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    • 2. 发明授权
    • Frequency generation circuit and method of operating a tranceiver
    • 频率发生电路及操作收发器的方法
    • US06564039B1
    • 2003-05-13
    • US09515728
    • 2000-02-29
    • Richard B. MeadorRonald H. DeckDavid J. GrahamDavid H. MinasiBrian Shelton
    • Richard B. MeadorRonald H. DeckDavid J. GrahamDavid H. MinasiBrian Shelton
    • H04B140
    • H04B1/406H03L7/23H04B2001/0491
    • A frequency generation circuit includes an oscillator (403), a comparator (413) coupled to the oscillator, a first divider (407) coupled to the comparator, a PLL (400) coupled to the first divider, a second divider (422) coupled to the PLL, a first multiplexor (409) coupled to the second divider, a third divider (408) coupled to the comparator and the first multiplexor, a second multiplexor (410) coupled to the comparator and the reference clock PLL, a fourth divider (411) coupled to the second multiplexor, a fifth divider (412) coupled to the comparator, and a seventh divider (450) coupled to the comparator. A method of operating a transceiver includes using the frequency generation circuit to provide a first clock signal, a second clock signal, a first reference frequency, and a second reference frequency for a first component, a second component, a third component, and a fourth component, respectively, of the transceiver.
    • 频率发生电路包括振荡器(403),耦合到振荡器的比较器(413),耦合到比较器的第一分频器(407),耦合到第一分频器的PLL(400),耦合到第一分频器 耦合到所述PLL,耦合到所述第二分频器的第一多路复用器(409),耦合到所述比较器和所述第一多路复用器的第三分频器(408),耦合到所述比较器和所述参考时钟PLL的第二多路复用器(410) (411),耦合到所述第二多路复用器,耦合到所述比较器的第五分频器(412)和耦合到所述比较器的第七分频器(450)。 操作收发器的方法包括使用频率产生电路为第一组件,第二组件,第三组件和第四组件提供第一时钟信号,第二时钟信号,第一参考频率和第二参考频率 分别为收发器。
    • 5. 发明授权
    • Relaxation machine
    • 放松机
    • US4483327A
    • 1984-11-20
    • US389030
    • 1982-06-16
    • David J. GrahamBruce C. Lloyd
    • David J. GrahamBruce C. Lloyd
    • A61H1/00A61H1/02
    • A61H1/001A61H2203/0456
    • A machine for relieving stress and anxiety in the absence of any electric field having a transporting device with a supportive surface adapted to carry a human body through a circular movement. A rotary drive mechanism moves the transport device along a circular path. In one embodiment the supportive surface is elongate and carries the human body in the reclining position. In this embodiment the transport device rotates in a vertical plane about a horizontal axis. In another embodiment the transport device is in the form of a chair adapted to carry a sitting human body. In the latter embodiment, the chair rotates in a horizontal plane about a vertical axis. A mechanical linkage is connected to the transport device to maintain the same directional orientation of the supportive surface as the transport device moves along the circular path. A method for relieving stress in a human body using the two forms of the machine is also taught.
    • 一种用于在没有任何电场的情况下减轻压力和焦虑的机器,其具有带有适于通过圆周运动携带人体的支撑表面的运送装置。 旋转驱动机构沿着圆形路径移动输送装置。 在一个实施例中,支撑表面是细长的,并且将人体运载在倾斜位置。 在该实施例中,输送装置围绕水平轴线在垂直平面中旋转。 在另一个实施例中,输送装置是适于承载坐在人体的椅子的形式。 在后一实施例中,椅子围绕垂直轴在水平面上旋转。 机械联动装置连接到运输装置以保持支承表面的相同方向取向,因为运输装置沿着圆形路径移动。 还教导了使用该机器的两种形式来减轻人体内的应力的方法。
    • 6. 发明授权
    • Electromechanical therapeutic apparatus
    • 机电治疗仪
    • US4256095A
    • 1981-03-17
    • US955141
    • 1978-10-26
    • David J. Graham
    • David J. Graham
    • A61G7/00A61H1/00A61N1/00A61N1/40
    • A61N1/40A61G7/00A61H1/001A61N1/00
    • Apparatus for treating a human subject in controllable gravitational and electrical fields includes a platform that is adapted to carry the body in a prostrate position. The platform is cyclically and uniformly displaced about a fixed horizontal axis by support means that are rotatably coupled to the platform and driven by a motor through a speed reducer. An AC generator is mounted under the platform and produces a low frequency signal connected across a pair of electrodes located at opposite ends of the platform. As the platform is displaced, the body is subjected to a uniformly varying gravitational field together with a low energy electrical field between the electrodes which produce in the subject a feeling of well-being and relaxation.
    • 用于在可控重力和电场中治疗人类受试者的装置包括适于将身体携带在匍匐位置的平台。 平台通过支撑装置围绕固定水平轴线周期性和均匀地移位,支撑装置可旋转地联接到平台并通过减速器由电动机驱动。 交流发电机安装在平台下方,并产生连接在位于平台两端的一对电极的低频信号。 当平台移位时,身体与电极之间的低能量电场一起受到均匀变化的引力场,从而在受试者中产生幸福感和放松感。
    • 9. 发明授权
    • Condensation of vapor of organic liquids
    • 有机液体蒸气冷凝
    • US4188793A
    • 1980-02-19
    • US818807
    • 1977-07-25
    • Richard W. WatsonWilliam J. GrantDavid J. Graham
    • Richard W. WatsonWilliam J. GrantDavid J. Graham
    • B01D5/00C07C17/38F25J3/06F17C7/02F17C13/00F25D15/00
    • C07C17/38B01D5/0012B01D5/0051B01D5/0057B01D5/0084
    • In a process for condensing the vapor of a volatile liquid, such as vinyl chloride monomer, a gaseous mixture comprising the vapor of the volatile liquid and a non-flammable gas, such as nitrogen, is heat exchanged with a liquid refrigerant or vapor evolved therefrom, or both, the heat exchange being performed such that condensate of the vapor of the volatile liquid is produced at a directly or indirectly controlled temperature which is between the boiling point of the volatile liquid at atmospheric pressure and the boiling point of the refrigerant at atmospheric pressure and which is also between the boiling and freezing points of the volatile liquid at the prevailing pressure at which the condensate is formed, the non-flammable gas remaining uncondensed; the condensate is collected; the uncondensed gas is warmed to a temperature, and then vented to the atmosphere.
    • 在将诸如氯乙烯单体的挥发性液体的蒸气冷凝的过程中,包含挥发性液体的蒸汽和不可燃气体(例如氮气)的气体混合物与液体制冷剂或从其中产生的蒸气进行热交换 或两者,进行热交换,使得在直接或间接控制的温度下产生挥发性液体的蒸汽的冷凝物,该温度在大气压下在挥发性液体的沸点和制冷剂在大气压下的沸点之间 并且在形成冷凝物的主要压力下也在挥发性液体的沸点和凝固点之间,不可燃气体保持不冷凝; 收集冷凝水; 将未冷凝的气体加热至温度,然后排放到大气中。