Signal amplifier

Description

FIG. 1 is a perspective view of a signal amplifier showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is another perspective view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof,

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a bottom plan view thereof;

FIG. 10 is an enlarged view of portion 10 shown in FIG. 1;

FIG. 1 is an enlarged view of portion 11 shown in FIG. 1;

FIG. 12 is an enlarged view of portion 12 shown in FIG. 2;

FIG. 13 is an enlarged view of portion 13 shown in FIG. 2;

FIG. 14 is an enlarged view of portion 14 shown in FIG. 4; and,

FIG. 15 is an enlarged view of portion 15 shown in FIG. 5.

The dash-dash broken lines in the drawings depict portions of the signal amplifier that form no part of the claimed design. The dot-dash broken lines represent boundaries of the enlarged portions and form no part of the claimed design.

Claims

The ornamental design for a signal amplifier as shown and described.