We claim the ornamental design for an electronic scanner, as shown and described.
FIG. 1 is a front perspective view of the electronic scanner of this invention;
FIG. 2 is a side view of the electronic scanner of this invention from a first side;
FIG. 3 is a side view of the electronic scanner of this invention from a second side;
FIG. 4 is an enlarged top plan view of the electronic scanner of this invention;
FIG. 5 is an enlarged front elevation view of the electronic scanner of this invention;
FIG. 6 is an enlarged rear elevation view of the electronic scanner of this invention; and,
FIG. 7 is an enlarged bottom plan view of the electronic scanner of this invention.
The broken lines showing the plug-in area, the bottom of the feet, and selected portions of the bottom of the electronic scanner are for illustrative purposes only and form no part of the claimed design.