专利汇可以提供Power supply for magnetron in microwave oven or the like专利检索,专利查询,专利分析的服务。并且A power supply for a permanent magnet type magnetron tube in which a high impedance transformer furnishes power to two halfwave, oppositely poled voltage doubler circuits in which a time delay is provided, responsive to the load current of the magnetron, to delay the turning on of one of the half-wave voltage doubler circuits to insure operation in the desired oscillating mode. Switching of the second half-wave voltage doubler into the circuit is accomplished by normally open contacts on a main relay, preferably shunted by high value resistor. In the preferred modification additional time delay is achieved by employing an auxiliary time delay relay to inhibit operation of the main relay, thereby to establish successive low power and high power modes. The filament of the magnetron is preferably fed by a separate filament transformer turned on at the same time as the high impedance transformer, but which includes means for lowering the filament voltage incident to switching to the high power mode.,下面是Power supply for magnetron in microwave oven or the like专利的具体信息内容。
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