专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明公开

EP2021740A1 ROTARY ENCODER APPARATUS 有权
标题翻译：编码器设备
公开(公告)号：EP2021740A1
公开(公告)日：2009-02-11
申请号：EP07732549.6
申请日：2007-04-25
申请人： Renishaw PLC
发明人： HOLLOWAY, Alan James
IPC分类号： G01D5/347 , G01D5/38
CPC分类号： G01D5/3473 , G01D5/38 , Y10T29/49826
摘要： Rotary encoder apparatus is described that comprises one or more readheads (114) and a radial scale (20). Each of the one or more readheads (114) includes a light emitting portion (30, 32) for illuminating the radial scale and a light detecting portion (40, 42) for detecting interference fringes formed at a readhead analyser plane (AP). The readhead analyser plane (AP) is tilted relative to the plane containing the radial scale (20). In a preferred, embodiment, the readhead analyser plane (AP) is tilted towards the centre of rotation (112) of the rotary encoder apparatus by the angle (β).

2. 发明公开

EP3028011A1 ROTATION DETECTION APPARATUS 有权
标题翻译： DREHWINKELERFASSUNGSVORRICHTUNG
公开(公告)号：EP3028011A1
公开(公告)日：2016-06-08
申请号：EP14749975.0
申请日：2014-07-31
申请人： Renishaw Plc.
发明人： JARJOUR, Anas Francois , HOLLOWAY, Alan James
IPC分类号： G01D5/34 , G01B11/27
CPC分类号： G01D5/345 , G01B11/26
摘要： A rotation detection apparatus (2), comprising: a beam source (6) for emitting a beam of polarised light; a decohering arrangement (39) for eliminating or at least reducing the degree of coherence between first and second independent polarisation components of the polarised light to produce a decohered beam (108) of polarised light; a detector (46A, 46B) for outputting a signal in dependence on the intensity of light which is incident thereupon, the detector(46A, 46B) being arranged so that the decohered beam (108) of polarised light is incident upon it; a polariser (41) for location in the path of the decohered beam (108) of polarised light such that rotation of the polariser (41) relative to the decohered beam (108) of polarised light results in a variation of the intensity of light incident upon the detector (46A, 46B) from the beam source (6) and a corresponding variation in the signal output from the detector(46A, 46B); and a processor (48A, 48B, 48C) for detecting the relative rotation based on the variation of the signal output from the detector(46A, 46B). Other types of rotation detection apparatus are also described.
摘要翻译：一种旋转检测装置，包括：用于发射偏振光束的光束源; 一种用于消除或减少偏振光的第一和第二独立偏振分量之间的相干程度以产生已解离的偏振光束的去焦化装置; 检测器，用于根据入射到其上的光的强度来输出信号，所述检测器被布置成使得所述解离的偏振光束入射到其上; 偏振器用于在解离的偏振光束的路径中的位置，使得偏振器相对于去光束的偏振光的旋转导致入射在检测器上的来自光束源的光的强度的变化和相应的变化从检测器输出的信号; 以及用于基于从检测器输出的信号的变化来检测相对旋转的处理器。

3. 发明授权

EP3296702B1 ROTATION DETECTION APPARATUS 有权
公开(公告)号：EP3296702B1
公开(公告)日：2020-02-05
申请号：EP17195518.0
申请日：2014-07-31
申请人： Renishaw PLC
发明人： JARJOUR, Anas Francois , HOLLOWAY, Alan James
IPC分类号： G01D5/34 , G01B11/26

4. 发明公开

EP3296702A2 ROTATION DETECTION APPARATUS 有权
标题翻译：旋转检测装置
公开(公告)号：EP3296702A2
公开(公告)日：2018-03-21
申请号：EP17195518.0
申请日：2014-07-31
申请人： Renishaw PLC
发明人： JARJOUR, Anas Francois , HOLLOWAY, Alan James
IPC分类号： G01D5/34 , G01B11/26
摘要： A rotation detection apparatus (2), comprising: a beam source (6) for emitting a beam of polarised light; a detector (46A, 46B) for outputting a signal in dependence on the intensity of light which is incident thereupon, the detector (46A, 46B) being arranged so that the beam of polarised light is incident upon it; a polariser (41) for location in the path of the beam of polarised light such that rotation of the polariser (41) relative to the beam of polarised light results in a variation of the intensity of light incident upon the detector (46A, 46B) from the beam source (6) and a corresponding variation in the signal output from the detector (46A, 46B); and a processor (48A, 48B, 48C) for detecting the relative rotation based on the variation of the signal output from the detector (46A, 46B); wherein the beam of polarised light comprises first and second beam portions having first and second different respective polarisation states. The apparatus (2) comprises an arrangement (41) for providing, for each of the first and second beam portions, first and second different relative orientations between a polarisation axis of the polariser (41) and a polarisation direction of the polarised light of that beam portion, thereby correspondingly providing first to fourth different output signals (A1, A2, B1, B2) from the detector (46A, 46B) relating respectively to: (a) the first relative orientation for the first beam portion; (b) the first relative orientation for the second beam portion; (c) the second relative orientation for the first beam portion; and (d) the second relative orientation for the second beam portion; and wherein the processor (48A, 48B, 48C) is operable to detect the relative rotation based on the first to fourth output signals (A1, A2, B1, B2) from the detector (46A, 46B).
摘要翻译：一种旋转检测装置（2），包括：用于发射偏振光束的光束源（6）检测器（46A，46B），用于根据入射到其上的光的强度输出信号，检测器（46A，46B）被设置成使得偏振光束入射在其上; 偏振器（41），用于定位在偏振光束的路径中，使得偏振器（41）相对于偏振光束的旋转导致入射到检测器（46A，46B）上的光强度的变化，来自束源（6）以及从检测器（46A，46B）输出的信号中的相应变化; 和处理器（48A，48B，48C），用于根据从检测器（46A，46B）输出的信号的变化来检测相对旋转; 其中所述偏振光束包括具有第一和第二不同的相应偏振态的第一和第二光束部分。所述设备（2）包括用于为所述第一和第二光束部分中的每一个提供所述偏振器（41）的偏振轴与所述偏振器（41）的偏振光的偏振方向之间的第一和第二不同相对取向的装置（41）从而相应地提供来自检测器（46A，46B）的分别与以下相关的第一至第四不同输出信号（A1，A2，B1，B2）：（a）第一梁部分的第一相对定向; （b）第二梁部分的第一相对方位; （c）第一梁部分的第二相对定向; 和（d）第二梁部分的第二相对定向; 并且其中所述处理器（48A，48B，48C）可操作以基于来自所述检测器（46A，46B）的所述第一至第四输出信号（A1，A2，B1，B2）检测所述相对旋转。

5. 发明授权

EP3028011B1 ROTATION DETECTION APPARATUS 有权
标题翻译：旋转检测装置
公开(公告)号：EP3028011B1
公开(公告)日：2017-10-25
申请号：EP14749975.0
申请日：2014-07-31
申请人： Renishaw Plc.
发明人： JARJOUR, Anas Francois , HOLLOWAY, Alan James
IPC分类号： G01D5/34 , G01B11/26
CPC分类号： G01D5/345 , G01B11/26

6. 发明公开

EP3152807A1 LASER DEVICE 有权
标题翻译： LASERVORRICHTUNG
公开(公告)号：EP3152807A1
公开(公告)日：2017-04-12
申请号：EP15726274.2
申请日：2015-06-01
申请人： Renishaw Plc.
发明人： COPNER, Nigel Joseph , HOLLOWAY, Alan James , JARJOUR, Anas , HUANG, Jungang , CHANEY, Raymond John
IPC分类号： H01S3/106
CPC分类号： H01S5/141 , H01S3/08027 , H01S3/08031 , H01S3/08059 , H01S3/0816 , H01S3/1062 , H01S5/02248
摘要： A frequency tuneable laser device includes a cavity mode selector and a cavity tuning arrangement. The cavity mode selector has a frequency response with a selection feature that is alignable in frequency with a selected cavity mode of the laser device. The cavity tuning arrangement includes a plurality of reflective elements arranged in optical series, and is used to adjust the effective optical path length of the laser cavity to move the cavity modes in frequency. The laser device further includes making the cavity mode selector and the cavity tuning arrangement perform a simultaneous coordinated movement such that respective frequencies of the selection feature and the selected cavity mode vary with substantially the same dependence on a parameter characterising the simultaneous coordinated movement. For example, a periscope with a co-rotating etalon can be used to provide mode hop free tuning of the laser device.
摘要翻译：可调频激光器件包括腔模式选择器和空腔调谐装置。腔模式选择器具有频率响应，具有可与激光装置的选定腔模式在频率上对准的选择特征。空腔调谐装置包括以光学系列布置的多个反射元件，并且用于调节激光腔的有效光程长度以使腔模在频率上移动。激光装置还包括使空腔模式选择器和空腔调谐装置执行同时协调的运动，使得选择特征和所选腔模的相应频率基本上与表征同时协调运动的参数的相同依赖性变化。例如，具有共同旋转标准具的潜望镜可用于提供激光装置的无跳变调谐。

7. 发明公开

EP3296702A3 ROTATION DETECTION APPARATUS 有权
公开(公告)号：EP3296702A3
公开(公告)日：2018-06-20
申请号：EP17195518.0
申请日：2014-07-31
申请人： Renishaw PLC
发明人： JARJOUR, Anas Francois , HOLLOWAY, Alan James
IPC分类号： G01D5/34 , G01B11/26
摘要： A rotation detection apparatus (2), comprising: a beam source (6) for emitting a beam of polarised light; a detector (46A, 46B) for outputting a signal in dependence on the intensity of light which is incident thereupon, the detector (46A, 46B) being arranged so that the beam of polarised light is incident upon it; a polariser (41) for location in the path of the beam of polarised light such that rotation of the polariser (41) relative to the beam of polarised light results in a variation of the intensity of light incident upon the detector (46A, 46B) from the beam source (6) and a corresponding variation in the signal output from the detector (46A, 46B); and a processor (48A, 48B, 48C) for detecting the relative rotation based on the variation of the signal output from the detector (46A, 46B); wherein the beam of polarised light comprises first and second beam portions having first and second different respective polarisation states. The apparatus (2) comprises an arrangement (41) for providing, for each of the first and second beam portions, first and second different relative orientations between a polarisation axis of the polariser (41) and a polarisation direction of the polarised light of that beam portion, thereby correspondingly providing first to fourth different output signals (A1, A2, B1, B2) from the detector (46A, 46B) relating respectively to: (a) the first relative orientation for the first beam portion; (b) the first relative orientation for the second beam portion; (c) the second relative orientation for the first beam portion; and (d) the second relative orientation for the second beam portion; and wherein the processor (48A, 48B, 48C) is operable to detect the relative rotation based on the first to fourth output signals (A1, A2, B1, B2) from the detector (46A, 46B).

8. 发明授权

EP2021740B1 ROTARY ENCODER APPARATUS 有权
标题翻译：编码器设备
公开(公告)号：EP2021740B1
公开(公告)日：2011-06-08
申请号：EP07732549.6
申请日：2007-04-25
申请人： Renishaw PLC
发明人： HOLLOWAY, Alan James
IPC分类号： G01D5/347 , G01D5/38
CPC分类号： G01D5/3473 , G01D5/38 , Y10T29/49826
摘要： Rotary encoder apparatus is described that comprises one or more readheads (114) and a radial scale (20). Each of the one or more readheads (114) includes a light emitting portion (30, 32) for illuminating the radial scale and a light detecting portion (40, 42) for detecting interference fringes formed at a readhead analyser plane (AP). The readhead analyser plane (AP) is tilted relative to the plane containing the radial scale (20). In a preferred, embodiment, the readhead analyser plane (AP) is tilted towards the centre of rotation (112) of the rotary encoder apparatus by the angle (β).

9. 发明公开

EP1828725A1 POSITION MEASUREMENT 审中-公开
标题翻译： POSITIONSMESSUNG
公开(公告)号：EP1828725A1
公开(公告)日：2007-09-05
申请号：EP05850644.5
申请日：2005-12-22
申请人： Renishaw plc
发明人： EALES, Marcus James , HOLLOWAY, Alan James
IPC分类号： G01D5/34
CPC分类号： G01D5/347 , G01D5/34 , G01D5/34792
摘要： A measurement system has a measurement scale pattern (10) and sensor (12) moveable relative to one another. The measurement scale pattern has a pattern of features (14) arranged into groups, each group having a known absolute position. The sensor (12) has a field of view sufficient to detect one or more features simultaneously. Relative movement between the sensor (12) and measurement scale pattern (10) is constrained in two or more degrees of freedom. A processor determines the position of the sensor or an object connected to the sensor relative to the measurement scale pattern in at least one linear and one rotational degree of freedom.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式