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    • 6. 发明授权
    • Autofocus z stage
    • 自动对焦z舞台
    • US06717124B2
    • 2004-04-06
    • US10411733
    • 2003-04-11
    • Matthew R. C. AtkinsonOrlin B. Knudson
    • Matthew R. C. AtkinsonOrlin B. Knudson
    • G02B2740
    • G02B7/32G02B21/241
    • The present invention provides for very rapid autofocusing of optical scanning systems. If a sample is sufficiently out of focus, the focal error signal used to focus a conventional half-blocked system can become saturated. Multiple steps toward the focus position then typically are required to bring the system into the operational range. To minimize this, a light adjustment system is provided to reduce the amount of light impinging on the half-blocked system when the focal error signal is at or near saturation. The half-blocked system then becomes primary controller again, and can move the system into a position generally close to the correct focal point. The light adjustment system then can be deactivated, but since the system now is much closer to focus, the half-blocked system can quickly bring the system into final focus. Alternatively, the photodetectors used to generate the focal error signal are segmented. The approximate distance to the correct focal point then is determined by comparing the amount of light detected by segments at different radial positions.
    • 本发明提供了光学扫描系统的非常快速的自动对焦。 如果样品充分失焦,用于聚焦常规半阻塞系统的聚焦误差信号可能会饱和。 通常需要朝向焦点位置的多个步骤才能使系统进入操作范围。 为了最小化这一点,当焦点误差信号处于或接近饱和时,提供调光系统以减少入射在半封闭系统上的光量。 半阻塞系统再次成为主控制器,并且可以将系统移动到通常靠近正确焦点的位置。 然后光调节系统可以被禁用,但是由于系统现在更接近焦点,所以半封闭系统可以快速使系统进入最终焦点。 或者,用于产生焦点误差信号的光电检测器被分段。 然后通过比较由不同径向位置处的段检测到的光的量来确定与正确焦点的近似距离。
    • 7. 发明授权
    • Autofocus Z stage
    • 自动对焦Z舞台
    • US06548795B1
    • 2003-04-15
    • US09441731
    • 1999-11-16
    • Matthew R. C. AtkinsonOrlin B. Knudson
    • Matthew R. C. AtkinsonOrlin B. Knudson
    • G02B2740
    • G02B7/32G02B21/241
    • The present invention provides for very rapid autofocusing of optical scanning systems. If a sample is sufficiently out of focus, the focal error signal used to focus a conventional half-blocked system can become saturated. Multiple steps toward the focus position then typically are required to bring the system into the operational range. To minimize this, a light adjustment system is provided to reduce the amount of light impinging on the half-blocked system when the focal error signal is at or near saturation. The half-blocked system then becomes primary controller again, and can move the system into a position generally close to the correct focal point. The light adjustment system then can be deactivated, but since the system now is much closer to focus, the half-blocked system can quickly bring the system into final focus. Alternatively, the photodetectors used to generate the focal error signal are segmented. The approximate distance to the correct focal point then is determined by comparing the amount of light detected by segments at different radial positions.
    • 本发明提供了光学扫描系统的非常快速的自动对焦。 如果样品充分失焦,用于聚焦常规半阻塞系统的聚焦误差信号可能会饱和。 通常需要朝向焦点位置的多个步骤才能使系统进入操作范围。 为了最小化这一点,当焦点误差信号处于或接近饱和时,提供调光系统以减少入射在半封闭系统上的光量。 半阻塞系统再次成为主控制器,并且可以将系统移动到通常靠近正确焦点的位置。 然后光调节系统可以被禁用,但是由于系统现在更接近焦点,所以半封闭系统可以快速使系统进入最终焦点。 或者,用于产生焦点误差信号的光电检测器被分段。 然后通过比较由不同径向位置处的段检测到的光的量来确定与正确焦点的近似距离。
    • 10. 发明授权
    • Equalizer system and method for series connected energy storing devices
    • 串联连接储能装置的均衡系统及方法
    • US5952815A
    • 1999-09-14
    • US900607
    • 1997-07-25
    • Jean RouillardChristophe ComteRonald A. HagenOrlin B. KnudsonAndre MorinGuy Ross
    • Jean RouillardChristophe ComteRonald A. HagenOrlin B. KnudsonAndre MorinGuy Ross
    • H02J7/02H02J7/00H02J7/34
    • H02J7/0021H02J7/0016
    • An apparatus and method for regulating the charge voltage of a number of electrochemical cells connected in series is disclosed. Equalization circuitry is provided to control the amount of charge current supplied to individual electrochemical cells included within the series string of electrochemical cells without interrupting the flow of charge current through the series string. The equalization circuitry balances the potential of each of the electrochemical cells to within a pre-determined voltage setpoint tolerance during charging, and, if necessary, prior to initiating charging. Equalization of cell potentials may be effected toward the end of a charge cycle or throughout the charge cycle. Overcharge protection is also provided for each of the electrochemical cells coupled to the series connection. During a discharge mode of operation in accordance with one embodiment, the equalization circuitry is substantially non-conductive with respect to the flow of discharge current from the series string of electrochemical cells. In accordance with another embodiment, equalization of the series string of cells is effected during a discharge cycle.
    • 公开了一种用于调节串联连接的多个电化学电池的充电电压的装置和方法。 提供均衡电路以控制提供给包括在串联电化学电池组内的各个电化学电池的充电电流量,而不中断通过串联串的充电电流的流动。 均衡电路在充电期间平衡每个电化学电池的电位到预定的电压设定值容限内,并且如果需要,在开始充电之前将其平衡。 可以在充电循环结束或整个充电循环期间实现电池电位的均衡。 对于耦合到串联连接的每个电化学电池,也提供过充电保护。 在根据一个实施例的放电操作模式期间,均衡电路相对于来自串联的电化学电池单元的放电电流的流动基本上不导通。 根据另一个实施例,在放电周期期间实现串联串联电池的均衡。