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
OG exemplary drawing
 
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.