公开(公告)号：US20120299508A1

公开(公告)日：2012-11-29

申请号：US13371736

申请日：2012-02-13

申请人： Yuya YAMAZAKI ,  Tooru NAGASE ,  Katsuaki OKUBO ,  Shinichi SUZUKI

发明人： Yuya YAMAZAKI ,  Tooru NAGASE ,  Katsuaki OKUBO ,  Shinichi SUZUKI

IPC分类号： H05B41/36

CPC分类号： H05B41/38

摘要： A xenon lamp drive unit of the present invention comprises: a charging circuit; and a current control circuit adapted to supply a current to a xenon lamp by using a charged voltage of the charging circuit as a power source, wherein the current control circuit is adapted to supply, in a first period after a lamp ignition, a high output lamp current having a higher current value than a steady output lamp current to the xenon lamp by constant current control and supply, in a second period after the first period, the steady output lamp current to the xenon lamp by constant current control.

摘要翻译： 本发明的氙灯驱动单元包括：充电电路; 以及电流控制电路，其适于通过使用所述充电电路的充电电压作为电源将电流提供给氙灯，其中所述电流控制电路适于在灯点火之后的第一时段内提供高输出 灯电流比通过恒定电流控制和供给在氙灯的稳定输出灯电流的电流值高，在第一时段之后的第二周期中，通过恒定电流控制将稳定输出的灯电流传给氙灯。