The ornamental design for a waveguidetransducer, as shown and described.
FIG. 1 is a perspective view of a waveguide transducer design showing my new design.
FIG. 2 is a front view of a waveguide transducer.
FIG. 3 is a rear view of a waveguide transducer.
FIG. 4 is a left side view of a waveguide transducer.
FIG. 5 is a right side view of a waveguide transducer.
FIG. 6 is a top view of a waveguide transducer; and,
FIG. 7 is a bottom view of a waveguide transducer.
Any shading and cross-hatching are not features of the design but are utilized to illustrate the surface contours of the waveguide transducer design in the drawings.
The broken lines depict portions of the waveguide transducer that form no part of the claimed design.