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    • 81. 发明申请
    • Multiple channel programmable gamma correction voltage generator
    • 多通道可编程伽玛校正电压发生器
    • US20050057482A1
    • 2005-03-17
    • US10766197
    • 2004-01-28
    • Douglas YoungbloodSteven Smith
    • Douglas YoungbloodSteven Smith
    • G09G3/36
    • G09G3/3688G09G2310/027G09G2320/0247G09G2320/0276G09G2320/0606G09G2320/0673
    • A multiple channel programmable gamma correction voltage generator including a resistor ladder, buffers, select logic, and a programmable non-volatile memory device. The memory provides select values indicative of one or more stored gamma correction values. The resistor ladder includes adjustable tap resistors distributed along the resistor ladder. The adjustable tap resistors provide multiple tap voltages distributed according to the gamma correction value. The buffers receive the tap voltages and provide gamma correction voltages. The select logic selects tap points of the adjustable tap resistors to select the tap voltages based on the select values stored in the memory. Additional resistors and switch logic may be included to enable re-positioning of the adjustable tap resistor within the resistor ladder. Latches and address control may be provided on the memory to enable programming and selection of multiple gamma correction values.
    • 多通道可编程伽玛校正电压发生器,包括电阻梯形图,缓冲器,选择逻辑和可编程非易失性存储器件。 存储器提供指示一个或多个存储的伽马校正值的选择值。 电阻梯包括沿电阻梯分布的可调节分接电阻器。 可调节抽头电阻提供根据伽马校正值分布的多个抽头电压。 缓冲器接收抽头电压并提供伽马校正电压。 选择逻辑选择可调节抽头电阻的抽头,根据存储在存储器中的选择值来选择抽头电压。 可以包括附加的电阻和开关逻辑,以使可调节抽头电阻器能够重新定位在电阻梯内。 可以在存储器上提供锁存和地址控制以使得能够编程和选择多个伽马校正值。
    • 82. 发明申请
    • Phase change solvents for thermoplastic polymers
    • 热塑性聚合物的相变溶剂
    • US20050032969A1
    • 2005-02-10
    • US10936938
    • 2004-09-09
    • Mark HamerskySteven Smith
    • Mark HamerskySteven Smith
    • C08J3/09C08K5/12D01F1/04
    • C08J3/091C08K5/12
    • Phase change solvents for thermoplastic polymers to provide blended compositions. Above the phase change temperature of the solvent, the phase change solvent solubilizes or intimately mixes with the thermoplastic polymer. Below the phase change temperature of the solvent, the phase change solvent solidifies or crystallizes within the thermoplastic matrix. The phase change behavior of these materials produce blended compositions that exhibit lowered shear viscosity and lowered processing temperature without substantially compromising mechanical properties of the thermoplastic polymer, such as hardness. The present invention also relates to a method of improving the processability of a thermoplastic polymer using the phase change solvent.
    • 用于热塑性聚合物的相变溶剂以提供混合组合物。 在溶剂的相变温度之上,相变溶剂溶解或与热塑性聚合物紧密混合。 在溶剂的相变温度以下,相变溶剂在热塑性基体内凝固或结晶。 这些材料的相变行为产生显示出降低的剪切粘度和降低加工温度而不会基本上损害热塑性聚合物的机械性能例如硬度的共混组合物。 本发明还涉及使用相变溶剂改善热塑性聚合物的加工性能的方法。
    • 85. 发明授权
    • Method and apparatus for accurately dispensing liquids and solids
    • 精确分配液体和固体的方法和设备
    • US06286566B1
    • 2001-09-11
    • US09677932
    • 2000-10-03
    • David J. ClineSteven SmithTimothy S. Clark
    • David J. ClineSteven SmithTimothy S. Clark
    • B65B104
    • B05C5/0225B01F5/0615B01F15/0251B05C11/1005B29B7/726B29B7/728B29B7/748F04C2/1073F04C13/001F04C13/002F04C14/06F04C14/08F04C2210/24F04C2210/44F04C2220/24F04C2270/00
    • A system for metering and dispensing single and plural component liquids and solids as described herein. The dispensing system has a microprocessor-based control system and volumetrically efficient non-reciprocating pumps which provide a very accurate control of component ratios, shot sizes, flow rates and dispense durations. The dispensing system maintains constant pressure between the output of the pump and the dispense head. The progressive cavity pump is formed from individual, interlocking pressure sections, each of which has a double helix bore. A rotor is inserted into the double helix bore with an interference fit. The dispense head has no dynamic fluid sealing surfaces and instead uses bellows as a sealing mechanism. The dispensing system includes a simple, easy to use calibration procedure and a weight scale. The system also has numerous feedback components for accurately controlling the pressure, flow rates, fluid levels and amounts of fluids dispensed
    • 用于计量和分配如本文所述的单组分和多组分液体和固体的系统。 分配系统具有基于微处理器的控制系统和体积有效的非往复泵,其提供组件比率,喷射尺寸,流速和分配持续时间的非常精确的控制。 分配系统在泵的输出和分配头之间保持恒定的压力。 逐行空腔泵由独立的互锁压力段形成,每个压力段具有双螺旋孔。 转子以过盈配合插入双螺旋孔中。 分配头没有动态流体密封面,而是使用波纹管作为密封机构。 分配系统包括简单易用的校准程序和重量秤。 该系统还具有许多反馈组件,用于精确控制分配的流体的压力,流速,流体水平和量