Information delivery system and server
    16.
    发明授权
    Information delivery system and server 失效
    信息传递系统和服务器

    公开(公告)号:US06792280B1

    公开(公告)日:2004-09-14

    申请号:US09610639

    申请日:2000-07-05

    IPC分类号: H04B120

    摘要: An information delivery system includes a delivery server and two cellular phones. For example, when one cellular phone accesses the delivery server and requests a delivery of content data such as music data, desired music data is delivered from the delivery server onto the one cellular phone. Meanwhile, if the one cellular phone accesses the delivery server and designates a destination (the other portable phone) and a day and hour of delivery and then executes a schedule of delivery, music data is delivered on a scheduled day and hour from the delivery server to the other cellular phone.

    摘要翻译: 信息传递系统包括传送服务器和两个蜂窝电话。 例如,当一个蜂窝电话访问传送服务器并请求诸如音乐数据的内容数据的传送时,所需的音乐数据从传送服务器传送到一个蜂窝电话上。 同时,如果一个蜂窝电话访问传送服务器并指定一个目的地(另一个便携式电话)以及一天和一个小时的传送时间,然后执行一个传送时间表,则音乐数据在预定的日期和时间从传送服务器 到另一个手机。

    Optical disc and optical drive
    17.
    发明授权
    Optical disc and optical drive 失效
    光盘和光驱

    公开(公告)号:US06765860B2

    公开(公告)日:2004-07-20

    申请号:US10000719

    申请日:2001-10-31

    IPC分类号: G11B724

    摘要: An optical disc and an optical disc drive for the optical disc are provided which are suitable for recording data with a high density. The optical disc D uses both lands and grooves as recording tracks. Each of the tracks consists of one address segment and forty five data segments. The address segment is wobbled at one side thereof. Each of the data segments is a DC groove. The address segment records an address information including a sync signal, frame address, track address and CRC, a tilt pattern and a clock mark. The clock mark is adapted to reflect laser beam in one amount before the mark and in another amount after the mark. The tilt pattern has a different track pitch from those in other areas. The data segments record data magneto-optically.

    摘要翻译: 提供一种用于光盘的光盘和光盘驱动器,其适合于以高密度记录数据。 光盘D使用焊盘和凹槽作为记录轨道。 每个轨道由一个地址段和四十五个数据段组成。 地址段在其一侧摆动。 每个数据段都是一个直流槽。 地址段记录包括同步信号,帧地址,轨道地址和CRC的地址信息,倾斜图案和时钟标记。 时钟标记适于在标记之前反射一个量的激光束,并在标记之后反射另一个量。 倾斜图案具有与其他区域不同的轨道间距。 数据段磁光记录数据。

    Storage medium recorded with recording/reproducing conditions depending upon recording densities and method of recording and reproducing therefor
    18.
    发明授权
    Storage medium recorded with recording/reproducing conditions depending upon recording densities and method of recording and reproducing therefor 失效
    根据记录密度及其记录和再现方法记录有记录/再现条件的存储介质

    公开(公告)号:US06339571B1

    公开(公告)日:2002-01-15

    申请号:US09026521

    申请日:1998-02-20

    IPC分类号: G11B700

    摘要: A table having a plurality of recording densities and a plurality of recording/reproducing conditions corresponding to the recording densities and each necessary for recording/reproducing a signal at a corresponding recording density is recorded in a TOC region of a magneto-optical disk. A recording/reproducing apparatus finds out a recording density at which it can record/reproduce data from the table and records or reproduces a signal at the recording density. The recording/reproducing conditions include the wavelength of a semiconductor laser, whether or not to employ the optical pulse magnetic field modulation recording method, the presence/absence of an optical super resolution pickup, whether or not to employ the optical pulse reproducing method, whether or not to employ the PRML method and the like. Therefore, if the recording/reproducing technology further advances, a signal may be recorded/reproduced to/from the magneto-optical disk at an optimum recording density without having to change the data format of the magneto-optical disk.

    摘要翻译: 具有多个记录密度和与记录密度对应的多个记录/再现条件的表格,并且每个记录/再现相应记录密度的信号所需的表被记录在磁光盘的TOC区域中。 记录/再现装置发现记录密度,其可以从表中记录/再现数据,并以记录密度记录或再现信号。 记录/再现条件包括半导体激光器的波长,是否采用光脉冲磁场调制记录方法,是否存在光学超分辨率拾取,是否采用光脉冲再现方法,是否 或不使用PRML方法等。 因此,如果记录/再现技术进一步前进,则可以以最佳记录密度将信号记录/再现到磁光盘,而不必改变磁光盘的数据格式。