Voice clock
专利汇可以提供Voice clock专利检索，专利查询，专利分析的服务。并且PURPOSE:To inform distinctly the user of switching of display by informing the user of switching from display to voice information and informing the user of switching from voice information to display with another voice. CONSTITUTION:When an optical switch 72 is turned off, an output Q of a flip flop FF76 is changed from the high level to the low level, and the display on a display part 14 disappears. A certain period signal phi1 is supplied to an address counter 48, and an voice information circuit 46 informs times between the start address and the end address, which are designated by the first ROM78, with a voice. After voice information is terminated, the output of a coincidence circuit 64 becomes high-level, and a positive single pulse is generated from a trigger circuit 66. When the optical switch 72 is turned on, the output Q of the FF76 becomes high-level, and the display part 14 is lit, and the time is displayed there. A multiplexer 86 selects the output of the second ROM80 to indicate times to a start address ROM60 and an end address ROM62.，下面是Voice clock专利的具体信息内容。
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