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专利名称：Device for protecting power supply circuit发明人：Hirofumi Konishi申请号：US07/940321申请日：19920903公开号：US05381294A公开日：19950110
摘要：A device for protecting a power supply which is preferable for televisionreceivers, etc. is disclosed. A diode is connected between a secondary anode of a powersupply voltage feedback control photocoupler and a load of the power supply. When avoltage on the load is lowered due to an abnormality such as short-circuiting of the load,a control current for said power supply voltage feedback control photocoupler is causedto flow to the load via said diode to interrupt the control current for stopping theoperation of the power supply. Overheating and/or breaking of components due to eddycurrent can be prevented on occurrence of an abnormality such as short-circuiting.
申请人：MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
代理机构：Stevens, Davis, Miller & Mosher
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