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    • 32. 发明授权
    • Aqueous dispersions of polyamides
    • 聚酰胺的水分散体
    • US5770680A
    • 1998-06-23
    • US738402
    • 1996-10-25
    • Stephen A. FischerDavid I. DevoreKartar S. AroraReimar Heucher
    • Stephen A. FischerDavid I. DevoreKartar S. AroraReimar Heucher
    • C08J3/07C09J177/00C08G69/08C08G47/08C08G73/10
    • C08J3/07C09J177/00C08J2377/00
    • A process is provided for preparing a dispersion of a polyamide in water, said process comprising: dissolving a polyamide having an amine value of greater than about 2 in an organic solvent to form a solution of said polyamide in said solvent, said polyamide and said solvent being at a temperature below the softening point of, said polyamide during said dissolving, said solution further comprising a surfactant and an inorganic alkaline material, adding sufficient water containing an acid to said solution with mixing to form an oil-in-water dispersion, the temperature of said solution and said water being below the softening point of said polyamide during said adding, the amount of said acid being sufficient to neutralize a portion of said inorganic alkaline material, but insufficient to coagulate said polyamide from the resulting oil-in-water dispersion, and removing at least a major amount of said organic solvent from said oil-in-water dispersion. The resulting dispersion is useful in preparing a coating of the polyamide, which coating is useful as an adhesive.
    • 提供了一种制备聚酰胺在水中的分散体的方法,所述方法包括:将具有大于约2的胺值的聚酰胺溶解在有机溶剂中以形成所述聚酰胺在所述溶剂中的溶液,所述聚酰胺和所述溶剂 在所述溶解期间处于低于所述聚酰胺的软化点的温度下,所述溶液还包含表面活性剂和无机碱性材料,在混合下向所述溶液中加入足够的含有酸的水以形成水包油分散体, 所述溶液的温度和所述水在所述添加期间低于所述聚酰胺的软化点,所述酸的量足以中和所述无机碱性物质的一部分,但不足以使所述聚酰胺从所得水包油中凝结 分散,并从所述水包油分散体中除去至少大量的所述有机溶剂。 得到的分散体可用于制备聚酰胺的涂层,该涂层可用作粘合剂。
    • 40. 发明授权
    • System for signal processing using multiply-add operations
    • 使用多重加法运算的信号处理系统
    • US5983257A
    • 1999-11-09
    • US578829
    • 1995-12-26
    • Carole DulongLarry M. MennemeierTuan H. BuiEiichi KowashiAlexander D. PelegBenny EitanStephen A. FischerBenny MaytalMillind Mittal
    • Carole DulongLarry M. MennemeierTuan H. BuiEiichi KowashiAlexander D. PelegBenny EitanStephen A. FischerBenny MaytalMillind Mittal
    • G06F7/544G06F9/302G06F7/00G06F7/52
    • G06F9/30036G06F7/5443G06F9/30014G06F2207/3828
    • A computer system which includes a multimedia input device which generates an audio or video input signal and a processor coupled to the multimedia input device. The system further includes a storage device coupled to the processor and having stored therein a signal processing routine for multiplying and accumulating input values representative of the audio or video input signal. The signal processing routine, when executed by the processor, causes the processor to perform several steps. These steps include performing a packed multiply add on a first set of values packed into a first source and a second set of values packed into a second source each representing input signals to generate a packed intermediate result. The packed intermediate result is added to an accumulator to generate a packed accumulated result in the accumulator. These steps may be iterated with the first set of values and portions of the second set of values to the accumulator to generate the packed accumulated result. Subsequent thereto, the packed accumulated result in the accumulator is unpacked into a first result and a second result and the first result and the second result are added together to generate an accumulated result.
    • 一种计算机系统,其包括产生音频或视频输入信号的多媒体输入设备和耦合到所述多媒体输入设备的处理器。 该系统还包括耦合到处理器并且在其中存储有用于乘以和累加表示音频或视频输入信号的输入值的信号处理例程的存储装置。 信号处理程序在由处理器执行时使处理器执行几个步骤。 这些步骤包括对打包到第一源的第一组值进行压缩乘法加法,并将第二组值打包到表示输入信号的第二源中,以生成打包的中间结果。 将打包的中间结果加到累加器中以在累加器中产生打包累计结果。 这些步骤可以用第一组值和第二组值的部分迭代到累加器,以产生打包的累积结果。 随后,将累加器中的打包累积结果解包成第一结果,将第二结果与第一结果和第二结果相加在一起以产生累积结果。