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    • 1. 发明申请
    • MEASUREMENT CIRCUIT FOR AN ELECTRONIC BALLAST
    • 电子镇流器的测量电路
    • WO2010027390A2
    • 2010-03-11
    • PCT/US2009003103
    • 2009-05-18
    • LUTRON ELECTRONICS COTAIPALE MARK SNEWMAN ROBERT C JRRHODES SCOTT E
    • TAIPALE MARK SNEWMAN ROBERT C JRRHODES SCOTT E
    • H05B41/282G01R15/18G01R19/00G01R19/06
    • H05B41/2822
    • An electronic ballast for driving a gas discharge lamp comprises a measurement circuit for measuring a lamp current flowing through the lamp and a lamp voltage produced across the lamp. The ballast comprises a first winding magnetically coupled to a main transformer of an inverter circuit, and a second winding magnetically coupled to a resonant inductor of a resonant tank circuit. The first and second windings are coupled in series electrical connection to generate a voltage representative of the magnitude of the lamp voltage. The ballast further comprises a current transformer having primary windings coupled in series with the electrodes of the lamp. The measurement circuit integrates the current conducted through secondary windings of the current transformer only during every other half-cycle of the lamp voltage to generate a control signal representative of the magnitude of the lamp current that is in-phase with the lamp voltage.
    • 用于驱动气体放电灯的电子镇流器包括用于测量流过灯的灯电流的测量电路和灯两端产生的灯电压。 镇流器包括磁耦合到逆变器电路的主变压器的第一绕组和与谐振回路的谐振电感器磁耦合的第二绕组。 第一和第二绕组串联电连接以产生代表灯电压大小的电压。 镇流器还包括具有与灯的电极串联耦合的初级绕组的电流互感器。 测量电路仅在灯电压的每隔一个半周期内对电流互感器的次级绕组传导的电流进行积分,以产生表示与灯电压同相的灯电流的大小的控制信号。
    • 2. 发明申请
    • ELECTRONIC BALLAST HAVING A PARTIALLY SELF-OSCILLATING INVERTER CIRCUIT
    • 具有部分自振荡逆变器电路的电子镇流器
    • WO2010027389A3
    • 2010-08-12
    • PCT/US2009003056
    • 2009-05-15
    • LUTRON ELECTRONICS CONEWMAN ROBERT C JRTAIPALE MARK S
    • NEWMAN ROBERT C JRTAIPALE MARK S
    • H05B41/295
    • H05B41/295
    • An electronic ballast for driving a gas discharge lamp comprises an inverter circuit that operates in a partially self-oscillating manner. The inverter circuit comprises a push-pull converter having a main transformer having a primary winding for producing a high-frequency AC voltage, semiconductor switches electrically coupled to the primary winding of the main transformer for conducting current through the primary winding on an alternate basis, and gate drive circuits for controlling the semiconductor switches on a cycle-by-cycle basis. The drive circuits control (e.g., turn on) the semiconductor switches in response to first control signals derived from the main transformer, and control (e.g., turn off) the semiconductor switches in response to second control signals received from a control circuit. The control circuit controls the semiconductor switches in response to a peak value of an integral of an inverter current flowing through the inverter circuit.
    • 一种用于驱动气体放电灯的电子镇流器包括以部分自激振荡方式工作的逆变器电路。 所述逆变器电路包括具有主变压器的推挽式变换器,所述主变压器具有用于产生高频AC电压的初级绕组,半导体开关与主变压器的初级绕组电耦合,用于交替地通过初级绕组传导电流, 以及用于逐周期地控制半导体开关的栅极驱动电路。 响应于从主变压器得到的第一控制信号,驱动电路控制(例如导通)半导体开关,并响应于从控制电路接收的第二控制信号控制(例如,关断)半导体开关。 控制电路响应于流经逆变器电路的逆变器电流的积分的峰值来控制半导体开关。
    • 5. 发明申请
    • FORCE INVARIANT TOUCH SENSITIVE ACTUATOR
    • 强制触觉敏感致动器
    • WO2007149417A3
    • 2008-02-28
    • PCT/US2007014238
    • 2007-06-19
    • LUTRON ELECTRONICS CONEWMAN ROBERT C JRNEARHOOF JEREMYALTONEN GREGORYCARMEN DANIEL F
    • NEWMAN ROBERT C JRNEARHOOF JEREMYALTONEN GREGORYCARMEN DANIEL F
    • H05B39/08G06F3/045
    • H05B39/086G06F3/03547G06F3/045Y10S315/04Y10S323/904Y10T307/786
    • A touch dimmer has a three-wire touch sensitive screen that produces an output voltage signal representative of a position of a manual pressure touch along a longitudinal axis of the touch screen. To reduce the occurrence of erroneous position indications due to low-pressure touches of the touch screen, a filter circuit is coupled to the output of the touch screen to prevent the detection of transient touches, and to prevent the detection of low-pressure touches having less than a certain actuation force. As a result, a controller may accurately determine the position of the manual pressure touch. In a preferred embodiment, two filters are coupled to the output of the touch screen. The first filter conditions the output voltage signal to allow the controller to accurately determine whether a manual pressure touch actuation has occurred. The second filter conditions the output voltage signal to allow the controller to accurately determine the position of the manual pressure touch along a longitudinal axis of the touch screen. An alternative embodiment of the touch dimmer uses a four-wire touch sensitive screen that produces a second output voltage signal representative of a position of a manual pressure touch along a transverse axis of the touch screen. The first filter is coupled to receive the second output signal to permit accurate detection of a manual pressure touch actuation.
    • 触摸调光器具有三线触敏屏幕,其产生表示沿着触摸屏的纵向轴线的手动压力触摸位置的输出电压信号。 为了减少由于触摸屏的低压触摸引起的错误位置指示的发生,滤波器电路耦合到触摸屏的输出以防止瞬时触摸的检测,并且防止检测具有 小于一定的致动力。 结果,控制器可以准确地确定手动压力触摸的位置。 在优选实施例中,两个滤波器耦合到触摸屏的输出。 第一个滤波器调节输出电压信号,以便控制器准确地确定是否发生了手动压力触摸驱动。 第二滤波器调节输出电压信号,以允许控制器精确地确定沿着触摸屏的纵轴的手动压力触摸的位置。 触摸调光器的替代实施例使用四线触敏屏幕,其产生代表沿着触摸屏的横轴的手动压力触摸的位置的第二输出电压信号。 第一滤波器被耦合以接收第二输出信号以允许对手动压力触摸致动的精确检测。
    • 7. 发明申请
    • DIMMER HAVING A MICROPROCESSOR-CONTROLLED POWER SUPPLY
    • 具有微处理器控制电源的调光器
    • WO2007005651A3
    • 2007-11-15
    • PCT/US2006025662
    • 2006-06-30
    • LUTRON ELECTRONICS CONEWMAN ROBERT C JR
    • NEWMAN ROBERT C JR
    • H05B41/36
    • H05B39/044H05B39/048Y02B20/146Y02B20/148Y10S323/905
    • A power supply for a two-wire load control device supplies power to a microprocessor, in turn controlling the power supply which comprises an energy storage element, e.g., a capacitor, for producing a DC voltage for powering the microprocessor and also includes a high impedance circuit for allowing the energy storage element to receive energy at a first rate before the DC voltage is produced and the microprocessor is powered. The power supply further comprises a low-impedance circuit, i.e., a resistor in series electrical connection with a controllably conductive device, for allowing the energy storage element to receive energy at a second rate greater than the first rate. After starting up, the microprocessor selectively enables and disables the second energy-receiving circuit by rendering the controllably conductive device conductive and non-conductive, respectively. The microprocessor monitors the power supply and to control the amount of power delivered to an electrical load.
    • 用于双线负载控制装置的电源向微处理器供电,从而控制包括能量存储元件(例如电容器)的电源,用于产生用于为微处理器供电的DC电压,并且还包括高阻抗 电路,用于允许能量存储元件在产生直流电压并且微处理器供电之前以第一速率接收能量。 电源还包括低阻抗电路,即与可控导电器件串联电连接的电阻器,用于允许能量存储元件以大于第一速率的第二速率接收能量。 在启动之后,微处理器分别通过使可控导电器件分别导通和不导通来选择性地启用和禁用第二能量接收电路。 微处理器监视电源并控制传送到电气负载的功率量。