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    • 61. 发明授权
    • Image sensor and rangefinder device having background subtraction with
paired analog shift registers
    • 具有配对模拟移位寄存器的背景减影的图像传感器和测距仪
    • US4490036A
    • 1984-12-25
    • US409256
    • 1982-08-18
    • Constantine N. Anagnostopoulos
    • Constantine N. Anagnostopoulos
    • G01C3/06G01B11/00G01C3/00G01S17/08G01S17/46G02B7/32H01L27/148G01C3/10G03B7/08
    • G02B7/32G01S17/46H01L27/14825
    • A rangefinder device includes means for projecting a beam of light to illuminate a spot on an object in a scene, an image sensor for sensing an image of the scene, and signal processing means responsive to signals produced by the image sensor for determining the relative location of the illuminated spot in the image of the scene to determine the distance to the object. The rangefinder device features means for removing the contribution due to ambient scene illumination from the photosignals, including an improved image sensor having an array of photosensors and a pair of analog shift registers for receiving the photosignals from the array of photosensors. One of the analog shift registers receives photosignals from the photosensor array when the beam is turned off, and the other analog shift register receives photosignals from the array when the beam is turned on. The shift registers are read out simultaneously and the signals therefrom are differenced to yield a series of photosignals free from background scene information. The difference signals are supplied serially to a peak detector to determine the location of the illuminated spot. In a preferred embodiment, the rangefinder is designed to operate from a single low voltage power source.
    • 测距装置包括用于投射光束以照亮场景中的物体上的斑点的装置,用于感测场景的图像的图像传感器以及响应于由图像传感器产生的信号以确定相对位置的信号处理装置 的场景的图像中的照明斑点以确定到物体的距离。 测距装置具有用于从光信号中去除由于环境场景照明引起的贡献的装置,包括具有光电传感器阵列的改进的图像传感器和用于从光电传感器阵列接收光信号的一对模拟移位寄存器。 其中一个模拟移位寄存器在光束关闭时从光电传感器阵列接收光信号,另一个模拟移位寄存器在光束打开时从阵列接收光信号。 移位寄存器被同时读出并且其信号被差分以产生一系列没有背景场景信息的光信号。 差分信号被串行提供给峰值检测器以确定照明光斑的位置。 在优选实施例中,测距仪设计成从单个低压电源操作。
    • 65. 发明授权
    • Method of manufacturing fluid pump
    • 制造流体泵的方法
    • US06533951B1
    • 2003-03-18
    • US09626874
    • 2000-07-27
    • Michael DebarConstantine N. AnagnostopoulosGilbert A. HawkinsRavi Sharma
    • Michael DebarConstantine N. AnagnostopoulosGilbert A. HawkinsRavi Sharma
    • H01L2100
    • F04B19/24F04B43/043Y10T137/2877Y10T137/85986Y10T137/86155
    • A method of manufacturing a pump [10] for pumping various primary fluids. A body is formed from silicon dies [102,104]. A primary fluid channel [110] is formed in the body and a primary fluid supply [122] is coupled to the primary fluid channel [110] to supply a primary fluid to the primary fluid channel [110]. A mechanism for introducing a secondary fluid to an interface region of the primary fluid channel [110] is formed in the body. An energy delivery device is formed in the body to deliver energy to an interface between region between the primary fluid and the secondary fluid to create a thermal gradient along the fluid interface. The thermal gradient results in a surface tension gradient along the interface. The primary fluid will move to compensate for the surface tension gradient. Various semiconductor fabrication processes can be used to form the elements on the body.
    • 一种用于泵送各种初级流体的泵[10]的制造方法。 一个体由硅模具形成[102,104]。 主体流体通道[110]形成在主体中,主流体供应装置[122]联接到主流体通道[110],以将初级流体供应到主流体通道[110]。 在主体中形成有用于将二次流体引入到主流体通道[110]的界面区域的机构。 能量递送装置形成在主体中以将能量传递到初级流体和次级流体之间的区域之间的界面,以产生沿流体界面的热梯度。 热梯度导致沿着界面的表面张力梯度。 主要流体将移动以补偿表面张力梯度。 可以使用各种半导体制造工艺来在身体上形成元件。
    • 66. 发明授权
    • Continuous ink jet print head having multi-segment heaters
    • 具有多段加热器的连续喷墨打印头
    • US06217163B1
    • 2001-04-17
    • US09221342
    • 1998-12-28
    • Constantine N. AnagnostopoulosJames M. ChwalekGilbert A. Hawkins
    • Constantine N. AnagnostopoulosJames M. ChwalekGilbert A. Hawkins
    • B41J202
    • B41J2/03B41J2/09B41J2/105B41J2002/032B41J2202/16
    • To compensate for droplet placement errors, a continuous ink jet printer includes a heater having a plurality of selectively independently actuated sections which are positioned along respectively different portions of the nozzle bore's perimeter. An actuator selectively activates none, one, or a plurality of the heater sections such that: actuation of heater sections associated with only a portion of the entire nozzle bore perimeter produces an asymmetric application of heat to the stream to control the direction of the stream between a print direction and a non-print direction, and simultaneous actuation of different numbers of heater sections associated with only a portion of the entire nozzle bore perimeter produces corresponding different asymmetric application of heat to the stream to thereby control the direction of the stream between one print direction and another print direction.
    • 为了补偿液滴放置误差,连续喷墨打印机包括具有多个选择性独立致动部分的加热器,其沿着喷嘴孔的周边的不同部分定位。 致动器选择性地激活任何一个,一个或多个加热器部分,使得仅与整个喷嘴孔周边的一部分相关联的加热器部分的致动产生热量对流的不对称施加,以控制流之间的方向 打印方向和非打印方向,并且与仅与整个喷嘴孔周边的一部分相关联的不同数量的加热器部分的同时致动产生热量对流的相应不同的不对称应用,从而控制流在一个 打印方向和其他打印方向。
    • 67. 发明授权
    • Continuous ink jet printer with variable contact drop deflection
    • 连续喷墨打印机具有可变的接触液滴偏转
    • US6012805A
    • 2000-01-11
    • US953525
    • 1997-10-17
    • Gilbert A. HawkinsConstantine N. AnagnostopoulosJames M. ChwalekDavid L. Jeanmaire
    • Gilbert A. HawkinsConstantine N. AnagnostopoulosJames M. ChwalekDavid L. Jeanmaire
    • B41J2/095B41J2/03B41J2/085B41J2/09B41J2/105
    • B41J2/09B41J2/03B41J2002/032B41J2202/16
    • Apparatus is disclosed for controlling ink in a continuous ink jet printer in which a continuous stream of ink is emitted from a nozzle, wherein an ink stream generator establishes a continuous flow of ink in a stream such that the stream breaks up into a plurality of droplets at a position spaced from the ink stream generator. A stream deflector includes a body having a surface positioned adjacent to the stream between the ink stream generator and the position whereat the stream breaks up into droplets such that the stream contacts the surface and is deflected at least in part due to a tendency of liquid to contact a surface in proportion to liquid-solid free energy. The stream may be deflected substantially totally due to a tendency of liquid to contact a surface in proportion to liquid-solid free energy, or may be deflected partially due to a tendency of liquid to contact a surface in proportion to liquid-solid free energy and partially due to a reactive force on the stream exerted by the surface as a result of collision of the stream with the surface.
    • 公开了用于控制连续喷墨打印机中的油墨的装置,其中从喷嘴喷射连续的墨水流,其中油墨流发生器建立流中连续的油墨流,使得流分解成多个液滴 在与墨水流发生器隔开的位置处。 流偏转器包括主体,该主体具有邻近油墨流发生器之间的流定位的位置,并且该流分解成液滴的位置,使得该流接触该表面并由于液体的倾向至少部分地偏转 与液固自由能成比例地接触表面。 由于液体与液体 - 固体自由能成比例地接触表面的倾向,流可以基本上完​​全偏转,或者由于液体与液体 - 固体自由能成比例地接触表面的倾向而部分地偏转, 部分原因是由于流与表面的碰撞而由表面施加的流上的反作用力。
    • 68. 发明授权
    • Method of fabricating a image sensor having ITO electrodes with
overlapping color filters for increased sensitivity
    • 制造具有ITO电极的图像传感器的方法,所述ITO电极具有用于增加灵敏度的重叠滤色器
    • US06001668A
    • 1999-12-14
    • US997495
    • 1997-12-23
    • Constantine N. AnagnostopoulosStephen Lawrence KosmanWin-chyi Chang
    • Constantine N. AnagnostopoulosStephen Lawrence KosmanWin-chyi Chang
    • H01L27/148H01L31/0224H01L21/70
    • H01L31/022466H01L27/14812
    • By incorporating an ITO electrode which is more transparent than polysilicon, and designing the pixel such that it has asymmetric gates with as much as possible of its light sensitive region covered by an ITO electrode, light sensitivity is increased. To solve the problem of impurity diffusion from the ITO electrode into the silicon below, the conventional Silicon Dioxide gate dielectric was replaced with an Oxide/Nitride/Oxide stack. Employing at least some polysilicon electrodes with ITO electrodes is desirable to allow entrance passages through which hydrogen passivation can be accomplished. The pixel architecture can be designed to increase sensitivity further by other design choices. The first of these choices is to incorporate a lenslet on each pixel such that as much as possible of the light falling on the pixel is made to pass through the portion of the pixel covered with ITO. The pixel light sensitivity improves not only because the light passes through the more transparent ITO electrode, but also because some of the light that would have fallen on the LOD region and would be lost, is now collected. The second method is for color CCD sensors with color filter patterns, such as the "BAYER" color filter pattern to name just one, to have the overlap of the color filters, which does not allow light transmission, to occur over the less sensitive area of the pixel, which is the area covered with the polysilicon electrode. For proper operation a slight modification of the vertical clock timing is needed.
    • 通过结合比多晶硅更透明的ITO电极,并且设计像素使其具有尽可能多的由ITO电极覆盖的光敏区域的非对称栅极,增加了光灵敏度。 为了解决从ITO电极到下面的硅的杂质扩散的问题,常规的二氧化硅栅极电介质用氧化物/氮化物/氧化物堆替代。 使用具有ITO电极的至少一些多晶硅电极是期望的,以允许可以实现氢钝化的入口通道。 像素架构可以通过其他设计选择进一步提高灵敏度。 这些选择中的第一个是在每个像素上并入一个小透镜,使得落在像素上的光尽可能地穿过被ITO覆盖的像素的部分。 像素光灵敏度不仅改善了光通过更透明的ITO电极,而且还因为一些将落在LOD区域上并将被丢失的光线被收集。 第二种方法是用于具有彩色滤光片图案的彩色CCD传感器,例如“BAYER”彩色滤光片图案,其名称仅为一个,以便在较不敏感的区域上发生不允许透光的滤色器的重叠 的像素,其是被多晶硅电极覆盖的区域。 为了正确操作,需要稍微修改垂直时钟时序。
    • 69. 发明授权
    • Interline sensor employing photocapacitor gate
    • 线间传感器采用光电容栅极
    • US5825840A
    • 1998-10-20
    • US636434
    • 1996-04-23
    • Constantine N. Anagnostopoulos
    • Constantine N. Anagnostopoulos
    • G11C19/28H01L27/148H01L31/0224H01L29/768
    • H01L31/022466G11C19/282H01L27/14843
    • An interline sensor is constructed using photocapacitors. The vertical shift register of the interline sensor is operated in a uniphase mode, i.e., holding one of the two phase (.O slashed.2) at a D.C. potential while fluctuating the other phase (.O slashed.1) between a voltage that is sufficiently above and below that D.C. potential to facilitate transfer of charge from one phase to the next. The uniphase mode is facilitated by a single electrode that covers both the phase that is held at a constant D.C. potential and the photodetector having photocapacitor charges. The single electrode in the preferred embodiment is an indium tin oxide electrode. The charges are transferred from the photocapacitors to the vertical shift register by a third level clock into .O slashed.1 adjacent the photodetectors. It is also proposed that the same ITO electrode be utilized to for phase 2 of both the vertical and horizontal CCD shift registers. Furthermore, to avoid having to separate the ITO electrode into the photocapacitor gate and the phase 2 gate, it is proposed that no cut is made within the electrode and that the vertical register be operated in the uniphase mode. That is the ITO electrode is biased to voltage of about -5 volts. It is important that the photocapacitor accumulation potential be about -4 volts so that its surface remains accumulated at all times and thus the dark current remains low. The horizontal register can be operated in the standard two phase mode so that the electrical noise in the video signal is maintained at a low level.
    • 使用光电容器构建行间传感器。 行间传感器的垂直移位寄存器以单相模式工作,即将两相(+527 2)中的一个保持在直流电位,同时使另一相(+527 1)波动在足够高于 低于该直流电位以便于将电荷从一个相转移到下一个相。 通过覆盖保持在恒定直流电位的相位和具有光电荷电荷的光电检测器的单个电极来促进单相模式。 在优选实施例中的单电极是氧化铟锡电极。 电荷从光电承载器转移到垂直移位寄存器,第三级时钟与光电检测器相邻的+527 1。 还提出将相同的ITO电极用于垂直和水平CCD移位寄存器的相位2。 此外,为了避免必须将ITO电极分离成光电容栅极和相位2栅极,建议在电极内不进行切割,并且垂直寄存器以单相模式操作。 那就是将ITO电极偏压到大约-5伏的电压。 重要的是,光电荷堆积电位为约-4伏,使得其表面始终保持累积,因此暗电流保持低电平。 水平寄存器可以在标准的两相模式下工作,使得视频信号中的电噪声保持在低电平。