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    • 4. 发明授权
    • AC LED lamp
    • 交流LED灯
    • US08791643B2
    • 2014-07-29
    • US13006054
    • 2011-01-13
    • Alex HorngChung-Ken ChengChi-Hung KuoKuan-Yin Hou
    • Alex HorngChung-Ken ChengChi-Hung KuoKuan-Yin Hou
    • H05B37/02
    • H05B33/0809H05B33/0803H05B33/0812H05B33/0821Y02B20/343
    • An alternating current (AC) light-emitting diode (LED) lamp includes a first AC power end, a second AC power end, a lighting module and a direct current (DC) power output circuit. The lighting module has a first end, a second end and at least one LED unit, wherein the first end is electrically coupled to the first AC power end. The at least one LED unit has one or more LEDs connected in series. The DC power output circuit has a first end and a second end, wherein the second end of the DC power output circuit is electrically coupled to the second AC power end, while the first end of the DC power output circuit is electrically coupled to the second end of the lighting module. The DC power output circuit has a DC output side.
    • 交流(AC)发光二极管(LED)灯包括第一AC电源端,第二AC电源端,照明模块和直流(DC)电力输出电路。 照明模块具有第一端,第二端和至少一个LED单元,其中第一端电耦合到第一AC电力端。 所述至少一个LED单元具有串联连接的一个或多个LED。 DC功率输出电路具有第一端和第二端,其中DC功率输出电路的第二端电耦合到第二AC电源端,而DC功率输出电路的第一端电耦合到第二端 结束照明模块。 直流电源输出电路具有直流输出侧。
    • 9. 发明申请
    • AC LED LAMP
    • 交流LED灯
    • US20110175537A1
    • 2011-07-21
    • US13006054
    • 2011-01-13
    • Alex HORNGChung-Ken ChengChi-Hung KuoKuan-Yin Hou
    • Alex HORNGChung-Ken ChengChi-Hung KuoKuan-Yin Hou
    • H05B37/02
    • H05B33/0809H05B33/0803H05B33/0812H05B33/0821Y02B20/343
    • An alternating current (AC) light-emitting diode (LED) lamp includes a first AC power end, a second AC power end, a lighting module and a direct current (DC) power output circuit. The lighting module has a first end, a second end and at least one LED unit, wherein the first end is electrically coupled to the first AC power end. The at least one LED unit has one or more LEDs connected in series. The DC power output circuit has a first end and a second end, wherein the second end of the DC power output circuit is electrically coupled to the second AC power end, while the first end of the DC power output circuit is electrically coupled to the second end of the lighting module. The DC power output circuit has a DC output side.
    • 交流(AC)发光二极管(LED)灯包括第一AC电源端,第二AC电源端,照明模块和直流(DC)电力输出电路。 照明模块具有第一端,第二端和至少一个LED单元,其中第一端电耦合到第一AC电力端。 所述至少一个LED单元具有串联连接的一个或多个LED。 DC功率输出电路具有第一端和第二端,其中DC功率输出电路的第二端电耦合到第二AC电源端,而DC功率输出电路的第一端电耦合到第二端 结束照明模块。 直流电源输出电路具有直流输出侧。
    • 10. 发明申请
    • FREQUENCY-VARIABLE PULSE-WIDTH-MODULATION MOTOR DRIVE CIRCUIT CAPABLE OF OPERATING UNDER DIFFERENT PWM FREQUENCIES
    • 频率可变脉冲宽度调制电机驱动电路,可在不同的PWM频率下工作
    • US20070223891A1
    • 2007-09-27
    • US11386673
    • 2006-03-23
    • Alex HorngChung-Ken ChengPei-Wei Lo
    • Alex HorngChung-Ken ChengPei-Wei Lo
    • H02P7/29
    • H02P6/16H02P6/08
    • A frequency-variable PWM motor drive circuit includes a drive IC member, a Hall IC member, a PWM converter circuit and a compensation unit. The drive IC member electrically connects with the Hall IC member, the drive IC member further includes a pin electrically connected with the compensation unit and the PWM converter circuit. The PWM converter circuit has a PWM input pin to receive a PWM signal, and converts it into a voltage signal. The compensation unit connects between the pin of the drive IC member and the PWM converter circuit. In operation, the compensation unit can improve a waveform of the voltage signal supplied from the PWM converter circuit, and then output it to the pin of the drive IC member. Consequently, the drive IC member can be steadily operated at predetermined motor speeds under various frequencies of the PWM signals.
    • 频率可变PWM电动机驱动电路包括驱动IC部件,霍尔IC部件,PWM转换电路和补偿部。 驱动IC元件与霍尔IC元件电连接,驱动IC元件还包括与补偿单元和PWM转换电路电连接的引脚。 PWM转换器电路具有PWM输入引脚,用于接收PWM信号,并将其转换为电压信号。 补偿单元连接在驱动IC部件的引脚和PWM转换电路之间。 在操作中,补偿单元可以改善从PWM转换器电路提供的电压信号的波形,然后将其输出到驱动IC构件的引脚。 因此,可以在PWM信号的各种频率下以预定的电动机速度稳定地操作驱动IC部件。