78629723
May 13, 2005
Aug 14, 2007
Active Trademark
multi-source powered digital/analog audio playback system device that integrates multiple energy charging sources that charge an internal battery, with a digital audio player and an analog audio amplifier and multiple audio outputs; The audio content is secured by the elimination of a consumer usable data port and/or password protection; The invention provides audio output power that is sufficient for room or group use
Electrical and Scientific Apparatus