利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

123 条记录 (耗时 0.033 秒)

    Transmitting and recording method, reproducing method, and reproducing apparatus of information and its recording medium
    102.
    发明授权
    Transmitting and recording method, reproducing method, and reproducing apparatus of information and its recording medium 失效
    信息的发送和记录方法，再现方法和再现装置及其记录介质

    公开(公告)号：US06438172B1

    公开(公告)日：2002-08-20

    申请号：US08463827

    申请日：1995-06-05

    申请人： Masafumi Nakamura ,  Toshifumi Takeuchi

    发明人： Masafumi Nakamura ,  Toshifumi Takeuchi

    IPC分类号： H04N578

    CPC分类号： H04N21/236 ,  G11B20/10527 ,  G11B27/034 ,  G11B27/105 ,  G11B27/3063 ,  G11B2220/2545 ,  H04N5/85 ,  H04N9/8042 ,  H04N9/8205 ,  H04N9/8216 ,  H04N21/434

    摘要： Transmitting and recording methods, a reproducing method, and a reproducing apparatus of compressed video and audio signals which can easily realize a retrieval on a picture group unit basis. Packs are formed from a stream of compressed video and audio data and independent data. The pack is divided into a minimum unit of a data structure peculiar to a medium. When transmitting through or recording on the medium, information indicating whether or not a boundary of a picture group exists in the minimum unit is described in a sub information portion in a frame signal and is transmitted or recorded. Upon reproduction, by using the information which had been added to the sub information portion and was transmitted or recorded, the video data can be retrieved at a high speed every predetermined unit.

    摘要翻译： 压缩视频和音频信号的发送和记录方法，再现方法和再现装置，其可以容易地实现基于图像组单元的检索。 包由压缩视频和音频数据流和独立数据形成。 该包被划分为介质特有的数据结构的最小单位。 在通过媒体发送或记录时，在帧信号的子信息部分中描述表示图像组的边界是否存在于最小单位的信息，并被发送或记录。 在再现时，通过使用已经添加到子信息部分并被发送或记录的信息，可以以预定单位高速地检索视频数据。

    Reproducing method and apparatus, for a video signal having copy control information
    103.
    发明授权
    Reproducing method and apparatus, for a video signal having copy control information 有权
    用于具有复制控制信息的视频信号的再现方法和装置

    公开(公告)号：US06434322B1

    公开(公告)日：2002-08-13

    申请号：US09148325

    申请日：1998-09-04

    申请人： Hiroyuki Kimura ,  Takao Arai ,  Toshifumi Takeuchi

    发明人： Hiroyuki Kimura ,  Takao Arai ,  Toshifumi Takeuchi

    IPC分类号： H04N591

    CPC分类号： G06T1/0028 ,  G11B20/00086 ,  G11B20/00768 ,  G11B20/00884 ,  H04N5/913 ,  H04N2005/91328 ,  H04N2005/91335

    摘要： Electronic watermark information obtained by changing a luminance value of a luminance signal in a video signal and a copy generation management signal (CGMS signal) inserted into an area out of a scan region of the video signal are recorded into a recording medium. A reproducing apparatus comprises an electronic watermark information detecting circuit, a CGMS signal detecting circuit, a control circuit to which detected electronic watermark information and CGMS signal are supplied, and a video signal processing circuit controlled by an output of the control circuit. When the electronic watermark information and the CGMS signal have a rational relation, the video signal processing circuit is controlled to output the video signal.

    摘要翻译： 将通过改变视频信号中的亮度信号的亮度值和插入到视频信号的扫描区域中的区域中的复制产生管理信号（CGMS信号）获得的电子水印信息被记录在记录介质中。 一种再现装置包括电子水印信息检测电路，CGMS信号检测电路，检测到的电子水印信息和CGMS信号的控制电路以及由控制电路的输出控制的视频信号处理电路。 当电子水印信息和CGMS信号具有合理的关系时，控制视频信号处理电路输出视频信号。

    Disk cartridge and disk device using the same
    104.
    发明授权
    Disk cartridge and disk device using the same 有权
    磁盘盒和磁盘设备使用相同

    公开(公告)号：US6075763A

    公开(公告)日：2000-06-13

    申请号：US400846

    申请日：1999-09-21

    申请人： Kiyoshi Kano ,  Yasuo Ohtsuka ,  Mikio Shiraishi ,  Toshifumi Takeuchi ,  Masafumi Nakamura ,  Masayuki Inoue ,  Yoshio Suzuki ,  Michio Miura

    发明人： Kiyoshi Kano ,  Yasuo Ohtsuka ,  Mikio Shiraishi ,  Toshifumi Takeuchi ,  Masafumi Nakamura ,  Masayuki Inoue ,  Yoshio Suzuki ,  Michio Miura

    IPC分类号： G11B17/04 ,  G11B23/03 ,  G11B33/02 ,  G11B3/70

    CPC分类号： G11B17/0436 ,  G11B17/047 ,  G11B23/0308 ,  G11B23/0311 ,  G11B23/0317

    摘要： A disk cartridge system including different types of disk cartridges for use in a cartridge drive apparatus, including first and second disk cartridges. The first disk cartridge including a first case having a substantially rectangular shape with first, second, third and fourth edges, the first edge of the case being delimited by a first corner portion connecting the first edge and second edge and a second corner portion connecting the first edge and the third edge. The first case has a first groove at a side plane of both of the second and third edges. The first case also has a first cutout portion at both of the second and the third edges and extending in a direction of and passing through the thickness of the first case. The second disk cartridge includes a second case with a substantially rectangular shape with fifth, sixth, seventh and eighth edges, the fifth edge of the second case being delimited by a fifth corner portion connecting the fifth edge and sixth edge and a sixth corner portion connecting the fifth edge and the seventh edge. The second case has a second groove at a side plane of only one of the sixth and seventh edge. The second case also has a second cutout portion at both of the sixth and the seventh edges extending in a direction of the thickness of the second case without passing through the thickness of the second case. A length, width and thickness of the first case are substantially equal to a length, width and thickness of the second case.

    摘要翻译： 一种盘盒系统，包括用于盒驱动装置的不同类型的盘盒，包括第一和第二盘盒。 第一盒式磁盘包括具有第一，第二，第三和第四边缘的大致矩形形状的第一壳体，壳体的第一边缘由连接第一边缘和第二边缘的第一角部限定，第二角部连接 第一边缘和第三边缘。 第一壳体在第二和第三边缘的两侧的侧面具有第一凹槽。 第一壳体还具有在第二和第三边缘处的第一切口部分，并且在第一壳体的厚度方向上延伸并穿过第一壳体的厚度。 第二盒式磁盘包括具有第五，第六，第七和第八边缘的大致矩形形状的第二壳体，第二壳体的第五边缘由连接第五边缘和第六边缘的第五角部分界定，第六角部分连接 第五边和第七边。 第二壳体在第六边缘和第七边缘中只有一个的侧面具有第二凹槽。 第二壳体还具有在第二壳体的厚度方向上延伸的第六和第七边缘的第二切口部分，而不穿过第二壳体的厚度。 第一壳体的长度，宽度和厚度基本上等于第二壳体的长度，宽度和厚度。

    Magnetic recording and reproducing device
    107.
    发明授权
    Magnetic recording and reproducing device 失效
    磁记录和再现装置

    公开(公告)号：US5414567A

    公开(公告)日：1995-05-09

    申请号：US625822

    申请日：1990-12-11

    申请人： Nobutaka Amada ,  Toshifumi Takeuchi ,  Akira Abeta ,  Takao Arai ,  Kouei Usuda

    发明人： Nobutaka Amada ,  Toshifumi Takeuchi ,  Akira Abeta ,  Takao Arai ,  Kouei Usuda

    IPC分类号： G11B5/02 ,  G11B20/10 ,  H04N5/782 ,  H04N9/802 ,  H04N9/835 ,  H04N5/78

    CPC分类号： H04N9/835 ,  G11B20/10 ,  H04N5/78213 ,  H04N9/802

    摘要： A magnetic recording method and apparatus which performs a quadrature phase shift keying operation on a digital information signal, superimposes a high frequency bias signal on the performed signal, records the resulting signal into a deep portion of a magnetic layer of a magnetic tape with a first rotational head, and records a video signal in a surface portion of the magnetic layer above a track formed by the former recording, with a second rotational head which is different in azimuth angle from the first rotational head, the frequency of the high frequency bias signal being set to a value which is about four times as high as the carrier frequency of the quadrature phase shift keyed digital information signal, thereby eliminating a 5th-order distortion component due to cross modulation of the high frequency bias signal and the carrier frequency.

    摘要翻译： 对数字信息信号执行正交相移键控操作的磁记录方法和装置，在所执行的信号上叠加高频偏置信号，将所得到的信号记录在磁带的磁性层的深部，第一 旋转头，并且利用与第一旋转头的方位角不同的第二旋转头将磁性层的表面部分中的视频信号记录在由前一记录形成的轨道上，高频偏置信号的频率 被设置为正交相移键控数字信息信号的载波频率的约四倍的值，从而消除由于高频偏置信号和载波频率的交叉调制引起的5阶失真分量。

    Digital signal recording/reproducing apparatus
    108.
    发明授权
    Digital signal recording/reproducing apparatus 失效
    数字信号记录/再现装置

    公开(公告)号：US07689100B2

    公开(公告)日：2010-03-30

    申请号：US10928242

    申请日：2004-08-30

    申请人： Manabu Sasamoto ,  Hiroo Okamoto ,  Toshifumi Takeuchi ,  Masaru Takahashi

    发明人： Manabu Sasamoto ,  Hiroo Okamoto ,  Toshifumi Takeuchi ,  Masaru Takahashi

    IPC分类号： H04N5/91 ,  H04N7/26

    CPC分类号： H04N5/913 ,  H04L9/0869 ,  H04L2209/605 ,  H04N9/7921 ,  H04N9/8042 ,  H04N2005/91364

    摘要： A digital signal recording apparatus is disclosed, which is capable of protecting the copyright of the analog input information encoded into a first digital signal in a recording medium. A second digital signal encrypted based on the key information and the input analog signal encrypted based on the key information are converted into a second digital signal and encrypted, and the resulting signal is selectively recorded in a recording medium. The digital signal recording apparatus further comprises a circuit for encrypting the digital signal converted from the input analog signal with a key obtained by a predetermined calculation of the key information according to a scheme similar to the second digital signal protection scheme through a digital interface, and a signal recording circuit for recording the key information and the encrypted digital signal in a recording medium.

    摘要翻译： 公开了一种数字信号记录装置，其能够保护编码到记录介质中的第一数字信号中的模拟输入信息的版权。 基于密钥信息加密的第二数字信号和基于密钥信息加密的输入模拟信号被转换成第二数字信号并被加密，并将所得到的信号选择性地记录在记录介质中。 数字信号记录装置还包括一个电路，用于通过数字接口根据类似于第二数字信号保护方案的方案，利用通过密钥信息的预定计算获得的密钥来加密从输入的模拟信号转换的数字信号;以及 用于将密钥信息和加密的数字信号记录在记录介质中的信号记录电路。