Patent 7206544 was granted and assigned to NCR on April, 2007 by the United States Patent and Trademark Office.
A self-service terminal (10 or 200 or 300) comprises a plurality of intercommunicating modules (114 to 126, or 214 to 226, or 314 to 326). Each module includes a transceiver for wireless communication with another module. In one embodiment, the wireless communication is directed between two modules so that only those two modules can participate in the communication. In another embodiment, the wireless communication may be implemented by a transceiver broadcasting information to all of the modules.