发明授权
US3824782A Correction switching device of wrist watch with electronic buzzer 失效
带电子BUZZER的手表手表校正切换装置

Correction switching device of wrist watch with electronic buzzer
摘要:
A correction switching device for a wrist watch provided with an electronic buzzer, comprising a stem having at least three stable positions, and a setting mechanism and an electronic buzzer switch which are operated by said stem such that said setting mechanism is set in a time setting position when said winding stem is in one of said three stable positions and in an alarm setting position when said stem is in one of the other stable positions, and said electronic buzzer switch is set in the ''''off'''' position when said stem is at least in one of the stable positions other than that for time setting and in the ''''on'''' position when said stem is in the other stable positions.
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