Patent ID: 6507736
Filing Date: 2003-01-14
Classification: G06F,H04W

Abstract:
A multi-linguistic wireless spread spectrum narration service system comprising:a speech database stored with multi-linguistic narration service speech messages; a plurality of basestation units adapted to be arranged at each exhibition section of a exhibition field, each basestation unit having a spread spectrum radio frequency processing and baseband processing module, a basestation unit controller and a data communication port, so that under the control of said basestation unit controller, said basestation unit controller captures narration service speech message from said speech database through said data communication port, and performs a wireless communication through said spread spectrum radio frequency processing and baseband processing module; and at least one mobile unit adapted for being worn by a visitor, said mobile unit having a voice encoder, a received power detector, a mobile unit controller, and a spread spectrum radio frequency processing and baseband processing module, so that under control of said mobile unit controller, said received power detector detects wireless signals of a specific basestation unit, and a synchronous or asynchronous connection is built through said spread spectrum radio frequency processing and baseband processing module, thereby receiving said narration service speech messages from said basestation unit controller.