Sound mode selector device in a camera incorporating a buzzer

摘要

In the disclosed device, the character of sound formed by a sound generator is varied by placing the sound generator in a chamber and varying the chamber to produce at least two sound modes indicating at least two data. According to one embodiment, an aperture in the chamber is covered with a shield accessible from the outside of the camera housing. According to another embodiment, the resonant frequency of the sound is varied by varying the shape of the chamber. In a third embodiment, the chamber is covered and uncovered by varying the registry of two series arranged apertures to the chamber.