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    • 61. 发明授权
    • One-way synchronization of a two-way QKD system
    • 双向QKD系统的单向同步
    • US07450718B2
    • 2008-11-11
    • US11071696
    • 2005-03-03
    • Jonathan YoungMichael J. Lagasse
    • Jonathan YoungMichael J. Lagasse
    • G06F9/00
    • H04L9/0852H04L9/12
    • A method of synchronizing the operation of a two-way QKD system by sending a sync signal (SC) in only one direction, namely from one QKD station (ALICE) to the other QKD station (BOB). The one-way transmission greatly reduces the amount of light scattering as compared to two-way sync signal transmission. The method includes phase-locking the sync signal at BOB and dithering the timing of the quantum signals so as to operate the QKD system in three different operating states. The number of detected quantum signals is counted for each state for a given number of detector gating signals. The QKD system is then operated in the state associated with the greatest number of detected quantum signals. This method is rapidly repeated during the operation of the QKD system to compensate for timing errors to maintain the system at or near its optimum operating state. The method allows for only having to adjust the timing of a single timed element—namely, the quantum laser—to compensate for timing variations, rather than having to adjust the timing of all or some of the timed elements in the QKD system.
    • 一种通过仅在一个方向(即从一个QKD站(ALICE)到另一个QKD站(BOB))发送同步信号(SC)来同步双向QKD系统的操作的方法。 与双向同步信号传输相比,单向传输大大减少了光散射量。 该方法包括在BOB处对同步信号进行锁相和抖动量子信号的定时,以便在三种不同的工作状态下操作QKD系统。 对于给定数量的检测器门控信号,针对每个状态计数检测到的量子信号的数量。 然后,QKD系统在与最大数量的检测到的量子信号相关联的状态下运行。 该方法在QKD系统的操作期间快速重复以补偿定时误差,以将系统维持在或接近其最佳操作状态。 该方法仅允许调整单个定时元件(即量子激光器)的定时,以补偿定时变化,而不必调整QKD系统中所有或部分定时元件的定时。
    • 63. 发明申请
    • Detector autocalibration in qkd systems
    • 检测器在qkd系统中自动校准
    • US20070133799A1
    • 2007-06-14
    • US10578155
    • 2004-01-29
    • Harry VigJonathan YoungPaul Junkovich
    • Harry VigJonathan YoungPaul Junkovich
    • H04K1/00
    • H04B10/70H04L9/0852
    • A method (300) of performing photon detector autocalibration in quantum key distribution (QKD) system (200) is disclosed. The method (300) includes a first act (302) of performing a detector gate scan to establish the optimum arrival time of a detector gate pulse (S3) that corresponds with a maximum number of photon counts (NMAX) from a single-photon detector (216) in the QKD system (200). Once the optimal detector gate pulse arrival time is determined, then in an act (306), the detector gate scan is terminated and in an act (308) a detector gate dither process is initiated. The detector gate dither act (308) involves varying the arrival time (T) of the detector gate pulse (S3) around the optimal value of the arrival time established during the detector gate scan process. The detector gate dither provides minor adjustments to the arrival time to ensure that the detector (216) produces maximum number of photon counts (NMAX).
    • 公开了一种在量子密钥分配(QKD)系统(200)中执行光子检测器自动校准的方法(300)。 方法(300)包括执行检测器门扫描的第一动作(302),以建立与最大光子计数数量相对应的检测器门脉冲(S 3)的最佳到达时间(N MAX) )从QKD系统(200)中的单光子检测器(216)传送。 一旦确定了最佳检测器门脉冲到达时间,则在动作(306)中,检测器门扫描被终止,并且在动作(308)中,启动检测器门抖动处理。 检测器门抖动动作(308)涉及在检测器门扫描过程中建立的到达时间的最佳值周围改变检测器门脉冲(S 3)的到达时间(T)。 检测器门抖动对到达时间进行了微小的调整,以确保检测器(216)产生最大数量的光子计数(N MAX MAX)。
    • 65. 发明申请
    • Vehicle heater and controls therefor
    • 车辆加热器及其控制
    • US20050039716A1
    • 2005-02-24
    • US10942810
    • 2004-09-17
    • Jonathan YoungDouglas PaulAngelo Faccone
    • Jonathan YoungDouglas PaulAngelo Faccone
    • F27D99/00F23N3/08F02N17/02
    • B60H1/2209B60H1/2206F23N3/082F23N5/203F23N2023/04F23N2023/08F23N2027/10F23N2031/10F23N2033/08F23N2041/14
    • A heater for a liquid has a combustion chamber, a jacket for the liquid extending about the combustion chamber and a burner head assembly connected to the combustion chamber. The burner head assembly includes a housing having a burner mounted thereon and a hollow interior. A control module and a fan are mounted in the hollow interior, the fan being connected to an electric motor. A compressor and a fuel pump are mounted on the housing and are operatively connected to the electric motor. The control module may include controls for exercising components of the heater prior to combustion, thereby verifying operation of these components. Preferably there is a speed control for the motor, such as a closed loop speed control which regulates motor speed and accordingly output of the heater. Preferably there is a backup system using a lookup table in the event that the closed loop speed control fails. Also preferably there is provision for monitoring flame sensor functionality by providing an indicator light which mirrors operation of the flame sensor. The heater may have a selective soft start for the coolant pump which operates only when required so as to reduce unnecessary chatter on the motor relay. A system is also provided for distinguishing true overcurrent faults from overcurrents arising from voltage changes during starting of the vehicle engine. Reignition algorithms are provided to restart the burner in the event of flame sputters caused, for example, by fuel bubbles, but shut off the heater in the event that the fuel is truly cut off.
    • 用于液体的加热器具有燃烧室,用于围绕燃烧室延伸的液体的护套和连接到燃烧室的燃烧器头组件。 燃烧器头组件包括具有安装在其上的燃烧器和中空内部的壳体。 控制模块和风扇安装在中空内部,风扇连接到电动机。 压缩机和燃料泵安装在壳体上并且可操作地连接到电动机。 控制模块可以包括用于在燃烧之前锻炼加热器的部件的控制,从而验证这些部件的操作。 优选地,存在用于电动机的速度控制,例如调节电动机速度并因此输出加热器的闭环速度控制。 优选地,在闭环速度控制失败的情况下,存在使用查找表的备份系统。 还优选地,通过提供反映火焰传感器的操作的指示灯来监视火焰传感器功能。 加热器可以具有用于仅在需要时操作的冷却剂泵的选择性软启动,以便减少马达继电器上的不必要的颤动。 还提供一种系统,用于区分真实的过电流故障与车辆发动机启动期间电压变化引起的过电流。 提供重燃算法以在例如由燃料气泡导致的火焰喷溅器的情况下重新启动燃烧器,但是在燃料被真正切断的情况下关闭加热器。
    • 66. 发明授权
    • Temperature maintaining apparatus and temperature control apparatus and method therefor
    • 温度保持装置及温度控制装置及其方法
    • US06766962B2
    • 2004-07-27
    • US10195145
    • 2002-07-15
    • Douglas Thompson PaulJonathan YoungAngelo Faccone
    • Douglas Thompson PaulJonathan YoungAngelo Faccone
    • G05D1500
    • G05D23/1951G05D23/1917
    • A method and apparatus are provided for maintaining a temperature between a first value and a second value. The method and apparatus utilize a heat transfer device capable of cycling through a series of cycles, the device being capable of changing the temperature from the second value to the first value when operational. During each cycle the device transfers heat for a first period of time when the temperature reaches the second volume until the first value is reached and thereafter the device stops transferring heat. The first period of time is compared to a desired cycle-on period of time during each cycle and the second temperature value then is adjusted for a subsequent cycle of the device so the first period of time when the device transfers heat approaches the desired cycle-on period of time. There may also be provided temperature controls for a liquid heater having a jacket containing the liquid. The jacket has an inner heated wall and an outer wall spaced apart from the inner wall. The controls include a temperature sensor capable of fitting to the jacket so that the sensor contacts the inner wall and the liquid. A control module monitors temperature sensed by the temperature sensor. The control module causes the heater to stop heating when the temperature is heated by the heater to a first value and causes the heater to heat when the liquid cools to a second value lower than the first value. The control module senses overheating when temperature sensed by the sensor increases to a third value, higher than the first value, when the heater is not heating, and then causes the heater to shut down.
    • 提供了一种用于将温度保持在第一值和第二值之间的方法和装置。 该方法和装置利用能够循环通过一系列循环的传热装置,该装置能够在操作时将温度从第二值改变为第一值。 在每个循环期间,当温度达到第二个体积直到达到第一个值之后,装置传递热量一段时间,然后装置停止传热。 将第一时间段与每个循环期间的期望周期开始周期进行比较,然后针对装置的随后循环调整第二温度值,使得当装置传递热量的第一时间段接近期望的循环周期时, 在一段时间内 还可以提供具有含有液体的护套的液体加热器的温度控制。 护套具有内壁加热壁和与内壁间隔开的外壁。 控制装置包括一个温度传感器,能够装配到外壳上,使得传感器接触内壁和液体。 控制模块监视由温度传感器感测到的温度。 当温度被加热器加热到第一值时,控制模块使加热器停止加热,并且当液体冷却到低于第一值的第二值时,使加热器加热。 当加热器不加热时,控制模块感测到传感器温度升高到第三个值时高于第一个值,然后使加热器关闭。
    • 69. 发明授权
    • System and method for facilitating correct gear meshing and clutch
engagement in vehicles
    • 用于促进车辆中正确齿轮啮合和离合器接合的系统和方法
    • US4947681A
    • 1990-08-14
    • US351426
    • 1989-05-12
    • Jonathan Young
    • Jonathan Young
    • F16H61/04F16H61/68F16H61/682F16H63/42
    • F16H63/42F16H61/04F16H61/68F16H61/682
    • A technique for facilitating correct meshing of transmission gears and smooth clutch engagement in vehicles that require driver synchronization of speeds of transmission mating gears. The technique includes an arrangement for ascertaining vehicle road speed, an arrangement for automatically selecting a recommended gear based on the vehicle road speed and informing the driver of the selection. An arrangement is also provided for calculating the ideal engine rpm based on the selected recommended gear and informing the driver of the ideal rpm. During operation, the operator adjusts the engine rpm to substantially match said ideal engine rpm to smoothly mesh the vehicle in the recommended gear. In an alternative embodiment, the dual needle tachometer is used to display actual engine crankshaft and transmission input shaft speeds respectively to facilitate smooth clutch engagement in the vehicle.
    • 一种用于促进传动齿轮的正确啮合和在需要驾驶员同步传动配合齿轮的速度的车辆中的平稳离合器接合的技术。 该技术包括用于确定车辆道路速度的装置,用于基于车辆道路速度自动选择推荐档位并通知驾驶员该选择的装置。 还提供了一种基于所选推荐齿轮计算理想发动机转速并通知驾驶员理想转速的装置。 在操作期间,操作者调整发动机转速,使之基本匹配所述理想发动机转速,以平滑地将车辆以推荐档位进行啮合。 在替代实施例中,双针转速表用于分别显示实际的发动机曲轴和变速器输入轴速度,以便于在车辆中平稳地离合器接合。