Briefly, in accordance with one or more embodiments, in response to receiving a single carrier signal that is not phase locked, channel equalization may be applied to the signal via a channel equalizer. The chamber of the present invention includes inlet means to permit ambient atmosphere to enter the chamber, and outlet means to permit chamber atmosphere to exit the chamber. A plurality of tobacco articles are arranged in the interior of the package so as to extend from the top to the bottom. The copying of such a disk by conventional means is very difficult making it possible to easily detect counterfeits or to render any copy unusable. Then a tracing algorithm of image is used, and a multi-touch event is outputted finally.