Converter driving circuit for clock
专利汇可以提供Converter driving circuit for clock专利检索，专利查询，专利分析的服务。并且PURPOSE:To reduce the current consumption of a clock by driving a converter by a battery voltage to lower the output torgue to a prescribed level in case of normal hand advance and raising a driving voltage, which is applied to the converter, by a boosting circuit to increase the output torque in case of dny board and day-of-week board advance. CONSTITUTION:Circuit 30 for clock is driven by the supply voltage of battery 35, and boosting circuit 36 raises supply voltage FDDL of battery 35 to generate high voltage VDDH and supplies this high voltage to power source switching circuit 40. Boosting circuit 40 supplies selectively voltages VDDL and VDDH to driving power source circuit 37 to charge capacitor 38 through resistance 39. Converter driving circuit 34 drives step motor 50 with this charged power source and drives hand and calendar materials to perform a series of time counting operations. Then, under a normal operation state, voltage VDDL is supplied to circuit 37 to make circuit 34 into a normal driving state dependent upon the low voltage since TG41 and TG42 forming boosting circuit 40 are turned on and off respectively. Under a calendar material advance state, circuit 34 becomes a high output driving state dependent upon the high voltage, so that the increment of the load dependent upon calendar advance can be compensated.，下面是Converter driving circuit for clock专利的具体信息内容。
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