The ornamental design for a projector, as shown and described.
FIG. 1 is a front, top, left-side perspective view of a projector;
FIG. 2 is a front, top, right-side perspective view of the projector depicted in FIG. 1;
FIG. 3 is a front view of the projector depicted in FIG. 1 and FIG. 2;
FIG. 4 is a rear view of the projector depicted in FIG. 1 and FIG. 2;
FIG. 5 is a left side view of the projector depicted in FIG. 1 and FIG. 2;
FIG. 6 is a right side view of the projector depicted in FIG. 1 and FIG. 2; and,
FIG. 7 is a top view of the projector depicted in FIG. 1 and FIG. 2.
The bottom view of the projector is not seen when the projector is in use, and is thus omitted.
The broken line showing in the figures, including the broken line illustrating the features inside the housing of the projector in FIG. 6, is for the purpose of illustrating portions of the projector and forms no part of the claimed design.