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US 6,883,693 B2Granted
Knapsack with stereophonic reproducing kit
OwnerAngela W. Haninventor
Life of this patent
Estimating the term…
Abstract
A knapsack with stereophonic reproducing kit mainly includes a knapsack having pockets provided at predetermined positions for receiving a musical sound source and two speakers that together form basic items in the stereophonic reproducing kit. A user may enjoy listening to music or broadcast alone or with other companions at any time and at any place while carrying the knapsack on the back or on the shoulder.
Claims6
A knapsack with stereophonic reproducing kit, comprising a knapsack, and a musical sound source and first and second speakers that together constituting major parts of said stereophonic reproducing kit;
- said knapsack being provided at a predetermined internal position with an inner pocket for receiving said musical sound source therein, and at left and right sides with external side pockets for receiving said first and said second speakers therein;
- and
- said first speaker being internally provided with a power amplifier integrated circuit (IC), and said second speaker being internally provided with a predetermined number of batteries;
- said first speaker being electrically connected to said musical sound source via a first wire, and to said second speaker via a second wire;
- such that musical sound reproduced from said musical sound source is amplified by the power amplifier IC and sent out via said first and second speakers.
2 more elements
Dependencies are inferred from the claim text.