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    • 1. 发明授权
    • Lighting system with lighting dimmer output mapping
    • 照明系统带照明调光输出映射
    • US07667408B2
    • 2010-02-23
    • US11695024
    • 2007-04-01
    • John L. MelansonJohn J. Paulos
    • John L. MelansonJohn J. Paulos
    • H05B37/02
    • H05B37/0209H05B33/0809H05B33/0848H05B37/02
    • A system and method map dimming levels of a lighting dimmer to light source control signals using a predetermined lighting output function. The dimmer generates a dimmer output signal value. At any particular period of time, the dimmer output signal value represents one of multiple dimming levels. In at least one embodiment, the lighting output function maps the dimmer output signal value to a dimming value different than the dimming level represented by the dimmer output signal value. The lighting output function converts a dimmer output signal values corresponding to measured light levels to perception based light levels. A light source driver operates a light source in accordance with the predetermined lighting output function. The system and method can include a filter to modify at least a set of the dimmer output signal values prior to mapping the dimmer output signal values to a new dimming level.
    • 系统和方法使用预定的照明输出功能将照明调光器的调光水平映射到光源控制信号。 调光器产生调光输出信号值。 在任何特定时间段,调光器输出信号值表示多个调光电平之一。 在至少一个实施例中,照明输出功能将调光器输出信号值映射到与由调光器输出信号值表示的调光电平不同的调光值。 照明输出功能将对应于测量光级的调光输出信号值转换为基于感知的光级。 光源驱动器根据预定的照明输出功能操作光源。 该系统和方法可以包括滤波器,以在将调光器输出信号值映射到新的调光电平之前修改至少一组调光输出信号值。
    • 2. 发明申请
    • Lighting System with Lighting Dimmer Output Mapping
    • 照明系统具有照明调光输出映射
    • US20100060202A1
    • 2010-03-11
    • US12474714
    • 2009-05-29
    • John L. MelansonJohn J. Paulos
    • John L. MelansonJohn J. Paulos
    • H05B37/02
    • H05B37/0209H05B33/0809H05B33/0848H05B37/02
    • A system and method map dimming levels of a lighting dimmer to light source control signals using a predetermined lighting output function. The dimmer generates a dimmer output signal value. At any particular period of time, the dimmer output signal value represents one of multiple dimming levels. In at least one embodiment, the lighting output function maps the dimmer output signal value to a dimming value different than the dimming level represented by the dimmer output signal value. The lighting output function converts a dimmer output signal values corresponding to measured light levels to perception based light levels. A light source driver operates a light source in accordance with the predetermined lighting output function. The system and method can include a filter to modify at least a set of the dimmer output signal values prior to mapping the dimmer output signal values to a new dimming level.
    • 系统和方法使用预定的照明输出功能将照明调光器的调光水平映射到光源控制信号。 调光器产生调光输出信号值。 在任何特定时间段,调光器输出信号值表示多个调光电平之一。 在至少一个实施例中,照明输出功能将调光器输出信号值映射到与由调光器输出信号值表示的调光电平不同的调光值。 照明输出功能将对应于测量光级的调光输出信号值转换为基于感知的光级。 光源驱动器根据预定的照明输出功能操作光源。 该系统和方法可以包括滤波器,以在将调光器输出信号值映射到新的调光电平之前修改至少一组调光输出信号值。
    • 4. 发明授权
    • Multi-function duty cycle modifier
    • 多功能占空比修正器
    • US08188677B2
    • 2012-05-29
    • US13206212
    • 2011-08-09
    • John L. MelansonJohn J. Paulos
    • John L. MelansonJohn J. Paulos
    • H05B37/00
    • H05B33/0815Y10S315/04
    • A system and method modify phase delays of a periodic, phase modulated mains voltage to generate at least two independent items of information during each cycle of the periodic input signal. The independent items of information can be generated by, for example, independently modifying leading edge and trailing edge phase delays of each half cycle phase modulated mains voltage. Modifying phase delays for the leading and trailing edges of each half cycle of the phase modulated mains voltage can generate up to four independent items of data. The items of data can be converted into independent control signals to, for example, control drive currents to respective output devices such as light sources to provide multiple items of information per cycle.
    • 系统和方法修改周期性相位调制电源电压的相位延迟,以在周期性输入信号的每个周期期间产生至少两个独立的信息项。 可以通过例如独立地修改每个半周期相位调制电源电压的前沿和后沿相位延迟来产生独立信息项。 修改相位调制电源电压每个半周期的前沿和后沿的相位延迟可以生成多达四个独立的数据项。 数据项目可以转换为独立的控制信号,例如将驱动电流控制到诸如光源的各个输出设备,以便每个周期提供多个信息项。
    • 5. 发明申请
    • Lighting System with Lighting Dimmer Output Mapping
    • 照明系统具有照明调光输出映射
    • US20080224633A1
    • 2008-09-18
    • US11695024
    • 2007-04-01
    • John L. MelansonJohn J. Paulos
    • John L. MelansonJohn J. Paulos
    • H05B41/39
    • H05B37/0209H05B33/0809H05B33/0848H05B37/02
    • A system and method map dimming levels of a lighting dimmer to light source control signals using a predetermined lighting output function. The dimmer generates a dimmer output signal value. At any particular period of time, the dimmer output signal value represents one of multiple dimming levels. In at least one embodiment, the lighting output function maps the dimmer output signal value to a dimming value different than the dimming level represented by the dimmer output signal value. The lighting output function converts a dimmer output signal values corresponding to measured light levels to perception based light levels. A light source driver operates a light source in accordance with the predetermined lighting output function. The system and method can include a filter to modify at least a set of the dimmer output signal values prior to mapping the dimmer output signal values to a new dimming level.
    • 系统和方法使用预定的照明输出功能将照明调光器的调光水平映射到光源控制信号。 调光器产生调光输出信号值。 在任何特定时间段,调光器输出信号值表示多个调光电平之一。 在至少一个实施例中,照明输出功能将调光器输出信号值映射到与由调光器输出信号值表示的调光电平不同的调光值。 照明输出功能将对应于测量光级的调光输出信号值转换为基于感知的光级。 光源驱动器根据预定的照明输出功能操作光源。 该系统和方法可以包括滤波器,以在将调光器输出信号值映射到新的调光电平之前修改至少一组调光输出信号值。
    • 6. 发明申请
    • Multi-Function Duty Cycle Modifier
    • 多功能占空比修正器
    • US20110291587A1
    • 2011-12-01
    • US13206212
    • 2011-08-09
    • John L. MelansonJohn J. Paulos
    • John L. MelansonJohn J. Paulos
    • H05B37/02
    • H05B33/0815Y10S315/04
    • A system and method modify phase delays of a periodic, phase modulated mains voltage to generate at least two independent items of information during each cycle of the periodic input signal. The independent items of information can be generated by, for example, independently modifying leading edge and trailing edge phase delays of each half cycle phase modulated mains voltage. Modifying phase delays for the leading and trailing edges of each half cycle of the phase modulated mains voltage can generate up to four independent items of data. The items of data can be converted into independent control signals to, for example, control drive currents to respective output devices such as light sources to provide multiple items of information per cycle.
    • 系统和方法修改周期性相位调制电源电压的相位延迟,以在周期性输入信号的每个周期期间产生至少两个独立的信息项。 可以通过例如独立地修改每个半周期相位调制电源电压的前沿和后沿相位延迟来产生独立信息项。 修改相位调制电源电压每个半周期的前沿和后沿的相位延迟可以生成多达四个独立的数据项。 数据项目可以转换为独立的控制信号,例如将驱动电流控制到诸如光源的各个输出设备,以便每个周期提供多个信息项。
    • 7. 发明授权
    • Multi-function duty cycle modifier
    • 多功能占空比修正器
    • US08018171B1
    • 2011-09-13
    • US12047258
    • 2008-03-12
    • John L. MelansonJohn J. Paulos
    • John L. MelansonJohn J. Paulos
    • H05B37/02
    • H05B33/0815Y10S315/04
    • A system and method modify phase delays of a periodic, phase modulated mains voltage to generate at least two independent items of information during each cycle of the periodic input signal. The independent items of information can be generated by, for example, independently modifying leading edge and trailing edge phase delays of each half cycle phase modulated mains voltage. Modifying phase delays for the leading and trailing edges of each half cycle of the phase modulated mains voltage can generate up to four independent items of data. The items of data can be converted into independent control signals to, for example, control drive currents to respective output devices such as light sources to provide multiple items of information per cycle.
    • 系统和方法修改周期性相位调制电源电压的相位延迟,以在周期性输入信号的每个周期期间产生至少两个独立的信息项。 可以通过例如独立地修改每个半周期相位调制电源电压的前沿和后沿相位延迟来产生独立信息项。 修改相位调制电源电压每个半周期的前沿和后沿的相位延迟可以生成多达四个独立的数据项。 数据项目可以转换为独立的控制信号,例如将驱动电流控制到诸如光源的各个输出设备,以便每个周期提供多个信息项。
    • 8. 发明授权
    • Quasi-differential power amplifier and method
    • 准差分功率放大器及方法
    • US07010131B1
    • 2006-03-07
    • US09079864
    • 1998-05-15
    • Jason P. RhodeJohn J. Paulos
    • Jason P. RhodeJohn J. Paulos
    • H03F21/00H03F3/45H04R3/00
    • H03F3/68H04R3/00
    • A quasi-differential power amplifier and method are disclosed that enhance drive capability and dynamic range by driving a right, left and common terminals with a right channel output signal, a left channel output signal, and a common mode output signal that are each a combination of the left and right channel input signals. In addition, the common mode output signal may be used as feedback so that the left and right channel output signals so that these signals are dependent upon feedback from the common mode output signal. The quasi-differential power amplifier may include a first amplifier driving the left channel output signal, a second amplifier driving the right channel output signal, and a third amplifier driving the common mode output signal. In one application, the quasi-differential amplifier may be used to drive three-wire stereo headphones for use in small portable stereo systems.
    • 公开了一种准差分功率放大器和方法,其通过用右通道输出信号,左通道输出信号和共模输出信号驱动右,左和公共端子来增强驱动能力和动态范围 的左右声道输入信号。 此外,共模输出信号可以用作反馈,使得左和右声道输出信号使得这些信号取决于来自共模输出信号的反馈。 准差分功率放大器可以包括驱动左声道输出信号的第一放大器,驱动右声道输出信号的第二放大器和驱动共模输出信号的第三放大器。 在一个应用中,准差分放大器可以用于驱动用于小型便携式立体声系统的三线立体声耳机。
    • 10. 发明授权
    • Digital-to-analog converter with power up/down transient suppression and automatic rate switching
    • 具有上电/下拉瞬变抑制和自动速率切换功能的数模转换器
    • US06492928B1
    • 2002-12-10
    • US09908672
    • 2001-07-18
    • Jason P. RhodeJohn J. PaulosAndrew W. KroneRichard Bocock
    • Jason P. RhodeJohn J. PaulosAndrew W. KroneRichard Bocock
    • H03M166
    • H03M1/0881H03M1/66
    • Power-up and power-down transient suppression are provided for an audio digital-to-analog converter with a single ended output to prevent annoying pops which accompany switching an audio system on and off. Power-up suppression is achieved by clamping an output signal to ground, driving the audio channel to ground, releasing the clamp and driving the audio channel gradually to its quiescent (zero signal) value. Power-down suppression is provided by using a positive feedback amplifier to accelerate current drain initiated by a constant current source used to bleed off the charge on output capacitor. The audio digital-to-analog converter sets operational mode based on ratios of a master clock to a channel selection clock. The techniques disclosed apply readily to the outputs received from CDs, CD-ROMs, DAT and other digital recording media.
    • 为具有单端输出的音频数/模转换器提供上电和掉电瞬态抑制,以防止伴随音频系统开启和关闭的烦人的弹出。 通过将输出信号钳位到地,将音频通道驱动到地,释放钳位并逐渐将音频通道驱动到其静态(零信号)值来实现上电抑制。 通过使用正反馈放大器来加速由用于消除输出电容器上的电荷的恒定电流源引发的电流消耗来提供掉电抑制。 音频数/模转换器基于主时钟与频道选择时钟的比率来设置操作模式。 所公开的技术容易地应用于从CD,CD-ROM,DAT和其他数字记录介质接收的输出。