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1. 发明授权

US06759648B2 Sensor for sensing absolute angular position of a rotatable body 失效
标题翻译：用于感测旋转体的绝对角度位置的传感器
公开(公告)号：US06759648B2
公开(公告)日：2004-07-06
申请号：US10126950
申请日：2002-04-22
申请人： John Baxter , Karl Yarnos Eisenhauer
发明人： John Baxter , Karl Yarnos Eisenhauer
IPC分类号： G01D534
CPC分类号： G01D5/34776 , G01D5/3473 , G01L3/12 , G01L5/221
摘要： An angle sensor for sensing the absolute angular position of a rotatable body, such as a rotating shaft of an electric power steering system for an automobile, is disclosed.
摘要翻译：公开了一种用于感测汽车电动助力转向系统的旋转体等旋转体的绝对角度位置的角度传感器。

2. 发明授权

US06660996B1 System and method for examining relationship between intersecting encoder output signals 有权
标题翻译：检查相交编码器输出信号之间的关系的系统和方法
公开(公告)号：US06660996B1
公开(公告)日：2003-12-09
申请号：US09898356
申请日：2001-07-03
申请人： Christopher Alan Adkins , Lucas David Barkley , Michael Anthony Marra, III
发明人： Christopher Alan Adkins , Lucas David Barkley , Michael Anthony Marra, III
IPC分类号： G01D534
CPC分类号： G01D5/2448 , G01D5/34792 , G01D5/36
摘要： An encoder system may determine a plurality of intersection points for first and second encoder output signals produced by an encoder. Each intersection point may be determined by initiating a capture of sample points of each of the encoder signals and then examining the captured sample points.
摘要翻译：编码器系统可以确定用于由编码器产生的第一和第二编码器输出信号的多个交点。可以通过启动对每个编码器信号的采样点的捕获，然后检查所捕获的采样点来确定每个交点。

3. 发明授权

US06642508B2 System and method in an angle measuring system with an encoder attachment system for attaching an encoder to a motor shaft through the use of a spring generating a radial pressure 失效
标题翻译：具有编码器连接系统的角度测量系统中的系统和方法，用于通过使用产生径向压力的弹簧将编码器附接到电动机轴
公开(公告)号：US06642508B2
公开(公告)日：2003-11-04
申请号：US09944639
申请日：2001-08-31
申请人： Robert Setbacken , Paul K. Roach , John Mathewson
发明人： Robert Setbacken , Paul K. Roach , John Mathewson
IPC分类号： G01D534
CPC分类号： G01D5/34738
摘要： An angle measuring system that includes a drive shaft that rotates about an axis of rotation, an encoder and an encoder attachment system that has a Belleville disk spring that generates a radial pressure with respect to the axis of rotation so as to attach the encoder to the drive shaft.
摘要翻译：一种角度测量系统，包括围绕旋转轴线旋转的驱动轴，编码器和编码器附接系统，该系统具有相对于旋转轴线产生径向压力的Belleville盘簧，以将编码器附接到传动轴。

4. 发明授权

US06603114B1 Scanning head comprising a semiconductor substrate with a blind hole containing a light source 有权
标题翻译：扫描头包括具有含有光源的盲孔的半导体衬底
公开(公告)号：US06603114B1
公开(公告)日：2003-08-05
申请号：US09471454
申请日：1999-12-23
申请人： Wolfgang Holzapfel , Elmar Mayer
发明人： Wolfgang Holzapfel , Elmar Mayer
IPC分类号： G01D534
CPC分类号： G01D5/34715 , H01L2224/48091 , H01L2924/00014
摘要： A scanning head is described, having on a side facing a scale at least one patterned photodetector, which is realized in a semiconductor substrate. The semiconductor substrate has an anisotropic blind hole that is symmetrical to the several photodetectors, and a light source arranged on a base plate in the blind hole. The transmitting grating for the light source is formed either in a metallization layer on the semiconductor substrate or, in the form of bars of the semiconductor substrate that have not been etched away. The distance between the scale and the transmitting grating as well as the distances between the scale and the patterned photodetector are essentially the same.
摘要翻译：描述了一种在半导体衬底中实现的具有至少一个图案化光电检测器的刻度的一侧的扫描头。半导体衬底具有与几个光电检测器对称的各向异性盲孔，以及布置在盲孔中的基板上的光源。用于光源的发射光栅形成在半导体衬底上的金属化层中，或者形成为未蚀刻掉的半导体衬底的棒状。刻度尺和发射光栅之间的距离以及刻度尺和图案光电检测器之间的距离基本相同。

5. 发明授权

US06600150B1 Encoder systems for printers and related methods 有权
标题翻译：用于打印机和相关方法的编码器系统
公开(公告)号：US06600150B1
公开(公告)日：2003-07-29
申请号：US09898325
申请日：2001-07-03
申请人： Christopher Alan Adkins , Lucas David Barkley , Michael Anthony Marra, III
发明人： Christopher Alan Adkins , Lucas David Barkley , Michael Anthony Marra, III
IPC分类号： G01D534
CPC分类号： G01D5/36
摘要： An analog encoder system repeatedly switches back and forth between monitoring of first and second encoder output signals to track movement of a structure associated with the encoder. Switching between signals is controlled according to an upper intersection amplitude and a lower intersection amplitude of the two encoder output signals.
摘要翻译：模拟编码器系统在监测第一和第二编码器输出信号之间来回重复地切换以跟踪与编码器相关联的结构的移动。根据两个编码器输出信号的上交点振幅和下交点振幅来控制信号之间的切换。

6. 发明授权

US06590201B2 Optical encoder incorporating linear light controlling member 有权
标题翻译：光学编码器包含线性光控制元件
公开(公告)号：US06590201B2
公开(公告)日：2003-07-08
申请号：US09741172
申请日：2000-12-21
申请人： Takashi Ueda
发明人： Takashi Ueda
IPC分类号： G01D534
CPC分类号： G01D5/34715
摘要： The optical encoder according to the present invention comprises an optical unit and a light controlling member. The optical unit includes a light emitter for emitting light and a light receiver for receiving the light from the light emitter. The light controlling member includes a plurality of transparent portions for passing the light from the light emitter and a plurality of nontransparent portions disposed alternately with the transparent portions for blocking the light from the light emitter. The transparent portion and the nontransparent portion are so arranged that any pair of adjacent transparent portion and nontransparent portion has a constant length in a direction of the adjacency. The optical unit and the light controlling member are movable relative to each other in a direction of arranging the transparent and the nontransparent portions. The light receiver is provided with one or any greater number of light receiver groups each including a plurality of adjacent light receiving elements arranged in a direction of the relative movement between the optical unit and the light controlling member. Each light receiver group has, in said direction of the relative movement, a length which is unequal to said constant length of the adjacent transparent portion and nontransparent portion.
摘要翻译：根据本发明的光学编码器包括光学单元和光控制构件。光学单元包括用于发光的光发射器和用于接收来自光发射器的光的光接收器。光控制构件包括用于使来自光发射器的光通过的多个透明部分和与透明部分交替设置的多个非透明部分，用于阻挡来自光发射器的光。透明部分和不透明部分被布置成使得任何一对相邻的透明部分和不透明部分在邻接方向上具有恒定的长度。光学单元和光控制构件可以在布置透明和不透明部分的方向上相对于彼此移动。光接收器设置有一个或多个光接收器组，每个光接收器组包括沿光学单元和光控制部件之间的相对移动方向布置的多个相邻的光接收元件。每个光接收器组在相对运动的所述方向上具有不等于相邻透明部分和不透明部分的所述恒定长度的长度。

7. 发明授权

US06548807B2 Radiation receiver with active optical protection system 失效
公开(公告)号：US06548807B2
公开(公告)日：2003-04-15
申请号：US10028391
申请日：2001-12-22
申请人： Hubert Becht
发明人： Hubert Becht
IPC分类号： G01D534
CPC分类号： G01J1/04 , G01J1/044 , G01J1/26 , G01J1/4257 , G01J5/62 , G01J2001/0276 , G01J2001/0285
摘要： Radiation receiver with a photodetector and a sensor, wherein the sensor receives the radiation intensity, and a shutter arranged before the photodetector is driven in dependence on the detected incident radiation intensity. The incident radiation is supplied to the photodetector via a delay device arranged before the shutter, so that no radiation destroying the photodetector can reach the photodetector, due to the shutter having been driven, and can if necessary be kept away or absorbed by the shutter.

8. 发明授权

US06545262B1 Position measuring system 失效
公开(公告)号：US06545262B1
公开(公告)日：2003-04-08
申请号：US09586271
申请日：2000-06-02
申请人： Reiner Burgschat
发明人： Reiner Burgschat
IPC分类号： G01D534
CPC分类号： G01D5/2451 , G01D5/2454 , G01D5/36
摘要： A position measuring system for determining the relative position of a first object and a second object movable relative to one another that includes an incremental track, associated with a first object and having a periodic line structure that has individual lines and a scanning unit, associated with a second object movable relative to the first object, that scans said periodic line structure and that generates a corresponding incremental signal. A sensor system that generates absolute position information pertaining to the relative position of the first and second objects, wherein the width of the individual lines, as measured along a longitudinal direction of the incremental track, varies over at least a portion of the breadth of the incremental track, as measured in a direction transverse to the longitudinal direction, in such a way that a structure with absolute position information is superimposed on the periodic line structure.

9. 发明授权

US06541761B1 Optical position measuring system with a graduation that causes essentially only first orders of diffraction 有权
$Optical position measuring system with a graduation that causes essentially only first orders of diffraction$
标题翻译：光学位置测量系统具有基本上只引入第一级衍射的刻度
公开(公告)号：US06541761B1
公开(公告)日：2003-04-01
申请号：US09652220
申请日：2000-08-30
申请人： Wolfgang Holzapfel , Walter Huber
发明人： Wolfgang Holzapfel , Walter Huber
IPC分类号： G01D534
CPC分类号： G01D5/38
摘要： An optical position measuring system that includes a light source, a measuring graduation, a scanning unit movable relative to the measuring graduation in at least one measurement direction. A projection graduation has periodic amplitude and phase structures disposed in alternation in the measurement direction. The arrangement further includes a detection graduation and a plurality of optoelectronic detector elements, wherein light from the light source interacts with the projection graduation so as to project a fringe pattern onto the detection graduation, so that via the plurality of optoelectronic detector elements, displacement-dependent output signals are detectable, and wherein the projection graduation has a structure such that in addition to even orders of diffraction and the zero order of diffraction, at least some of the (2n+1)th orders of diffraction are suppressed, where n=1, 2, 3, . . . , as a result of which essentially only the ±1st orders of diffraction contribute to generating the output signals.
摘要翻译：一种光学位置测量系统，包括光源，测量刻度，在至少一个测量方向上相对于测量刻度移动的扫描单元。投影刻度具有在测量方向上交替设置的周期性幅度和相位结构。该布置还包括检测刻度和多个光电检测器元件，其中来自光源的光与投影刻度相互作用以将条纹图案投影到检测刻度上，使得经由多个光电检测器元件，依赖输出信号是可检测的，并且其中投影刻度具有这样的结构，使得除了衍射的偶数阶和衍射的零级之外，抑制衍射的第（2n + 1）阶中的至少一些，其中n = 1，2，3，。。。，其结果基本上只有±1级的衍射有助于产生输出信号。

10. 发明授权

US06528783B1 Position sensor and circuit for optical encoder 失效
标题翻译：光学编码器位置传感器和电路
公开(公告)号：US06528783B1
公开(公告)日：2003-03-04
申请号：US09857175
申请日：2001-09-07
申请人： Alessandro Mortara , Peter Masa , Pascal Heim , Friedrich Heitger
发明人： Alessandro Mortara , Peter Masa , Pascal Heim , Friedrich Heitger
IPC分类号： G01D534
CPC分类号： G01D5/24 , G06G7/22
摘要： An electronic circuit for measuring the position of a spatially periodic intensity pattern of incident radiation includes an array of detectors (1); two or more correlator units (2, 3) each having arrays of capacitors (12, 13) connected to a buffer (14); and a phase angle computing unit (4). The pitch of the array of detectors (1) is smaller than the pitch of the incident intensity pattern so that the latter is oversampled, yielding high accuracy. The detector outputs (17) are weighted by respective fixed capacitance values (15, 16) which vary periodically along arrays of capacitors (12, 13), and a weighted sum of outputs for each correlator unit (2, 3) is output at its respective buffer (14). The capacitance values (15, 16) of respective correlator units (2, 3) are mutually offset by a predetermined phase shift. The analog computation using capacitor arrays (12, 13) is fast and energy efficient, and can be implemented as a VLSI circuit.
摘要翻译：用于测量入射辐射的空间周期性强度图案的位置的电子电路包括检测器阵列（1）; 两个或更多个相关器单元（2,3），每个具有连接到缓冲器（14）的电容器阵列（12,13）; 和相角计算单元（4）。检测器（1）阵列的间距小于入射强度图案的间距，使得后者被过采样，产生高精度。检测器输出（17）由相应固定电容值（15,16）加权，固定电容值（15,16）沿着电容器阵列（12,13）周期性地变化，并且每个相关器单元（2,3）的输出的加权和输出相应的缓冲器（14）。各个相关器单元（2,3）的电容值（15,16）相互偏移预定的相移。使用电容器阵列（12,13）的模拟计算是快速且高能效的，并且可以被实现为VLSI电路。

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