| 主权项 |
1. A modular expansion kit for a mobile device comprising:
a shell configured to receive and retain a mobile device, the shell comprising:
a shell back wall against which the mobile device rests;a shell side wall attached to the edge of the shell back wall, the shell side wall conforming generally to the outer contours of the mobile device; andat least one opening, through which a mobile device interface on the mobile device can be accessed; an expansion unit configured to mechanically couple and decouple with the shell, the expansion unit comprising:
an expansion processor;an energy storage element;a button;an LED; anda first expansion interface electronically connected to the expansion processor and expansion energy storage element; an outer case comprising:
a first outer case portion slidably engaging the expansion unit;a second outer case portion slidably engaging the expansion unit;a first outer case interface configured to electrically connect to the first expansion interface;a second outer case interface configured to electrically connect to the mobile device electrical interface; andwherein the first outer case portion is configured to couple to the second outer case portion, the first and second outer case portions together partially enclosing both the expansion unit and the shell; and wherein the energy storage element and the processor are configured to electronically communicate with the mobile device through the outer case. |
