×

Portable audio player with alternative operation interface and expanded function

  • US 20060277336A1
  • Filed: 08/26/2005
  • Published: 12/07/2006
  • Est. Priority Date: 06/02/2005
  • Status: Abandoned Application
First Claim
Patent Images

1. A portable audio player comprising:

  • a built-in operation interface for inputting a first command therefrom and generating a first control signal in response to said first command;

    a main circuit for processing and optionally storing audio data; and

    a microcontroller in communication with said built-in operation interface, said main circuit and an external operation interface for controlling said main circuit to process said audio data optionally in response to said first control signal or a second control signal generated by said external operation interface.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×