Electronic whistle sensor

摘要

An improved all electronic sensor to detect when a whistle emits an audio signal. The electronic sensor activates an additional function such as a light, or signaling device to activate remote functions, such as submerged speakers, or time keeping apparatus.

主权项

1. A system that comprises:
a whistle that produces a sound; a power source; a detection circuit connected to the power source and physically attached to said whistle, said circuit comprising a MEMS (microelectromechanical system) based accelerometer; wherein said system is configured such that the accelerometer detects the resonant vibration of the whistle and then causes the detection circuit to produce an electronic signal when the whistle produces a sound.