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Alarm announcing circuit of watch

阅读:388发布:2023-03-03

专利汇可以提供Alarm announcing circuit of watch专利检索,专利查询,专利分析的服务。并且PURPOSE: To prevent the user's habituation to alarm sounds and perform sure announcing by automatically producing predetermined sound volumes of alarm sounds after lapse of a predetermined time from the start of alarm announcement.
CONSTITUTION: An alarm sound producing circuit 10 is provided to an electronic watch, and desired alarm announcement is accomplished from its speaker 21. During the 1st announcement period, arbitrary selected alarm sounds from the plural melody sounds stored by an alarm sound signal generating circuit 16, are announced and in the subsequent 2nd announcement period, alarm announcement by elecronic sounds from the circuit 16 is carried out. The circuit 16 has an ROM 18 for melody, an ROM 20 for scale, a program counter 22, an oscillator 24 and a frequency divider 26.
COPYRIGHT: (C)1981,JPO&Japio,下面是Alarm announcing circuit of watch专利的具体信息内容。

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