Patent ID: 7308486
Filing Date: 2007-12-11
Classification: H04L,H04W,Y10S

Abstract:
1. A mobile guide communications system comprising: a portable device including a display, an infra-red communication unit, and a wireless communication unit; a plurality of object servers, each object server associated with an object and including an infrared communication unit configured to communicate with the portable device; and a central server including a wireless communication unit, the central server being configured to retrieve data embodying information concerning a selected object and to transmit the data to the portable device via the wireless communication unit in response to a request by the portable device, wherein the central server is further configured to retrieve the data from a database based on an object identification code, separate from the retrieved data, included in the request; wherein the portable device further comprises processing circuitry configured to obtain the object identification code from an object server associated with the selected object, to transmit the object identification code to the central server, to obtain, from the central server, the retrieved data concerning the selected object, and to present the obtained data to a user.