Sound mode selector device in a camera incorporating a buzzer

Details Sound mode selector device in a camera incorporating a buzzer Sound mode selector device in a camera incorporating a buzzer

1980-11-05

1982-09-07

Griffin, Donald A.

G03B 1718

Patent

active

043480969

ABSTRACT:
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.

REFERENCES:
patent: 3822393 (1974-07-01), Karpol
patent: 4072973 (1978-02-01), Mayo
patent: 4238146 (1980-12-01), Kitamura et al.

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