公开(公告)号：US08422121B2

公开(公告)日：2013-04-16

申请号：US12815722

申请日：2010-06-15

申请人： Hiroyuki Itoh ,  Takuji Maeda

发明人： Hiroyuki Itoh ,  Takuji Maeda

IPC分类号： H04B10/17 ,  H04B10/08

CPC分类号： H04B10/294 ,  H04B2210/003

摘要： An optical transmission node including an optical preamplifier to amplify input light and an optical postamplifier to amplify light output from the optical preamplifier, includes the optical postamplifier configured to generate amplified spontaneous emission light without signals input, the optical preamplifier configured to amplify the amplified spontaneous emission light from the optical postamplifier, a loopback switch configured to discouple a path of the light output from the optical preamplifier to the optical postamplifier, and couple a path of the light output from the optical postamplifier to the optical preamplifier.

摘要翻译： 包括用于放大输入光的光学前置放大器和用于放大从光学前置放大器输出的光的光学前置放大器的光传输节点包括被配置为产生没有信号输入的放大的自发发射光的光学后置放大器，该光学前置放大器被配置成放大放大的自发发射 来自光学后置放大器的光，环回开关，被配置为将从光学前置放大器输出的光的路径光盘耦合到光学后置放大器，并且将来自光学后置放大器的光输出的路径耦合到光学前置放大器。

公开(公告)号：US08161225B2

公开(公告)日：2012-04-17

申请号：US10567241

申请日：2004-08-03

申请人： Takuji Maeda ,  Shinji Inoue ,  Yoshiho Gotoh ,  Jun Ohara ,  Masahiro Nakanishi ,  Shoichi Tsujita ,  Tomoaki Izumi ,  Tetsushi Kasahara ,  Kazuaki Tamura ,  Kiminori Matsuno ,  Koichi Horiuchi ,  Manabu Inoue ,  Makoto Ochi

发明人： Takuji Maeda ,  Shinji Inoue ,  Yoshiho Gotoh ,  Jun Ohara ,  Masahiro Nakanishi ,  Shoichi Tsujita ,  Tomoaki Izumi ,  Tetsushi Kasahara ,  Kazuaki Tamura ,  Kiminori Matsuno ,  Koichi Horiuchi ,  Manabu Inoue ,  Makoto Ochi

IPC分类号： G06F12/00 ,  G06F13/00 ,  G06F13/28

CPC分类号： G06F3/0659 ,  G06F3/061 ,  G06F3/0632 ,  G06F3/0679

摘要： A card information-storing portion is provided in a semiconductor memory card, and information relating to access performance such as access condition and access rate is held in the storing portion. Further, an access device acquires the held information from the semiconductor memory card to make it possible that the information can be used for control of a file system. This optimizes processing of the access device and the semiconductor memory card independent of differences in characteristics of semiconductor memory cards and management methods used, realizing high-rate access from the access device to a semiconductor memory card.

摘要翻译： 在半导体存储卡中设置有卡片信息存储部分，并且存储与存取条件和访问速率有关的访问性能的信息被保存在存储部分中。 此外，访问装置从半导体存储卡获取保持的信息，使得该信息可以用于文件系统的控制。 这优化了访问设备和半导体存储卡的处理，而与半导体存储卡的特性差异以及使用的管理方法无关，实现了从访问设备到半导体存储卡的高速率访问。

公开(公告)号：US08090920B2

公开(公告)日：2012-01-03

申请号：US11571594

申请日：2005-07-05

申请人： Hirokazu So ,  Makoto Ochi ,  Takuji Maeda ,  Masato Suto ,  Kazuya Fujimura ,  Shinji Inoue ,  Yukiko Inoue

发明人： Hirokazu So ,  Makoto Ochi ,  Takuji Maeda ,  Masato Suto ,  Kazuya Fujimura ,  Shinji Inoue ,  Yukiko Inoue

IPC分类号： H04L9/00 ,  G06F21/00

CPC分类号： G11B20/00869 ,  G06F21/10 ,  G11B20/00086 ,  G11B20/00181 ,  G11B20/00492 ,  G11B20/1262 ,  G11B2020/1278 ,  G11B2220/61

摘要： A recording medium stores contents and contents keys to be used for encrypting the contents, in a plurality of storage formats. The storage formats include a storage format (a first format) for delivered contents acquired through a network, and a storage format (a second format) for local contents acquired by a method other than the delivery. The intrinsic storage formats of the contents to be stored in the recording medium are determined according to the kinds of the contents. The recording medium stores not only the contents and the contents keys but also original storage format information (an import flag) (851) which is information indicating the intrinsic storage formats of the contents. With reference to the original storage format information, a reproduction device selects a reproduction method in accordance with the intrinsic storage formats of the contents.

摘要翻译： 记录介质以多种存储格式存储要用于加密内容的内容和内容密钥。 存储格式包括用于通过网络获取的传送内容的存储格式（第一格式）和用于通过非传送方法获取的本地内容的存储格式（第二格式）。 要存储在记录介质中的内容的固有存储格式根据内容的种类来确定。 记录介质不仅存储内容和内容密钥，而且存储作为表示内容的固有存储格式的信息的原始存储格式信息（进口标志）（851）。 参考原始存储格式信息，再现设备根据内容的固有存储格式选择再现方法。

公开(公告)号：US20110302225A1

公开(公告)日：2011-12-08

申请号：US13204323

申请日：2011-08-05

申请人： Takuji MAEDA ,  Shinji INOUE

发明人： Takuji MAEDA ,  Shinji INOUE

IPC分类号： G06F17/30

CPC分类号： G06F11/1435 ,  G06F11/1004 ,  G06F16/13

摘要： An information recording device, which includes a nonvolatile memory whose areas are managed using an FAT file system and enhances the reliability of directory entries using a cyclic shift checksum, recalculates the cyclic shift checksum efficiently and performs seeking at a higher speed. A nonvolatile memory (25) of an information recording device 2 is managed using an FAT file system. In the memory, a plurality of directory entries are allocated to a single file. The device enhances the reliability of the directory entries using a cyclic shift checksum, and manages information indicating the position and the size of a storage area of file data using an extent information entry (203). The device further uses an update information entry (204) and a dummy entry (205).

公开(公告)号：US08069306B2

公开(公告)日：2011-11-29

申请号：US12942482

申请日：2010-11-09

申请人： Takuji Maeda ,  Masato Suto ,  Hirokazu So ,  Makoto Ochi ,  Shinji Inoue

发明人： Takuji Maeda ,  Masato Suto ,  Hirokazu So ,  Makoto Ochi ,  Shinji Inoue

IPC分类号： G06F12/00 ,  G06F13/28 ,  G06F17/30

CPC分类号： G06F3/0643 ,  G06F3/0608 ,  G06F3/064 ,  G06F3/0676 ,  G06F3/0677 ,  G06F3/0679 ,  G06F12/0866 ,  G06F2212/466 ,  Y10S707/99956

摘要： Area management information is cached in a cache memory by controlling the access size when an information processor accesses the area management information in an information recording medium. When the processing content of the information processor is to retrieve a free area from the area management information, a physical management block size determined from the physical characteristics of the information recording medium is used. When the processing content is to acquire a link destination from the area management information, minimum access unit of the information recording medium is used. Consequently, overhead can be lessened when the area management information is accessed.

摘要翻译： 当信息处理器访问信息记录介质中的区域管理信息时，通过控制访问大小，将区域管理信息缓存在高速缓冲存储器中。 当信息处理器的处理内容从区域管理信息中检索空闲区域时，使用从信息记录介质的物理特性确定的物理管理块大小。 当处理内容从区域管理信息获取链接目的地时，使用信息记录介质的最小访问单元。 因此，当访问区域管理信息时，可以减少开销。

公开(公告)号：US08015349B2

公开(公告)日：2011-09-06

申请号：US13012978

申请日：2011-01-25

申请人： Takuji Maeda ,  Teruto Hirota

发明人： Takuji Maeda ,  Teruto Hirota

IPC分类号： G06F12/06

CPC分类号： G06F3/0644 ,  G06F3/0613 ,  G06F3/0616 ,  G06F3/064 ,  G06F3/0643 ,  G06F3/0652 ,  G06F3/0679 ,  G06F12/0223 ,  G06F12/0246 ,  G06F12/1433 ,  G06F2212/1016 ,  G06F2212/2022 ,  G06F2212/7202 ,  G11B20/00086

摘要： A predetermined number of erasable blocks positioned at a start of a volume area in a semiconductor memory card are provided so as to include volume management information. A user area following the volume management information includes a plurality of clusters. A data length NOM of an area from a master boot record & partition table sector to a partition boot sector is determined so that the plurality of clusters in the user area are not arranged so as to straddle erasable block boundaries. Since cluster boundaries and erasable block boundaries in the user area are aligned, there is no need to perform wasteful processing in which two erasable blocks are erased to rewrite one cluster.

公开(公告)号：US20110188866A1

公开(公告)日：2011-08-04

申请号：US13012870

申请日：2011-01-25

申请人： Takuji MAEDA

发明人： Takuji MAEDA

IPC分类号： H04B10/06 ,  H04B10/02

摘要： A coherent optical communication device includes a demodulator configured to demodulate a reception signal; a local oscillator light optical source configured to generate local oscillator light used for demodulating the reception signal; a memory configured to store wavelength information; and a controller configured to control the local oscillator light optical source when the demodulator cannot receive the reception signal, so that a wavelength of the local oscillator light generated in the local oscillator light optical source is changed to a wavelength specified by the wavelength information stored in the memory.

摘要翻译： 相干光通信设备包括：解调器，被配置为解调接收信号; 本地振荡器光源，被配置为产生用于解调接收信号的本地振荡器光; 存储器，被配置为存储波长信息; 以及控制器，其被配置为当解调器不能接收接收信号时控制本地振荡器光源，使得在本地振荡器光源中产生的本地振荡器光的波长被改变为由存储在 记忆。

公开(公告)号：US20110125958A1

公开(公告)日：2011-05-26

申请号：US13012978

申请日：2011-01-25

申请人： Takuji MAEDA ,  Teruto Hirota

发明人： Takuji MAEDA ,  Teruto Hirota

IPC分类号： G06F12/00 ,  G06F15/177

CPC分类号： G06F3/0644 ,  G06F3/0613 ,  G06F3/0616 ,  G06F3/064 ,  G06F3/0643 ,  G06F3/0652 ,  G06F3/0679 ,  G06F12/0223 ,  G06F12/0246 ,  G06F12/1433 ,  G06F2212/1016 ,  G06F2212/2022 ,  G06F2212/7202 ,  G11B20/00086

摘要： A predetermined number of erasable blocks positioned at a start of a volume area in a semiconductor memory card are provided so as to include volume management information. A user area following the volume management information includes a plurality of clusters. A data length NOM of an area from a master boot record & partition table sector to a partition boot sector is determined so that the plurality of clusters in the user area are not arranged so as to straddle erasable block boundaries. Since cluster boundaries and erasable block boundaries in the user area are aligned, there is no need to perform wasteful processing in which two erasable blocks are erased to rewrite one cluster.

公开(公告)号：US20110125928A1

公开(公告)日：2011-05-26

申请号：US13014875

申请日：2011-01-27

申请人： Masayuki TOYAMA ,  Takuji MAEDA ,  Tomoaki IZUMI ,  Shouichi TSUJITA ,  Masahiro NAKANISHI ,  Shinji INOUE

发明人： Masayuki TOYAMA ,  Takuji MAEDA ,  Tomoaki IZUMI ,  Shouichi TSUJITA ,  Masahiro NAKANISHI ,  Shinji INOUE

IPC分类号： G06F3/01

CPC分类号： G06F3/0659 ,  G06F3/0619 ,  G06F3/0679

摘要： A host device is connected to a storage device via a bus and reads and writes data in the storage device. The host device includes a command transmitter that sequentially transmits a command in a command sequence, which includes a set of commands which do not change data stored in the storage device, and a response receptor that accepts a response from the storage device for each command transmission from the command transmitter and determines whether or not an error exists. An acceptable/unacceptable access determiner provided in the host device enables access to the storage device when a normal response is identified by the response receptor and otherwise determines that access to the storage device is unacceptable. The normal response is when the responses received from the storage device for the transmissions of all commands in the command sequence do not include an error.

摘要翻译： 主机通过总线连接到存储设备，并在存储设备中读取和写入数据。 主机装置包括命令发送器，其顺序地发送命令序列中的命令，该命令序列包括不改变存储在存储装置中的数据的一组命令，以及响应接收器，用于接收来自存储装置的每个命令传输的响应 从命令发送器确定是否存在错误。 在主机设备中提供的可接受/不能接受的访问确定器使得能够在响应受体识别出正常响应时访问存储设备，并且另外确定对存储设备的访问是不可接受的。 正常响应是当从存储设备接收的用于命令序列中的所有命令的传输的响应不包括错误。

公开(公告)号：US07900007B2

公开(公告)日：2011-03-01

申请号：US11571592

申请日：2005-06-28

申请人： Masayuki Toyama ,  Takuji Maeda ,  Tomoaki Izumi ,  Shouichi Tsujita ,  Masahiro Nakanishi ,  Shinji Inoue

发明人： Masayuki Toyama ,  Takuji Maeda ,  Tomoaki Izumi ,  Shouichi Tsujita ,  Masahiro Nakanishi ,  Shinji Inoue

IPC分类号： G06F13/14

CPC分类号： G06F3/0659 ,  G06F3/0619 ,  G06F3/0679

摘要： A host device transmits a command from a command transmission unit (101a) along a predetermined command sequence. A storage device (2) receives the command in a command reception unit (202a). An access determination unit (202c) determines the sequence of the command transmitted from the host device (1) and determines that reception of the access to the host device (1) is enabled only when the sequence is identical with a predetermined sequence. Thus, with simple control, it is possible to prevent data destruction by a host device of an old version.

摘要翻译： 主机设备沿着预定的命令序列从命令发送单元（101a）发送命令。 存储装置（2）在命令接收部（202a）中接收命令。 访问确定单元（202c）确定从主机设备（1）发送的命令的顺序，并且确定只有当序列与预定序列相同时，对主机设备（1）的访问的接收才被使能。 因此，通过简单的控制，可以防止主机装置破坏老版本的数据。