The ornamental design for a projector, as shown and described.
FIG. 1 is a front, left side, top perspective view of a projector showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is an enlarged cross-sectional view thereof, taken along line 8-8 and taken at line 8′-8′ of FIG. 6.
The broken lines adjacent the shaded areas represent the bounds of the claimed design while all other broken lines shown in the figures represent portions of the projector that form no part of the claimed design. None of the broken lines form part of the claimed design.