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    • 11. 发明授权
    • Optical coating and configuration for tailored spectral characteristics over viewing angle
    • 光学涂层和配置在视角下定制光谱特性
    • US07164535B2
    • 2007-01-16
    • US10956230
    • 2004-09-30
    • Randolph L. HallWilliam Southwell
    • Randolph L. HallWilliam Southwell
    • G02B1/10
    • G02B5/285
    • An optical system employs an optical coating on a substrate positioned relative to an optical collection system. The thickness of the coating is tailored such that light perceived by the collection system over prescribed angles of acceptance has a spectral content that is unchanged, or changed in a prescribed manner, from that entering the system when the sensor is oriented in the “look ahead” direction. The thickness of the coating is varied so that the wavelengths transmitted or reflected correspond to those required by a specific application. The invention is adaptable to system requirements that are centered about a single wavelength, or that require multiple wavelengths. The optical coating can take any of a number of forms, including stacked dielectric layers and rugate filters.
    • 光学系统在相对于光学收集系统定位的基底上采用光学涂层。 涂层的厚度被定制成使得在规定的接受角度下由收集系统感知到的光具有不变的频谱含量,或者以规定的方式变化,当传感器被定向在“向前看 “方向。 改变涂层的厚度,使得透射或反射的波长对应于特定应用所需的波长。 本发明适用于围绕单个波长或需要多个波长的系统要求。 光学涂层可以采取多种形式的任何形式,包括堆叠的电介质层和肮脏的过滤器。
    • 17. 发明授权
    • Bayesian approach for sensor super-resolution
    • 贝叶斯方法用于传感器超分辨率
    • US08019703B2
    • 2011-09-13
    • US12381298
    • 2009-03-10
    • Mark Alan PeotMario Aguilar
    • Mark Alan PeotMario Aguilar
    • G06F15/18
    • G06T3/4053
    • Bayesian super-resolution techniques fuse multiple low resolution images (possibly from multiple bands) to infer a higher resolution image. The super-resolution and fusion concepts are portable to a wide variety of sensors and environmental models. The procedure is model-based inference of super-resolved information. In this approach, both the point spread function of the sub-sampling process and the multi-frame registration parameters are optimized simultaneously in order to infer an optimal estimate of the super-resolved imagery. The procedure involves a significant number of improvements, among them, more accurate likelihood estimates and a more accurate, efficient, and stable optimization procedure.
    • 贝叶斯超分辨率技术融合了多个低分辨率图像(可能来自多个频带)来推断更高分辨率的图像。 超分辨率和融合概念可移植到各种传感器和环境模型中。 该过程是基于模型的超分辨信息推理。 在这种方法中,子采样过程的点扩散函数和多帧配准参数都被同时优化,以便推断超分辨图像的最优估计。 该过程涉及大量改进,其中包括更准确的可能性估计和更精确,有效和稳定的优化程序。
    • 18. 发明授权
    • Manufacturing method for stress compensated X-Y gimbaled MEMS mirror array
    • 应力补偿X-Y万向MEMS反射镜阵列的制造方法
    • US07813028B2
    • 2010-10-12
    • US11950400
    • 2007-12-04
    • Chialun TsaiJeffrey F. DeNatale
    • Chialun TsaiJeffrey F. DeNatale
    • G02B26/00
    • G02B26/105B81B2201/045B81C1/00142B81C2201/019G02B26/0841Y10S359/90
    • A wafer-level manufacturing method produces stress compensated x-y gimbaled comb-driven MEMS mirror arrays using two SOI wafers and a single carrier wafer. MEMS structures such as comb drives, springs, and optical surfaces are formed by processing front substrate layer surfaces of the SOI wafers, bonding together the processed surfaces, and removing the unprocessed SOI layers to expose second surfaces of the front substrate layers for further wafer-level processing. The bonded SOI wafers are mounted to a surface of the carrier wafer that has been separately processed. Processing wafer surfaces may include formation of a stress compensation layer to counteract physical effects of MEMS mirrors to be formed in a subsequent step. The method may form multi-layered conductive spring structures for the mirrors, each spring having a first conducting layer for energizing a comb drive, a second conducting layer imparting a restoring force, and an insulating layer between the first and second conducting layers.
    • 晶片级制造方法使用两个SOI晶片和单载体晶片产生应力补偿的x-y万向节梳状驱动的MEMS反射镜阵列。 MEMS结构如梳形驱动器,弹簧和光学表面是通过处理SOI晶片的前衬底层表面,将经处理的表面结合在一起并去除未加工的SOI层以暴露前衬底层的第二表面以形成另外的晶片 - 级处理。 结合的SOI晶片被安装到已经分开处理的载体晶片的表面上。 处理晶片表面可以包括形成应力补偿层,以抵消在随后的步骤中形成的MEMS镜的物理效应。 该方法可以形成用于反射镜的多层导电弹簧结构,每个弹簧具有用于激励梳状驱动器的第一导电层,赋予恢复力的第二导电层以及第一和第二导电层之间的绝缘层。
    • 19. 发明授权
    • Imaging system with low noise pixel array column buffer
    • 具有低噪声像素阵列列缓冲器的成像系统
    • US07755689B2
    • 2010-07-13
    • US11973034
    • 2007-10-05
    • John C. StevensAdam O. LeeStefan C. LauxtermannAtul Joshi
    • John C. StevensAdam O. LeeStefan C. LauxtermannAtul Joshi
    • H04N3/14H04N5/335H01L31/062H01L31/113H01L27/00
    • H04N5/3575H04N5/378
    • An imaging system includes a row and column array of active pixels, each having an associated pitch. In response to respective control signals, each pixel outputs a reset level which includes noise components, or a signal level which includes signal and noise components. Multiple column buffers, each having a pitch equal to or less than that of a pixel, convey the outputs of respective pixel columns to a bus line. Each buffer comprises ‘odd’ and ‘even’ S&H/CDS circuits, which process the pixel outputs of odd and even rows, respectively. Each S&H/CDS circuit subtracts pixel reset level from signal level to produce an output in which correlated noise is suppressed. Each column buffer includes a buffer amplifier which conveys the output to the bus line. A gain amplifier separate from the column buffers is coupled to the bus line such that it amplifies the outputs of a multiple column buffers.
    • 成像系统包括有源像素的行和列阵列,每个具有相关联的间距。 响应于各个控制信号,每个像素输出包括噪声分量的复位电平或包括信号和噪声分量的信号电平。 具有等于​​或小于像素的间距的多个列缓冲器将各个像素列的输出传送到总线。 每个缓冲器包括分别处理奇数行和偶数行的像素输出的“奇数”和“偶数”S&H / CDS电路。 每个S&H / CDS电路从信号电平中减去像素复位电平,以产生抑制相关噪声的输出。 每列缓冲器包括将输出传送到总线的缓冲放大器。 与列缓冲器分离的增益放大器耦合到总线,使得其放大多列缓冲器的输出。