| 摘要 |
A warm wave generating system includes a direct-current power supply, a frequency generator to output a variable signal wave at a predetermined frequency range, a transformer in which a primary coil through which a direct current outputted from the direct-current power supply can pass is opposed to a secondary coil through which the signal wave outputted from the frequency generator can pass, and a heating element connected to the direct-current power supply via the primary coil of the transformer. The direct current, which is modulated by the signal wave passing through the primary coil of the transformer and then through the secondary coil, is used to allow the heating element to generate heat.
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