公开(公告)号：US07088646B1

公开(公告)日：2006-08-08

申请号：US09655352

申请日：2000-09-08

申请人： Takashi Inoue ,  Yasuhiro Hayashi ,  Satoru Maeda

发明人： Takashi Inoue ,  Yasuhiro Hayashi ,  Satoru Maeda

IPC分类号： G11B7/00 ,  G11B19/22

CPC分类号： G11B7/08535 ,  G11B7/0953

摘要： Disclosed is a track-search control circuit for performing track-search of an optical disc stably even at the time of multi-speed reproduction of the optical disc. The track search control circuit comprises a circuit for detecting the light beam having traversed the track when the light beam moves in the radial direction of the optical disc and generating a normal direction on-track signal FVACLR at the time of being on the track and a normal direction off-track signal FVBCLR at the time of being off the track, a first measurement circuit that starts time measurement at the time of generating the normal direction on-track signal, a second measurement circuit that starts time measurement at the time of generating the normal direction off-track signal, circuits which detect the error between a moving velocity of the optical beam in the radial direction of the optical disc and a target velocity based on a measurement output by the first measurement circuit and a measurement output by the second measurement circuit, and a correction circuit for correcting the moving velocity of the optical beam in the radial direction based on the detected error signal.

摘要翻译： 公开了一种轨道搜索控制电路，用于即使在光盘的多重再现时也稳定地执行光盘的轨道搜索。 轨迹搜索控制电路包括一个电路，用于当光束沿光盘的径向移动时检测已经穿过轨道的光束，并且在轨道上产生法向方向轨道信号FVACLR，并且 在轨道关闭时的正常方向离轨信号FVBCLR，在产生法向方向轨道信号时开始时间测量的第一测量电路，在产生时开始时间测量的第二测量电路 法线方向离轨信号，检测光盘径向移动速度与基于第一测量电路的测量输出的目标速度之间的误差的电路和第二测量输出的测量输出 测量电路和校正电路，用于根据检测到的误差符号校正光束在径向方向上的移动速度 al。

公开(公告)号：US06178145B1

公开(公告)日：2001-01-23

申请号：US09199784

申请日：1998-11-25

申请人： Yasuhiro Hayashi ,  Masayuki Tamura ,  Satoru Maeda

发明人： Yasuhiro Hayashi ,  Masayuki Tamura ,  Satoru Maeda

IPC分类号： G11B709

CPC分类号： G11B7/08511 ,  G11B7/0945 ,  G11B2007/0013

摘要： A focus servo control system is a system for selectively applying a light beam to a disk on which data is recorded on plurally layered recording surfaces and setting the focus position of the light beam on a selected recording surface of the two-layered recording surfaces based on a signal read from reflected light from the selected recording surface of the plurally layered recording surfaces of the disk and includes a focus error detector for detecting a positional difference between the focus position of the light beam and the selected recording surface of the plurally layered recording surfaces, a sample-hold circuit for sampling and holding an output of the focus error detector, a focus position correcting circuit for correcting the focus position of the light beam based on one of the output of the focus error detector and an output of the sample-hold circuit, a data signal level detector for detecting the signal level relating to data read out from the disk, a comparator for comparing a signal level detected by the data signal level detector with a predetermined level to output the result of comparison, and a selector for selecting one of the output of the focus error detector and the output of the sample-hold circuit as an input signal of the focus position correcting circuit based on the output of the comparator.

摘要翻译： 聚焦伺服控制系统是一种系统，用于选择性地将光束施加到数据被记录在多层记录表面上的盘上，并将光束的焦点位置设置在基于两层记录表面的选定记录表面上 从盘的多层记录表面的所选择的记录表面的反射光中读出的信号，包括：聚焦误差检测器，用于检测光束的焦点位置与多层记录表面的选定记录表面之间的位置差; 用于采样和保持聚焦误差检测器的输出的采样保持电路，用于根据聚焦误差检测器的输出和采样保持电路的输出校正光束的聚焦位置的聚焦位置校正电路， 保持电路，用于检测与从盘读出的数据相关的信号电平的数据信号电平检测器，用于比较器的比较器 以预定电平振荡由数据信号电平检测器检测到的信号电平，以输出比较结果;以及选择器，用于选择聚焦误差检测器的输出和采样保持电路的输出之一作为输入信号 基于比较器的输出的聚焦位置校正电路。

公开(公告)号：US4689779A

公开(公告)日：1987-08-25

申请号：US810254

申请日：1985-12-18

申请人： Yasuhiro Hayashi ,  Satoru Maeda ,  Tadashi Kojima

发明人： Yasuhiro Hayashi ,  Satoru Maeda ,  Tadashi Kojima

IPC分类号： G11B7/09 ,  G11B21/10 ,  G11B7/095

CPC分类号： G11B7/0948 ,  G11B21/106

摘要： A tracking control system for an optical disc information reproducing apparatus in which information stored in an optical disc as a series of recesses or pits arranged in concentric tracks or in a single spiral track is read out during rotation of the optical-disc by a scanning spot of a light beam, the system comprising a light source for generating the light beam used for scanning the track, means for applying the scanning spot of the light beam to a selected track location, a transducer for converting an optical signal detected by the scanning spot into an electric signal bearing a tracking error information, means for controlling the scanning spot applying means in response to the tracking error information signal, thereby causing the scanning spot to scan the selected track location accurately, means for transferring the tracking error information signal to the controlling means, a transfer characteristics of the transferring means being variable, means for limiting a slew rate of the tracking error information signal, means for subtracting an output of the slew rate limiting means from the tracking error information signal, and means for lowering the transfer characteristics of the controlling means in response to an output of the subtracting means, thereby causing the controlling means being irresponsive to the tracking error information signal.

摘要翻译： 一种用于光盘信息再现装置的跟踪控制系统，其中在光盘由扫描点旋转期间读出存储在光盘中的信息作为排列在同心轨道或单个螺旋轨迹中的一系列凹部或凹坑 所述系统包括用于产生用于扫描轨道的光束的光源，用于将光束的扫描点施加到所选轨道位置的装置，用于转换由扫描点检测的光信号的换能器 成为具有跟踪误差信息的电信号，用于响应于跟踪误差信息信号控制扫描点施加装置的装置，从而使扫描点精确地扫描所选择的轨道位置，用于将跟踪误差信息信号传送到 控制装置，传送装置的传送特性可变，用于限制转换速率的装置 跟踪误差信息信号，用于从跟踪误差信息信号中减去转换速率限制装置的输出的装置，以及用于响应于减法装置的输出降低控制装置的传送特性的装置，从而使控制装置 对跟踪误差信息信号不负责任。

公开(公告)号：US08741807B2

公开(公告)日：2014-06-03

申请号：US13402947

申请日：2012-02-23

申请人： Tadao Asami ,  Masashi Hikosaka ,  Masaki Mori ,  Satoru Maeda ,  Fumio Matsuda ,  Kazuki Saito

发明人： Tadao Asami ,  Masashi Hikosaka ,  Masaki Mori ,  Satoru Maeda ,  Fumio Matsuda ,  Kazuki Saito

IPC分类号： A01N25/32 ,  A01N31/02 ,  A01N33/04 ,  C07C211/14 ,  C07C215/14 ,  C07C217/04 ,  C07C217/42 ,  C07C223/02

CPC分类号： C07C225/16 ,  A01N37/20 ,  A01N37/36 ,  C07C225/06 ,  C07C225/14 ,  C07C233/36 ,  C07C233/40 ,  C07C233/78 ,  C07C235/10 ,  Y02P20/55

摘要： A compound useful as a plant activator for activating an endogenous defense system of a plant to control disease damage is provided. A compound represented by the formula: (R3)NH—(CH2)4—N(R1)—(CH2)3—NH(R2) (one of R1 and R2 represents a linear C6-18 alkanoyl group or alkenoyl group, the other represents hydrogen atom or a protective group of amino group; and R3 represents hydrogen atom or a protective group of amino group).

摘要翻译： 提供了可用作植物激活剂激活植物的内源性防御系统以控制疾病损害的化合物。 由式（R3）NH-（CH2）4-N（R1） - （CH2）3-NH（R2）表示的化合物（R1和R2之一表示直链C 18-18烷酰基或烯酰基， 另一个表示氢原子或氨基的保护基; R3表示氢原子或氨基的保护基）。

公开(公告)号：US08220028B2

公开(公告)日：2012-07-10

申请号：US12150080

申请日：2008-04-24

申请人： Norio Ohga ,  Satoru Maeda

发明人： Norio Ohga ,  Satoru Maeda

IPC分类号： H04N7/173

CPC分类号： H04N7/17345 ,  H04N5/4401 ,  H04N5/50 ,  H04N5/765 ,  H04N21/23116 ,  H04N21/2407 ,  H04N21/2625 ,  H04N21/4345 ,  H04N21/4524

摘要： Disclosed herein is a content transmission apparatus connected to a content reception apparatus at a remote place via a network, the content transmission apparatus including: a broadcast signal reception section configured to receive a broadcast content on one or more channels; a recording/reproducing section configured to compress and record data of at least 24 hours of broadcast content on each channel, and reproduce the recorded compressed data; a communication section configured to transmit the compressed data to the content reception apparatus via the network; and a delay control section configured to control the recording/reproducing section to control a delay time between a broadcasting time of the content and a time at which the compressed data is transmitted. The delay time is set in accordance with time difference information indicating a time difference between places where the content transmission apparatus and the content reception apparatus are placed.

摘要翻译： 这里公开了一种内容发送装置，其经由网络连接到远程地点的内容接收装置，所述内容发送装置包括：广播信号接收部，被配置为在一个或多个信道上接收广播内容; 记录/再现部分，被配置为在每个频道上压缩和记录至少24小时广播内容的数据，并再现所记录的压缩数据; 通信部，被配置为经由所述网络将所述压缩数据发送到所述内容接收装置; 以及延迟控制部分，被配置为控制记录/再现部分，以控制内容的广播时间与发送压缩数据的时间之间的延迟时间。 根据表示内容发送装置与内容接收装置的位置之间的时间差的时差信息来设定延迟时间。

公开(公告)号：US20100175030A1

公开(公告)日：2010-07-08

申请号：US12703244

申请日：2010-02-10

申请人： Katsutoshi Sakao ,  Nobutaka Tani ,  Satoru Maeda

发明人： Katsutoshi Sakao ,  Nobutaka Tani ,  Satoru Maeda

IPC分类号： G06F3/048

CPC分类号： H04N21/4622 ,  H04N5/4401 ,  H04N5/445 ,  H04N5/44543 ,  H04N5/50 ,  H04N7/17318 ,  H04N21/2543 ,  H04N21/4312 ,  H04N21/4314 ,  H04N21/4316 ,  H04N21/4331 ,  H04N21/44222 ,  H04N21/47805 ,  H04N21/4782 ,  H04N21/482 ,  H04N21/4821 ,  H04N21/6125 ,  H04N21/6547

摘要： The present invention relates to an information processing apparatus with improved operatability. With the information processing apparatus in which the user is capable of watching a television program and connecting to the Internet, the index panel 1 shows channel buttons 2 to be operated to select a desired program, a site button 71 to be operated to make an access to site A available on the Internet and a site button 72 to be operated to make an access to site B on the Internet. The present invention allows the user to watch a television program and can be applied to an information processing apparatus such as a personal computer, which can be connected to the Internet.

摘要翻译： 本发明涉及具有改进的可操作性的信息处理设备。 利用用户能够观看电视节目并连接到因特网的信息处理设备，索引面板1示出要被操作以选择所需节目的频道按钮2，要被操作以进行访问的场所按钮71 到因特网上可用的站点A和要操作的站点按钮72以访问因特网上的站点B. 本发明允许用户观看电视节目并且可以应用于可以连接到因特网的诸如个人计算机的信息处理装置。

公开(公告)号：US20070153647A1

公开(公告)日：2007-07-05

申请号：US11643305

申请日：2006-12-21

申请人： Satoru Maeda ,  Katsuo Iwata ,  Hideaki Okano

发明人： Satoru Maeda ,  Katsuo Iwata ,  Hideaki Okano

IPC分类号： G11B7/00

CPC分类号： G11B7/0956 ,  G11B7/1353

摘要： According to one embodiment, an optical pick up apparatus according to an embodiment of the invention has an object lens which captures a light beam reflected on a recording surface of an optical disc, a polarization control element which divides a light beam captured by the object lens into a predetermined number of beams, and diffracts each divided beam in a predetermined direction, a photodetector which detects a light beam divided and diffracted by the polarization control element for each divided component, and a signal processor which calculates a tilt component along the radial direction of am optical disc, in an output of the photodetector, as a difference between a signal component indicating a change in the distance from the object lens to an optical disc, and a signal component indicating a position in the radial direction of a string of signal components recorded in an optical disc.

摘要翻译： 根据一个实施例，根据本发明的实施例的光学拾取装置具有捕获在光盘的记录表面上反射的光束的物镜，偏光控制元件，其将由物镜捕获的光束 成为预定数量的光束，并且沿预定方向衍射每个划分的光束;检测由每个分割成分的偏振控制元件分割和衍射的光束的光电检测器;以及信号处理器，其计算沿着径向的倾斜分量 作为指示从物镜到光盘的距离的变化的信号分量与指示信号串的径向位置的信号分量之间的差异，在光检测器的输出中， 记录在光盘中的组件。

公开(公告)号：US20050210238A1

公开(公告)日：2005-09-22

申请号：US11038185

申请日：2005-01-21

申请人： Taro Takita ,  Satoru Maeda ,  Katsutoshi Sakao ,  Mariko Nakada

发明人： Taro Takita ,  Satoru Maeda ,  Katsutoshi Sakao ,  Mariko Nakada

IPC分类号： H04L12/18 ,  H04L12/22 ,  H04L29/06 ,  H04N5/38 ,  H04N7/173 ,  H04W4/06 ,  H04W12/00 ,  H04W16/24 ,  G06F11/30

CPC分类号： H04N21/43637 ,  H04L63/08 ,  H04L63/101 ,  H04N5/38 ,  H04N5/4401 ,  H04N21/4126 ,  H04N21/4622

摘要： An information transmitting/receiving system is disclosed which includes a base station apparatus and a monitor apparatus, the system being arranged to let the base station apparatus offer more content information to the monitor apparatus than before. On receiving a content transmission request, the base station apparatus performs an authenticating process using monitor apparatus registration information in order to send content information only to the registered monitor apparatus authorized to receive the content information. The monitor apparatus may register with a plurality of units of the base station apparatus. When the monitor apparatus selects any one of the multiple units of the base station apparatus to request transmission of content information therefrom, the selected base station unit transmits the requested content information to the requesting monitor apparatus.

摘要翻译： 公开了一种包括基站装置和监视装置的信息发送/接收系统，该系统被布置为使得基站装置比以前向监视装置提供更多的内容信息。 在接收到内容发送请求时，基站装置使用监视装置登记信息进行认证处理，以便只向被授权接收内容信息的登录监视装置发送内容信息。 监视器装置可以向基站装置的多个单元注册。 当监视器装置选择基站装置的多个单元中的任一个请求从其发送内容信息时，所选择的基站单元将请求的内容信息发送到请求监视器装置。

公开(公告)号：US20050143128A1

公开(公告)日：2005-06-30

申请号：US11006153

申请日：2004-12-07

申请人： Katsutoshi Sakao ,  Satoru Maeda ,  Manabu Onishi ,  Shinji Okazaki

发明人： Katsutoshi Sakao ,  Satoru Maeda ,  Manabu Onishi ,  Shinji Okazaki

IPC分类号： G06F13/38 ,  H04H1/00 ,  H04L12/00 ,  H04L12/28 ,  H04N7/173 ,  H04N21/418 ,  H04N21/426 ,  H04H7/00

CPC分类号： H04N21/6125 ,  H04N7/173 ,  H04N21/25816 ,  H04N21/4143 ,  H04N21/418 ,  H04N21/4381

摘要： The communication card has a communication circuit for receiving digital data that has been sent as a streaming broadcast through a network and a decoder for decoding the digital data received by the communication circuit to convert it into data having a format that can be reproduced in a streaming player that the personal computer has. The card also has a connector for connecting the card into a connector in a card slot of the personal computer. The card has an interface for interfacing the card and the personal computer to supply the digital data output by the decoder to the connector of the card. Thus, the personal computer reproduces information by the digital data sent as a streaming broadcast through the network.

摘要翻译： 通信卡具有用于接收已经通过网络发送为流式广播的数字数据的通信电路和用于对通信电路接收的数字数据进行解码的解码器，以将其转换成具有可以在流中再现的格式的数据 个人电脑的播放器。 该卡还具有用于将卡连接到个人计算机的卡槽中的连接器的连接器。 卡具有用于将卡和个人计算机连接的接口，以将由解码器输出的数字数据提供给卡的连接器。 因此，个人计算机通过通过网络作为流式广播发送的数字数据再现信息。

公开(公告)号：US4691340A

公开(公告)日：1987-09-01

申请号：US800822

申请日：1985-11-22

申请人： Satoru Maeda ,  Akihiko Tao

发明人： Satoru Maeda ,  Akihiko Tao

IPC分类号： H04M11/08

CPC分类号： H04M11/085

摘要： A user terminal for use in a Videotex system includes an image number memory for storing image number data identifying specific ones of the images. A keyboard is provided for entering at least an image selection command, and the user terminal is responsive thereto to display the image whose image number data is stored in the image number memory. The image number memory automatically stores the image number data of the image currently displayed, or the image number memory may be made to store the image number data of at least one selected image in response to a reserve and register command.

摘要翻译： 用于Videotex系统的用户终端包括用于存储识别特定图像的图像编号数据的图像编号存储器。 提供用于输入至少图像选择命令的键盘，并且用户终端响应于此，显示其图像号码数据被存储在图像号码存储器中的图像。 图像编号存储器自动存储当前显示的图像的图像编号数据，或者可以使图像编号存储器响应于保留和寄存器命令来存储至少一个选择的图像的图像编号数据。