公开(公告)号：US4561738A

公开(公告)日：1985-12-31

申请号：US436876

申请日：1982-10-26

申请人： William E. Humphrey ,  Charles Campbell

发明人： William E. Humphrey ,  Charles Campbell

IPC分类号： A61B3/024 ,  A61B3/02

CPC分类号： A61B3/024

摘要： A field tester wherein a patient's tested eye is located at the center of an interior hemisphere defining a projection surface and wherein a light spot is projected onto said surface from an eccentric location is disclosed. Optics in common with the projector assure that the off-center projected light is of constant intensity and diameter as selected for each test sequence according to test criteria. Specifically, a filament light source is projected to a collimating lens. The light source is re-imaged to a system lens stop. There is a movable aperture between the collimating lens and the first lens of telescopic optics for projecting the image of the aperture onto the projection surface of the sphere. By using a coordinate transform to predict the distance from the point of light source projection to the projection surface of the sphere, the movable aperture is registered to a conjugate distance with respect to the telescope optics. Aperture registration insures projection of a constant image of the aperture to any point along sphere surface. There results a field testing spot of constant diameter and intensity, according to selected image criteria, in spite of a continuously changing distance between the point of projection and projecting surface on the inside projection hemisphere. An apertured finder for centering of the patient's eye is also disclosed wherein relay optics projecting a real image of the patient's eye as viewed through a peep hole assure a wide angle view of the eye being tested. The eye is viewed through an aperture having a sight that does not significantly interfere with the test being conducted.

摘要翻译： 公开了一种现场测试仪，其中患者测试的眼睛位于限定投影表面的内半球的中心，并且其中光斑从偏心位置突出到所述表面上。 根据测试标准，与投影机共同的光学元件可以确保偏心投影光具有恒定的强度和每个测试顺序的直径。 具体地，将长丝光源投影到准直透镜。 将光源重新成像到系统镜头停止点。 在准直透镜和伸缩光学器件的第一透镜之间存在可移动的孔，用于将孔的图像投影到球体的投影表面上。 通过使用坐标变换来预测从光源投影点到球体的投影表面的距离，可移动孔径相对于望远镜光学器件注册到共轭距离。 光圈对准确保孔径的恒定图像投影到沿着球体表面的任何点。 尽管在投影点和内侧投影半球上的投影面之间的距离不断变化，但根据所选择的图像标准，导致具有恒定直径和强度的现场测试点。 还公开了一种用于患者眼睛居中的孔径检测器，其中通过窥视孔观察时投射患者眼睛的真实图像的中继光学器件确保被测眼睛的广角视野。 通过具有不会显着干扰正在进行的测试的视线的孔观察眼睛。

公开(公告)号：US20050286020A1

公开(公告)日：2005-12-29

申请号：US11059874

申请日：2005-02-16

申请人： Charles Campbell

发明人： Charles Campbell

IPC分类号： A61B3/103 ,  A61B3/107 ,  G01J9/00 ,  A61B3/10 ,  A61B3/00

CPC分类号： A61B3/103 ,  A61B3/107 ,  G01J9/00

摘要： Methods and systems for measuring optical aberrations of an eye are provided. In one embodiment, the present invention provides transmitting light from the eye along an optical path to an aberration sensor. An adaptive optic is disposed along the optical path between a target optical system and the aberration sensor. Aberrations of the adaptive optic can be adjusted in response to a signal generated by the aberration sensor so as to provide a desired sensed aberration. The shape of the adjusted adaptive optic can be determined with the aberration sensor by transmitting an adaptive optic configuration measurement beam along the optical path.

公开(公告)号：US20050184506A1

公开(公告)日：2005-08-25

申请号：US11106087

申请日：2005-04-14

申请人： Charles Campbell ,  Warren Fabel

发明人： Charles Campbell ,  Warren Fabel

IPC分类号： B42D15/02 ,  H04L12/14 ,  H04M3/42 ,  H04M3/53 ,  H04M3/56 ,  H04M7/00 ,  H04M15/00 ,  B42D15/00

CPC分类号： B42D15/02 ,  B42P2241/22

摘要： A form assembly is suitable for mailing and includes a front sheet comprising a fold line that separates a first section and a second section of the front sheet. Each section defines a foldable flap along the fold line. Adhesive material is disposed on the back inner face of the front sheet. The form assembly also includes a back sheet comprising at least one die-cut. The die-cut substantially conforms to the second section and a receiving area of the front sheet. Adhesive release material is disposed on the front inner face of the back sheet. Once the die-cut is removed, one of the foldable flaps can be folded along the fold line and adhesively bound to a receiving area of the front sheet that is adjacent to the fold line, thereby resulting in a multi-ply form having a substantially uniform thickness.

摘要翻译： 一种形式组合件适用于邮寄，并且包括一个前片，其包括分隔前片的第一部分和第二部分的折叠线。 每个部分定义沿着折叠线的可折叠翼片。 粘合材料设置在前片的后内表面上。 该模板组件还包括至少一个模切件的背板。 模切基本上符合前片的第二部分和接收区域。 粘合剂释放材料设置在背板的前内表面上。 一旦模切被去除，可折叠的折板中的一个可以沿着折叠线折叠并且粘合地结合到与折叠线相邻的前片的接收区域，从而导致多层形式，具有基本上 均匀厚度。

公开(公告)号：US20050110951A1

公开(公告)日：2005-05-26

申请号：US10946700

申请日：2004-09-22

申请人： Don Yancey ,  Leonard Schupak ,  Charles Campbell

发明人： Don Yancey ,  Leonard Schupak ,  Charles Campbell

IPC分类号： A61B3/103 ,  A61B3/12 ,  A61B3/15 ,  A61B3/10

CPC分类号： A61B5/14546 ,  A61B3/103 ,  A61B3/156

摘要： An autorefractor system in an ultra-compact package is described for rapidly and objectively measuring the refractive state of the eye. The autorefractor detector system, in conjunction with a secondary light source, uses one photodetector such as a charge coupled device (“CCD”) or one photodiode, to intercept a light beam at two distances from a secondary retinal light source created by one relay lens, one pupil emitter conjugate lens and one pupil detector conjugate lens, as well as a field lens. The signals produced by the photodetector are used to determine the full spherocylindrical refraction of the eye. A novel illumination and imaging system provides multiple capabilities to image the eye, control accommodation, and acquire and maintain optical alignment, while obtaining other measurements of the eye.

摘要翻译： 描述了一种超紧凑型封装中的自动折射系统，用于快速和客观地测量眼睛的折射状态。 自动折射检测器系统与次级光源一起使用一个光电检测器，例如电荷耦合器件（“CCD”）或一个光电二极管，以拦截距离由一个中继透镜产生的次级视网膜光源两个距离的光束 ，一个瞳孔发射体共轭透镜和一个瞳孔检测器共轭透镜，以及场透镜。 由光电检测器产生的信号用于确定眼睛的全部轴向圆柱形折射。 一种新颖的照明和成像系统提供多种能力来对眼睛进行成像，控制调节，并获取和维持光学对准，同时获得眼睛的其他测量。

公开(公告)号：US5198867A

公开(公告)日：1993-03-30

申请号：US696664

申请日：1991-05-07

申请人： Charles Campbell

发明人： Charles Campbell

IPC分类号： G01B11/255

CPC分类号： G01B11/255

摘要： Adaptions of lensmeter optical trains are disclosed for enabling the measurement of contact lenses without the interference of spherical aberration from the highly meniscus lens formats of contact lenses. A generic system of measurement of the contact lenses when off of the eye is introduced by having light incident to or passing from the suspect contact lenses at an approximate aplanatic condition of the contact lens. The approximate aplanatic condition is determined by taking the average power of the posterior and anterior surfaces of the contact lenses for the general population--approximately 8 mm, assuming an index of refraction of approximately 1.5--calculating the aplanatic condition for such a "surface," and having light incident on the lenses for the interrogation of the lenses approximate the aplanatic condition. Modification of four optical trains for contact lens measurement is disclosed, including a Badal type optical train, a typical focusing lensmeter, an automated lensmeter utilizing mask pattern with photodetector array, and a lens system with a matrix of light focusing lenses.

摘要翻译： 公开了镜头光学列车的适应性，用于使得能够测量隐形眼镜而不会受到来自隐形眼镜的高弯月透镜格式的球面像差的干扰。 通过在接近透镜的近似平行状态下入射到或从可疑隐形眼镜经过的光引入离开眼睛时的隐形眼镜的一般测量系统。 假设大约为1.5的折射率 - 计算这种“表面”的平均条件，估计接近透镜的后表面和前表面对于普通人群的平均功率大约为8mm来确定近似的平行条件。 并且入射到透镜上的光用于询问镜片近似于非均匀状态。 公开了用于隐形眼镜测量的四个光学列车的修改，包括Badal型光学列车，典型的聚焦透镜计，利用具有光电检测器阵列的掩模图案的自动透镜计量器和具有聚光透镜矩阵的透镜系统。

公开(公告)号：US4959074A

公开(公告)日：1990-09-25

申请号：US198356

申请日：1988-05-25

申请人： Gergory Halpern ,  Charles Campbell ,  Ellington M. Beavers ,  Huk Y. Chen

发明人： Gergory Halpern ,  Charles Campbell ,  Ellington M. Beavers ,  Huk Y. Chen

IPC分类号： C08G18/08 ,  C08G18/62 ,  C08G18/64 ,  C08G18/72 ,  C08J7/04

CPC分类号： C08J7/047 ,  C08G18/08 ,  C08G18/6229 ,  C08G18/6484 ,  C08G18/728 ,  C08J2475/00 ,  Y10S623/92

摘要： Plastics, particularly a method of hydrophilic coating of plastics, for example, a contact lens, with a lubricating and visually acute mucopolysaccharide film which is immobilized upon the surface of the plastic for the lifetime of the plastic. A preferred method includes first coating the plastic with an aqueous solution of a mucopolysaccharide, drying by applying a water-miscible solvent, then crosslinking and permanently immobilizing the first coating upon the plastic by applying a solution of catalyzed organic solution aliphatic polyisocyanates.

摘要翻译： 塑料，特别是塑料亲水涂覆的方法，例如隐形眼镜，其具有润滑和视觉上急性的粘多糖膜，其在塑料的使用寿命期间固定在塑料表面上。 优选的方法包括首先用粘多糖的水溶液涂覆塑料，通过施加水混溶性溶剂进行干燥，然后通过施加催化有机溶液脂族多异氰酸酯的溶液将第一涂层交联并永久地固定在塑料上。

公开(公告)号：US08538368B1

公开(公告)日：2013-09-17

申请号：US13296164

申请日：2011-11-14

申请人： Charles Campbell

发明人： Charles Campbell

IPC分类号： H04B1/16

CPC分类号： H04B1/1027 ,  H04B2001/1054

摘要： Apparatus and methods for limiting a radio frequency (RF) signal are disclosed. An example apparatus includes a detector configured to generate a detection signal based on a power of a RF signal on a signal path. A bias circuit may bias a switch circuit to dynamically limit the RF signal based on the detection signal.

摘要翻译： 公开了用于限制射频（RF）信号的装置和方法。 示例性装置包括：检测器，被配置为基于信号路径上的RF信号的功率产生检测信号。 偏置电路可以偏置开关电路以基于检测信号来动态地限制RF信号。

公开(公告)号：US08129666B2

公开(公告)日：2012-03-06

申请号：US12641011

申请日：2009-12-17

申请人： Erik Gross ,  Charles Campbell

发明人： Erik Gross ,  Charles Campbell

IPC分类号： G01J1/20

CPC分类号： G01M11/0264 ,  A61B3/1015

摘要： Devices systems, and methods can characterize an optical surface of an object. A wavefront sensor system focuses light energy propagating from the object to form a pattern on a detector. The system maps the pattern to an array with a transform function such as a Fourier transform. The values of array correspond to characteristic locations and signals in a transform space, for example an intensity of spatial frequency signals in frequency space. The characteristic location and intensity of these signals in transform space are used to measure the optical surface. For example, a characteristic frequency of a spatial frequency intensity peak in Fourier transform space can be used to estimate the location of spots on the detector. Alternatively, the characteristics can be used to the measure sphere, cylinder and axis of a wavefront, wavefront elevation maps and point spread functions, often without locating positions of individual spots on the detector.

摘要翻译： 设备系统和方法可以表征物体的光学表面。 波前传感器系统聚焦从物体传播的光能以在检测器上形成图案。 系统将模式映射到具有诸如傅里叶变换的变换函数的数组。 阵列的值对应于变换空间中的特征位置和信号，例如频率空间中的空间频率信号的强度。 这些信号在变换空间中的特征位置和强度用于测量光学表面。 例如，可以使用傅里叶变换空间中的空间频率强度峰值的特征频率来估计检测器上的斑点的位置。 或者，该特征可以用于测量球体，波前的圆柱体和轴线，波前高程图和点扩散函数，通常不会在检测器上定位各个点的位置。

公开(公告)号：US20080073525A1

公开(公告)日：2008-03-27

申请号：US11686226

申请日：2007-03-14

申请人： Erik Gross ,  Charles Campbell

发明人： Erik Gross ,  Charles Campbell

IPC分类号： G01N23/00

CPC分类号： G01M11/0264 ,  A61B3/1015

摘要： Devices systems, and methods can characterize an optical surface of an object. A wavefront sensor system focuses light energy propagating from the object to form a pattern on a detector. The system maps the pattern to an array with a transform function such as a Fourier transform. The values of array correspond to characteristic locations and signals in a transform space, for example an intensity of spatial frequency signals in frequency space. The characteristic location and intensity of these signals in transform space are used to measure the optical surface. For example, a characteristic frequency of a spatial frequency intensity peak in Fourier transform space can be used to estimate the location of spots on the detector. Alternatively, the characteristics can be used to the measure sphere, cylinder and axis of a wavefront, wavefront elevation maps and point spread functions, often without locating positions of individual spots on the detector.

摘要翻译： 设备系统和方法可以表征物体的光学表面。 波前传感器系统聚焦从物体传播的光能以在检测器上形成图案。 系统将模式映射到具有诸如傅里叶变换的变换函数的数组。 阵列的值对应于变换空间中的特征位置和信号，例如频率空间中的空间频率信号的强度。 这些信号在变换空间中的特征位置和强度用于测量光学表面。 例如，可以使用傅里叶变换空间中的空间频率强度峰值的特征频率来估计检测器上的斑点的位置。 或者，该特征可以用于测量球体，波前的圆柱体和轴线，波前高程图和点扩散函数，通常不会在检测器上定位各个点的位置。

公开(公告)号：US20070216867A1

公开(公告)日：2007-09-20

申请号：US11376725

申请日：2006-03-14

申请人： Charles Campbell ,  Seema Somani

发明人： Charles Campbell ,  Seema Somani

IPC分类号： A61B3/00

CPC分类号： A61F9/00806 ,  A61F9/00812 ,  A61F2009/00848 ,  A61F2009/00872 ,  A61F2009/0088

摘要： Devices, systems, and methods often by measuring characterize optical structures and systems, the standard refractive error and irregular aberrations. A retinal spot can propagate through optical tissues of an eye and can be directed to refractive correction optics for correcting standard refractive errors. The corrected image is then directed to wavefront analysis optics, which form a coarse pitch lenslet array pattern and a fine pitch lenslet array pattern. The coarse pitch pattern indicates the standard refractive error of the eye, and can be used to adjust the refractive correction optics. The fine pitch pattern is formed with the corrected retinal image, facilitating precise wavefront reconstruction, measurement of high order aberrations, and the like. The coarse pitch pattern and fine pitch pattern may be formed sequentially or simultaneously.

摘要翻译： 器件，系统和方法通常通过测量光学结构和系统的特性，标准折射误差和不规则像差。 视网膜斑可以通过眼睛的光学组织传播，并且可以被引导到用于校正标准屈光不正的折射校正光学元件。 然后校正的图像被引导到波前分析光学器件，其形成粗略的俯仰小透镜阵列图案和细间距的小透镜阵列图案。 粗略的图案表示眼睛的标准屈光不正，可用于调整屈光矫正光学元件。 精细的俯仰图案由校正的视网膜图像形成，促进精确的波前重建，高阶像差的测量等。 可以顺序地或同时地形成粗略的俯仰图案和细间距图案。