Communication device, circuit and method for confirming receipt of messages sent through unidirectional communication channels

[0021]The foregoing descriptions of specific embodiments of the present disclosure have been presented for purposes of illustration and description. They are not intended to be exhaustive or to limit the invention to the precise forms disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiment was chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best utilize the invention and various embodiments with various modifications as are suited to the particular use contemplated.

[0022]The terms “a” and “an” herein do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item.

[0023]The terms “having”, “comprising”, “including”, and variations thereof signify the presence of a component which is inclusive or open-ended and does not exclude additional, unrecited elements or met