The ornamental design for a microprojector, as shown and described.
FIG. 1 is a front perspective view of a micro projector in accordance with the present invention;
FIG. 2 is a front elevational view of the micro projector of FIG. 1;
FIG. 3 is a rear elevational view of the micro projector of FIG. 1;
FIG. 4 is a right side elevational view of the micro projector of FIG. 1;
FIG. 5 is a left side elevational view of the micro projector of FIG. 1;
FIG. 6 is a top plan view of the micro projector of FIG. 1; and,
FIG. 7 is a bottom plan view of the micro projector of FIG. 1.
The broken lines in FIGS. 3 and 4 are included for the purpose of illustrating portions of the micro projector that form no part of the claimed design.