An automatic radio tuning system

Abstract

This invention relates to a system for automatically tuning a radio receiver (13) to a radio broadcast. The system comprises a radio transmitter (5) for transmitting a radio signal (9) that has an identification signal within an audio signal (7) of the radio signal. The radio receiver (13) automatically tunes itself through multiple radio channels until the radio signal (9) having the identification signal is found.

Description

technical field [0001] This invention relates to automatic radio tuning systems, and more particularly to low cost automatic radio tuners for receiving radio transmissions about specific events. Background technique [0002] So-called "event radio" refers to the broadcast of audio information specifically related to special events, such as concerts or sporting events. UK Patent Application GB2381397 discloses a radio receiver specially designed for an event and discloses broadcasting audio information on a specific frequency and providing audience members of the event with a radio receiver tuned to that specific frequency. [0003] However, the available radio frequencies for event radio may change depending on the geographic location of the event, for example due to interference from other radio stations. [0004] Furthermore, the radio frequency used for the event may not be known at the time the radio receiver is manufactured, and each radio receiver may need to be manua...

AI Technical Summary

Problems solved by technology

[0003]However, the available radio frequencies for event radios may change depending on the geographic location of the event, for example due to interference from other radio stations

Images