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141 CN110806639A
一种微型投影扫描系统
Under Examination
Title (English): A miniature projection scanning system
Publication/Patent Number: CN110806639A Publication Date: 2020-02-18 Application Number: 201911318528.2 Filing Date: 2019-12-19 Inventor: 徐丹慧   方国明   黄印   向思桦   Assignee: 成都英飞睿技术有限公司   IPC: G02B26/08 Abstract: 本申请公开了一种微型投影扫描系统,包括:第一MEMS扫描镜、中继反射装置、准直透镜、第二MEMS扫描镜和投影屏幕;其中,激光光束经第一MEMS扫描镜在水平方向进行第一扫描角度谐振运动一维扫描,再经中继反射装置多次反射,扩展和折叠第一MEMS扫描镜的水平方向视场,再经准直透镜对多次反射后的激光光束进行准直,以及对像素点的尺寸进行控制,最后经第二MEMS扫描镜将激光光束在垂直方向进行第二扫描角度准静态运动另一维扫描照射到投影屏幕上;第一扫描角度的最大值小于第二扫描角度的最大值。上述微型投影扫描系统结构简单,不仅可以实现二维图像扫描,还可以实现高分辨率和大视场角显示。
142 US2020319449A1
DRIVING CIRCUIT AND DRIVING METHOD THEREOF, AND ELECTROWETTING PANEL AND DRIVING METHOD THEREOF
Publication/Patent Number: US2020319449A1 Publication Date: 2020-10-08 Application Number: 16/458,054 Filing Date: 2019-06-29 Inventor: Lin, Baiquan   Xi, Kerui   Qin, Feng   Zhou, Yian   Kong, Xiangjian   Liu, Jine   Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.   IPC: G02B26/00 Abstract: A driving circuit includes a first signal-input terminal, a second signal-input terminal, a third signal-input terminal, a fourth signal-input terminal, a signal-output terminal, and a voltage-boosting unit including a first module, a second module, a third module, and a first capacitor. The first module transmits the signal at the third signal-input terminal to a first terminal of the first capacitor during a first time period, and blocks signal transmission during a second time period. During the first time period and the second time period, the second module transmits the signal at the third signal-input terminal to the third module to allow the signal at the fourth signal-input terminal to be transmitted to a second terminal of the first capacitor. During a third time period, the second module and the third module both block signal transmission. The first terminal of the first capacitor is connected to the signal-output terminal for output.
143 CN110928218A
一种数字振镜控制方法、装置及系统
Under Examination
Publication/Patent Number: CN110928218A Publication Date: 2020-03-27 Application Number: 201911131321.4 Filing Date: 2019-11-19 Inventor: 杨文杰   唐建辉   何国洪   Assignee: 佛山市联动科技股份有限公司   IPC: G05B19/042 Abstract: 本发明涉及激光加工处理技术领域,具体涉及一种数字振镜控制方法、装置及系统,通过实时获取电机在当前控制周期的运行数据,并将所述运行数据和目标位置数据进行对比,得出当前控制周期的数据偏差;进而根据所述当前控制周期的数据偏差生成当前控制周期的控制输出量,并触发包含所述控制输出量的控制指令以控制所述电机运行;接着判断所述电机的运行数据和所述目标位置数据是否一致,当结果不一致时,重复执行以上步骤,直至所述电机的运行数据和所述目标位置数据达到一致,本发明对激光振镜扫描控制具有更好的抗干扰能力。
144 CN111508383A
成像方法、成像装置及计算机可读存储介质
Under Examination
Publication/Patent Number: CN111508383A Publication Date: 2020-08-07 Application Number: 202010330077.0 Filing Date: 2020-04-23 Inventor: 刘德安   Assignee: 歌尔光学科技有限公司   IPC: G09F9/33 Abstract: 本发明公开一种成像方法、成像装置及计算机可读存储介质,应用于成像装置,成像装置包括第一光源本体、第二光源本体、扫描镜以及成像面板;第一光源本体在成像面板上形成第一子图像,第二光源本体在成像面板上形成第二子图像,所述成像方法包括:获取待显示图像;确定扫描镜的摆动信息;根据摆动信息确定第一光源本体的第一输出频率以及第二光源本体的第二输出频率;根据摆动信息控制扫描镜摆动,同时根据第一输出频率控制第一光源本体以及根据第二输出频率控制第二光源本体输出光束信息。本发明提供一种成像方法、成像装置及计算机可读存储介质,旨在解决现有技术中Micro LED组装的成像装置的显示分辨率受限于MIcro LED的组装密度,显示分辨率较低的问题。
145 CN210982909U
一种应用于激光打印机的双光束激光扫描系统
Valid
Publication/Patent Number: CN210982909U Publication Date: 2020-07-10 Application Number: 201922215818.6 Filing Date: 2019-12-12 Inventor: 张俊辉   焦庆玲   王培芳   杜维佳   杨云涛   旷立明   王龙飞   王荣星   吴杰影   Assignee: 天津光电通信技术有限公司   IPC: G02B26/10 Abstract: 本实用新型涉及一种应用于激光打印机的双光束激光扫描系统,依次包括双光束激光光源,多面旋转棱镜,Fθ系统和光路转折系统,双光束激光光源发射两束激光光束,经过多面旋转棱镜将两束激光光束折射到光路转折系统,两束激光光束到达光路转折系统前会经过Fθ系统。本实用新型的有益效果是:采用双光束激光扫描的方式,激光光源同时发射两束激光,两路激光光束同时扫描,达到提高激光打印机打印速度的目的,与现有扫描技术相比,速度能够提升两倍,有效提高了激光打印机的速度。
146 JP2020013073A
光照射装置
Publication/Patent Number: JP2020013073A Publication Date: 2020-01-23 Application Number: 2018137077 Filing Date: 2018-07-20 Inventor: Assignee: IPC: G02B26/10 Abstract: 【課題】 光偏向ミラーの回動角度を確実に検出することができ、低コストの光照射装置を提供する。【解決手段】 映像信号処理部110は、検査信号を出力し、検査信号処理部114は、発光指示信号を出力する。検査光源駆動部112は、発光信号を出力し、検査光源13は、検査光を射出する。検査光源13から射出されて第1支持部22の反射位置RPで反射された検査光が、受光器14で受光されると、受光器14は、受光信号を出力する。検査信号処理部114は、受光信号に基づいて、光偏向ミラー20のX軸線周りの角度を検出し、さらに、光偏向ミラー20のX軸線周りのずれ量を算出する。検査信号処理部114は、補正信号を出力する。光偏向器駆動部106は、補正信号に基づいて、光偏向ミラー20のX軸線周りの回動角度を補正する。【選択図】 図4
147 WO2020006011A1
HYBRID OPTICAL FIBER MEMS SCANNER
Publication/Patent Number: WO2020006011A1 Publication Date: 2020-01-02 Application Number: 2019039088 Filing Date: 2019-06-25 Inventor: Melville, Charles David   Behrman, Keith Lane   Hickman, Steven Alexander-boyd   Trutoiu, Laura Cristina   Assignee: MAGIC LEAP, INC.   IPC: G02B26/10 Abstract: An optical scanner includes a cantilevered optical member protruding from the base portion and a transducer assembly comprising one or more piezoelectric actuators coupled to the cantilevered optical member and configured to induce motion of the cantilevered optical member in a scan pattern. In some cases, the cantilevered optical member has a tapered shape with a distal end narrower than a proximal end adjacent to the base portion of the optical scanner. In some cases, the cantilevered optical member has an elongated width along a first plane and includes a plurality of waveguides. The transducer assembly is configured to induce motion of the cantilevered optical member in a second plane orthogonal to the first plane.
148 US2020271938A1
SUPER-RESOLUTION SCANNING DISPLAY FOR NEAR-EYE DISPLAYS
Publication/Patent Number: US2020271938A1 Publication Date: 2020-08-27 Application Number: 16/872,370 Filing Date: 2020-05-12 Inventor: Taylor, Byron   Trail, Nicholas Daniel   Assignee: Facebook Technologies, LLC   IPC: G02B27/01 Abstract: A super-resolution scanning display. The scanning display includes a light source, a conditioning assembly, and a scanning mirror assembly. The light source is configured to emit source light from a plurality of columns of emitters formed along a first dimension, including at least a first column of emitters emitting in a first band of light and a second column of emitters emitting in a second band of light which are offset along the first dimension by a fraction of an emitter width and offset along a second dimension—that is orthogonal to the first dimension—by greater than the emitter width. The conditioning assembly receives and conditions the source light. The scanning mirror assembly scans the conditioned light along the second dimension to generate a portion of an image at a first location with a resolution that is more than a first threshold number of emitters in a unit angle in the first dimension.
149 US10754148B2
Optical scanning apparatus and image forming apparatus
Publication/Patent Number: US10754148B2 Publication Date: 2020-08-25 Application Number: 16/540,361 Filing Date: 2019-08-14 Inventor: Teramura, Masayasu   Miyajima, Yu   Assignee: CANON KABUSHIKI KAISHA   IPC: G02B26/10 Abstract: An optical scanning apparatus includes first and second deflecting units, and first and second imaging optical systems to guide first and second light fluxes deflected by the first and second deflecting units to first and second scanned surfaces. The first and second imaging optical systems include first and second imaging elements having the largest refractive power in a sub-scanning section. A distance on an optical path between the first deflecting unit and the first imaging element is shorter than that between the second deflecting unit and the second imaging element. The optical scanning apparatus satisfies: - d 2 N 2 ⁢ ϕ 21 ϕ 2 < - d 1 N 1 ⁢ ϕ 11 ϕ 1 , where N1, d1, ϕ1, and ϕ11 are a refractive index, a thickness on an optical axis, a refractive power in a sub-scanning section, and a refractive power in the sub-scanning section of an incident surface, of the first imaging element, and N2, d2, ϕ2, and ϕ21 are equivalents of the second imaging element.
150 CN111751375A
单点探测器扫描成像装置
Publication/Patent Number: CN111751375A Publication Date: 2020-10-09 Application Number: 202010706379.3 Filing Date: 2020-07-21 Inventor: 蔡夫鸿   臧会双   Assignee: 海南和光仪器科技有限公司   IPC: G01N21/84 Abstract: 本发明的目的是针对现有技术的不足,提出一种单点探测器扫描成像装置,通过使用扫描振镜、成像镜头、光学小孔、光学探测器以及双功能信号数据卡组成一个扫描成像系统,通过扫描振镜实现入射光线的角度变化,进而使用光学小孔实现光学滤波,只检测通过系统光轴的光线,基于双功能信号数据卡采集不同振镜角度下的光电信号,实现二维光学图像的采集,在该系统的基础上,通过更换扫描振镜的镜面镀膜材料与不同工作波长的光电探测器,可以实现从紫外光到远红外光的二维光学图像的扫描成像,在主动调制光源的照明下,可以使用锁相滤波技术,进一步提高成像系统的信噪比。
151 CN111751923A
一种光纤及扫描光成像显示装置
Publication/Patent Number: CN111751923A Publication Date: 2020-10-09 Application Number: 201910252263.4 Filing Date: 2019-03-29 Inventor: 不公告发明人   Assignee: 成都理想境界科技有限公司   IPC: G02B6/02 Abstract: 本发明公开了一种光纤,以光纤出射光束的一端为前端,光纤的前端面具有出射角调节结构,出射角调节结构使得光纤前端出射的光锥的轴线与光纤位于最前端的部分的轴线之间具有夹角α,0°<α<90°。还公开了采用该光纤的扫描光成像显示装置。本发明的有益效果是:当多个光纤进行拼接投影显示时,光锥的偏转角度允许相邻光纤之间的间距减小,从而提高设备的空间利用率;使得在同一个致动器上设置更多的光纤,进而使得在单一致动器驱动下可以获得面积更大的出射图像。
152 CN111830702A
一种扫描致动器、光纤扫描器及驱动方法
Public
Publication/Patent Number: CN111830702A Publication Date: 2020-10-27 Application Number: 201910319121.5 Filing Date: 2019-04-19 Inventor: 不公告发明人   Assignee: 成都理想境界科技有限公司   IPC: G02B26/10 Abstract: 本发明公开了一种扫描致动器、光纤扫描器及驱动方法,所述扫描致动器为四分压电管,扫描致动器包括第一致动部和第二致动部,第一致动部本体的至少一个固有频率相关参数与第二致动部本体的固有频率相关参数不同;其中,所述固有频率相关参数包括所述第一致动部本体/所述第二致动部本体的值和/或长度值,I为所述第一致动部本体/所述第二致动部本体被垂直于所述四分压电管的轴线的平面截得的截面的惯性矩,A是所述截面的面积,所述第一致动部本体/第二致动部本体的固有频率与值成正比,与所述长度值成反比。上述方案用于降低慢轴的固有频率或增大快轴的固有频率,使得快轴/慢轴的固有频率接近对应的驱动频率,增大快轴/慢轴的振幅。
153 US10705329B2
Electro-mechanical designs for MEMS scanning mirrors
Publication/Patent Number: US10705329B2 Publication Date: 2020-07-07 Application Number: 15/911,489 Filing Date: 2018-03-05 Inventor: Gamet, Julien   Fotinos, Alexandre   Abele, Nicholas   Assignee: North Inc.   IPC: G02B26/10 Abstract: Electro-mechanical designs for MEMS scanning mirrors are described. In various embodiments, a driving coil may be situated on a reflective portion of a MEMS mirror. In some embodiments, a sensing coil may be situated partially or entirely on an outer frame portion of the MEMS mirror. Other embodiments are described and claimed.
154 US2020026065A1
Angular Velocity Correction of a Scanning Light Beam by Optical Methods
Publication/Patent Number: US2020026065A1 Publication Date: 2020-01-23 Application Number: 16/042,898 Filing Date: 2018-07-23 Inventor: Viswanathan, P. Selvan   Saracco, Matthieu   Johnson, Roger F.   Blanch, Ian   Assignee: Microvision, Inc.   IPC: G02B26/08 Abstract: An angular velocity correcting optical device receives a sinusoidally swept input light beam and outputs a non-sinusoidally swept output beam. The output beam may have a constant angular velocity. The output beam may have a constant pitch on a target surface for a constant periodicity pulsed light beam. Optical surfaces may be freeform surfaces specified by polynomials.
155 US2020049827A1
OPTICAL ELEMENT FOR AN EMITTING UNIT OF AN OPTICAL ACQUISITION DEVICE, EMITTING UNIT, OPTICAL ACQUISITION DEVICE, MOTOR VEHICLE, AND METHOD
Publication/Patent Number: US2020049827A1 Publication Date: 2020-02-13 Application Number: 16/489,102 Filing Date: 2018-01-04 Inventor: Nguyen, Ho Hoai Duc   Horvath, Peter   Assignee: Valeo Schalter und Sensoren GmbH   IPC: G01S17/93 Abstract: The invention relates to an optical element (13) for an emitting unit (8) of an optical acquisition device (3), wherein the optical element (13) comprises a first side (13a) having a reflective first free-form surface (F1) and a second side (13b), which is opposite to the first side (13a), having a refractive second free-form surface (F2). Furthermore, the optical element (13) is designed to transmit a beam bundle (10) incident on the second side (13b) on the optical element (13) at least in large part through the second free-form surface (F2) up to the first free-form surface (F1), to reflect the beam bundle (10) transmitted through the second free-form surface (F2) up to the first free-form surface (F1) at the first free-form surface (F1), and to emit the beam bundle (10) reflected from the first free-form surface (F1) via the second free-form surface (F2). In this case, the first free-form surface (F1) is designed to increase a divergence of the beam bundle (10) incident on the first free-form surface (F1), and the second free-form surface (F2) is designed, upon emission of the beam bundle (10) reflected from the first free-form surface (F1), to reduce the divergence increased during the reflection.
156 CN110687679A
一种扫描驱动器及光纤扫描驱动器
Public
Title (English): A scanning driver and an optical fiber scanning drive
Publication/Patent Number: CN110687679A Publication Date: 2020-01-14 Application Number: 201811379277.4 Filing Date: 2018-11-19 Inventor: 宋海涛   周旭东   姚长呈   Assignee: 成都理想境界科技有限公司   IPC: G02B26/10 Abstract: 本发明公开了一种扫描驱动器,包括一体成型并沿从后向前的方向依次连接的第一致动部和第二致动部;所述第一致动部和第二致动部均包括具有压电效应的压电材料本体,第一致动部和第二致动部的内部均设置有内电极孔,第一致动部和第二致动部的外部均设置有外电极,第一致动部和第二致动部的内电极孔内均设置有与其外部的外电极相配合的内电极。本发明中一体成型结构避免了后续扫描器组装、对准、调试等一系列工艺,降低复杂程度、提升制作效率,因此采用一体成型可大大降低制作过程中的难度并且提升器件可靠性,同时可以防拆卸、防解体,增大整体可靠性和耐用性。
157 CN210181298U
一种光纤扫描器及投影显示系统
Valid
Title (English): Optical fiber scanner and projection display system
Publication/Patent Number: CN210181298U Publication Date: 2020-03-24 Application Number: 201920809934.8 Filing Date: 2019-05-31 Inventor: 不公告发明人   Assignee: 成都理想境界科技有限公司   IPC: G03B21/14 Abstract: 本实用新型公开了一种光纤扫描器,包括致动器和光纤,致动器包括固定端和自由端,光纤固定在致动器上且一端超出致动器的自由端形成光纤悬臂;在致动器自由端末端,与光纤悬臂根部接触的部位,设置有应力缓冲部,应力缓冲部内填充有若干微珠,微珠之间采用聚合物互相粘结。相应的,本实用新型还公开了一种采用上述光纤扫描器的投影显示系统,由于在致动器自由端末端与光纤悬臂根部接触的部位设置的应力缓冲部能有效降低光纤悬臂的断裂风险,采用较低成本实现了光纤扫描器寿命的有效提高。
158 CN110927982A
一种激光匀化装置及方法
Publication/Patent Number: CN110927982A Publication Date: 2020-03-27 Application Number: 201911140066.X Filing Date: 2019-11-20 Inventor: 刘伟   贺龙飞   丁新生   Assignee: 深圳市安星数字系统有限公司   IPC: G02B27/09 Abstract: 本发明提供一种激光匀化装置及方法,该激光匀化装置包括包括激光发射器、压电摆镜、驱动电路及激光镜头,压电摆镜与驱动电路连接,激光镜头设置在反射光路上,压电摆镜表面粘贴一层全反射膜;激光发射器发出的激光束照射到全反射膜上,压电摆镜根据驱动电路的电压和频率高速摆动,使激光束发生高速偏转后再进入激光镜头进行光束缩放,从而使激光束以高速抖动的方式均匀照射到照射目标上。本发明通过调节驱动电路的电压和频率,实现压电摆镜摆动角度和摆动频率的调节,使激光束能够在照射目标上实现指定的幅度进行扫描,从而实现宽幅照射的效果,匹配16:9宽屏幕,充分利用激光光源,避免资源的浪费。
159 CN209894964U
一种旋转棱镜和多线激光雷达测距系统
Valid
Title (English): A rotating prism and a multi-line lidar ranging system
Publication/Patent Number: CN209894964U Publication Date: 2020-01-03 Application Number: 201920278242.5 Filing Date: 2019-03-05 Inventor: 胡小波   刘颖   Assignee: 深圳市镭神智能系统有限公司   IPC: G01S7/481 Abstract: 本实用新型实施例提供一种旋转棱镜和多线激光雷达测距系统,旋转棱镜包括顶面、底面和位于所述顶面与所述底面之间的侧面,所述侧面为反射面,所有的所述反射面围绕所述旋转棱镜的旋转轴旋转;所有的所述反射面中,存在至少两个所述反射面与所述旋转轴之间的夹角不相等;每一所述反射面包括发射区域和接收区域,所述发射区域反射的激光光束的传播方向与所述接收区域反射的激光光束的传播方向相反。本实用新型实施例提供一种旋转棱镜和多线激光雷达测距系统,以实现降低多线激光雷达测距系统的制作成本和制作难度,减小多线激光雷达测距系统的体积,并在减小多线激光雷达测距系统体积的基础上实现旋转棱镜的多个反射面的力矩平衡。
160 CN210886018U
光学扫描机构及聚合酶链式反应仪
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Publication/Patent Number: CN210886018U Publication Date: 2020-06-30 Application Number: 201921818145.7 Filing Date: 2019-10-25 Inventor: 黄挺   孙兆龙   张晓婷   Assignee: 西安佰奥莱博生物科技有限公司   IPC: C12M1/00 Abstract: 本实用新型提供一种光学扫描机构及聚合酶链式反应仪,属于仪器制造技术领域。光学扫描机构用于扫描待测管列上的反应管,包括驱动组件设置在底板上,驱动组件与支架传动连接,用于驱动支架沿直线运动,底板上形成有两列管孔通道,两列管孔通道的延伸方向分别与光学扫描模块的直线运动方向平行,光学扫描模块滑动设置于支架上。光学扫描模块在支架上具有分别与两列管孔通道对应的第一位置和第二位置,两列管孔通道的延伸方向的两端分别设有第一导向面、第二导向面,光学扫描模块上设置有第一滚轮和第二滚轮,第一滚轮在第一导向面上沿第一方向滚动,第二滚轮在第二导向面上沿第二方向滚动,以使光学扫描模块在第一位置和第二位置之间切换。