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    • 2. 发明授权
    • Pixel elements having resistive divider elements
    • 具有电阻分压元件的像素元件
    • US5572344A
    • 1996-11-05
    • US368131
    • 1995-01-03
    • Warren B. JacksonDavid K. BiegelsenDavid A. JaredRichard L. Weisfield
    • Warren B. JacksonDavid K. BiegelsenDavid A. JaredRichard L. Weisfield
    • G02F1/133G02F1/1343G09F9/30G02F1/1393
    • G02F1/134309
    • Pixel elements capable of imaging spatial intensity variations within themselves, and displays comprised of such elements, are described. The pixel elements include a resistance layer disposed between at least one set of electrodes. Over that resistance layer is a liquid crystal material. Over that liquid crystal material is a field electrode. In operation a voltage, whose components are referenced to the field electrode, is applied across the resistance layer. The resulting current flow induces a spatially varying electric field between the field electrode and the resistance layer. That spatially varying electric field results in a corresponding response by the liquid crystal layer which results in a spatially varying light transmission through the liquid crystal material. By varying the voltage across the resistance layer and/or the voltage applied to the field electrode varying amounts of light transmission can be achieved.
    • 描述了能够对其内的空间强度变化进行成像的像素元件以及由这些元件组成的显示器。 像素元件包括设置在至少一组电极之间的电阻层。 在该电阻层之上是液晶材料。 在该液晶材料上是场电极。 在操作中,其分量参考场电极的电压跨越电阻层施加。 所得到的电流在场电极和电阻层之间引起空间变化的电场。 该空间变化的电场导致液晶层的相应响应,这导致通过液晶材料的空间变化的光透射。 通过改变跨越电阻层的电压和/或施加到场电极的电压可以实现不同的光透射量。
    • 3. 发明授权
    • Integrating hyperacuity sensors and arrays thereof
    • 整合超声传感器及其阵列
    • US5578837A
    • 1996-11-26
    • US368114
    • 1995-01-03
    • Warren B. JacksonDavid K. BiegelsenRichard L. Weisfield
    • Warren B. JacksonDavid K. BiegelsenRichard L. Weisfield
    • H01L27/146H01L31/02H01L31/10H01L29/04H01L31/036H01L31/0376H01L31/20
    • H01L27/14665H01L31/02024
    • Sensor elements which are capable of sensing illumination edges with subpixel accuracy are described. The sensor elements include a plurality of conductive storage nodes and a plurality of collection electrodes which are in a low resistance, touching relationship with a first semiconductive material layer. A second semiconductive material layer is placed over the first such that the first and second semiconductive material layers and the storage nodes form light sensors. Near the first semiconductive layer is a gate electrode. When a first voltage is applied to the gate electrode the resistance of the first semiconductive material layer between the storage nodes and the conductive collection electrodes is high. Illumination which strikes the sensor element creates electron hole pairs which induce charges on the storage nodes. When a second voltage is applied to the gate electrode the resistance of the first semiconductive material layer between the storage nodes and the conductive collection electrodes becomes low. Charges which have accumulated onto the storage nodes can then easily flow to the conductive collection electrodes.
    • 描述了能够感测亚像素精度的照明边缘的传感器元件。 传感器元件包括多个导电存储节点和与第一半导体材料层处于低电阻,触摸关系的多个收集电极。 第二半导体材料层放置在第一半导体材料层上,使得第一和第二半导体材料层和存储节点形成光传感器。 靠近第一半导体层是栅电极。 当向栅电极施加第一电压时,存储节点与导电收集电极之间的第一半导体材料层的电阻高。 撞击传感器元件的照明产生在存储节点上引起电荷的电子空穴对。 当向栅电极施加第二电压时,存储节点和导电收集电极之间的第一半导体材料层的电阻变低。 积聚在存储节点上的电荷然后可以容易地流到导电收集电极。
    • 8. 发明授权
    • Fast variable flow microelectromechanical valves
    • 快速变流微机电阀门
    • US6089534A
    • 2000-07-18
    • US4520
    • 1998-01-08
    • David K. BiegelsenWarren B. JacksonPatrick C. P. CheungEric Peeters
    • David K. BiegelsenWarren B. JacksonPatrick C. P. CheungEric Peeters
    • B65H5/22F16K7/00F16K31/06
    • B65H5/228F16K99/0015B65H2406/11B65H2406/414
    • A variable fluid flow valve is disclosed. The valve can be batch fabricated in two dimensional valve arrays, with all valves in the array being controlled in parallel to achieve high flow rates without increasing response time. Typically, each valve includes a valve housing having an aperture plate defining an elongated aperture therethrough, and an opposing plate positioned in spaced apart relationship to the aperture plate. In one embodiment a flexible film or strip is attached at its first end to the aperture plate and at its second end to the opposing plate. In another embodiment of the invention, the flexible film is attached at only one end and is free to move at the other end. In both types of valves, valve action is provided by using electrodes to variably move the flexible film from an aperture blocking to an aperture non-blocking position. The flexible film may be moved in a continuously variable manner or a discretely variable manner, depending upon the electrode configuration. Binary valves in matrixes may also be used with the elongated opening.
    • 公开了一种可变流体流量阀。 该阀可以批量制造在二维阀阵列中,阵列中的所有阀并联控制以实现高流速而不增加响应时间。 通常,每个阀包括具有限定穿过其中的细长孔的孔板的阀壳体和与孔板间隔开的关系。 在一个实施例中,柔性膜或带在其第一端附接到孔板并且在其第二端处连接到相对的板。 在本发明的另一个实施例中,柔性膜仅在一端附接并在另一端自由移动。 在两种类型的阀中,通过使用电极来将柔性膜从孔径阻挡可变地移动到孔阻塞位置来提供阀动作。 取决于电极配置,柔性膜可以以连续可变的方式或离散地变化的方式移动。 基体中的二元阀也可以与细长的开口一起使用。
    • 10. 发明授权
    • Analog glyph detector and detector arrays
    • 模拟字形检测器和检测器阵列
    • US5864127A
    • 1999-01-26
    • US728654
    • 1996-10-10
    • Warren B. JacksonDavid K. BiegelsenDavid A. JaredRichard G. Stearns
    • Warren B. JacksonDavid K. BiegelsenDavid A. JaredRichard G. Stearns
    • G06K7/00G06K7/10G06T1/00
    • G06K7/143G06K7/10722
    • Bands of predetectors (92) detect the approach of lines of glyphs (12, 14) within an image being scanned. Linear lines or arrays of glyph detectors (116, 118, 120) are sampled in accordance with the detected approach of lines of glyphs. Each detector array includes a plurality of analog glyph detectors (20, 50) which respond to the presence of glyphs with a characteristic analog output. Preferably, the glyph detectors generate a corresponding analog output of a first polarity or other characteristic in response to glyphs of a first orientation and an output of a second polarity or characteristic in response to glyphs of a second orientation. The analog signals which are characteristic of the detection of a glyph are converted into binary 1's and 0's in accordance with the polarity or other characteristic of the signals. In this manner, glyphs are detected by analog detectors and the information encoded in the glyphs is directly output as a binary signal without computer analysis of the image.
    • 预先检测器带(92)检测正在扫描的图像内的字形线(12,14)的接近。 根据检测到的字形线的方法对线性线或字形检测器(116,118,120)的阵列进行采样。 每个检测器阵列包括多个模拟字形检测器(20,50),其响应于具有特征模拟输出的字形的存在。 优选地,字形检测器响应于第一取向的字形和响应于第二取向的字形的第二极性或特性的输出而产生第一极性或其他特性的相应模拟输出。 根据信号的极性或其他特性,将检测字形的特征的模拟信号转换为二进制1和0。 以这种方式,通过模拟检测器检测字形,并且在字形中编码的信息直接作为二进制信号输出,而不对图像进行计算机分析。