| US 7,577,410 B2 | ||
| Audio apparatus | ||
| Takeshi Kato, Iwaki (Japan) | ||
| Assigned to Alpine Electronics, Inc., Tokyo (Japan) | ||
| Filed on Apr. 04, 2005, as Appl. No. 11/98,769. | ||
| Claims priority of application No. 2004-111176 (JP), filed on Apr. 05, 2004. | ||
| Prior Publication US 2005/0232431 A1, Oct. 20, 2005 | ||
| Int. Cl. H04B 1/18 (2006.01) | ||
| U.S. Cl. 455—161.1 [455/161.2; 455/575.1; 455/434] | 20 Claims |

| 1. An audio apparatus comprising:
a tuner operable to receive a carrier wave signal including at least an analog audio signal and a digital audio signal broadcast
from a broadcast station;
a scan controller operable to direct the tuner to search for the carrier wave signal and to receive the carrier wave signal
for a certain period of time;
a selecting unit operable to select one audio signal from the analog audio signal and the digital audio signal sent from the
tuner during a scan operation; and
a speaker for generating the audio signal selected by the selecting unit.
|