Detector

FIG. 1 is a perspective view of a detector, showing my new design in a first embodiment; FIG. 2 is a front view of the embodiment shown in FIG. 1 ; FIG. 3 is a rear view of the embodiment shown in FIG. 1 ; FIG. 4 is a side view of the embodiment shown in FIG. 1 ; FIG. 5 is another side view of the embodiment shown in FIG. 1 ; FIG. 6 is a top view of the embodiment shown in FIG. 1 ; and, FIG. 7 is a bottom view of the embodiment shown in FIG. 1 . The broken lines in the figures represent no part of the claimed design.