakashi IshidaShigeru FurumiyaYuji Hisakado
    • Naoyasu MiyagawaMamoru ShojiTakashi IshidaShigeru FurumiyaYuji Hisakado
    • G11B7/007G11B7/013G11B20/10G11B20/12G11B27/19G11B27/30G11B7/00
    • G11B27/3027G11B20/10009G11B20/1252G11B27/19G11B7/00718G11B7/00745G11B7/013G11B2220/20
    • There is provided an optical information recording/reproducing device for recording, reproducing, or erasing information on an optical information recording medium including information tracks formed on a disk substrate including alternating groove tracks and land tracks each including: a header region for recording identification data representing location information in pre-pits; and a data region for recording user data, the pre-pits being grouped into blocks, the blocks wobbling alternately toward an inner periphery or an outer periphery of the disk substrate along a radius direction from a center line of each information track by a distance which is substantially 1/2 of the information track pitch. The pre-pits are provided along the radius direction at a pitch twice as large as the track pitch. The device includes: an optical system for radiating a light beam as a converged beam spot on an information track; an optical detector including two light receiving portions divided in parallel to the track direction for receiving the light beam reflected from the recording medium; a signal generator for generating a differential signal and an addition signal of output signals respectively output from the light receiving portions; a header region detection circuit for determining whether the converged beam spot is tracing the header region or the data region using the differential signal; and at least one reading circuit for reading the identification data from the differential signal and for reading information recorded in the data region from the addition signal.
    • 提供了一种光学信息记录/再现装置,用于在包括形成在包括交替的凹槽轨道和脊迹道的盘基底上的信息轨迹的光信息记录介质上记录,再现或擦除信息,所述光盘信息记录介质包括:标题区,用于记录表示 预坑中的位置信息; 以及用于记录用户数据的数据区域,将预定凹坑分组成块,块沿着每个信息轨道的中心线沿半径方向交替地向盘基板的内周或外周摆动一距离 基本上为信号轨道间距的+ E,fra 1/2 + EE。 预制坑沿着半径方向以轨道间距的两倍大的间距设置。 该装置包括:用于在信息轨道上辐射作为会聚束斑的光束的光学系统; 光检测器,其包括与轨道方向平行分割的两个光接收部分,用于接收从记录介质反射的光束; 信号发生器,用于产生分别从光接收部分输出的差分信号和输出信号的相加信号; 标题区域检测电路,用于使用所述差分信号来确定所述会聚波束点是跟踪所述头部区域还是所述数据区域; 以及至少一个读取电路,用于从差分信号读取识别数据,并用于从加法信号读取记录在数据区中的信息。