公开(公告)号：US08855815B2

公开(公告)日：2014-10-07

申请号：US13453522

申请日：2012-04-23

Applicant: Kenji Mizutani

Inventor： Kenji Mizutani

IPC: G06F19/00 ,  G05B19/423

CPC classification number: G05B19/423

Abstract: A motion path search device which searches for a motion path of a movable part of a robot capable of being taught a motion by direct teaching in which the robot is directly moved by an operator includes: a first space identification unit which identifies a space swept through by the movable part of the robot in the direct teaching; a second space identification unit which identifies a space swept through by at least a portion of a body of the operator in the direct teaching; a space combining unit which calculates, as an accessible space, a union of the space identified by the first space identification unit and the space identified by the second space identification unit; and a path search unit which searches for a motion path of the movable part within the accessible space calculated by the space combining unit.

Abstract translation: 一种运动路径搜索装置，其搜索能够通过直接教导的机器人能够被操作人员直接移动的运动的可移动部分的运动路径，其包括：第一空间识别单元，其识别扫过的空间 由机器人的可移动部分进行直接教学; 第二空间识别单元，其识别直接教导中由操作者的身体的至少一部分扫过的空间; 空间组合单元，其计算由第一空间识别单元识别的空间的联合和由第二空间识别单元识别的空间作为可访问空间; 以及路径搜索单元，其搜索由所述空间组合单元计算的所述可访问空间内的所述可移动部分的运动路径。

公开(公告)号：US20130279918A1

公开(公告)日：2013-10-24

申请号：US13991970

申请日：2011-12-05

Applicant: Kenji Mizutani ,  Masahiro Sakauchi

Inventor： Kenji Mizutani ,  Masahiro Sakauchi

IPC: H04B10/27

CPC classification number: H04B10/27 ,  H04J14/0227 ,  H04J14/0278 ,  H04L12/12 ,  Y02D50/20 ,  Y02D50/40

Abstract: A node device and a power saving method in an optical communication network system that can achieve both of a reduction in startup period and a reduction in power consumption. A node device (110) includes: a plurality of optical transceivers (111) on which a plurality of standby modes can be selectively set, the standby modes including a first standby mode in which the startup period is shorter than an allowable interruption period in the optical communication system and a first amount of power is consumed during standby, and a second standby mode in which the startup period is longer than the allowable interruption period and a second amount of power that is smaller than the first amount of power is consumed during standby; and a power consumption control section (112) which, based on usage states of the plurality of optical transceivers and a predetermined number of optical transceivers that should stand by in the first standby mode, dynamically allocates the plurality of standby modes to the plurality of optical transceivers so that a total amount of power consumption will be smaller.

Abstract translation: 光通信网络系统中的节点装置和省电方法，其能够实现启动时间的减少和功耗的降低。 节点设备（110）包括：多个光收发器（111），其上可以选择地设置多个待机模式，所述待机模式包括第一待机模式，其中所述启动周期短于所述待机模式中的允许中断周期 在待机期间消耗光通信系统和第一功率量;以及第二待机模式，其中启动周期长于允许的中断周期，并且在待机期间消耗小于第一功率量的第二功率量 ; 以及功率消耗控制部（112），其基于所述多个光收发器的使用状态和在所述第一待机模式中应该待机的预定数量的光收发器，动态地将多个待机模式分配给所述多个光收发器 收发器使得总功耗将更小。

公开(公告)号：US08457168B2

公开(公告)日：2013-06-04

申请号：US12086287

申请日：2007-01-10

Applicant: Koji Kudo ,  Shinya Sudo ,  Kenji Sato ,  Kenji Mizutani

Inventor： Koji Kudo ,  Shinya Sudo ,  Kenji Sato ,  Kenji Mizutani

IPC: H01S5/00

CPC classification number: H01S5/026

Abstract: A semiconductor optical waveguide-A having an optical amplification function and a semiconductor optical waveguide-B having a light control function are integrated together on the same substrate. A facet of the semiconductor optical waveguide-A facing an isolation trench and a facet of the semiconductor optical waveguide-B facing the isolation trench are configured as a composite optical reflector/optical connector using an optical interference. The facet of the semiconductor optical waveguide-A achieves an optical reflectivity not higher than the reflectivity corresponding to a cleaved facet and not smaller than several percent, and an optical coupling coefficient of not lower than 50% between the semiconductor optical waveguide-A and the semiconductor optical waveguide-B.

Abstract translation: 具有光放大功能的半导体光波导A和具有光控功能的半导体光波导-B一起集成在同一基板上。 面向隔离沟槽的半导体光波导A的面和面向隔离沟槽的半导体光波导-B的面被配置为使用光学干涉的复合光反射器/光连接器。 半导体光波导A的小面实现不高于对应于切割面的反射率并且不小于几个百分比的光学反射率，并且半导体光波导A与第二半导体光波导A之间的光耦合系数不低于50％ 半导体光波导-B。

公开(公告)号：US08284807B2

公开(公告)日：2012-10-09

申请号：US12865779

申请日：2008-12-09

Applicant: Kenji Mizutani ,  Kenji Sato ,  Koji Kudo

Inventor： Kenji Mizutani ,  Kenji Sato ,  Koji Kudo

IPC: H01S3/10 ,  H01S3/13 ,  H01S3/00

CPC classification number: H01S5/141 ,  H01S5/0617 ,  H01S5/06255 ,  H01S5/06837 ,  H01S5/0687

Abstract: An object is to provide a wavelength-tunable laser apparatus that prevents a grid-hopping upon wavelength change, and a wavelength changing method thereof. A wavelength-tunable laser apparatus 101 according to the present invention includes a semiconductor optical amplifier 102 and a periodic wavelength-selection filter 106. Further, the wavelength-tunable laser apparatus 101 includes a phase control unit 111 that concurrently controls a current applied to the semiconductor optical amplifier 102 and a phase tuning of a wavelength-tunable laser under an open-loop control. Thus, dark-tuning can be achieved.

Abstract translation: 本发明的目的是提供一种波长可调谐激光装置及其波长改变方法，该激光装置防止波长变化时的跳网。 根据本发明的波长可调激光装置101包括半导体光放大器102和周期性波长选择滤波器106.此外，波长可调激光装置101包括相位控制单元111，其同时控制施加到 半导体光放大器102和在开环控制下的波长可调激光器的相位调谐。 因此，可以实现暗调。

公开(公告)号：US07991024B2

公开(公告)日：2011-08-02

申请号：US11994085

申请日：2006-06-29

Applicant: Kenji Sato ,  Jan De Merli ,  Kenji Mizutani ,  Koji Kudo ,  Shinya Sudo ,  Mads. L Nielsen

Inventor： Kenji Sato ,  Jan De Merli ,  Kenji Mizutani ,  Koji Kudo ,  Shinya Sudo ,  Mads. L Nielsen

IPC: H01S3/13 ,  H01S3/08

CPC classification number: H01S5/141

Abstract: In an external cavity wavelength tunable laser device including an external cavity (20) which includes a semiconductor optical amplifier (2) and performs laser oscillation operation by feeding back external light, a wavelength tunable mirror (7) having at least a single-peak reflection spectrum characteristic within a laser wavelength tuning range is placed on one end of the external cavity (20), and a Fabry-Perot mode interval determined by the effective length of the external cavity (20) is not less than 1/10 times and not more than 10 times the reflection band full width half maximum of the wavelength tunable mirror (7).

Abstract translation: 在包括具有半导体光放大器（2）的外部空腔（20）并通过反馈外部光进行激光振荡操作的外腔波长可调激光器件中，具有至少单峰反射的波长可调谐镜（7） 在激光波长调谐范围内的光谱特性被放置在外腔（20）的一端，并且由外腔（20）的有效长度确定的法布里 - 珀罗模式间隔不小于1/10倍 波长可调镜（7）的反射带全宽度的最大半数的10倍以上。

公开(公告)号：US07904449B2

公开(公告)日：2011-03-08

申请号：US12095167

申请日：2007-10-30

Applicant: Kazutoyo Takata ,  Takashi Tsuzuki ,  Kenji Mizutani

Inventor： Kazutoyo Takata ,  Takashi Tsuzuki ,  Kenji Mizutani

IPC: G06F7/00 ,  G06F17/30

CPC classification number: H04N7/17336 ,  G06F17/30817 ,  H04N21/4828 ,  H04N21/8405

Abstract: A content searching apparatus facilitating a search of a content, which a user desires, even where relativity between a content and a keyword change, wherein the content searching apparatus includes: a content table storing unit storing content tables; an input unit obtaining a keyword, which has been selected as a selected keyword; a relevant keyword creating unit (i) calculating a relevance degree, for each of keywords, to the selected keyword, based on a target content table, (ii) selecting a keyword having a predetermined relevance degree out of each of the keywords, and (iii) creating a relevant keyword out of the corresponding keywords; and a variance calculating unit calculating a variance value of selected keywords including the keyword, when the user is confused. Further, the content searching apparatus includes a content table selecting unit changing the above mentioned target content table to another content table, when the variance value is larger than a threshold value.

Abstract translation: 一种内容搜索装置，其中内容搜索装置包括：存储内容表的内容表存储单元，即使内容与关键字之间的相对性改变，便于搜索用户期望的内容; 获取被选择为所选择的关键字的关键字的输入单元; 相关关键词创建单元（i）基于目标内容表计算针对所选择的关键字的每个关键字的相关程度，（ii）从每个关键字中选择具有预定相关程度的关键字，以及（ iii）从相应的关键字中创建相关关键字; 以及方差计算单元，当所述用户混淆时，计算包括所述关键词的所选择的关键字的方差值。 此外，当方差值大于阈值时，内容搜索装置包括将上述目标内容表改变为另一内容表的内容表选择单元。

公开(公告)号：US20110022634A1

公开(公告)日：2011-01-27

申请号：US12935296

申请日：2009-11-05

Applicant: Kazutoyo Takata ,  Kenji Mizutani

Inventor： Kazutoyo Takata ,  Kenji Mizutani

IPC: G06F17/30

CPC classification number: G06F17/30247 ,  G06T3/4007

Abstract: Provided is an image search device which relatively easily searches a large amount of stored images for images that a user wishes to use for interpolation, and which includes: an interpolation range computing unit (103) which computes, as an interpolation range, a range of an area including a first photographing location where a first interpolation target image was taken and a second photographing location where a second interpolation target image was taken; an interpolation image candidate obtaining unit (104) which obtains, as candidate images, images whose photographing location are included in the interpolation range from the plurality of images; and an interpolation image selecting unit (106) which selects, from the candidate images, an image having a greater subject distance, which is a distance between a subject and an imaging device when the image was taken, as a traveling speed between the first photographing location and the second photographing location increases.

Abstract translation: 提供了一种图像搜索装置，其相对容易地搜索用于希望用于插值的图像的大量存储图像，并且包括：内插范围计算单元（103），其计算作为插值范围的范围 包括拍摄第一插值目标图像的第一拍摄位置和拍摄第二插值目标图像的第二拍摄位置的区域; 一种内插图像候补获得单元，其从所述多个图像中获取作为候选图像的摄影位置被包括在所述插值范围内的图像; 以及内插图像选择单元，其从所述候选图像中选择具有较大被摄体距离的图像，所述对象距离是拍摄图像时的被摄体与成像装置之间的距离，作为所述第一拍摄之间的行进速度 位置和第二拍摄位置增加。

公开(公告)号：US20110002349A1

公开(公告)日：2011-01-06

申请号：US12865779

申请日：2008-12-09

Applicant: Kenji Mizutani ,  Kenji Sato ,  Koji Kudo

Inventor： Kenji Mizutani ,  Kenji Sato ,  Koji Kudo

IPC: H01S5/06 ,  H01S5/14

CPC classification number: H01S5/141 ,  H01S5/0617 ,  H01S5/06255 ,  H01S5/06837 ,  H01S5/0687

Abstract: An object is to provide a wavelength-tunable laser apparatus that prevents a grid-hopping upon wavelength change, and a wavelength changing method thereof. A wavelength-tunable laser apparatus 101 according to the present invention includes a semiconductor optical amplifier 102 and a periodic wavelength-selection filter 106. Further, the wavelength-tunable laser apparatus 101 includes a phase control unit 111 that concurrently controls a current applied to the semiconductor optical amplifier 102 and a phase tuning of a wavelength-tunable laser under an open-loop control. Thus, dark-tuning can be achieved.

Abstract translation: 本发明的目的是提供一种波长可调谐激光装置及其波长改变方法，该激光装置防止波长变化时的跳网。 根据本发明的波长可调激光装置101包括半导体光放大器102和周期性波长选择滤波器106.此外，波长可调激光装置101包括相位控制单元111，其同时控制施加到 半导体光放大器102和在开环控制下的波长可调激光器的相位调谐。 因此，可以实现暗调。

公开(公告)号：US20100217528A1

公开(公告)日：2010-08-26

申请号：US12671144

申请日：2009-07-08

Applicant: Taichi Sato ,  Kenji Mizutani

Inventor： Taichi Sato ,  Kenji Mizutani

IPC: G06F7/00

CPC classification number: B25J9/1666

Abstract: A path risk evaluating apparatus includes a secondary collision likelihood direction evaluating unit (108) and a secondary collision likelihood distance evaluating unit (109) which evaluate, based on the relationship between a movement path and a position of objects in an environment where a mobile device moves, the likelihood of the mobile device having primary collision with a first object and the first object further having secondary collision with a second object; a risky attribute combination evaluating unit (112) which determines degree of damage when secondary collision occurs, by referring to information, indicating degree of damage when objects in the environment collide, held by a risky attribute combination information holding unit (111); and a path evaluating unit (113) which evaluates the risk of the moving path for the mobile device, based on the evaluation result from the secondary collision likelihood direction evaluating unit (108) and the secondary collision likelihood distance evaluating unit (109) and the degree of damage determined by the risky attribute combination evaluating unit (112).

Abstract translation: 路径风险评估装置包括二次碰撞似然方向评估单元（108）和二次碰撞似然距离评价单元（109），其基于移动路径与移动设备的环境中的物体的位置之间的关系， 移动，移动设备与第一对象发生主要冲突的可能性，并且第一对象进一步与第二对象具有二次碰撞; 通过参照由风险属性组合信息保存单元（111）持有的指示环境中的对象相撞的损害程度的信息，确定二次碰撞发生时的损伤程度的风险属性组合评估单元（112）。 以及基于来自二次碰撞似然方向评估单元（108）和二次碰撞似然距离评估单元（109）的评估结果以及第二碰撞似然度距离评估单元（109）的评估结果来评估移动设备的移动路径的风险的路径评估单元（113） 由风险属性组合评估单元（112）确定的损伤程度。

公开(公告)号：US07735105B2

公开(公告)日：2010-06-08

申请号：US10415176

申请日：2002-08-22

Applicant: Yumiko Kato ,  Takahiro Kamai ,  Kenji Mizutani ,  Hideyuki Yoshida

Inventor： Yumiko Kato ,  Takahiro Kamai ,  Kenji Mizutani ,  Hideyuki Yoshida

IPC: G06F3/00

CPC classification number: H04N21/42203 ,  G06Q30/02 ,  G06Q99/00 ,  G10L15/26 ,  H04H20/28 ,  H04H60/37 ,  H04H60/48 ,  H04H60/63 ,  H04H60/64 ,  H04H2201/30 ,  H04H2201/37 ,  H04N7/17318 ,  H04N21/4307 ,  H04N21/4722 ,  H04N21/84 ,  H04N21/858 ,  H04N21/8586

Abstract: To purchase an item which is viewed on a broadcast. The items may include furniture, jewelry, clothing and automobiles. The viewer is able to utter a phrase in reference to a viewed item that they wish to view or purchase. The system then searches the broadcast information and displays all relevant items. The viewer is then able to select and purchase a particular item.

Abstract translation: 购买在广播中观看的项目。 这些物品可能包括家具，首饰，服装和汽车。 观众能够提及他们希望查看或购买的被查看项目的短语。 然后系统搜索广播信息并显示所有相关项目。 然后，观众能够选择并购买特定物品。