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1. 发明授权

US5623344A Digital video recording device with trick play capability 失效
标题翻译：具有特技播放功能的数字视频录像设备
公开(公告)号：US5623344A
公开(公告)日：1997-04-22
申请号：US293639
申请日：1994-08-19
申请人： Frank A. Lane , Joseph E. Augenbraun , Jill M. Boyce , Jack S. Fuhrer , John G. N. Henderson , Katsuo Mohri , Masafumi Nakamura , Takaharu Noguchi , Hiroo Okamoto , Masuo Oku , Michael A. Plotnick
发明人： Frank A. Lane , Joseph E. Augenbraun , Jill M. Boyce , Jack S. Fuhrer , John G. N. Henderson , Katsuo Mohri , Masafumi Nakamura , Takaharu Noguchi , Hiroo Okamoto , Masuo Oku , Michael A. Plotnick
IPC分类号： G11B5/008 , G11B5/09 , G11B15/12 , G11B15/18 , G11B20/12 , G11B27/00 , G11B27/30 , H04N5/44 , H04N5/775 , H04N5/7826 , H04N5/783 , H04N5/93 , H04N5/945 , H04N7/015 , H04N7/26 , H04N7/52 , H04N9/78 , H04N9/79 , H04N9/804 , H04N9/806 , H04N9/82 , H04N9/888 , H04N19/89 , H04N5/76 , H04N5/78
CPC分类号： G11B15/1875 , G11B20/1207 , G11B27/005 , G11B27/3027 , H04N19/37 , H04N19/89 , H04N21/4147 , H04N21/4334 , H04N5/4401 , H04N5/93 , H04N7/015 , H04N7/52 , H04N9/78 , H04N9/8042 , H04N9/8047 , G11B15/125 , G11B2220/90 , G11B5/0086 , G11B5/09 , H04N5/775 , H04N5/78263 , H04N5/78266 , H04N5/783 , H04N5/945 , H04N9/7921 , H04N9/8066 , H04N9/8227 , H04N9/888
摘要： A digital video tape recorder ("VTR") that selects data useful for generating images during trick playback operation and records the data in trick play tape segments arranged on a tape to form fast scan tracks and multi-speed playback tracks. Each fast scan track comprises trick play tape segments located on a diagonal, relative to the length of the tape, of the same angle as the angle at which the heads of a VTR are expected to pass over the tape during trick play operation at a specific speed and direction of operation. Each multi-speed playback track comprises a plurality of trick play tape segments arranged parallel to the length of the tape. Data which is used for at least one mode of trick play operation is recorded in each trick play tape segment. Each fast scan track and multi-speed track crosses multiple normal play tracks. During playback at a wide variety of speeds and directions, the heads pass over enough trick play segments of the multi-speed playback track to generate recognizable images during trick play operation. Data is recorded in each trick play segment in a manner that optimizes the amount of data that can be routinely recovered during trick playback operation despite tracking errors.
摘要翻译：一种数字录像机（“VTR”），其选择在特技播放操作期间生成图像的数据，并将数据记录在布置在磁带上的特技播放磁带段中以形成快速扫描轨道和多速重放轨道。每个快速扫描轨道包括相对于磁带长度位于对角线上的特技播放磁带段，其角度与在特定播放操作期间期望VTR的磁头经过磁带的角度相同的角度速度和操作方向。每个多速播放轨道包括平行于磁带的长度布置的多个特技播放磁带片段。用于至少一种特技播放操作模式的数据被记录在每个特技播放磁带段中。每个快速扫描轨道和多速度轨道穿过多个正常播放轨道。在以各种各样的速度和方向播放期间，头部通过多速播放轨道的足够的特技播放段，以在特技播放操作期间产生可识别的图像。数据被记录在每个特技播放段中，以尽可能优化在特技重放操作期间常规恢复的数据量，尽管跟踪错误。

2. 发明授权

US5583650A Digital recording and playback device error correction methods and apparatus for use with trick play data 失效
标题翻译：用于特技播放数据的数字记录和播放设备纠错方法和设备
公开(公告)号：US5583650A
公开(公告)日：1996-12-10
申请号：US462877
申请日：1995-06-05
申请人： Frank A. Lane , Jill M. Boyce , Jack S. Fuhrer , John G. N. Henderson , Katsuo Mohri , Masafumi Nakamura , Takaharu Noguchi , Hiroo Okamoto , Masuo Oku , Michael A. Plotnick
发明人： Frank A. Lane , Jill M. Boyce , Jack S. Fuhrer , John G. N. Henderson , Katsuo Mohri , Masafumi Nakamura , Takaharu Noguchi , Hiroo Okamoto , Masuo Oku , Michael A. Plotnick
IPC分类号： G11B5/008 , G11B5/09 , G11B15/12 , G11B15/18 , G11B20/12 , G11B27/00 , G11B27/30 , H04N5/44 , H04N5/775 , H04N5/7826 , H04N5/783 , H04N5/93 , H04N5/945 , H04N7/015 , H04N7/26 , H04N7/52 , H04N9/78 , H04N9/79 , H04N9/804 , H04N9/806 , H04N9/82 , H04N9/888 , H04N19/89 , H04N5/76 , H04N5/78
CPC分类号： H04N21/4147 , G11B15/1875 , G11B20/1207 , G11B27/005 , G11B27/3027 , H04N19/37 , H04N19/89 , H04N21/4334 , H04N5/4401 , H04N5/93 , H04N7/015 , H04N7/52 , H04N9/78 , H04N9/8042 , H04N9/8047 , G11B15/125 , G11B2220/90 , G11B5/0086 , G11B5/09 , H04N5/775 , H04N5/78263 , H04N5/78266 , H04N5/783 , H04N5/945 , H04N9/7921 , H04N9/8066 , H04N9/8227 , H04N9/888
摘要： Methods of operating a digital video recording and playback device, such as a video tape recorder, to arrange trick play data into one or more groups, to generate error correction bits for each group of trick play data, e.g., a group of trick play data blocks, and to correct the data after being read back using the error correction bits is disclosed. The trick play data blocks are made to be smaller than normal play data blocks with multiple trick play data blocks being equal in size to a single normal play data block. By making a group of trick play data blocks equal in size to a single normal play data block, the group of trick play data blocks may be processed as a unit by the same error correction circuitry and in the same manner used to process individual normal play data blocks. In accordance with one embodiment, the error correction bits for a group of trick play data blocks are calculated treating the data in the group of trick play data blocks as a single unit. The error correction bits are appended to the last data block in the group of trick play data blocks. During trick play operation the trick play data blocks are read back and combined according to trick play data groups. Each group of trick play blocks is then processed using the same error correction circuitry used to process a normal play data block.
摘要翻译：操作诸如磁带录像机的数字视频记录和回放设备的方法来将特技播放数据排列到一个或多个组中，以为每组特技播放数据生成纠错位，例如一组特技播放数据块，并且在使用误差校正位读取之后校正数据被公开。使特技播放数据块小于具有与单个正常播放数据块大小相等的多个特技播放数据块的普通播放数据块。通过使一组特技播放数据块的大小与单个正常播放数据块相等，该特技播放数据块组可以通过相同的纠错电路以与用于处理各个正常播放相同的方式作为一个单元来处理数据块。根据一个实施例，计算一组特技播放数据块的纠错位，将特技播放数据块组中的数据作为一个单位处理。误差校正位附加到特技播放数据块组中的最后一个数据块。在特技播放操作期间，根据特技播放数据组读取并组合特技播放数据块。然后使用用于处理正常播放数据块的相同的纠错电路处理每组特技播放块。

3. 发明授权

US5729649A Methods and apparatus for recording data on a digital storage medium in a manner that facilitates the reading back of data during trick play operation 失效
标题翻译：用于在数字存储介质上以便于在特技播放操作期间回读数据的方式记录数据的方法和装置
公开(公告)号：US5729649A
公开(公告)日：1998-03-17
申请号：US716784
申请日：1996-09-05
申请人： Frank Anton Lane , Joseph Ellis Augenbraun , Jill MacDonald Boyce , Jack Selig Fuhrer , John Goodchilde Norie Henderson , Katsuo Mohri , Masafumi Nakamura , Takaharu Noguchi , Hiroo Okamoto , Masuo Oku , Michael Allen Plotnick
发明人： Frank Anton Lane , Joseph Ellis Augenbraun , Jill MacDonald Boyce , Jack Selig Fuhrer , John Goodchilde Norie Henderson , Katsuo Mohri , Masafumi Nakamura , Takaharu Noguchi , Hiroo Okamoto , Masuo Oku , Michael Allen Plotnick
IPC分类号： G11B5/008 , G11B5/09 , G11B15/12 , G11B15/18 , G11B20/12 , G11B27/00 , G11B27/30 , H04N5/44 , H04N5/775 , H04N5/7826 , H04N5/783 , H04N5/93 , H04N5/945 , H04N7/015 , H04N7/26 , H04N7/52 , H04N9/78 , H04N9/79 , H04N9/804 , H04N9/806 , H04N9/82 , H04N9/888 , H04N19/89 , H04N5/91
CPC分类号： G11B15/1875 , G11B20/1207 , G11B27/005 , G11B27/3027 , H04N19/37 , H04N19/89 , H04N21/4147 , H04N21/4334 , H04N5/4401 , H04N5/93 , H04N7/015 , H04N7/52 , H04N9/78 , H04N9/8042 , H04N9/8047 , G11B15/125 , G11B2220/90 , G11B5/0086 , G11B5/09 , H04N5/775 , H04N5/78263 , H04N5/78266 , H04N5/783 , H04N5/945 , H04N9/7921 , H04N9/8066 , H04N9/8227 , H04N9/888
摘要： A digital video tape recorder ("VTR") that selects data useful for generating images during trick playback operation and records the data in trick play tape segments arranged on a tape to form fast scan tracks and multi-speed playback tracks. Each fast scan track comprises trick play tape segments located on a diagonal, relative to the length of the tape, of the same angle as the angle at which the heads of a VTR are expected to pass over the tape during trick play operation at a specific speed and direction of operation. Each multi-speed playback track comprises a plurality of trick play tape segments arranged parallel to the length of the tape. Data which is used for at least one mode of trick play operation is recorded in each trick play tape segment. Each fast scan track and multi-speed track crosses multiple normal play tracks. During playback at a wide variety of speeds and directions, the heads pass over enough trick play segments of the multi-speed playback track to generate recognizable images during trick play operation. Data is recorded in each trick play segment in a manner that optimizes the amount of data that can be routinely recovered during trick playback operation despite tracking errors.
摘要翻译：一种数字录像机（“VTR”），其选择在特技播放操作期间生成图像的数据，并将数据记录在布置在磁带上的特技播放磁带段中以形成快速扫描轨道和多速重放轨道。每个快速扫描轨道包括相对于磁带长度位于对角线上的特技播放磁带段，其角度与在特定播放操作期间期望VTR的磁头经过磁带的角度相同的角度速度和操作方向。每个多速播放轨道包括平行于磁带的长度布置的多个特技播放磁带片段。用于至少一种特技播放操作模式的数据被记录在每个特技播放磁带段中。每个快速扫描轨道和多速度轨道穿过多个正常播放轨道。在以各种各样的速度和方向播放期间，头部通过多速播放轨道的足够的特技播放段，以在特技播放操作期间产生可识别的图像。数据被记录在每个特技播放段中，以尽可能优化在特技重放操作期间常规恢复的数据量，尽管跟踪错误。

4. 发明授权

US5687275A Trick play data indentification methods and apparatus for use with digital video recording and playback devices 失效
标题翻译：用于数字视频录制和播放设备的特技播放数据识别方法和设备
公开(公告)号：US5687275A
公开(公告)日：1997-11-11
申请号：US463336
申请日：1995-06-05
申请人： Frank Anton Lane , Joseph Ellis Augenbraun , Jill MacDonald Boyce , Jack Selig Fuhrer , John Goodchilde Norie Henderson , Katsuo Mohri , Masafumi Nakamura , Takaharu Noguchi , Hiroo Okamoto , Masuo Oku , Michael Allen Plotnick
发明人： Frank Anton Lane , Joseph Ellis Augenbraun , Jill MacDonald Boyce , Jack Selig Fuhrer , John Goodchilde Norie Henderson , Katsuo Mohri , Masafumi Nakamura , Takaharu Noguchi , Hiroo Okamoto , Masuo Oku , Michael Allen Plotnick
IPC分类号： G11B5/008 , G11B5/09 , G11B15/12 , G11B15/18 , G11B20/12 , G11B27/00 , G11B27/30 , H04N5/44 , H04N5/775 , H04N5/7826 , H04N5/783 , H04N5/93 , H04N5/945 , H04N7/015 , H04N7/26 , H04N7/52 , H04N9/78 , H04N9/79 , H04N9/804 , H04N9/806 , H04N9/82 , H04N9/888 , H04N19/89 , H04N5/91
CPC分类号： G11B15/1875 , G11B20/1207 , G11B27/005 , G11B27/3027 , H04N19/37 , H04N19/89 , H04N21/4147 , H04N21/4334 , H04N5/4401 , H04N5/93 , H04N7/015 , H04N7/52 , H04N9/78 , H04N9/8042 , H04N9/8047 , G11B15/125 , G11B2220/90 , G11B5/0086 , G11B5/09 , H04N5/775 , H04N5/78263 , H04N5/78266 , H04N5/783 , H04N5/945 , H04N9/7921 , H04N9/8066 , H04N9/8227 , H04N9/888
摘要： Methods of operating a digital video recording and playback device to identify trick play data, e.g., data that is intended for use during trick play modes of video playback device operation such as fast forward and reverse, by recording headers containing specific trick play information along with the trick play data are described. In one embodiment, the recording of headers which identify data as data intended for use during trick play as opposed to normal play operation is described. In addition to identifying data recorded data as normal play or trick play data headers associated with recorded data may identify the speed and direction of video tape recorder operation during which the specific data associated with the header is intended to be displayed at. When a data block includes data packets, a header may be used to identify various ones of the data packets as being for use during one mode of trick play operation, e.g., a first fast forward speed of operation, and other packets in the same data block as being for use during a second mode of trick play operation.
摘要翻译：操作数字视频记录和回放设备以识别特技播放数据的方法，例如，通过记录包含特定特技播放信息的标题以及包含特定的特技播放信息的标题，以及诸如快进和反向的视频播放设备操作的特技播放模式期间使用的数据，以及描述特技播放数据。在一个实施例中，描述了与正常播放操作相反，标识数据作为要在特技播放期间使用的数据的标题的记录。除了将数据记录的数据识别为正常播放或与记录的数据相关联的特技播放数据头可以识别录像机操作的速度和方向，在此期间，与标题相关联的特定数据将被显示在其上。当数据块包括数据分组时，可以使用报头来将各种数据分组识别为在特技播放操作的一种模式期间使用，例如，第一快进操作速度和相同数据中的其他分组作为在特技播放操作的第二模式期间使用的块。

5. 发明授权

US5227928A Magnetic recording/reproducing apparatus which maintains a constant speed relation between a linearly moving tape and a rotationally moving head 失效
标题翻译：在线性移动带和旋转移动头之间保持恒定速度关系的磁记录/重放装置
公开(公告)号：US5227928A
公开(公告)日：1993-07-13
申请号：US758479
申请日：1991-09-09
申请人： Harushige Nakagaki , Masafumi Nakamura , Takaharu Noguchi , Shouzaburo Sakaguchi , Kenichiro Kawasaki
发明人： Harushige Nakagaki , Masafumi Nakamura , Takaharu Noguchi , Shouzaburo Sakaguchi , Kenichiro Kawasaki
IPC分类号： G11B15/18 , G11B15/467 , G11B27/13
CPC分类号： G11B15/4671 , G11B15/1875 , G11B27/13
摘要： A magnetic recording/reproducing apparatus for recording a signal onto a magnetic tape and reproducing a recorded signal comprises magnetic heads mounted on a rotary cylinder, a tape driving mechanism, high speed running control device for driving a reel shaft to rotate at a speed higher than a normal recording/reproducing speed, tape-running detecting device, reel motor starting device for generating a ramp voltage having a suitable gradient, a switch for turning on/off the tape running speed control by the high speed running control device and adding device. In the apparatus the cylinder rotation speed follow-up control never comes out in making the high speed running of the tape rise, so that the relative speed between the head and tape is maintained to substantial constant.
摘要翻译：用于将信号记录在磁带上并再现记录信号的磁记录/再现装置包括安装在旋转圆筒上的磁头，磁带驱动机构，用于驱动磁带轴以高于正常记录/重放速度，磁带运行检测装置，用于产生具有适当梯度的斜坡电压的卷轴电动机启动装置，用于通过高速运行控制装置打开/关闭磁带运行速度控制的开关和添加装置。在该装置中，在使带的高速运行升高时，不会出现气缸转速跟随控制，使得磁头和磁带之间的相对速度保持在大致恒定。

6. 发明申请

US20060134398A1 Method of producing a polyurethane foam molded article 失效
公开(公告)号：US20060134398A1
公开(公告)日：2006-06-22
申请号：US11302838
申请日：2005-12-14
申请人： Masafumi Nakamura , Masaru Suzuki , Hitoshi Maeda
发明人： Masafumi Nakamura , Masaru Suzuki , Hitoshi Maeda
IPC分类号： B29C44/02 , B32B5/14
CPC分类号： B29C44/0461 , C08G18/7664 , C08G18/797 , C08G2101/0033 , Y10T428/249961
摘要： A method of producing a polyurethane molded article is provided, in which one molding machine which can provide distinctly polyisocyanate component(s) and two kinds of polyol components is used, and prior to completion of the feed of a first polyurethane mixture liquid containing a polyisocyanate and a polyol component without a blowing agent into a mold, a second polyurethane mixture liquid containing a polyisocyanate and a second polyol component with a blowing agent is fed into the mold. The method produces, in a single stage, a polyurethane foam molded article having the skin or high density portion selectively formed on portions of the molded article actually requiring them, where the proportions of the skin and the high density portion and the foamed core can be varied freely.

7. 发明授权

US06728408B1 Water-mark embedding method and system 有权
标题翻译：水印嵌入法和系统
公开(公告)号：US06728408B1
公开(公告)日：2004-04-27
申请号：US09144467
申请日：1998-09-01
申请人： Isao Echizen , Hiroshi Yoshiura , Masafumi Nakamura , Takao Arai , Toshifumi Takeuchi
发明人： Isao Echizen , Hiroshi Yoshiura , Masafumi Nakamura , Takao Arai , Toshifumi Takeuchi
IPC分类号： G06K900
CPC分类号： G06T1/0021 , G06T2201/0051 , G06T2201/0061 , H04N1/32203 , H04N1/32208 , H04N1/32229 , H04N1/32251 , H04N2201/3233 , H04N2201/327
摘要： A data embedding method and apparatus and a data reproducing method and apparatus are provided which can apply a digital watermark to various contents. Instead of embedding watermarking information in respective pixels or by using a relation between pixels, the watermarking information is embedded as a position pattern of changed pixels in the contents. Reliability comparable with conventional techniques can be obtained irrespective of a change in a smaller number of pixels for the contents.
摘要翻译：提供了可以将数字水印应用于各种内容的数据嵌入方法和装置以及数据再现方法和装置。不是将水印信息嵌入各像素中，或者通过使用像素之间的关系，水印信息被嵌入作为内容中的改变像素的位置图案。可以获得与常规技术相当的可靠性，而不管内容物的较少数量的像素的变化。

8. 发明授权

US06438172B1 Transmitting and recording method, reproducing method, and reproducing apparatus of information and its recording medium 失效
标题翻译：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。

9. 发明授权

US06308003B1 Method of recording image data and method of reproducing information from optical disk 有权
标题翻译：记录图像数据的方法和从光盘再现信息的方法
公开(公告)号：US06308003B1
公开(公告)日：2001-10-23
申请号：US09429040
申请日：1999-10-29
申请人： Masayuki Hirabayashi , Hideaki Suzuki , Masafumi Nakamura , Yutaka Nagai , Toshifumi Takeuchi
发明人： Masayuki Hirabayashi , Hideaki Suzuki , Masafumi Nakamura , Yutaka Nagai , Toshifumi Takeuchi
IPC分类号： H04N591
CPC分类号： H04N9/8042 , G11B7/00745 , G11B20/1251 , G11B27/005 , G11B27/105 , G11B27/3027 , G11B27/329 , G11B2020/1232 , G11B2220/20 , H04N5/783 , H04N5/85
摘要： An optical disk recording thereon compressed moving picture data and an optical disk reproduction apparatus each capable of easily effecting trick play such as high speed reproduction and a retrieval operation at a high speed. Additional information necessary for trick play is recorded in an arbitrary area of an optical disk such as a TOC (Table of Contents) or a leading sector (sector 0) of the disk, and a sector address is added to each sector. To conduct trick play, an I picture, a P picture and a B picture contained in a GOP layer inside a bit stream of compressed image data are extracted and reproduced in accordance with a reproduction speed by looking up a trick play table.
摘要翻译：在其上记录有压缩运动图像数据的光盘和能够容易地高速再现高速再现和检索操作的特技播放的光盘再现装置。特殊播放所需的附加信息被记录在诸如盘（目录）或光盘的前导扇区（扇区0）的光盘的任意区域中，并且扇区地址被添加到每个扇区。为了进行特技播放，通过查找特技播放表，根据再现速度提取并再现包含在压缩图像数据的比特流内的GOP层中的I图像，P图像和B图像。

10. 发明授权

US6075763A Disk cartridge and disk device using the same 有权
标题翻译：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。

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