Striking mechanism
Sonnerie | ストライキング機構/ストライキングキコウ | 报时装置
Striking mechanism
An acoustic device that automatically or on demand indicates the hour, and possibly quarter-hour and minutes, or sounds at a pre-set time.
There are different striking mechanisms: Passing strike, Quarter repeater, Minute repeater, Petite sonnerie, Grande Sonnerie, Alarm.
See complication