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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1 CN110686712A
一种反射式图像光电编码器
Under Examination
Title (English): A reflective image photoelectric encode
Publication/Patent Number: CN110686712A Publication Date: 2020-01-14 Application Number: 201911153221.1 Filing Date: 2019-11-22 Inventor: 韩庆阳   陈赟   张晰   高胜英   Assignee: 中国科学院长春光学精密机械与物理研究所   IPC: G01D5/347 Abstract: 一种反射式图像光电编码器涉及编码器技术领域,解决了现有安装复杂和体积大的问题,编码器包括反射式码盘和测量探头,反射式码盘包括制作基底和依次间隔设置在制作基底上表面的增反膜和第一增透膜,第一增透膜连接与其相邻的增反膜;测量探头包括壳体、光源系统、探测器、电源电路、驱动电路、微处理器和通信电路,电源电路供电,驱动电路驱动探测器和微处理器,光源系统包括光源、光学透镜和光纤,光源发出的光经过光学透镜得到平行光,平行光经过光纤传输到编码环上,经编码环反射的光被探测器接收,探测器探测得到探测信号,微处理器采集并处理探测信号得到角度值,角度值通过通信电路传输到外部。本发明精度高、体积小和易于安装调试等优点。
2 CN211147696U
适用于电梯的编码器
Valid
Publication/Patent Number: CN211147696U Publication Date: 2020-07-31 Application Number: 201922451299.3 Filing Date: 2019-12-31 Inventor: 郑大宇   吕游   Assignee: 长春市倍信光电自控仪器有限公司   IPC: G01D5/347 Abstract: 本实用新型公开了适用于电梯的编码器,包括主体、与主体连接的弹簧片、扣装并固定在主体上的壳体、安装在壳体上面的油封、安装在壳体侧面的出线套、位于壳体内的码盘、狭缝、发光管座、发光管及接收电路板;还包括空心轴,空心轴从主体的中心孔穿过,并穿过安装在主体上的上部轴承、下部轴承与主体连接;码盘设置在空心轴上,狭缝粘接在发光管座上面,码盘设置在接收电路板与狭缝之间,发光管座与接收电路板固定在主体上面,发光管发出的光线穿过狭缝的窗口、码盘的码道,被接收电路板上的光电池接收。该编码器选用键槽轴,可以直接与用户轴连接,减少了连接件所占用的高度;并增加了外接屏蔽线,编码器的接地在空间上不受限制,更灵活。
3 US202011712A1
ENCODER APPARATUS
Publication/Patent Number: US202011712A1 Publication Date: 2020-01-09 Application Number: 20/181,649 Filing Date: 2018-03-06 Inventor: Mckendrick, Alexander David   Assignee: Renishaw PLC   IPC: G01D5/347 Abstract: A shadow-cast encoder apparatus includes a scale and a readhead. The readhead includes at least one electromagnetic radiation source for illuminating the scale in order to produce a shadow-cast fringe pattern at a detector configured to detect the shadow-cast fringe pattern. The encoder apparatus can be configured so as to suppress the total harmonic distortion of the fringe pattern, e.g. such that the total harmonic distortion of the fringe pattern is not more than 6%.
4 CN211696443U
一种绝对式编码测角光照系统及其角度编码器
Valid
Publication/Patent Number: CN211696443U Publication Date: 2020-10-16 Application Number: 202020602501.8 Filing Date: 2020-04-21 Inventor: 沈伯忠   Assignee: 苏州市永诚光电科技有限公司   IPC: G01D5/347 Abstract: 本实用新型提供了一种绝对式编码测角光照系统,包括照明部件、光学度盘和光敏部件;还包括光路折转部件,所述照明部件发出的入射光束经所述光路折转部件至少2次反射后出射,出射光束与所述入射光束始终保持平行并且方向相反;所述出射光束经过光学度盘并将度盘上的刻画以投影的方式成像到所述光敏部件;能够保持光照方向稳定性且利于结构小型化的灵活设计。本实用新型还提供一种角度编码器特别是绝对式测角编码器,体积薄且能在较宽温度范围内可靠工作。
5 US2020209018A1
CODE DISK, OPTICAL DETECTOR, OPTICAL ABSOLUTE ROTARY ENCODER AND ENCODED-VALUE-OUTPUTTING METHOD WITH ERROR DETECTION AND CORRECTION
Publication/Patent Number: US2020209018A1 Publication Date: 2020-07-02 Application Number: 16/432,383 Filing Date: 2019-06-05 Inventor: Chou, Ming-chieh   Wang, Kuo-chih   Lee, Chi-hung   Chen, Yi-cheng   Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE   IPC: G01D5/347 Abstract: A code disk is adapted to an optical absolute rotary encoder. The code disk is divided into a plurality of columns, with the plurality of columns disposed in a circumferential direction around a center position and respectively extending in a plurality of radial directions. The code disk comprises a plurality of disk sectors sequentially disposed in the circumferential direction around the center position, wherein each of the disk sectors comprises a plurality of code pieces, each of the code pieces comprises an encoded value, each of the encoded values comprises a plurality of bits adopting Manchester code, these bits are arranged in one of the radial directions, and the encoded values of two of the disk sectors are arranged as Gray code.
6 US2020064163A1
ENCODER APPARATUS
Publication/Patent Number: US2020064163A1 Publication Date: 2020-02-27 Application Number: 16/609,626 Filing Date: 2018-05-15 Inventor: Evans, Finlay Jonathan   Assignee: RENISHAW PLC   IPC: G01D5/347 Abstract: A sealed linear encoder apparatus provides a measure of relative displacement of two relatively movable members. The sealed linear encoder apparatus includes at least one elongate sealing lip wherein at least a sealing portion of the elongate sealing lip is held in tension along its length.
7 CN105277223B
反射型的光学式编码器
Valid
Title (English): Optical encoder of reflective type
Publication/Patent Number: CN105277223B Publication Date: 2020-01-07 Application Number: 201510284150.4 Filing Date: 2015-05-28 Inventor: 坂田显庸   Assignee: 发那科株式会社   IPC: G01D5/347 Abstract: 本发明提供光学式编码器。在光学式编码器(E)的代码板(1)的第一主面(11)上设置有非平面状的射入部(13),其在旋转轴线(RA)的周围以环状延伸,使发光器(2)发射的光线透射至代码板的内部,在第二主面(12)上设置有平面状的一次反射部(14),其使进入代码板的内部的光线全反射,在第一主面上还设置有代码图案部(15),其在与射入部不同的位置在旋转轴线的周围以环状延伸,并与代码板的旋转位置对应地切换由一次反射部全反射的光线的透射和不透射。代码图案部具有:使全反射的光线透射的非平面状的射出部(151);以及使全反射的光线再次全反射的平面状的二次反射部(152),二次反射部和射出部在旋转轴线的周围在圆周方向上交替配置。
8 EP3680625A1
ROTATION ANGLE ENCODER APPARATUS
Publication/Patent Number: EP3680625A1 Publication Date: 2020-07-15 Application Number: 20150821.5 Filing Date: 2020-01-08 Inventor: Loecklin, Eberhard Lothar   Assignee: Viavi Solutions Inc.   IPC: G01D5/347 Abstract: A rotation angle encoder apparatus is disclosed. The rotation angle encoder apparatus may comprise a plurality of light sources, a plurality of light detectors, and a plurality of pinions rotatable about a shaft. Each of the pinions may comprises a plurality of teeth and a plurality of gaps. The rotation angle encoder apparatus may comprise a plurality of stacked configurations such that, when the shaft is rotated, transmissivity may be measured to determine or calculate at least one measurement, such as an angle of rotation, position, movement, distance, or other discernable measurement. The rotation angle encoder apparatus with a plurality pinions and associated measurable transmissivities may enable an optical spectrum analyzer to increase wavelength accuracy and improve resolution in optical measurements.
9 GB2575903A
Capacitive position sensing
Publication/Patent Number: GB2575903A Publication Date: 2020-01-29 Application Number: 201907019 Filing Date: 2019-05-20 Inventor: Chad, Unterschultz   Kai, Unterschultz   Assignee: Chad Unterschultz   Kai Unterschultz   IPC: G01D5/347 Abstract: A wireless capacitive displacement sensing device with a segmented scale comprises a capacitive circuitry module, a measurement module and an interpreting module with means for interpreting the property being measured with one or more models that account for fringing. The model may be made by mathematically breaking down the resultant signal or signals; building a deterministic nonlinear and fringe based map or model, correlating position data based on the constituent elements; and implementing the model. In another aspect, a method for improving capacitive sensor performance comprises adjusting the load impedance, particularly during sensor operation. In another aspect, a method of improving capacitive displacement sensing comprises using historical measurements to mathematically project or estimate the next measurement. In another aspect the sensor comprises specialised slider sensor pads, wherein some pads are specialised to detect features such as irregularities and others to detect features such as position.
10 WO2020017304A1
REFLECTIVE OPTICAL ENCODER AND MOTOR, AND REFLECTIVE OPTICAL ENCODER MANUFACTURING METHOD
Publication/Patent Number: WO2020017304A1 Publication Date: 2020-01-23 Application Number: 2019026115 Filing Date: 2019-07-01 Inventor: Shijo, Daisuke   Kanamori, Daisuke   Nakamura, Yoshitomo   Takeda, Homare   Assignee: MITSUBISHI ELECTRIC CORPORATION   IPC: G01D5/347 Abstract: The present invention comprises a hub member (8) that is attached to a rotating shaft (11) and a circular scale plate (5) that is fixed to the hub member (8) by an adhesive (19) and has, on the front surface thereof, a pattern (14) comprising a high-reflection part (141) having high light reflectivity and a low-reflection part (142) having low light reflectivity. A step (23) is provided on the outer circumferential part of the hub member (8). The outer diameter of the scale plate (5) is made to be larger than the outer diameter of the outermost circumferential part of the surface (17) of the hub member (8) where the scale plate (5) and the hub member (8) are adhered to each other.
11 CN211601989U
一种光电码盘编码器
Valid
Publication/Patent Number: CN211601989U Publication Date: 2020-09-29 Application Number: 202020016487.3 Filing Date: 2020-01-06 Inventor: 李一飞   Assignee: 北京锐达芯集成电路设计有限责任公司   IPC: G01D5/347 Abstract: 本申请公开了一种光电码盘编码器。该光电码盘编码器用于测量旋转装置的角位移,包括:码盘,码盘的正面设置有码道,码道包括沿着码盘周向间隔分布的多个反射区;电路板,电路板上设置有光源和光传感器;其中,码盘用于与旋转装置连接而跟随旋转装置转动;光源提供的光信号照射在码道上,并被反射区所反射而产生反射光,光传感器接收反射光并根据反射光产生检测信号。本实用新型的光电码盘编码器实现了将光源和光传感器集成在一块电路板上,使光电码盘编码器的结构更为简单。
12 US10775203B2
Optical encoder and method of operating the same for converting image of a portion of a pattern of codes into waveforms
Publication/Patent Number: US10775203B2 Publication Date: 2020-09-15 Application Number: 16/104,770 Filing Date: 2018-08-17 Inventor: Hsu, Yueh Teng   Wu, Lin   Assignee: AEOLUS ROBOTICS CORPORATION LIMITED   IPC: G01D5/347 Abstract: A code plate including a pattern thereon is provided. The pattern includes a first set of codes and a second set of codes. The first set of codes is associated with a first waveform. The second set of codes is associated with a second waveform.
13 US2020271484A1
OPTICAL ENCODER AND CONTROL METHOD THEREOF
Publication/Patent Number: US2020271484A1 Publication Date: 2020-08-27 Application Number: 16/284,466 Filing Date: 2019-02-25 Inventor: Chen, Tsan-lin   Liu, Chin-sung   Assignee: HIWIN MIKROSYSTEM CORP.   IPC: G01D5/347 Abstract: An optical encoder with modified pattern and control method for higher precision is provided. The optical encoder comprises a light emitting element, a code wheel, a grating disk and a light sensing element. The code wheel is disposed at one side of the light emitting element and comprises a plurality of tracks configured in the annular formation periodically. The grating disk is disposed at one side of the code wheel opposite to the light emitting element, and comprises a plurality of patterns parallel with each other. The light sensing element is disposed at one side of the grating disk opposite to the code wheel, and comprises a control unit and a plurality of sensing units corresponding to the patterns. The light sensing element comprises a plurality of sensing arrays wherein each of the sensing arrays comprises at least two sensing units, and the sensing units with identical space are connected with the same transmission line.
14 CN111537007A
一种光学增量式编码器的发射探测模块
Under Examination
Publication/Patent Number: CN111537007A Publication Date: 2020-08-14 Application Number: 202010536777.5 Filing Date: 2020-06-12 Inventor: 申文忠   Assignee: 江苏睿芯源科技有限公司   IPC: G01D5/347 Abstract: 本发明公开了一种光学增量式编码器的发射探测模块,涉及光电编码器领域,该发射探测模块将发射器和接收器集成在一个模块中,发射器和接收器通过底座抵接安装并通过引线框架连成一体,可以达到模块化整体安装的效果,而两个底座的结构设计可以在装配后形成平行的通道并具有稳定的间隙,确保了光学中心与芯片中心的对齐,同时可以精准实现理论上光源与光电转换芯片间的工作距离,有效提高光源对光电转换芯片的照射面积,有效改善原始信号质量;该结构简化了零部件的生产加工,简化了装配工序,具有尺寸小、低成本、多种安装选项、宽分辨率范围、具有线性和旋转选项且无需信号调整同时对径向和轴向间隙不敏感等优点,有助于优化光学增量式编码器的性能。
15 CN109341734B
一种绝对式光电编码装置
Valid
Publication/Patent Number: CN109341734B Publication Date: 2020-09-11 Application Number: 201811426527.5 Filing Date: 2018-11-27 Inventor: 陈晓鹏   黄强   程炜   汪常进   李敬   甘明刚   张伟民   Assignee: 北京理工大学   IPC: G01D5/347 Abstract: 本发明公开了一种绝对式光电编码装置,采用具有不同高度编码孔的编码器、两组或两组以上光电设备和控制器,构建绝对式光电编码器,能够解决编码器读取效率低、编码条纹刻录复杂及编码条纹不易识别的问题。本发明通过采用不同高度的方形编码孔来代表二进制的0和1,利用至少两组光电设备分别对准方形编码孔的上下两个部分,通过判断两组光电设备有无信号,则可以直接判断该方形孔代表二进制的数值,而不需要对获得的电平信号的脉冲宽度进行测量,从而提高了编码器的读取效率。
16 US10801864B2
Absolute position measuring method, absolute position measuring apparatus, and colour scale comprising plural symbols each with plural segments of different color patterns
Publication/Patent Number: US10801864B2 Publication Date: 2020-10-13 Application Number: 16/242,788 Filing Date: 2019-01-08 Inventor: Kim, Jong-ahn   Kim, Jae-wan   Lee, Jae-yong   Jin, Jonghan   Woo, Jae-heun   Assignee: Korea Research Institute of Standards and Science   IPC: G01D5/347 Abstract: Provided is an absolute position color scale disposed to represent a binary code using a first symbol, having a first width and representing a first state (“HIGH”), and a second symbol having the first width and representing a second state (“LOW”). Each of the first and second symbols is divided into two or more segments having the same structure, and the first symbol has the same shape as the second symbol, but has a color pattern different from a color pattern of the symbol.
17 CN209961238U
编码装置、编码器以及系统
Valid
Title (English): Coding devices, encoders and systems
Publication/Patent Number: CN209961238U Publication Date: 2020-01-17 Application Number: 201690000961.5 Filing Date: 2016-05-02 Inventor: E.范德克尔霍夫   Assignee: 珀金埃尔默健康科学股份有限公司   IPC: G01D5/347 Abstract: 编码装置、编码器以及系统。在一些情况下,编码器可以与制品支撑件一起使用,以基于读取所述编码器的代码来标识所述制品支撑件的绝对位置。
18 US2020166382A1
OPTICAL ENCODER SYSTEM WITH SHAPED LIGHT SOURCE
Publication/Patent Number: US2020166382A1 Publication Date: 2020-05-28 Application Number: 16/694,189 Filing Date: 2019-11-25 Inventor: Larson, Brent Hans   Ararao, Virgil   Cusey, James P.   Assignee: TT Electronics PLC   IPC: G01D5/347 Abstract: An optical encoder system includes: a light emitter configured to emit a light flux; a plurality of photodetectors in an array, wherein each photodetector is operable to generate a current in response to the light flux; and a target object positioned to reflect the light flux onto the plurality of photodetectors; wherein the light emitter is configured to produce a non-circular pattern of the light flux.
19 EP3449218B1
OPTICAL ROTARY ANGLE SENSOR FOR AN ELECTRIC POWER ASSISTED STEERING SYSTEM OF A MOTOR VEHICLE
Publication/Patent Number: EP3449218B1 Publication Date: 2020-02-19 Application Number: 16722579.6 Filing Date: 2016-04-29 Inventor: Racz, Gergely   Assignee: thyssenkrupp AG   ThyssenKrupp Presta AG   IPC: G01D5/347
20 CN210108388U
一种微小方形插针式旋转光电编码器
Valid
Title (English): A small square pin rotary photoelectric encode
Publication/Patent Number: CN210108388U Publication Date: 2020-02-21 Application Number: 201920693654.5 Filing Date: 2019-05-15 Inventor: 万红春   Assignee: 万红春   IPC: G01D5/347 Abstract: 本实用新型涉及微小方形插针式旋转光电编码器,包括编码器主体、旋转轴,所述编码器主体通过轴承与旋转轴固定连接;所述编码器主体从上到下依次包括上盖、连接架、轴套包胶体;所述连接架上设有光电处理板、光电处理板下的コ型光电发射与接收部件,以及嵌入在光电处理板和コ型光电发射与接收部件中间的光栅盘;所述光栅盘下设有固定座;所述光栅盘为不锈钢材质,直径小于17mm,厚度0.1~0.2mm,所述光栅盘的透光孔为32~100个。本实用新型通过电路特殊优化处理,产品输出信号与波形稳定,避免输出波形与信号失真的情况,使用寿命增长。