| 摘要 |
A spectator broadcast system includes a transmitter for broadcasting over one or more broadcast channels and a light weight ear mounted receiver for selectively receiving one or more broadcast channels. The receiver comprises a radio circuit, a speaker, control means comprising an on/off function and volume control, a power source, a channel selector switch and a semi-transparent case adapted to mount comfortably over the ear of a wearer by means of an ear hanging member. A light source is included to illuminate the case. In another embodiment spread spectrum technology is used. The system is adapted to broadcast over distances and at power levels permitted by the authorities.
|
