公开(公告)号：US09057348B2

公开(公告)日：2015-06-16

申请号：US13256550

申请日：2009-03-17

申请人： Takashi Usui ,  Yoshinori Takeuchi ,  Takeyuki Yabuuchi

发明人： Takashi Usui ,  Yoshinori Takeuchi ,  Takeyuki Yabuuchi

IPC分类号： F02M69/46 ,  F02M55/04 ,  F02M59/44 ,  F04B53/00

CPC分类号： F02M55/04 ,  F02M59/44 ,  F02M2200/315 ,  F04B53/003

摘要： A pulsation damper mounted in a fuel chamber (23) of a high-pressure fuel pump (20) is provided with a diaphragm (11) having a flat section (11a) displaced when fuel pressure is applied thereto, a pump cover (10) for supporting the diaphragm (11), and a gas chamber (12) formed by the diaphragm (11) and the pump cover (10). Pressure pulsation occurring in the fuel chamber (23) is suppressed by displacement of the flat section (11a). The diaphragm (11) is formed in a closed-bottomed tubular shape with the flat section (11a) located at the bottom and has a projection (11b) provided to the periphery of the flat section (11a) and projecting to the side opposite to the pump cover (10). A tubular peripheral section extending from the outer periphery of the projection (11b) so as to be vertical to the flat section (11a) is fitted over the pump cover (10). The externally fitting portion of the tubular peripheral section is a joint section (11c) joined to the pump cover (10).

摘要翻译： 安装在高压燃料泵（20）的燃料室（23）中的脉动阻尼器设置有具有在施加燃料压力时偏移的平坦部分（11a）的隔膜（11），泵罩（10） 用于支撑隔膜（11）和由隔膜（11）和泵罩（10）形成的气室（12）。 通过平坦部分（11a）的位移来抑制在燃料室（23）中产生的压力脉动。 隔膜（11）形成为底部呈筒状的平坦部（11a）位于底部，并且具有设置在平坦部（11a）的周边的突起（11b），并突出于与 泵盖（10）。 从突出部（11b）的外周向与该平坦部（11a）垂直的管状周边部装配在泵罩（10）上。 管状周边部分的外部装配部分是与泵盖（10）接合的接合部分（11c）。

公开(公告)号：US08593926B2

公开(公告)日：2013-11-26

申请号：US13353474

申请日：2012-01-19

申请人： Kazuo Watabe ,  Kazuto Kuroda ,  Takashi Usui ,  Hideaki Okano

发明人： Kazuo Watabe ,  Kazuto Kuroda ,  Takashi Usui ,  Hideaki Okano

IPC分类号： G11B7/00

CPC分类号： G11B7/083 ,  G03H1/2286 ,  G03H2222/34 ,  G11B7/0065 ,  G11B7/09 ,  G11B7/1381 ,  G11B2007/0009

摘要： An information storage device includes an information recording medium, at least a single light source that emits laser light, an illuminating unit that illuminates substantially the same position of the information recording medium with two light rays generated from the laser light, in different directions, a light detecting unit that detects reflection light of the two light rays reflected from the information recording medium and outputs a detection signal, an operation unit that calculates position error information of the information recording medium based on the detection signal; and, a driving device that changes the position of the information recording medium based on the position error information.

摘要翻译： 信息存储装置包括：信息记录介质，至少一个发射激光的光源;照明单元，其以不同方向从激光产生的两束光照射基本相同位置的信息记录介质; 光检测单元，其检测从信息记录介质反射的两个光线的反射光并输出检测信号;运算单元，其基于检测信号计算信息记录介质的位置误差信息; 以及基于位置误差信息改变信息记录介质的位置的驱动装置。

公开(公告)号：US20120207632A1

公开(公告)日：2012-08-16

申请号：US13503187

申请日：2010-10-12

申请人： Takashi Usui ,  Takeshi Kitamura ,  Hirokazu Yokoyama ,  Yoshihiro Tanaka

发明人： Takashi Usui ,  Takeshi Kitamura ,  Hirokazu Yokoyama ,  Yoshihiro Tanaka

IPC分类号： F04B23/00

CPC分类号： F04B39/1073 ,  F02M59/366 ,  F02M59/462 ,  F02M59/464 ,  F02M59/466 ,  F02M63/005 ,  F02M63/0265 ,  F04B1/0465 ,  F04B7/0076 ,  F04B53/1037 ,  F16K15/16 ,  F16K15/185

摘要： In a fuel pump that includes a pump housing (10) that has fuel passages (11a, 11b), a plunger (17) that is movably housed in the pump housing (10), a fuel pressurizing chamber (15) that is formed in the pump housing (10) and draws in fuel via one of the fuel passages (11a) that is on the intake side of the fuel pressurizing chamber (15), pressurizes the fuel that has been drawn in, and discharges the pressurized fuel via the other fuel passage (11b) that is on the discharge side of the fuel pressure chamber (15), in response to movement of the plunger (17), and valve elements (12, 14, 16) that are arranged in the fuel passages (11a, 11b) near the fuel pressurizing chamber (15), each of the valve elements (12, 14, 16) has a reed valve body (41, 42, 43; 74, 75, 76) arranged in the fuel passage (11a) on the intake side of the fuel pressurizing chamber (15) or the fuel passage (11b) on the discharge side of the fuel pressurizing chamber (15); and an operating member (21) that applies operating force in at least one of a valve opening direction or a valve closing direction to the reed valve body (41, 42, 43; 74, 75, 76) is provided in the pump housing (10).

摘要翻译： 在包括具有燃料通路（11a，11b）的泵壳体（10）的燃料泵，可移动地容纳在所述泵壳体（10）中的柱塞（17）的燃料加压室（15）中形成的燃料加压室 所述泵壳体（10）通过所述燃料加压室（15）的进气侧的燃料通路（11a）中的一个吸入燃料，对被吸入的燃料加压，并且经由所述燃料加压室 响应于柱塞（17）的移动而位于燃料压力室（15）的排出侧的其它燃料通道（11b）和布置在燃料通道（12）中的阀元件（12,14,16） 11a，11b），每个阀元件（12,14,16）具有布置在燃料通道（11a）中的筘阀体（41,42,43; 74,75,76） ）在燃料加压室（15）的进气侧或燃料加压室（15）的排出侧的燃料通路（11b）上。 并且在所述泵壳体（41,42,43,74,77,76）中设置有向所述簧片阀体（41,42,43; 74,75,76）的阀打开方向或阀关闭方向中的至少一个施加作用力的操作构件（21） 10）。

公开(公告)号：US20120140606A1

公开(公告)日：2012-06-07

申请号：US13353474

申请日：2012-01-19

申请人： Kazuo Watabe ,  Kazuto Kuroda ,  Takashi Usui ,  Hideaki Okano

发明人： Kazuo Watabe ,  Kazuto Kuroda ,  Takashi Usui ,  Hideaki Okano

IPC分类号： G11B7/0065

CPC分类号： G11B7/083 ,  G03H1/2286 ,  G03H2222/34 ,  G11B7/0065 ,  G11B7/09 ,  G11B7/1381 ,  G11B2007/0009

摘要： An information storage device includes an information recording medium, at least a single light source that emits laser light, an illuminating unit that illuminates substantially the same position of the information recording medium with two light rays generated from the laser light, in different directions, a light detecting unit that detects reflection light of the two light rays reflected from the information recording medium and outputs a detection signal, an operation unit that calculates position error information of the information recording medium based on the detection signal; and, a driving device that changes the position of the information recording medium based on the position error information.

摘要翻译： 信息存储装置包括：信息记录介质，至少一个发射激光的光源;照明单元，其以不同方向从激光产生的两束光照射基本相同位置的信息记录介质; 光检测单元，其检测从信息记录介质反射的两个光线的反射光并输出检测信号;运算单元，其基于检测信号计算信息记录介质的位置误差信息; 以及基于位置误差信息改变信息记录介质的位置的驱动装置。

公开(公告)号：US20120051201A1

公开(公告)日：2012-03-01

申请号：US13071592

申请日：2011-03-25

申请人： Kazuo Watabe ,  Akihito Ogawa ,  Hideaki Okano ,  Takashi Usui

发明人： Kazuo Watabe ,  Akihito Ogawa ,  Hideaki Okano ,  Takashi Usui

IPC分类号： G11B27/22

CPC分类号： G11B7/00781 ,  G11B7/0065 ,  G11B7/083

摘要： According to one embodiment, a data reproducing apparatus includes a data recording medium, light source unit, light application unit, photodetector unit and control unit. An address mark string including address marks is formed on the data recording medium. The address marks are spaced from each other by a distance depending on address data. The light application unit is configured to split the light beam into a first branch light beam and a second branch light beam and apply the first and second branch light beams to the address mark string at different angles. The photodetector unit is configured to detect first reflected light beams and second reflected light beams from the address mark string to generate image data. The first and second reflected light beams result from the first and second branch light beams, respectively. The control unit is configured to reproduce address data based on the image data.

摘要翻译： 根据一个实施例，数据再现装置包括数据记录介质，光源单元，光应用单元，光电检测器单元和控制单元。 包括地址标记的地址标记串形成在数据记录介质上。 地址标记根据地址数据彼此间隔一定距离。 光施加单元被配置为将光束分成第一分支光束和第二分支光束，并且以不同的角度将第一和第二分支光束施加到地址标记串。 光检测器单元被配置为从地址标记串检测第一反射光束和第二反射光束以产生图像数据。 第一和第二反射光束分别由第一和第二分支光束产生。 控制单元被配置为基于图像数据再现地址数据。

公开(公告)号：US08090050B2

公开(公告)日：2012-01-03

申请号：US12426750

申请日：2009-04-20

申请人： Mitsuhiro Suzuki ,  Chihiro Fujita ,  Takashi Usui

发明人： Mitsuhiro Suzuki ,  Chihiro Fujita ,  Takashi Usui

IPC分类号： H04K1/02 ,  H04L25/03 ,  H04L25/49

CPC分类号： H04L27/2605

摘要： Multi-carrier transmission is performed without inserting a repetitive signal into guard interval periods. A transmitter provides guard interval periods by using a null signal to save transmission power and prevent the deterioration of the SN ratio. Delayed waves at the head of each received symbol cause high-frequency waves to occur and carriers to interfere with one another. Accordingly, a receiver adds a component following each received symbol to a delayed-wave component at the head of the received symbol. As a result, the delayed-wave component at the head of the received symbol and the added component become continuous in wave form and subcarriers do not interfere with each other.

摘要翻译： 执行多载波传输而不将重复信号插入保护间隔周期。 发射机通过使用空信号来节省传输功率并防止SN比的恶化来提供保护间隔周期。 每个接收到的符号的头部的延迟波导致高频波发生，并且载波彼此干扰。 因此，接收机将接收到的符号之后的分量添加到接收符号的头部的延迟波分量。 结果，接收符号的头部的延迟波分量和相加分量在波形上变得连续，并且子载波不彼此干扰。

公开(公告)号：US20090207888A1

公开(公告)日：2009-08-20

申请号：US12305143

申请日：2007-06-13

申请人： Hiroyuki Yamasuge ,  Takashi Usui

发明人： Hiroyuki Yamasuge ,  Takashi Usui

IPC分类号： H04B1/707 ,  H04J11/00 ,  H04L27/28

CPC分类号： H04L27/2602 ,  H04L5/0007 ,  H04L5/0062 ,  H04L25/03828 ,  H04L27/2626 ,  H04L27/2647 ,  H04W74/08 ,  H04W84/12

摘要： It is desired to suitably carry out transmission processing and reception processing carried out when transmitting a multicarrier signal where specific subcarriers are omitted. Therefore, the present invention carries out transmission avoidance processing operable when transmitting a multicarrier signal to replace signals corresponding to subcarriers, in a plurality of subcarriers, at frequency positions where transmission is avoided with a null signal. Subsequently, an inverse Fourier transform is carried out on the output of the transmission avoidance processing, the transmission power of the multicarrier signal that has been transformed is amplified in accordance with the number of subcarriers replaced with the null signal and the multicarrier signal is transmitted. When this multicarrier signal is received, subcarriers where transmission was avoided are estimated, and when it is estimated in the estimation that subcarriers where transmission was avoided are present, despreading and demodulation are carried out without using the subcarriers where transmission was avoided.

摘要翻译： 期望在发送特定子载波被省略的多载波信号时进行发送处理和接收处理。 因此，本发明可以在发送多载波信号时，在多个子载波中，在用空信号避免发送的频率位置处发送对应于副载波的信号，进行可发送回避处理。 接着，对发送回避处理的输出执行逆傅立叶变换，根据被空值信号代替的副载波的数量，发送已变换的多载波信号的发送功率，并发送多载波信号。 当接收到该多载波信号时，估计避免传输的子载波，并且当在估计中估计出存在避免传输的子载波时，进行解扩和解调，而不使用避免传输的副载波。

公开(公告)号：US20080144453A1

公开(公告)日：2008-06-19

申请号：US11809164

申请日：2007-05-31

申请人： Takashi Usui ,  Kazuto Kuroda ,  Masashi Ueno

发明人： Takashi Usui ,  Kazuto Kuroda ,  Masashi Ueno

IPC分类号： G11B7/00

CPC分类号： G11B7/1263 ,  G11B7/00456

摘要： According to one embodiment, in a data write operation, the average value of the emission power detected by a front monitor is obtained via a low-pass filter and a sample hold circuit. In the write operation, erase power controlled by an erase APC is obtained via a sample hold circuit. While an LD is emitting light with the erase power, an erase current is determined from the output voltage of the erase APC. On the basis of the average power, the erase power, the erase current, and a waveform of the recording pulse, a current-to-emission-power characteristic of the LD is estimated. Furthermore, on the basis of the current-to-emission-power characteristic, the peak power in the write operation of the LD are controlled.

摘要翻译： 根据一个实施例，在数据写入操作中，通过低通滤波器和采样保持电路获得由前监视器检测的发射功率的平均值。 在写操作中，通过采样保持电路获得由擦除APC控制的擦除功率。 当LD以擦除功率发光时，从擦除APC的输出电压确定擦除电流。 基于平均功率，擦除功率，擦除电流和记录脉冲的波形，估计LD的电流 - 发射功率特性。 此外，基于电流 - 发射功率特性，控制LD的写入动作中的峰值功率。

公开(公告)号：US20060204257A1

公开(公告)日：2006-09-14

申请号：US11372933

申请日：2006-03-09

申请人： Hiroshi Kawano ,  Shinji Imagawa ,  Katsuhiro Nagayama ,  Takashi Usui

发明人： Hiroshi Kawano ,  Shinji Imagawa ,  Katsuhiro Nagayama ,  Takashi Usui

IPC分类号： G03G15/08

CPC分类号： G03G15/553 ,  G03G15/556

摘要： In one embodiment, a pixel count portion that accumulates pixel count values for each pixel obtained by multiplying the input signal levels of a multilevel image by weighting coefficients, a toner consumption calculating portion that calculates toner consumption of each color from the pixel count sum value, an average toner consumption calculating portion that calculates average toner consumption per page based on the total amount of toner consumption and total number of pages printed subsequent to shipment, and a remaining toner calculating portion that calculates the amount of remaining toner from the total toner consumption based on the sum total of divided regions since the most recent time that a toner cartridge was exchanged, are provided, and a control portion executes a toner saving mode when the amount of remaining toner calculated by the remaining toner calculating portion reaches not more than a predetermined value set in advance.

摘要翻译： 在一个实施例中，通过对通过加权系数乘以多级图像的输入信号电平获得的每个像素累积像素计数值的像素计数部分，从像素计数和值计算每种颜色的调色剂消耗量的调色剂消耗计算部分， 平均调色剂消耗量计算部分，其基于调色剂消耗总量和出货后印出的总页面计算每页的平均调色剂消耗量;以及剩余调色剂计算部分，其基于总调色剂消耗量计算剩余调色剂量 提供了最近一次更换调色剂盒的分割区域的总和，并且当由剩余调色剂计算部分计算的剩余调色剂的量达到不超过预定值时，控制部分执行调色剂节省模式 价值预先设定。

公开(公告)号：US20060172713A1

公开(公告)日：2006-08-03

申请号：US10548382

申请日：2004-06-07

申请人： Mitsuhiro Suzuki ,  Chihiro Fujita ,  Takashi Usui

发明人： Mitsuhiro Suzuki ,  Chihiro Fujita ,  Takashi Usui

IPC分类号： H04B1/04 ,  H04M1/00 ,  H04B1/02

CPC分类号： H04L27/2605

摘要： Multi-carrier transmission is performed without inserting a repetitive signal into guard interval periods. A transmitter provides guard interval periods by using a null signal to save transmission power and prevent the deterioration of the SN ratio. Delayed waves at the head of each received symbol cause high-frequency waves to occur and carriers to interfere with one another. Accordingly, a receiver adds a component following each received symbol to a delayed-wave component at the head of the received symbol. As a result, the delayed-wave component at the head of the received symbol and the added component become continuous in wave form and subcarriers do not interfere with each other.

摘要翻译： 执行多载波传输而不将重复信号插入保护间隔周期。 发射机通过使用空信号来节省传输功率并防止SN比的恶化来提供保护间隔周期。 每个接收到的符号的头部的延迟波导致高频波发生，并且载波彼此干扰。 因此，接收机将接收到的符号之后的分量添加到接收符号的头部的延迟波分量。 结果，接收符号的头部的延迟波分量和相加分量在波形上变得连续，并且子载波不彼此干扰。