Patent Translate
Powered by EPO and Google
This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
financial decisions, should not be based on machine-translation output.
Brief description of the drawings
1 is a front view showing a piezoelectric speaker according to the present invention, FIG. 2 is a
sectional view thereof, FIG. 3 is an example of frequency characteristics of the present invention,
a mouth is an example of frequency characteristics of a conventional example, and FIG. Front
view showing, mouth ° is the same cross-sectional view. DESCRIPTION OF SYMBOLS 1 ...
Diaphragm, 2 ... Piezoelectric porcelain board, 3 ... Plastic case, 4 ... Insert molding part, 5 ...
Annular vibration part, 6 ... Outer shell part.