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    • 1. 发明申请
    • LAMP DRIVING TOPOLOGY
    • 灯驱动拓扑学
    • WO2003036405A1
    • 2003-05-01
    • PCT/US2002/033966
    • 2002-10-23
    • O2 MICRO, INC.CHOU, JohnCRUZ, Arnel Dela
    • CHOU, JohnCRUZ, Arnel Dela
    • G05F1/00
    • H05B41/232
    • A lamp driving system (10) that includes a first impedance (14) and a second impedance (16) coupled to the secondary side of a transformer (12), where the second impedance has a phase shifted value compared to the first impedance. Two lamp loads (18, 20) are connected in series together, and in parallel to the first (14) and second impedances (16) and to the transformer (12). The phase shift between the impedances ensures that the transformer need not supply double the striking voltage to strike the series-connected lamps. A difference in the resistance between the first and second impedances ensures that the lamps ignite in a specified sequence.
    • 一种灯驱动系统(10),其包括耦合到变压器(12)的次级侧的第一阻抗(14)和第二阻抗(16),其中所述第二阻抗具有与所述第一阻抗相比的相移值。 两个灯负载(18,20)串联连接在一起并与第一(14)和第二阻抗(16)以及变压器(12)并联。 阻抗之间的相移确保变压器不需要提供两倍的触发电压来击穿串联连接的灯。 第一和第二阻抗之间的电阻差异确保灯以指定的顺序点燃。