公开(公告)号：US07161585B2

公开(公告)日：2007-01-09

申请号：US10609676

申请日：2003-07-01

Applicant: James Harold Lauffenburger ,  Gil Afriat ,  Robert R. Rotzoll

Inventor： James Harold Lauffenburger ,  Gil Afriat ,  Robert R. Rotzoll

IPC: G09G5/08 ,  G09G5/00 ,  H01L31/14

CPC classification number: G06F3/0383 ,  G06F1/3259 ,  G06F3/0317 ,  Y02D10/155

Abstract: There is described a method of post-processing and reporting detected displacement in an optical pointing device as well as a sensing device for an optical pointing device implementing this method. Displacement is detected and a first count representative of a magnitude of the detected displacement is accumulated in an associated accumulation unit, this first count representing the magnitude of the detected displacement at a first resolution (or detection resolution). The first count accumulated in the accumulation unit is processed to convert this first count into a report count representing the magnitude of the detected displacement at a second resolution (or reporting resolution) lower than the first resolution. This report count is then reported, for instance to a PC or an external controller. These operations are repeated to generate periodic motion reports at the second resolution.

Abstract translation: 描述了在光学指向装置中的后处理和报告检测到的位移的方法以及用于实现该方法的光学指向装置的感测装置。 检测位移，并且表示检测到的位移的大小的第一计数在相关联的累积单元中累积，该第一计数表示在第一分辨率（或检测分辨率）处检测到的位移的大小。 处理累积在累积单元中的第一计数，以将该第一计数转换为表示以低于第一分辨率的第二分辨率（或报告分辨率）检测到的位移的大小的报告计数。 然后将报告计数报告给PC或外部控制器。 重复这些操作以在第二分辨率下产生周期运动报告。

公开(公告)号：US20060125794A1

公开(公告)日：2006-06-15

申请号：US11011164

申请日：2004-12-15

Applicant: Gil Afriat

Inventor： Gil Afriat

IPC: G09G5/08

CPC classification number: G06F3/0317 ,  G06F1/32

Abstract: There is described a method for detecting a lift condition from an illuminated surface portion of an optical motion sensing device. According to a first embodiment, two different “loss-of-focus” thresholds are used. A first threshold is used when the optical pointing device is not moving, and a second threshold greater than the first one is used when the optical pointing device is moving. The optical device further requires means for detecting whether it is moving or not. According to a second embodiment, a dynamical loss-of-focus threshold depending on an average number of motion features that the surface exhibits to the sensor of the optical pointing device is used.

Abstract translation: 描述了用于从光学运动感测装置的照射表面部分检测升力条件的方法。 根据第一实施例，使用两个不同的“失焦”阈值。 当光学指向装置不移动时使用第一阈值，并且当光学指向装置移动时使用大于第一阈值的第二阈值。 光学装置还需要用于检测其是否移动的装置。 根据第二实施例，使用根据表面对光学指向装置的传感器表现的运动特征的平均数量的动态失焦阈值。

公开(公告)号：US20050001817A1

公开(公告)日：2005-01-06

申请号：US10609676

申请日：2003-07-01

Applicant: James Lauffenburger ,  Gil Afriat ,  Robert Rotzoll

Inventor： James Lauffenburger ,  Gil Afriat ,  Robert Rotzoll

IPC: G06F3/03 ,  G06F3/038 ,  G06F3/042 ,  G09G5/08

CPC classification number: G06F3/0383 ,  G06F1/3259 ,  G06F3/0317 ,  Y02D10/155

Abstract: There is described a method of post-processing and reporting detected displacement in an optical pointing device as well as a sensing device for an optical pointing device implementing this method. Displacement is detected and a first count representative of a magnitude of the detected displacement is accumulated in an associated accumulation unit, this first count representing the magnitude of the detected displacement at a first resolution (or detection resolution). The first count accumulated in the accumulation unit is processed to convert this first count into a report count representing the magnitude of the detected displacement at a second resolution (or reporting resolution) lower than the first resolution. This report count is then reported, for instance to a PC or an external controller. These operations are repeated to generate periodic motion reports at the second resolution.

Abstract translation: 描述了在光学指向装置中的后处理和报告检测到的位移的方法以及用于实现该方法的光学指向装置的感测装置。 检测位移，并且表示检测到的位移的大小的第一计数在相关联的累积单元中累积，该第一计数表示在第一分辨率（或检测分辨率）处检测到的位移的大小。 处理累积在累积单元中的第一计数，以将该第一计数转换为表示以低于第一分辨率的第二分辨率（或报告分辨率）检测到的位移的大小的报告计数。 然后将报告计数报告给PC或外部控制器。 重复这些操作以在第二分辨率下产生周期运动报告。

公开(公告)号：US08405613B2

公开(公告)日：2013-03-26

申请号：US11424764

申请日：2006-06-16

Applicant: Lawrence Bieber ,  Michel Willemin ,  Gil Afriat ,  James Harlod Lauffenburger ,  Kevin Scott Buescher

Inventor： Lawrence Bieber ,  Michel Willemin ,  Gil Afriat ,  James Harlod Lauffenburger ,  Kevin Scott Buescher

IPC: G06M7/00

CPC classification number: G06F3/0317

Abstract: A method for measuring relative motion between an illuminated portion of a surface and an optical sensing device comprising a coherent light source and a photodetector device comprising an array of pixels and comparators for extracting motion features. The method includes the steps (a)-(d). Step (a) includes illuminating with the coherent light source the surface portion at a determined flash rate. Step (b) includes detecting, using the array of pixels a speckled light intensity pattern of the illuminated portion of the surface for each flash. Step (c) includes extracting edge direction data of two different types from the detected speckled light intensity patterns. Step (d) includes measuring relative motion between the optical sensing device and the illuminated portion of the surface based on extracted edge direction data. The step of extracting edge direction data further includes a preliminary step of introducing a selecting factor, which promotes detection of one type of edge direction data rather than another type.

Abstract translation: 一种用于测量表面的被照射部分和包括相干光源的光学感测装置之间的相对运动的方法，以及包括用于提取运动特征的像素阵列和比较器的光电检测器装置。 该方法包括步骤（a） - （d）。 步骤（a）包括以确定的闪光速率用相干光源照射表面部分。 步骤（b）包括用于每个闪光灯使用像素阵列检测表面的被照射部分的斑点光强度图案。 步骤（c）包括从检测到的有斑点的光强度图案中提取两种不同类型的边缘方向数据。 步骤（d）包括基于提取的边缘方向数据来测量光学感测装置和表面的照射部分之间的相对运动。 提取边缘方向数据的步骤还包括引入选择因子的初步步骤，其促进检测一种类型的边缘方向数据而不是另一类型。

公开(公告)号：US08294672B2

公开(公告)日：2012-10-23

申请号：US11609609

申请日：2006-12-12

Applicant: Sylvain Grosjean ,  Michel Willemin ,  James Harold Lauffenburger ,  Gil Afriat ,  Kevin Scott Buescher ,  Lawrence Bieber

Inventor： Sylvain Grosjean ,  Michel Willemin ,  James Harold Lauffenburger ,  Gil Afriat ,  Kevin Scott Buescher ,  Lawrence Bieber

IPC: G06F3/033 ,  G09G5/08 ,  H01S3/13 ,  H01S3/00

CPC classification number: G06F3/0317

Abstract: The invention concerns an optical pointing device comprising a coherent light source for illuminating a surface portion with radiation, a driver of the coherent light source for controlling coherent light emissions, a photodetector device responsive to radiation reflected from the illuminated surface portion, processing means for determining, based on the photodetector device response, a measurement of relative motion between the optical pointing device and the illuminated portion of the surface, wherein the coherent light source driver is a fault-tolerant driver comprising redundant power control means for limiting the output power of coherent light emissions.

Abstract translation: 本发明涉及一种光学指向装置，其包括用于用辐射照射表面部分的相干光源，用于控制相干光发射的相干光源的驱动器，响应于从被照射的表面部分反射的辐射的光电检测器装置，用于确定 基于所述光电检测器装置响应，测量所述光学指向装置与所述表面的被照亮部分之间的相对运动，其中所述相干光源驱动器是容错驱动器，其包括用于限制相干的输出功率的冗余功率控制装置 轻量化排放。

公开(公告)号：US08013841B2

公开(公告)日：2011-09-06

申请号：US11424747

申请日：2006-06-16

Applicant: Lawrence Bieber ,  Gil Afriat ,  James Harold Lauffenburger ,  Kevin Scott Buescher

Inventor： Lawrence Bieber ,  Gil Afriat ,  James Harold Lauffenburger ,  Kevin Scott Buescher

IPC: G09G5/08

CPC classification number: G06F3/0317 ,  G06F3/0383

Abstract: A method for detecting lift from a surface portion of an optical pointing device comprising a coherent light source, a photodetector device including an array of pixels, and extracting motion features including comparators with an adjustable offset value, the method comprising the steps of: (i) illuminating the surface portion with radiation by the coherent light source; (ii) detecting radiation patterns reflected from the illuminated surface portion with the photodetector device; (iii) comparing light intensity between neighbouring pixels in the detected radiation patterns; (iv) extracting motion features as a function of the result of the comparison; (v) counting the total number of motion features extracted; (vi) increasing or decreasing the comparator offset value when the total number of motion features increases or decreases; (vii) comparing the comparator offset value with an offset threshold; (viii) enabling detection of a lift condition if the comparator offset value is lower than the offset threshold.

Abstract translation: 一种用于检测来自包括相干光源的光学指向装置的表面部分的升力的方法，包括像素阵列的光电检测器装置，以及提取包括具有可调偏移值的比较器的运动特征，所述方法包括以下步骤：（i ）通过相干光源的辐射照射表面部分; （ii）利用光电检测器装置检测从被照射的表面部分反射的辐射图; （iii）比较检测到的辐射图中相邻像素之间的光强度; （iv）根据比较结果提取运动特征; （v）计算提取的运动特征的总数; （vi）当运动特征的总数增加或减少时增加或减少比较器偏移值; （vii）将比较器偏移值与偏移阈值进行比较; （viii）如果比较器偏移值低于偏移阈值，则能够检测升力条件。

公开(公告)号：US20070290991A1

公开(公告)日：2007-12-20

申请号：US11424747

申请日：2006-06-16

Applicant: Lawrence Bieber ,  Gil Afriat ,  James Harold Lauffenburger ,  Kevin Scott Buescher

Inventor： Lawrence Bieber ,  Gil Afriat ,  James Harold Lauffenburger ,  Kevin Scott Buescher

IPC: G09G5/08

CPC classification number: G06F3/0317 ,  G06F3/0383

Abstract: A method for detecting lift from a surface portion of an optical pointing device comprising a coherent light source, a photodetector device including an array of pixels, and means for extracting motion features including comparators with an adjustable offset value, the method comprising the steps of: (i) illuminating said surface portion with radiation by means of said coherent light source; (ii) detecting radiation patterns reflected from the illuminated surface portion by means of said photodetector device; (iii) comparing light intensity between neighbouring pixels in said detected radiation patterns; (iv) extracting motion features as a function of the result of said comparison; (v) counting the total number of motion features extracted; (vi) increasing, respectively decreasing, said comparator offset value when said total number of motion features increases, respectively decreases; wherein the method further comprises the steps of: (vii) comparing said comparator offset value with an offset threshold; (viii) enabling detection of a lift condition if said comparator offset value is lower than said offset threshold.

Abstract translation: 一种用于检测来自包括相干光源的光学指向装置的表面部分的升力的方法，包括像素阵列的光电检测器装置，以及用于提取包括具有可调偏移值的比较器的运动特征的装置，所述方法包括以下步骤： （i）通过所述相干光源用辐射照射所述表面部分; （ii）通过所述光电检测器装置检测从被照射的表面部分反射的辐射图; （iii）比较所述检测的辐射图案中的相邻像素之间的光强度; （iv）根据所述比较的结果提取运动特征; （v）计算提取的运动特征的总数; （vi）当所述运动特征总数增加时，所述比较器偏移值分别减小; 其中所述方法还包括以下步骤：（vii）将所述比较器偏移值与偏移阈值进行比较; （viii）如果所述比较器偏移值低于所述偏移阈值，则能够检测升力条件。

公开(公告)号：US07078673B1

公开(公告)日：2006-07-18

申请号：US11020108

申请日：2004-12-27

Applicant: Gil Afriat

Inventor： Gil Afriat

IPC: G06M7/00 ,  G01N21/86 ,  G09G5/08

CPC classification number: G06F3/0317

Abstract: There is described a method for measuring relative motion between an illuminated portion of a surface and an optical sensing device comprising a photodetector array including a plurality of rows and columns of pixels respectively aligned along first and second axes comprising essentially the steps of comparing at a first point in time light intensity between neighbouring pixels of the photodetector array and determining along each of the first and second axes, edge direction data from the detected first light intensity pattern, extracting edge inflection data from the edge direction data from the detected first light intensity pattern, comparing at a second point in time light intensity between neighbouring pixels and determining along each of said first and second axes, the edge direction data from the detected second light intensity pattern, extracting edge inflection data from the edge direction data from the detected second light intensity pattern. The method further comprises the steps of extracting inflection line data being descriptive of the succession of two adjacent edge inflection data of the same type transversal to at least one determined axis, counting a total number of the extracted line conditions and determining a measurement of the relative motion between the optical sensing device and the illuminated portion of the surface along the determined axis based on a ratio of a comparison of the edge inflection data previously extracted and a function of the total number of inflection conditions and the total number of line conditions.

Abstract translation: 描述了一种用于测量表面的照射部分和光学感测装置之间的相对运动的方法，该光学感测装置包括光电检测器阵列，该光电检测器阵列包括分别沿着第一和第二轴对齐的多个像素行和列的像素，该基本上包括以下步骤： 在光检测器阵列的相邻像素之间的时间点光强度，并且沿着第一和第二轴中的每一个确定来自检测到的第一光强度图案的边缘方向数据，从检测到的第一光强度图案的边缘方向数据中提取边缘拐点数据 在相邻像素之间的第二时间光强度与第一轴和第二轴之间确定沿着检测到的第二光强度图案的边缘方向数据，从检测到的第二光线的边缘方向数据中提取边缘拐点数据 强度模式。 该方法进一步包括以下步骤：提取描绘与至少一个确定的轴横切的相同类型的两个相邻边缘拐点数据的连续的拐点线数据，对所提取的线条状况的总数进行计数，并确定相对 基于先前提取的边缘拐点数据的比较与总弯道条件数和线条总数的函数的比率，沿着确定的轴线在光学感测装置和表面的被照亮部分之间的运动。

公开(公告)号：US20060138306A1

公开(公告)日：2006-06-29

申请号：US11020108

申请日：2004-12-27

Applicant: Gil Afriat

Inventor： Gil Afriat

IPC: G01K11/00 ,  G01J1/42 ,  G06M7/00

CPC classification number: G06F3/0317

Abstract: There is described a method for measuring relative motion between an illuminated portion of a surface and an optical sensing device comprising a photodetector array including a plurality of rows and columns of pixels respectively aligned along first and second axes comprising essentially the steps of comparing at a first point in time light intensity between neighbouring pixels of the photodetector array and determining along each of the first and second axes, edge direction data from the detected first light intensity pattern, extracting edge inflection data from the edge direction data from the detected first light intensity pattern, comparing at a second point in time light intensity between neighbouring pixels and determining along each of said first and second axes, the edge direction data from the detected second light intensity pattern, extracting edge inflection data from the edge direction data from the detected second light intensity pattern. The method further comprises the steps of extracting inflection line data being descriptive of the succession of two adjacent edge inflection data of the same type transversal to at least one determined axis, counting a total number of the extracted line conditions and determining a measurement of the relative motion between the optical sensing device and the illuminated portion of the surface along the determined axis based on a ratio of a comparison of the edge inflection data previously extracted and a function of the total number of inflection conditions and the total number of line conditions.

Abstract translation: 描述了一种用于测量表面的照射部分和光学感测装置之间的相对运动的方法，该光学感测装置包括光电检测器阵列，该光电检测器阵列包括分别沿着第一和第二轴对齐的多个像素行和列的像素，该基本上包括以下步骤： 在光检测器阵列的相邻像素之间的时间点光强度，并且沿着第一和第二轴中的每一个确定来自检测到的第一光强度图案的边缘方向数据，从检测到的第一光强度图案的边缘方向数据中提取边缘拐点数据 在相邻像素之间的第二时间光强度与第一轴和第二轴之间确定沿着检测到的第二光强度图案的边缘方向数据，从检测到的第二光线的边缘方向数据中提取边缘拐点数据 强度模式。 该方法进一步包括以下步骤：提取描绘与至少一个确定的轴横切的相同类型的两个相邻边缘拐点数据的连续的拐点线数据，对所提取的线条状况的总数进行计数，并确定相对 基于先前提取的边缘拐点数据的比较与总弯道条件数和线条总数的函数的比率，沿着确定的轴线在光学感测装置和表面的被照亮部分之间的运动。

公开(公告)号：US20050062720A1

公开(公告)日：2005-03-24

申请号：US10497020

申请日：2002-12-03

Applicant: Robert Rotzoll ,  Kevin Scott ,  James Harold ,  Gil Afriat

Inventor： Robert Rotzoll ,  Kevin Scott ,  James Harold ,  Gil Afriat

IPC: G09G5/08

CPC classification number: G06F3/0317

Abstract: There is described a method as well as a device for motion detect ion in an optical sensing device, such as an optical mouse. A photodetector array comprising a plurality of pixels is used to detect successive light intensity patterns of an illuminated portion of a surface with respect to which a measurement of relative motion is to be determined. Light intensity between neighbouring pixels is compared in order to determine edge direction data descriptive of light intensity differences between the pixels, such data including (i) a first edge condition, or positive edge, defined as a condition wherein light intensity of a first pixel is less than light intensity of a second pixel, and (ii) a second edge condition, or negative edge, defined as a condition wherein light intensity of the first pixel is greater than light intensity of the second pixel. Through comparison of this edge direction data with edge direction data determined from a previous illumination (or by comparing data extracted from this edge direction data) a measurement of the relative motion of the optical sensing device with respect to the illuminated portion of the surface is determined.

Abstract translation: 描述了一种方法以及用于诸如光学鼠标的光学感测装置中的用于运动检测离子的装置。 包括多个像素的光电检测器阵列被用于检测将要确定相对运动的测量的表面的被照射部分的连续光强度图案。 比较相邻像素之间的光强度，以便确定描述像素之间的光强度差的边缘方向数据，这些数据包括（i）第一边缘条件或正边缘，被定义为第一像素的光强度为 小于第二像素的光强度，以及（ii）第二边缘条件或负边缘，被定义为第一像素的光强度大于第二像素的光强度的条件。 通过将该边缘方向数据与从先前照明确定的边缘方向数据（或通过比较从该边缘方向数据提取的数据进行比较）的比较来确定光学传感装置相对于表面的照射部分的相对运动的测量 。