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    • 7. 发明授权
    • Circuits and methods for controlling a light source
    • 用于控制光源的电路和方法
    • US08120280B2
    • 2012-02-21
    • US12856795
    • 2010-08-16
    • Xinmin YiChing-Chuan KuoJianping WangFeng Shi
    • Xinmin YiChing-Chuan KuoJianping WangFeng Shi
    • G05F1/00
    • H05B33/0854
    • A driving circuit for controlling a light source includes a frequency controller and a switch module. The frequency controller is operable for receiving a first dimming signal for controlling the light source to achieve a predetermined brightness, and for generating a second dimming signal having a frequency out of one or more predetermined ranges according to the first dimming signal when the frequency of the first dimming signal is within the predetermined ranges. The switch module coupled to the frequency controller is operable for switching on and off alternately to achieve the predetermined brightness of the light source according to the second dimming signal when the frequency of the first dimming signal is within the predetermined ranges and according to the first dimming signal when the frequency of the first dimming signal is out of the predetermined ranges.
    • 用于控制光源的驱动电路包括频率控制器和开关模块。 频率控制器可操作用于接收用于控制光源以实现预定亮度的第一调光信号,并且用于根据第一调光信号产生具有根据第一调光信号的一个或多个预定范围的频率的第二调光信号, 第一调光信号在预定范围内。 耦合到频率控制器的开关模块可操作用于当第一调光信号的频率在预定范围内且根据第一调光时交替地接通和断开以根据第二调光信号实现光源的预定亮度 当第一调光信号的频率超出预定范围时,发出信号。
    • 10. 发明授权
    • Process for continuously regenerating catalyst particles
    • 连续再生催化剂颗粒的方法
    • US07045477B2
    • 2006-05-16
    • US09837788
    • 2001-04-18
    • Rendian ZhaoZhihai ZhaoJin WangLanxin ZhangFeng ShiJinhui Fu
    • Rendian ZhaoZhihai ZhaoJin WangLanxin ZhangFeng ShiJinhui Fu
    • B01J20/34B01J38/12B01J38/42
    • C10G35/12B01J8/125B01J8/1836B01J38/20B01J38/30B01J38/32B01J38/44B01J2208/00327B01J2219/185B01J2219/1942
    • A process for continuously regenerating catalyst particles comprising: passing deactivated catalyst particles downwards in sequence through the first coke-burning zone, second coke-burning zone, oxychlorination zone, and calcination zone in the regenerator, wherein the catalyst particles are contacted with the regeneration gas from the second coke-burning zone, the supplemented dry air, and an inert gas in the first coke-burning zone; introducing an oxygen-containing regeneration gas from the second coke-burning zone into the regenerator, wherein said gas is contacted with the catalyst particles from the first coke burning zone; withdrawing the regeneration gas from the regenerator through the first coke-burning zone and, after the recovery system, recycling it to the second coke-burning zone. The regeneration gas may pass the catalyst bed in either a centrifugal or centripetal way. This process prevents the regeneration gas with a high water content from contacting the catalyst at a high temperature as in the conventional continuous coke-burning processes for regenerating catalyst particles and thereby reduces the decreasing rate of the specific surface area of the catalyst and prolongs its service life.
    • 一种用于连续再生催化剂颗粒的方法,包括:使失活的催化剂颗粒依次通过再生器中的第一焦炭燃烧区域,第二焦炭燃烧区域,氧氯化区域和煅烧区域,其中催化剂颗粒与再生气体接触 来自第二焦炭燃烧区,补充的干燥空气和第一焦炭燃烧区中的惰性气体; 将来自所述第二焦炭燃烧区域的含氧再生气体引入所述再生器中,其中所述气体与来自所述第一焦炭燃烧区域的所述催化剂颗粒接触; 从再生器通过第一焦炭燃烧区域抽出再生气体,并且在回收系统之后将其再循环到第二焦炭燃烧区域。 再生气体可以以离心式或向心式方式通过催化剂床。 该方法防止高含水量的再生气体在高温下与催化剂接触,如常规连续焦化燃烧方法中再生催化剂颗粒,从而降低催化剂比表面积的降低速率并延长其使用寿命 生活。