Patent attributes
A method and apparatus for proximity sensing is described and illustrated. In one embodiment, the invention is an apparatus. The apparatus includes a processor. The apparatus also includes a memory coupled to the processor. The apparatus further includes a radio frequency interface coupled to the processor. The apparatus also includes an antenna coupled to the radio frequency interface. The memory embodies an identifier of an associated item along with specific information related to the associated item. The memory also embodies instructions which, when executed by the processor, cause the processor to exchange the identifier with similar apparatuses through the radio frequency interface and antenna and cause the processor to compare the specific information with information received from the similar apparatuses.