MOBILE DEVICE USING LOW-POWER TRANSMITTED REFERENCE SPREAD SPECTRUM RADIO LINK TO HEADSET

摘要

A mobile communication device comprises a base unit and a headset in the form of a small, inconspicuous earpiece. The base unit includes a fully functional cellular transceiver and can transmit audio signals over a low power, unidirectional radio link to the headset. The headset unit comprises a unidirectional receiver for receiving audio signals from the base unit and an earphone for converting the audio signals into audible sounds that can be heard by the user. TRSS, transmitted reference spread spectrum, is used as a radio technology.