Importance

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Abstract

A feeder capable of feeding power to a load such as an electric appliance without remodeling an IH cooker already owned at home and usually used for cooking by heat, and just by putting on a plate of the IH cooker with its power ON without the need of an outlet. The feeder (100) includes a power generating coil (10) for interlinking an alternating magnetic field generated by the IH cooker (300) having a proper pan sensing function to generate an induction current and supply to the load, a blocking part (40) connected between the coil (10) and the load (200), a sensing part (50) for detecting a physical quantity generated by the coil (10), the blocking part (40) and/or the load (200) for converting it into a corresponding signal, and a control part (20) for controlling to shut the blocking part (40) based on the signal output from the sensing part (50). The power generating coil (10) and the load (200) are blocked by the blocking part (40), and power consumption on the load (200) is put out of a specified range set with the power consumption by a magnetic cooker mounted on the IH cooker (300) as reference, thereby causing the IH cooker (300) to determine that the magnetic cooker is not mounted to interrupt the generation of the alternating magnetic field from the IH cooker (300).

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First Claim