Music reproduction apparatus, audio player, and headphone

Details Music reproduction apparatus, audio player, and headphone Music reproduction apparatus, audio player, and headphone

2007-03-21

2008-08-05

Chin, Vivian (Department: 2615)

Electrical audio signal processing systems and devices

Headphone circuits

C381S311000, C381S334000, C455S556100, C455S041200, C455S003060, C455S575200, C455S066100, C700S094000

Reexamination Certificate

active

07409064

ABSTRACT:
A music reproduction apparatus comprises an audio player and a headphone. The audio player comprises a circular main body, a display panel provided at a front face of the main body, an operating switch rotatably provided at a periphery of the display panel, and a wireless communication antenna provided at a rear face of the main body. The headphone comprises a circular main body, a speaker provided at one face of the main body, a wireless communication antenna provided at the other face of the main body, and an ear hook provided at the outside of the main body.

REFERENCES:
patent: 4484029 (1984-11-01), Kenney
patent: 4845751 (1989-07-01), Schwab
patent: 5787166 (1998-07-01), Ullman
patent: 6301367 (2001-10-01), Boyden et al.
patent: 6381452 (2002-04-01), Tien
patent: 6519448 (2003-02-01), Dress et al.
patent: 6728518 (2004-04-01), Scrivens et al.
Izawa et al., “Reproducing Apparatus,” U.S. Appl. No. 09/761,695, filed Jan. 18. 2001.

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