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    • 1. 发明授权
    • Methods and compositions for improving air entrainment in cementitious mixtures
    • 改善水泥混合物中空气夹带的方法和组合物
    • US08287639B2
    • 2012-10-16
    • US12107797
    • 2008-04-23
    • Charles M. WhiteDean A. OesterGary L. Pritt
    • Charles M. WhiteDean A. OesterGary L. Pritt
    • C04B24/08C04B7/02C04B16/00C04B24/34C04B14/00C04B24/00
    • C04B20/1025C04B20/1022C04B28/02C04B2103/304C04B14/28C04B40/0028
    • A method for improving air entrainment comprising the steps of: providing a compound selected from an amphoteric, an alkyl polyglycoside, an ester, a triglyceride, a triglyceride derivative, a fatty alcohol, an alkoxylated fatty alcohol, an alkoxylated polyhydric fatty alcohol, and mixtures thereof; dispersing the compound on a finely particulate carrier to form a treated carrier; and adding the treated carrier to a cementitious mixture is provided. A composition for improving air entrainment, including a compound selected from an amphoteric, an alkyl polyglycoside, an ester, a triglyceride, a triglyceride derivative, a fatty alcohol, an alkoxylated fatty alcohol, an alkoxylated polyhydric fatty alcohol, and mixtures thereof, wherein the compound is dispersed on an organic particulate carrier and added to a cementitious mixture, is also provided. The composition may be incorporated into a concrete structure.
    • 一种改善空气夹带的方法,包括以下步骤:提供选自两性,烷基多糖苷,酯,甘油三酯,甘油三酯衍生物,脂肪醇,烷氧基化脂肪醇,烷氧基化多元脂肪醇和混合物的混合物 的; 将化合物分散在细颗粒载体上以形成经处理的载体; 并且将经处理的载体加入到水泥混合物中。 一种用于改善空气夹带的组合物,包括选自两性,烷基多糖苷,酯,甘油三酯,甘油三酯衍生物,脂肪醇,烷氧基化脂肪醇,烷氧基化多元脂肪醇及其混合物的化合物,其中 化合物分散在有机颗粒载体上并加入到水泥混合物中。 组合物可以结合到混凝土结构中。
    • 2. 发明申请
    • METHODS AND COMPOSITIONS FOR IMPROVING AIR ENTRAINMENT IN CEMENTITIOUS MIXTURES
    • 用于改善空气混合物在空气混合物中的方法和组合物
    • US20090031924A1
    • 2009-02-05
    • US12107797
    • 2008-04-23
    • Charles M. WhiteDean A. OesterGary L. Pritt
    • Charles M. WhiteDean A. OesterGary L. Pritt
    • C04B24/08C04B7/02C04B24/34
    • C04B20/1025C04B20/1022C04B28/02C04B2103/304C04B14/28C04B40/0028
    • A method for improving air entrainment comprising the steps of: providing a compound selected from an amphoteric, an alkyl polyglycoside, an ester, a triglyceride, a triglyceride derivative, a fatty alcohol, an alkoxylated fatty alcohol, an alkoxylated polyhydric fatty alcohol, and mixtures thereof; dispersing the compound on a finely particulate carrier to form a treated carrier; and adding the treated carrier to a cementitious mixture is provided. A composition for improving air entrainment, including a compound selected from an amphoteric, an alkyl polyglycoside, an ester, a triglyceride, a triglyceride derivative, a fatty alcohol, an alkoxylated fatty alcohol, an alkoxylated polyhydric fatty alcohol, and mixtures thereof, wherein the compound is dispersed on an organic particulate carrier and added to a cementitious mixture, is also provided. The composition may be incorporated into a concrete structure.
    • 一种改善空气夹带的方法,包括以下步骤:提供选自两性,烷基多糖苷,酯,甘油三酯,甘油三酯衍生物,脂肪醇,烷氧基化脂肪醇,烷氧基化多元脂肪醇和混合物的混合物 的; 将化合物分散在细颗粒载体上以形成经处理的载体; 并且将经处理的载体加入到水泥混合物中。 一种用于改善空气夹带的组合物,包括选自两性,烷基多糖苷,酯,甘油三酯,甘油三酯衍生物,脂肪醇,烷氧基化脂肪醇,烷氧基化多元脂肪醇及其混合物的化合物,其中 化合物分散在有机颗粒载体上并加入到水泥混合物中。 组合物可以结合到混凝土结构中。
    • 6. 发明授权
    • Cathode ray tube driver with input black tracking provisions
    • 阴极射线管驱动器带输入黑色跟踪规定
    • US5452020A
    • 1995-09-19
    • US298535
    • 1994-08-30
    • Charles M. White
    • Charles M. White
    • H04N5/14H04N5/16H04N9/72H04N5/57
    • H04N9/72
    • In a video display system including a cathode ray tube (CRT) as a display device and video output amplifiers for amplifying relatively low level red, green an blue video input voltages to produce respective relatively high level video output voltages suitable for application to the CRT, a "black tracking" circuit is coupled to the inputs of video output amplifiers. Voltage to current converters are utilized as preamplifiers for the video output amplifiers. The "black tracking" circuit includes terminating resistors connected at one end to respective outputs of the voltage to current converters for converting output currents of the converters to respective ones of the low level video input voltages, and a common resistor connected between the other ends of the terminating resistors and a signal ground point. A filter capacitor is connected in parallel with the common resistor. A common "black tracking" voltage representative of the average picture level of a reproduced image is developed across the common resistor and, as a result of the connection to individual ones of the terminating resistors, is added to each one of the low level video input voltages at the inputs of respective ones of the video output amplifiers.
    • 在包括作为显示装置的阴极射线管(CRT)和视频输出放大器的视频显示系统中,用于放大相对较低电平的红,绿蓝色视频输入​​电压以产生适合于应用于CRT的相对较高电平的视频输出电压, “黑跟踪”电路耦合到视频输出放大器的输入端。 电压到电流转换器用作视频输出放大器的前置放大器。 “黑跟踪”电路包括在一端连接到电压 - 电流转换器的相应输出端的终端电阻器,用于将转换器的输出电流转换为相应的低电平视频输入电压;以及公共电阻器,其连接在 终端电阻和信号接地点。 滤波电容器与公共电阻并联连接。 在公共电阻器上形成代表再现图像的平均图像电平的常见的“黑色跟踪”电压,并且作为与各个端接电阻器的连接的结果,被添加到每个低电平视频输入 各个视频输出放大器输入端的电压。
    • 7. 发明授权
    • Apparatus and method for recovery of multiphase modulated data
    • 用于恢复多相调制数据的装置和方法
    • US5131014A
    • 1992-07-14
    • US688966
    • 1991-04-19
    • Charles M. White
    • Charles M. White
    • H04L27/233
    • H04L27/2331
    • A method and apparatus are provided for recovering multiphase modulated data. A signal pulse of a fixed duration is generated upon the transition of a first phase component of a multiphase modulated signal transmitted at a fixed bit rate. A data clock signal having a frequency in synchronism with the bit rate is generated in response to an error signal. The data clock signal is delayed by a delay of approximately one half the duration of the signal pulse. The delayed clock is gated using the signal pulse to provide the error signal that establishes the data clock frequency. Components of the multiphase signal are sampled using the phase locked data clock to recover data.
    • 提供了一种用于恢复多相调制数据的方法和装置。 在以固定比特率发送的多相位调制信号的第一相位分量的转变时,产生固定持续时间的信号脉冲。 响应于错误信号产生具有与比特率同步的频率的数据时钟信号。 数据时钟信号延迟了信号脉冲持续时间的大约一半的延迟。 使用信号脉冲对延迟时钟进行门控,以提供建立数据时钟频率的误差信号。 使用锁相数据时钟对多相信号的组件进行采样,以恢复数据。
    • 9. 发明授权
    • Call sharing for inbound and outbound call center agents
    • 入站和出站呼叫中心代理的呼叫共享
    • US5519773A
    • 1996-05-21
    • US255155
    • 1994-06-07
    • Gregory P. DumasMark M. PerkinsCharles M. White
    • Gregory P. DumasMark M. PerkinsCharles M. White
    • H04M3/36H04M3/46H04M3/48H04M3/51H04M3/523
    • H04M3/48H04M3/36H04M3/46H04M3/5158H04M3/523H04M3/5231H04M3/5238
    • Method for multiplexing inbound and outbound calls from a call center to improve the efficiency of call center agents since an idle agent can sometimes place an outbound call rather than wait for another inbound call. A parameter k is used to have an ACD agent place an outbound call instead of waiting to receive an inbound call. Specifically, if more than k agents in an inbound/outbound ACD call group are idle, and no calls are in the inbound call queue, then, in accordance with the present invention, callback or outbound calls are assigned to idle ACD agents until k agents are idle. For example, in a preferred embodiment of the present invention, callback calls will be assigned to an ACD agent before outbound calls. Note that, in accordance with the present invention, at any instant, at most k agents will be idle, because as soon as k+1 agents are idle, an agent will be assigned to a callback or to an outbound call.
    • 用于从呼叫中心复用入站和出站呼叫以提高呼叫中心代理的效率的方法,因为空闲代理有时可以发出出站呼叫,而不是等待另一个入站呼叫。 参数k用于使ACD代理放置出站呼叫,而不是等待接收入站呼叫。 具体来说,如果入站/出站ACD呼叫组中的k个以上的代理空闲,并且呼入呼叫队列中没有呼叫,则根据本发明,回呼或出站呼叫被分配给空闲ACD代理,直到k个代理 闲置 例如,在本发明的优选实施例中,在呼出呼叫之前将回拨呼叫分配给ACD代理。 注意,根据本发明,在任何时刻,由于k + 1代理空闲,一旦代理商将被分配到回呼或出站呼叫,则至多k个代理将处于空闲状态。
    • 10. 发明授权
    • Tri-state video differential driver
    • 三态视频差分驱动器
    • US5448311A
    • 1995-09-05
    • US294146
    • 1994-08-22
    • Charles M. WhiteWilliam A. Lagoni
    • Charles M. WhiteWilliam A. Lagoni
    • H03F3/72H04L12/28H04L12/40H04N5/00H04N5/14H04N5/268H04N5/44H04W84/12H04W88/02
    • H04N5/148H03F3/72
    • A differential current source (50) provides first and second complementary output currents (I1, I2) responsive to a video input signal (S1) which are coupled via respective load networks (52,54) to a common supply terminal (22) and develop first and second complementary video output signals (V1,V2). A first output circuit (56) applies the first output signal to a first output terminal (16) via a voltage follower transistor (Q6) and applies the second output signal to the first output terminal via a current source transistor (Q8). A second output terminal (18) is similarly driven by a second voltage follower transistor (Q5) and a second current source transistor (Q7), all transistors being of the same conductivity type. A tri-state control circuit (Q1,Q2) coupled to the differential current source enables the differential current source in a first operating mode to produce the first and second complementary currents whereby push pull output signals are produced at the output terminals. In a second operating mode, the tri-state control circuit forces the complementary currents to zero whereby the common supply terminal (22) applies turn-off bias via the two load networks to the control electrodes of all of the output transistors thereby "tri-stating" (isolating) the output terminals. Advantageously, in the tri-state mode, there is zero quiescent power dissipation in the output circuits, the load networks, the differential current source and the tri-state control circuit.
    • 差分电流源(50)响应于经由相应的负载网络(52,54)耦合到公共供电端子(22)的视频输入信号(S1)而提供第一和第二互补输出电流(I1,I2)并且显影 第一和第二互补视频输出信号(V1,V2)。 第一输出电路(56)经由电压跟随器晶体管(Q6)将第一输出信号施加到第一输出端子(16),并经由电流源晶体管(Q8)将第二输出信号施加到第一输出端子。 第二输出端子(18)类似地由第二电压跟随器晶体管(Q5)和第二电流源晶体管(Q7)驱动,所有晶体管具有相同的导电类型。 耦合到差分电流源的三态控制电路(Q1,Q2)使得能够在第一操作模式下的差动电流源产生第一和第二互补电流,由此在输出端产生推挽输出信号。 在第二操作模式中,三态控制电路迫使互补电流为零,由此公共供电端子(22)经由两个负载网络将截止偏压施加到所有输出晶体管的控制电极,从而“ 说明“(隔离)输出端子。 有利地,在三态模式中,在输出电路,负载网络,差分电流源和三态控制电路中存在零静态功率耗散。