We claim the ornamental design for a portable electronic device, as shown and described.
FIG. 1 is a front perspective view of a portable electronic device showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left-side view thereof;
FIG. 5 is a right-side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a rear perspective view thereof;
FIG. 9 is an enlarged view of the encircled portion 9 in FIG. 4;
FIG. 10 is an enlarged view of the encircled portion 10 in FIG. 4;
FIG. 11 is an enlarged view of the encircled portion 11 in FIG. 5; and,
FIG. 12 is an enlarged view of the encircled portion 12 in FIG. 5.
The short dash-dash broken lines in the figures represent unclaimed portions of the portable electronic device and form no part of the claimed design. The surfaces within the ovular dash-dash broken lines shown in the drawing figures form no part of the claimed design.
In FIGS. 4 and 9, the dot-dash broken lines encircling portions of the claimed design for illustrating the enlargement form no part of the claimed design.
Measuring the “on-skin” time of a transcutaneous electrical nerve stimulator (TENS) device in order to minimize skin irritation due to excessive uninterrupted wearing of the same
Transcutaneous electrical nerve stimulator with automatic detection of leg orientation and leg motion for enhanced sleep analysis, including enhanced transcutaneous electrical nerve stimulation (TENS) using the same