Patent ID: 7160113

Claim:
A mobile computing system, comprising: a portable cart having one or more wheels; a portable computing device storage and charging area having one or more shelves in said cart, wherein internal batteries of a plurality of portable computing device are charged while said portable computing device are stored on said one or more shelves; a battery storage and charging area in said portable cart, wherein a plurality of spare rechargeable batteries are separated from and not connected to said portable computing devices, and wherein said battery storage and charging area is a drawer; a power supply in said portable cart, wherein said power supply recharges said plurality of rechargeable batteries; and a wireless communication server in said portable cart, wherein said server is communicatively coupled to said plurality of portable computing devices via wireless communications when said portable computing devices are removed from said cart and distributed among a plurality of students for a teaching session, and wherein said shelves store said portable computing devices when said portable computing devices are returned to said cart after said teaching session.