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    • 1. 发明授权
    • Communication circuit for a digital electronic dimming ballast
    • 数字电子调光镇流器通讯电路
    • US07983012B2
    • 2011-07-19
    • US12815469
    • 2010-06-15
    • Venkatesh ChittaElik DvorkinDragan Veskovic
    • Venkatesh ChittaElik DvorkinDragan Veskovic
    • H02H3/08
    • H05B37/0254H04L25/028
    • A communication circuit for an electronic dimming ballast provides high-voltage miswire protection and improved rise and fall times of a transmitted digital signal. The electronic dimming ballast comprises a control circuit, which is coupled to a digital communication link, for example, a DALI communication link, via the communication circuit. The communication circuit comprises a receiving circuit for detecting when the digital ballast communication link is shorted and for providing a received digital message to the control circuit. The communication circuit also comprises a transmitting circuit for shorting the communication link in response to the control circuit. The communication circuit also includes a high-voltage fault protection circuit for protecting the circuitry of the communication circuit if the communication circuit high-voltage mains voltages. The communication circuit is operable to reliably transmit digital messages having improved rise and fall times. The communication circuit draws acceptable amounts of current when the communication link is alternatively in idle and active states.
    • 用于电子调光镇流器的通信电路提供高电压的不连线保护和改善发射的数字信号的上升和下降时间。 电子调光镇流器包括经由通信电路耦合到数字通信链路(例如,DALI通信链路)的控制电路。 通信电路包括一个接收电路,用于检测数字镇流器通信链路何时被短路,并向接收到的数字消息提供给控制电路。 通信电路还包括用于响应于控制电路使通信链路短路的发送电路。 通信电路还包括用于保护通信电路的电路的高压故障保护电路,如果通信电路是高压电源电压。 通信电路可操作地可靠地发送具有改善的上升和下降时间的数字消息。 当通信链路交替地处于空闲和活动状态时,通信电路吸收可接受的电流量。
    • 2. 发明授权
    • Communication circuit for a digital electronic dimming ballast
    • 数字电子调光镇流器通讯电路
    • US07764479B2
    • 2010-07-27
    • US11787934
    • 2007-04-18
    • Venkatesh ChittaElik DvorkinDragan Veskovic
    • Venkatesh ChittaElik DvorkinDragan Veskovic
    • H02H3/20
    • H05B37/0254H04L25/028
    • A communication circuit for an electronic dimming ballast provides high-voltage miswire protection and improved rise and fall times of a transmitted digital signal. The electronic dimming ballast comprises a control circuit, which is coupled to a digital communication link, for example, a DALI communication link, via the communication circuit. The communication circuit comprises a receiving circuit for detecting when the digital ballast communication link is shorted and for providing a received digital message to the control circuit. The communication circuit also comprises a transmitting circuit for shorting the communication link in response to the control circuit. The communication circuit also includes a high-voltage fault protection circuit for protecting the circuitry of the communication circuit if the communication circuit high-voltage mains voltages. The communication circuit is operable to reliably transmit digital messages having improved rise and fall times. The communication circuit draws acceptable amounts of current when the communication link is alternatively in idle and active states.
    • 用于电子调光镇流器的通信电路提供高电压的不连线保护和改善发射的数字信号的上升和下降时间。 电子调光镇流器包括经由通信电路耦合到数字通信链路(例如,DALI通信链路)的控制电路。 通信电路包括一个接收电路,用于检测数字镇流器通信链路何时被短路,并向接收到的数字消息提供给控制电路。 通信电路还包括用于响应于控制电路使通信链路短路的发送电路。 通信电路还包括用于保护通信电路的电路的高压故障保护电路,如果通信电路是高压电源电压。 通信电路可操作地可靠地发送具有改善的上升和下降时间的数字消息。 当通信链路交替地处于空闲和活动状态时,通信电路吸收可接受的电流量。
    • 3. 发明申请
    • Communication Circuit for a Digital Electronic Dimming Ballast
    • 数字电子调光镇流器通讯电路
    • US20100246082A1
    • 2010-09-30
    • US12815469
    • 2010-06-15
    • Venkatesh ChittaElik DvorkinDragan Veskovic
    • Venkatesh ChittaElik DvorkinDragan Veskovic
    • H02H3/20
    • H05B37/0254H04L25/028
    • A communication circuit for an electronic dimming ballast provides high-voltage miswire protection and improved rise and fall times of a transmitted digital signal. The electronic dimming ballast comprises a control circuit, which is coupled to a digital communication link, for example, a DALI communication link, via the communication circuit. The communication circuit comprises a receiving circuit for detecting when the digital ballast communication link is shorted and for providing a received digital message to the control circuit. The communication circuit also comprises a transmitting circuit for shorting the communication link in response to the control circuit. The communication circuit also includes a high-voltage fault protection circuit for protecting the circuitry of the communication circuit if the communication circuit high-voltage mains voltages. The communication circuit is operable to reliably transmit digital messages having improved rise and fall times. The communication circuit draws acceptable amounts of current when the communication link is alternatively in idle and active states.
    • 用于电子调光镇流器的通信电路提供高电压的不连线保护和改善发射的数字信号的上升和下降时间。 电子调光镇流器包括经由通信电路耦合到数字通信链路(例如,DALI通信链路)的控制电路。 通信电路包括一个接收电路,用于检测数字镇流器通信链路何时被短路,并向接收到的数字消息提供给控制电路。 通信电路还包括用于响应于控制电路使通信链路短路的发送电路。 通信电路还包括用于保护通信电路的电路的高压故障保护电路,如果通信电路是高压电源电压。 通信电路可操作地可靠地发送具有改善的上升和下降时间的数字消息。 当通信链路交替地处于空闲和活动状态时,通信电路吸收可接受的电流量。
    • 4. 发明申请
    • Communication circuit for a digital electronic dimming ballast
    • 数字电子调光镇流器通讯电路
    • US20080258551A1
    • 2008-10-23
    • US11787934
    • 2007-04-18
    • Venkatesh ChittaElik DvorkinDragan Veskovic
    • Venkatesh ChittaElik DvorkinDragan Veskovic
    • H02H3/20H04B3/54
    • H05B37/0254H04L25/028
    • A communication circuit for an electronic dimming ballast provides high-voltage miswire protection and improved rise and fall times of a transmitted digital signal. The electronic dimming ballast comprises a control circuit, which is coupled to a digital communication link, for example, a DALI communication link, via the communication circuit. The communication circuit comprises a receiving circuit for detecting when the digital ballast communication link is shorted and for providing a received digital message to the control circuit. The communication circuit also comprises a transmitting circuit for shorting the communication link in response to the control circuit. The communication circuit also includes a high-voltage fault protection circuit for protecting the circuitry of the communication circuit if the communication circuit high-voltage mains voltages. The communication circuit is operable to reliably transmit digital messages having improved rise and fall times. The communication circuit draws acceptable amounts of current when the communication link is alternatively in idle and active states.
    • 用于电子调光镇流器的通信电路提供高电压的不连线保护和改善发射的数字信号的上升和下降时间。 电子调光镇流器包括经由通信电路耦合到数字通信链路(例如,DALI通信链路)的控制电路。 通信电路包括一个接收电路,用于检测数字镇流器通信链路何时被短路,并向接收到的数字消息提供给控制电路。 通信电路还包括用于响应于控制电路使通信链路短路的发送电路。 通信电路还包括用于保护通信电路的电路的高压故障保护电路,如果通信电路是高压电源电压。 通信电路可操作地可靠地发送具有改善的上升和下降时间的数字消息。 当通信链路交替地处于空闲和活动状态时,通信电路吸收可接受的电流量。
    • 8. 发明申请
    • Charging of Li-ion Batteries
    • 锂离子电池充电
    • US20130002199A1
    • 2013-01-03
    • US13171721
    • 2011-06-29
    • Ran HuElik DvorkinRobert Pavlinsky
    • Ran HuElik DvorkinRobert Pavlinsky
    • H02J7/04H02J7/00
    • H02J7/0004H02J7/0072H02J7/045
    • Techniques for charging a rechargeable battery having at least one rechargeable cell are described. A battery charger applies a constant current to charge the rechargeable cell and periodically measures a value of voltage of the rechargeable cell. The value of voltage is tracked over a time period required to charge the rechargeable cell to have the measured value of voltage be substantially equal to a crossover value of voltage for the rechargeable cell. A constant voltage is applied substantially equal to the crossover voltage for a second period of time, with the second period of time selected based on the tracked time period. The charging is terminated after the second period of charging time has elapsed.
    • 描述了对具有至少一个可再充电电池的可充电电池充电的技术。 电池充电器施加恒定电流以对可再充电电池充电并周期性地测量可再充电电池的电压值。 在对可再充电电池充电以使电压的测量值基本上等于可再充电电池的电压的交叉值所需的时间段内跟踪电压值。 基本上等于交叉电压的恒定电压施加第二时间段,其中基于跟踪的时间段选择第二时间段。 在第二次充电时间过后,终止充电。