Mobile device case and methods of making and using same

Abstract

A case for a mobile device includes a bumper portion and a module portion. The module portion is attached to the bumper portion. The bumper portion has a border configured to receive a mobile device. The module portion includes a base portion, a back plate and battery portion. The base portion is attached to the back plate. The battery portion is positioned between the base portion and the back plate. The battery portion includes a plurality of battery cells, a printed circuit board assembly and a plurality of electromagnetic induction coils all operably connected to one another.

What is claimed: 
     
         1 . A case for a mobile device, comprising:
 a bumper portion having a border configured to receive a mobile device; and   a module portion connected to the bumper portion, the module portion comprising:
 a base portion having a first side, a second side and a first cavity; 
 a back plate having a first side, a second side and a second cavity, wherein the first side of the base portion is connected to the first side of the back plate; and 
 a battery portion positioned in the first and second cavities between the base portion and the back plate, the battery portion having a plurality of battery cells, a printed circuit board assembly and a plurality of electromagnetic induction coils all operably connected to one another, wherein the plurality of electromagnetic induction coils of the battery portion includes at least one receiving coil positioned on one side of the battery portion for receiving a signal from a wireless charger for charging the plurality of battery cells of the battery portion and at least one transmitting coil positioned on the opposite side of the battery portion for transmitting a signal to the mobile device's receiving coil for charging the mobile device's battery. 
   
     
     
         2 . The case of  claim 1  wherein the bumper portion is constructed of a plurality of components. 
     
     
         3 . The case of  claim 1  wherein a portion of the border of the bumper portion includes a shock resistant material. 
     
     
         4 . The case of  claim 1  wherein the base portion includes a locking portion having a plurality of female portions positioned along the inner perimeter of the base portion and the back plate includes a plurality of male portions positioned along the inner perimeter of the back plate such that the plurality of male portions correspond with the plurality of female portions so as to lock the base portion together with the back plate. 
     
     
         5 . The case of  claim 1  wherein the base portion includes a first recess and a second recess such that a first locking clip is positioned in the first recess and a second locking clip is positioned in the second recess to further assist in locking the base portion with the back plate. 
     
     
         6 . The case of  claim 1  wherein the at least one receiving coil positioned on one side of the battery portion is enabled for receiving a Qi signal. 
     
     
         7 . The case of  claim 1  wherein the base portion and the back plate are provided with corresponding openings positioned over a camera lens of the mobile device. 
     
     
         8 . The case of  claim 1 , wherein a portion of the case is provided with light-emitting diode letters operably connected to the plurality of battery cells so as to indicate battery life by lighting a portion of the light-emitting diode letters. 
     
     
         9 . The case of  claim 1  wherein a portion of the case is provided with touch sensitive areas which are operably connected to the printed circuit board assembly for controlling a plurality of functions of the mobile device case. 
     
     
         10 . A case for a mobile device, comprising:
 a battery portion having a plurality of battery cells, a printed circuit board assembly and a plurality of electromagnetic induction coils all operably connected to one another, wherein the plurality of electromagnetic induction coils of the battery portion includes at least one receiving coil positioned on one side of the battery portion for receiving a signal from a wireless charger for charging the plurality of battery cells of the battery portion and at least one transmitting coil positioned on the opposite side of the battery portion for transmitting a signal to the mobile device's receiving coil for charging the mobile device's battery; and   a bumper portion for receiving the mobile device, the bumper portion releasably connected to the battery portion.   
     
     
         11 . The case of  claim 10  wherein the bumper portion is constructed of a plurality of components. 
     
     
         12 . The case of  claim 10  wherein a portion of the bumper portion includes a shock resistant material. 
     
     
         13 . The case of  claim 10  wherein the at least one receiving coil positioned on one side of the battery portion is enabled for receiving a Qi signal. 
     
     
         14 . The case of  claim 12  wherein a portion of the case is provided with touch sensitive areas which are operably connected to the printed circuit board assembly for controlling a plurality of functions of the mobile device case.