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1. 发明授权

US06225757B1 Combination MH/HPS ballast 失效
标题翻译：组合MH / HPS镇流器
公开(公告)号：US06225757B1
公开(公告)日：2001-05-01
申请号：US09574902
申请日：2000-05-19
申请人： William L. Brosius, IV , Robert P. Boydston , Daniel Soule , Candler A. Willis
发明人： William L. Brosius, IV , Robert P. Boydston , Daniel Soule , Candler A. Willis
IPC分类号： H05B3700
CPC分类号： H05B41/36 , H05B41/18
摘要： A combination electronic ballast designed to operate a metal halide lamp and a high-pressure sodium gas discharge lamp is disclosed. The ballast includes a primary and secondary coil coupled to a magnetic core. The primary is adapted to be connected to an ac power source and the secondary is adapted to be connected to a metal halide lamp and a high-pressure sodium lamp. The primary and secondary coils are connected together using a capacitance circuit including two capacitors and a switch. The capacitance circuit is designed to connect both of the capacitors between the primary and secondary coil when a high pressure sodium lamp is connected to the ballast and to connect only one of the capacitors in parallel when a metal halide lamp is connected to the ballast. In an alternative embodiment, the primary is adapted to be connected to one of four different ac power sources.
摘要翻译：公开了一种设计用于操作金属卤化物灯和高压钠钠放电灯的电子镇流器。镇流器包括耦合到磁芯的初级和次级线圈。主要适于连接到交流电源，并且次级适于连接到金属卤化物灯和高压钠灯。初级线圈和次级线圈使用包括两个电容器和开关的电容电路连接在一起。当金属卤化物灯连接到镇流器时，当高压钠灯连接到镇流器并且仅连接一个电容器时，电容电路被设计为连接初级和次级线圈之间的两个电容器。在替代实施例中，主要适于连接到四个不同的交流电源之一。

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