Patent ID: 7612651
Filing Date: 2009-11-03
Classification: G07C

Abstract:
1. A communication system for communicating with a communication terminal located on a communication medium comprising a person, comprising: a plurality of communication means, disposed in contact with or in proximity to the communication medium, for communicating with the communication terminal via the communication medium, wherein each one of the plurality of communication means includes a plurality of sensors; a detection means for detecting reception levels of a signal transmitted from the communication terminal and received via the plurality of communication means; an association means for associating the communication terminal with one of the plurality of communication means by comparing reception levels of the signal transmitted from the communication terminal and received by each of the plurality of communication means; and an identifying means for uniquely identifying the communication medium based on the received signal, wherein the association means further specifies the association with the identified communication medium based on the association means and the identifying means.