US 2006/0052129 A1 · Method and device for playing MPEG Layer-3 files stored in a mobile phone

Abstract

A method and device for playing MPEG Layer-3 (MP3) files stored in a mobile phone is disclosed, which enables users to stereophonically enjoy the MP3 music stored in the mobile phone with expending battery power economically or even expending no additional battery power. The device can connect the mobile phone to speakers to enable the MP3 files stored in the mobile phone to be played openly so that the user can enjoy music without wearing earphones. The device also provides an electrical charger for the mobile phone and the audio amplifier to play MP3 music files stored in the mobile phone with a sound quality comparing that of high-end audio equipment and an economical expense of battery power; the device can apply to all the mobile phones with MP3 playing function.

Claims8

Dependent claims

A device for playing MPEG Layer-3 (MP3) files stored in a mobile phone, comprising:

a mobile phone;
a power output connector connected to said mobile phone;
a signal connector, receiving audio signals of MP3 from said mobile phone;
at least one speaker connector assembly, outputting said MP3 audio signals to at least a speaker;
an amplifier module, connecting to said signal connector, processing audio signals of MP3 from said mobile phone, and outputting the processed signals to said speaker connector assembly;
and
a power supply module, connecting to an external power, and providing power for said amplifier module and said power output connector.

4 more elements

Dependencies are inferred from the claim text.

Method and device for playing MPEG Layer-3 files stored in a mobile phone

Life of this patent

Method and device for playing MPEG Layer-3 files stored in a mobile phone

Life of this patent

Abstract

Claims8