Noise cancellation device

FIG. 1 is a perspective view of a first embodiment as seen from the front and upper right of a noise cancellation device showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a perspective view of a second embodiment as seen from the front and upper right of a noise cancellation device;

FIG. 8 is a right side elevational view thereof;

FIG. 9 is a left side elevational view thereof;

FIG. 10 is a top plan view thereof;

FIG. 11 is a front elevational view thereof; and,

FIG. 12 is a rear elevational view thereof.