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1. 发明申请

US20170261611A1 RANGE FINDING APPARATUS, MOVEABLE APPARATUS, ROBOT, THREE DIMENSIONAL MEASUREMENT APPARATUS, METHOD OF MEASURING THREE DIMENSIONAL INFORMATION, AND STORAGE MEDIUM 审中-公开
公开(公告)号：US20170261611A1
公开(公告)日：2017-09-14
申请号：US15447973
申请日：2017-03-02
申请人： Shu TAKAHASHI , Yasuhiro NIHEI , Masahiro ITOH , Takeshi OGAWA , Hiroaki TANAKA , Yoichi ICHIKAWA , Koji MASUDA
发明人： Shu TAKAHASHI , Yasuhiro NIHEI , Masahiro ITOH , Takeshi OGAWA , Hiroaki TANAKA , Yoichi ICHIKAWA , Koji MASUDA
IPC分类号： G01S17/10 , G01S17/00 , G01S7/484
CPC分类号： G01S17/10 , G01S7/4915 , G01S17/36 , G01S17/89
摘要： A range finding apparatus includes a light emission unit including a light source and a light source driver, a light detection unit, and circuitry. The light source driver supplies a plurality of drive pulses having different pulse width at different time periods. The light detection unit receives the light emitted from the light emission unit and then reflected from an object. The circuitry calculates a range to the object based on a time difference between one time point when a pulse light is emitted from the light source and another time point when light reflected from the object is received by the light detection unit. One of the drive pulses set with a smaller pulse width is set with a sine wave pattern, and another one of the drive pulses set with a greater pulse width is set with a rectangular wave pattern.

2. 发明申请

US20170199271A1 DISTANCE MEASUREMENT DEVICE, MOVEABLE DEVICE, AND DISTANCE MEASURING METHOD 审中-公开
公开(公告)号：US20170199271A1
公开(公告)日：2017-07-13
申请号：US15403594
申请日：2017-01-11
申请人： Yasuhiro NIHEI , Koji MASUDA , Takeshi OGAWA , Hiroaki TANAKA , Shu TAKAHASHI , Masahiro ITOH , Yoichi ICHIKAWA
发明人： Yasuhiro NIHEI , Koji MASUDA , Takeshi OGAWA , Hiroaki TANAKA , Shu TAKAHASHI , Masahiro ITOH , Yoichi ICHIKAWA
IPC分类号： G01S7/48 , B60Q11/00 , G01S17/93 , H05B37/02 , G01S17/10
CPC分类号： B60Q11/005 , G01S7/4815 , G01S7/484 , G01S7/497 , G01S17/10 , G01S17/89 , G01S17/936 , H05B33/0806 , H05B37/0227
摘要： A distance measurement device includes a projection optical system, a light-receiving system to receive light projected from projection optical system and reflected by an object; and a correction system to correct a difference in timing of light emission between the plurality of light sources. The projection optical system includes a plurality of light sources and a plurality of drive circuits to drive the plurality of light sources.

3. 发明申请

US20160370460A1 SENSOR, SENSOR SYSTEM AND METHOD OF FINDING RANGE 审中-公开
标题翻译：传感器，传感器系统和发现范围的方法
公开(公告)号：US20160370460A1
公开(公告)日：2016-12-22
申请号：US15180560
申请日：2016-06-13
申请人： Shu TAKAHASHI , Koji MASUDA , Masahiro ITOH , Yasuhiro NIHEI , Takeshi UEDA , Takeshi OGAWA , Hiroaki TANAKA , Shiori OHSUGI
发明人： Shu TAKAHASHI , Koji MASUDA , Masahiro ITOH , Yasuhiro NIHEI , Takeshi UEDA , Takeshi OGAWA , Hiroaki TANAKA , Shiori OHSUGI
IPC分类号： G01S7/483 , G01S17/88
CPC分类号： G01S7/483 , G01S17/10 , G01S17/88 , G01S17/89 , G01S17/936
摘要： A sensor includes a light source to emit a pulse light, a light receiver to receive light, emitted from the light source and reflected from an object, a range information acquisition unit to calculate information of a range to the object based on light emission timing at the light source and light reception timing at the light receiver and a speed of the pulse light emitted from the light source, and a pulse controller to control a pulse pattern of the pulse light emitted from the light source based on the range information calculated by the range information acquisition unit.
摘要翻译：传感器包括发射脉冲光的光源，从光源发射并从物体反射的光接收器的光接收器，范围信息获取单元，基于来自物体的发光定时计算对象的范围的信息在光接收器处的光源和光接收定时以及从光源发射的脉冲光的速度，以及脉冲控制器，用于基于由光源计算的范围信息来控制从光源发射的脉冲光的脉冲图案范围信息采集单元。

4. 发明申请

US20170212224A1 RANGE-FINDING DEVICE 审中-公开
公开(公告)号：US20170212224A1
公开(公告)日：2017-07-27
申请号：US15408936
申请日：2017-01-18
申请人： Masahiro ITOH , Shu TAKAHASHI , Yasuhiro NIHEI , Takeshi OGAWA , Hiroaki TANAKA , Koji MASUDA
发明人： Masahiro ITOH , Shu TAKAHASHI , Yasuhiro NIHEI , Takeshi OGAWA , Hiroaki TANAKA , Koji MASUDA
IPC分类号： G01S7/486 , G01S17/89 , G01S17/10
摘要： A range-finding device including a light-emitting device, an imaging unit, a calculator, and a controller. The image unit receives pulsed light reflected from an object within the space for a plurality of time periods in a time-division manner, electrically converts the pulsed light into an electrical signal, and accumulates electric charge of the electrical signal for each of the plurality of time periods. The calculator calculates a time difference between emission of the pulsed light and reception of the pulsed light reflected from the object based on the electric charge accumulated for each of the plurality of time periods and determine a distance to the object based on the time difference. The controller controls the timing of reception of the pulsed light for each of the plurality of time periods at the imaging unit according to an intensity of the pulsed light reflected from the object.

5. 发明申请

US20160170564A1 INPUT OPERATION DETECTION DEVICE, PROJECTION APPARATUS, INTERACTIVE WHITEBOARD, DIGITAL SIGNAGE, AND PROJECTION SYSTEM 审中-公开
标题翻译：输入操作检测装置，投影装置，交互式白板，数字信号和投影系统
公开(公告)号：US20160170564A1
公开(公告)日：2016-06-16
申请号：US14940484
申请日：2015-11-13
申请人： Koji MASUDA , Yasuhiro NIHEI , Takeshi UEDA , Masahiro ITOH , Shu TAKAHASHI , Takeshi OGAWA , Hiroaki TANAKA , Shiori OHTA
发明人： Koji MASUDA , Yasuhiro NIHEI , Takeshi UEDA , Masahiro ITOH , Shu TAKAHASHI , Takeshi OGAWA , Hiroaki TANAKA , Shiori OHTA
IPC分类号： G06F3/042 , G06T7/00
CPC分类号： G06F3/0425 , G06F3/005 , G06F3/0304 , G06T2207/10028 , H04N9/3179 , H04N9/3194 , H04N13/239 , H04N13/254 , H04N13/271 , H04N2013/0081
摘要： An input operation detection device to detect input operation input to an image includes a first and second imaging parts and a processor to detect input operation based on data acquired by the first and second imaging parts. The image is divided into first and second images. The optical axes of imaging optical systems of the first and second imaging parts intersect with the image at points on the same side as installation position sides of the corresponding imaging parts with respect to the center of the corresponding images.
摘要翻译：用于检测对图像的输入操作输入的输入操作检测装置包括第一和第二成像部件和处理器，用于基于由第一和第二成像部件获取的数据来检测输入操作。图像被分为第一和第二图像。第一和第二成像部件的成像光学系统的光轴与相应成像部件的相对于相应图像的中心的安装位置侧在同一侧的点处与图像相交。

6. 发明申请

US20150092994A1 ELIGIBLE OPERATOR DETERMINATION DEVICE AND ELIGIBLE OPERATOR DETERMINATION METHOD 审中-公开
标题翻译：合格的操作者确定设备和合格的操作者确定方法
公开(公告)号：US20150092994A1
公开(公告)日：2015-04-02
申请号：US14489634
申请日：2014-09-18
申请人： Koji MASUDA , Toshiaki TOKITA , Masahiro ITOH , Hiroaki TANAKA , Yasuhiro NIHEI , Takeshi UEDA , Kenichi TAKANASHI
发明人： Koji MASUDA , Toshiaki TOKITA , Masahiro ITOH , Hiroaki TANAKA , Yasuhiro NIHEI , Takeshi UEDA , Kenichi TAKANASHI
IPC分类号： G06K9/00 , G06T7/20
CPC分类号： G06K9/00838 , B60R25/25
摘要： An eligible operator determination device includes a three-dimensional light measurement unit configured to measure three-dimensional coordinates of respective parts in a visual field including a posture of a monitor target operating a device; a motion recognition unit configured to recognize a predetermined ineligible motion from a measurement result obtained by the three-dimensional light measurement unit; and an ineligibility coping unit configured to execute a predetermined process according to the predetermined ineligible motion, when the predetermined ineligible motion is recognized by the motion recognition unit.
摘要翻译：符合条件的操作者确定装置包括：三维光测量单元，被配置为测量包括操作设备的监视目标的姿态的视野中的各个部分的三维坐标; 运动识别单元，被配置为从由三维光测量单元获得的测量结果识别预定的不合格运动; 以及不合格应答单元，被配置为当所述运动识别单元识别出所述预定不合格运动时，根据所述预定的不合格运动来执行预定处理。

7. 发明申请

US20140268180A1 POSITIONAL CHANGE MEASUREMENT DEVICE, POSITIONAL CHANGE MEASUREMENT METHOD, AND IMAGE FORMING APPARATUS 有权
标题翻译：位置变化测量装置，位置变化测量方法和图像形成装置
公开(公告)号：US20140268180A1
公开(公告)日：2014-09-18
申请号：US14208621
申请日：2014-03-13
申请人： Atsushi TAKAURA , Koji MASUDA , Yasuhiro NIHEI , Takeshi UEDA , Koichi KUDO , Taku AMADA , Kenichi SHIMIZU , Asato TAMURA
发明人： Atsushi TAKAURA , Koji MASUDA , Yasuhiro NIHEI , Takeshi UEDA , Koichi KUDO , Taku AMADA , Kenichi SHIMIZU , Asato TAMURA
IPC分类号： G01B11/14
CPC分类号： G01B11/043 , G03G15/00 , G03G15/5054 , G03G2215/00616
摘要： An objective is to achieve a positional change measurement device which measures positional change of a dynamic measured surface by using speckle patterns while easily reducing influence of fluctuations in a measurement environment temperature. Provided is a positional change measurement device including: a light source; an illuminating optical system configured to guide light from the light source to a measured surface; an imaging optical system; an image pickup device configured to acquire a speckle pattern by receiving reflection light from the measured surface via the imaging optical system; and detected-length compensation means for compensating for fluctuations in a detected length caused by temperature fluctuations. Positional change of the measured surface is measured based on a result of cross-correlation computation performed on multiple speckle patterns acquired at predetermined time intervals.
摘要翻译：目的是实现利用散斑图案来测量动态测量表面的位置变化同时容易地减少测量环境温度波动的影响的位置变化测量装置。提供一种位置变化测量装置，包括：光源; 照明光学系统，被配置为将来自所述光源的光引导到测量的表面; 成像光学系统; 被配置为通过经由所述成像光学系统从测量的表面接收反射光来获取散斑图案的图像拾取装置; 以及用于补偿由温度波动引起的检测长度的波动的检测长度补偿装置。基于在以预定时间间隔获取的多个散斑图案上执行的互相关计算的结果来测量测量表面的位置变化。

8. 发明申请

US20140044460A1 MOVING-MEMBER DETECTING DEVICE AND IMAGE FORMING APPARATUS 有权
标题翻译：移动构件检测装置和图像形成装置
公开(公告)号：US20140044460A1
公开(公告)日：2014-02-13
申请号：US13957926
申请日：2013-08-02
申请人： Koichi KUDO , Koji MASUDA , Hiroyoshi FUNATO , Takeshi UEDA , Yasuhiro NIHEI , Atsushi TAKAURA
发明人： Koichi KUDO , Koji MASUDA , Hiroyoshi FUNATO , Takeshi UEDA , Yasuhiro NIHEI , Atsushi TAKAURA
IPC分类号： G03G15/01
CPC分类号： G03G15/5054 , G03G2215/0129 , G03G2215/0141
摘要： A moving-member detecting device includes an image acquiring unit and a speed calculating unit. The image acquiring unit includes a light source configured to emit a light beam to a detecting position of a moving member; an area sensor configured to acquire image data of a one- or two-dimensional image; and an area-sensor control unit configured to acquire the image data. The image acquiring unit is configured to acquire pieces of image data of the moving member at first and second positions, respectively, in a moving direction of the moving member so as to acquire the piece of position image data for the second position when the moving member is at the second position after acquiring the piece of image data for the first position. The speed calculating unit is configured to calculate a moving speed of the moving member from the pieces of image data.
摘要翻译：移动构件检测装置包括图像获取单元和速度计算单元。图像获取单元包括被配置为将光束发射到移动构件的检测位置的光源; 区域传感器，被配置为获取一维或二维图像的图像数据; 以及被配置为获取图像数据的区域传感器控制单元。图像获取单元被配置为在移动部件的移动方向上分别在第一位置和第二位置获取移动部件的图像数据，以便当移动部件移动时获取第二位置的位置图像数据在获取第一位置的图像数据之后处于第二位置。速度计算单元被配置为从多条图像数据计算移动构件的移动速度。

9. 发明申请

US20080218813A1 LIGHT SCANNING APPARATUS, LIGHT SCANNING METHOD, IMAGE FORMING APPARATUS, AND COLOR IMAGE FORMING APPARATUS 有权
标题翻译：光扫描装置，光扫描方法，图像形成装置和彩色图像形成装置
公开(公告)号：US20080218813A1
公开(公告)日：2008-09-11
申请号：US11763062
申请日：2007-06-14
申请人： Jun TANABE , Masaaki ISHIDA , Yasuhiro NIHEI , Atsufumi OMORI
发明人： Jun TANABE , Masaaki ISHIDA , Yasuhiro NIHEI , Atsufumi OMORI
IPC分类号： H04N1/04
CPC分类号： H04N1/1912 , H04N1/0473 , H04N1/1917 , H04N2201/0082 , H04N2201/04787
摘要： A light scanning apparatus is provided that has plural light sources which scan plural light beams in a main scanning direction. The light scanning apparatus comprises a light source control unit that controls the plural light sources. Where an array of N (N≧2) light sources aligned in a sub scanning direction and capable of scanning different positions in the sub scanning direction is called a virtual light source array, and where L (L≧2) virtual light source arrays aligned in the sub scanning direction are formed, the light source control unit causes M ((N−1)≧M≧1) light sources out of the N light sources of each of the L virtual light source arrays to emit light to form a pixel and thereby to form a total of L pixels aligned in the sub scanning direction by giving the same data to the M light sources of each of the L virtual light source arrays.
摘要翻译：提供一种具有沿主扫描方向扫描多个光束的多个光源的光扫描装置。光扫描装置包括控制多个光源的光源控制单元。在副扫描方向上排列并能够在副扫描方向上扫描不同位置的N（N> = 2）个光源的阵列被称为虚拟光源阵列，并且其中L（L> = 2）虚拟光源形成在副扫描方向上排列的阵列，光源控制单元使得每个L虚拟光源阵列的N个光源中的M（（N-1）> = M> = 1）个光源发光以形成像素，从而通过向L个虚拟光源阵列中的每一个的M个光源提供相同的数据，形成沿副扫描方向对齐的L个像素的总和。

10. 发明申请

US20110170152A1 MEASURING METHOD, OPTICAL SCANNING DEVICE, AND IMAGE FORMING APPARATUS 有权
标题翻译：测量方法，光学扫描装置和图像形成装置
公开(公告)号：US20110170152A1
公开(公告)日：2011-07-14
申请号：US12978833
申请日：2010-12-27
申请人： Yasuhiro NIHEI
发明人： Yasuhiro NIHEI
IPC分类号： H04N1/46 , H04N1/04
CPC分类号： H04N1/113 , H04N1/0283 , H04N2201/04748 , H04N2201/04767
摘要： A method for measuring a deviation in timing of start of writing in scanning lines is implemented by an optical scanning device that scans a surface to be scanned with light beams from light-emitting elements having first and second light-emitting elements which are arranged so as to be displaced from each other in a direction corresponding to a direction of the scanning lines. The method includes: detecting timing at which light from the first light-emitting element is received by a light receiving element, as a first time, the light receiving element outputting a synchronization detecting signal before start of writing; detecting timing at which light from the second light-emitting element is received by the light receiving element, as a second time; and obtaining the deviation in timing for the second light-emitting element with respect to the first light-emitting element based on a difference between the first and second time.
摘要翻译：用于测量扫描线中写入开始时间偏差的方法由光学扫描装置实现，该扫描装置用具有第一和第二发光元件的发光元件的光束扫描待扫描的表面，在与扫描线的方向对应的方向上彼此偏移。该方法包括：第一次，检测在开始写入之前，光接收元件输出同步检测信号的光接收元件接收来自第一发光元件的光的定时; 第二次检测来自第二发光元件的光被光接收元件接收的定时; 并且基于第一和第二时间之间的差异获得第二发光元件相对于第一发光元件的定时偏差。

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