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专利名称：Safety circuit for electrical loads发明人：William A. Ericson申请号：US05/9273申请日：19780724公开号：US04213075A公开日：19800715
摘要：A safety circuit is provided for parallel connected electrical loads. The headlightcircuit of an automobile or other vehicle is an important application for the circuit. In thecircuit a reversely polled control rectifier is in a parallel conductor subcircuit to the brightlamp filament of the headlight. The gate of the control rectifier is connected to aconductor of the dim lamp filament of the headlight. The control rectifier presents anopen circuit when both of the lamps are operable but is adapted to connect the brightlamp filament through a resistor and a diode when the dim lamp filament of theheadlight fails.
申请人：ERICSON, WILLIAM A
代理人：Robert B. Watkins
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