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发明名称
灯管驱动装置
摘要
一种灯管驱动装置,用于驱动复数灯管组,包括分相控制电路、驱动控制电路及复数变压电路。其中,驱动控制电路包括复数开关电路、复数电源转换电路以及一脉宽调制(pulse width modulation,PWM)控制电路。该等开关电路用于决定是否输出外部电压讯号。电源转换电路对应连接该等开关电路,用于输出将该外部电压讯号转换为交流讯号输出。PWM控制电路用于输出同一之PWM控制讯号至该等电源转换电路。该等变压电路对应连接该等电源转换电路与灯管组之间,以将驱动控制电路输出之交流讯号转换为可驱动该等灯管组之电讯号,以驱动该等灯管。
申请公布号
TWI400007
申请公布日期
2013.06.21
申请号
TW098106380
申请日期
2009.02.27
申请人
寰永科技股份有限公司
发明人
沈里和
分类号
H05B41/24
主分类号
H05B41/24
代理机构
代理人
主权项
地址
新竹市科学工业园区新安路5号6楼之1 TW 6F-1, 5 HSIN-AN ROAD HSINCHU, SCIENCE-BASED INDUSTRIAL PARK, TAIWAN, R.O.C.
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