Mobile device case system

1. A device case comprising:

a body:

configured to house a mobile device;

defining a strap receptacle; and

comprising a first set of magnetic features arranged adjacent the strap receptacle; and

a strap:

flexibly coupled to the body;

configured to seat within the strap receptacle in a retracted position;

configured to accept a finger of a user in a deployed position; and

comprising a second set of magnetic features configured to transiently couple to the first set of magnetic features to retain the strap within the strap receptacle in the retracted position.

2. The device case of claim 1 :

wherein the body defines:

an inner face configured to receive the mobile device; and

an exterior face opposite the inner face and defining the strap receptacle;

wherein the strap defines:

an outer surface configured to seat approximately flush with the exterior face of the body in the retracted position; and

an inner surface configured to contact the finger of the user in the deployed position; and

wherein the second set of magnetic features of the strap is configured to cooperate with the first set of magnetic features of the body to drive the strap from the deployed position to the retracted position.

3. The device case of claim 2 :

wherein the body exhibits a thickness between the inner face and the exterior face;

wherein the strap receptacle defines a base surface:

configured to mate with the strap in the retracted position; and

offset the exterior face by a depth less than the thickness; and

wherein the strap defines a first height, in the retracted position, approximating the depth of the base surface of the strap receptacle.

4. The device case of claim 2 :

wherein the body comprises:

a housing configured to accept and retain the mobile device within a cavity defined by the inner face of the body; and

a set of textile liners extending over surfaces of the housing; and

wherein the outer surface of the strap is configured to seat approximately flush with the exterior face defined by the set of textile liners.

5. The device case of claim 1 :

wherein the first set of magnetic features of the body comprises a first magnetic feature arranged adjacent the strap receptacle; and

wherein the second set of magnetic features of the strap comprises a second magnetic feature arranged within the strap and configured to transiently couple to the first magnetic feature to retain the strap within the strap receptacle in the retracted position.

6. The device case of claim 5 :

wherein the first magnetic feature of the body comprises a first magnet arranged adjacent a lower region of the strap receptacle; and

wherein the second magnetic feature of the strap comprises a second magnet arranged within a section of the strap configured to seat within the lower region of the strap receptacle in the retracted position.

7. The device case of claim 5 :

wherein the first magnetic feature of the body comprises a magnetic plate arranged adjacent the strap receptacle; and

wherein the second magnetic feature of the strap comprises a magnet arranged within a section of the strap configured to seat within a region of the strap receptacle adjacent the magnetic plate.

8. The device case of claim 1 , wherein the body defines an indentation:

adjacent an edge of the strap receptacle;

defining an interior surface configured to seat below a portion of the strap extending over the edge of the strap receptacle in the retracted position; and

configured to receive the finger of the user to deploy the strap from the retracted position to the deployed position.

9. The device case of claim 1 :

wherein the body defines:

an inner face configured to receive the mobile device; and

an exterior face opposite the inner face and defining the strap receptacle; and

wherein the strap receptacle:

comprises a first layer exhibiting a first depth from the exterior face; and

comprises a second layer:

exhibiting a second depth, less than the first depth, from the exterior face;

comprising a structure configured to mate with the strap in the retracted position; and

defining a set of secondary apertures arranged adjacent the structure, and configured to receive the finger of the user during deployment the strap from the retracted position to the deployed position.

10. The device case of claim 9 :

wherein the set of secondary apertures comprises:

a first secondary aperture:

arranged on a first side of the structure; and

configured to receive the finger of the user during deployment the strap from the retracted position to the deployed position from the first side; and

a second secondary aperture:

arranged adjacent a second side of the structure opposite the first side; and

configured to receive the finger of the user during deployment the strap from the retracted position to the deployed position from the second side;

wherein the structure exhibits a first width extending between the first secondary aperture and the second secondary aperture; and

wherein the strap:

exhibits a second width greater than the first width; and

and is configured to seat along a length of the structure in the retracted position.

11. The device case of claim 9 , further comprising a textile liner:

extending across the exterior face of the body; and

configured to compress through the set of secondary apertures and toward the first layer responsive to a downward force applied by the finger of the user during deployment of the strap from the retracted position into the deployed position.

12. The device case of claim 1 :

wherein the strap comprises:

a set of strap sections; and

a set of hinges, each hinge, in the set of hinges, arranged between contiguous strap sections, in the set of strap sections; and

wherein the set of strap sections and the set of hinges are configured to cooperate to contour the strap around the finger of the user in the deployed position.

13. The device case of claim 12 :

wherein the strap comprises:

the set of strap sections comprising:

a first strap section curving outwardly from an upper region of the strap receptacle in the deployed position;

a second strap section approximately parallel the body in the deployed position;

a third strap section curving inwardly toward a lower region of the strap receptacle in the deployed position; and

a fourth strap section coupled to the body; and

the set of hinges comprising a first hinge arranged between the second strap section and the third strap section; and

wherein the second strap section is configured to seat over the third strap section in the retracted position.

14. The device case of claim 1 , wherein the strap comprises a set of stiffeners configured to:

increase rigidity of the strap during deployment from the retracted position to the deployed position; and

bias the strap into a planar arrangement within the strap receptacle in the retracted position.

15. The device case of claim 14 :

wherein the first set of magnetic features of the body comprises a first magnetic feature arranged within a lower region of the strap receptacle; w

wherein the set of stiffeners comprises a first stiffener defining a first cutout; and

wherein the second set of magnetic features comprises a second magnetic feature seated within the first cutout of the first stiffener and configured to transiently couple with the first magnetic feature to drive the strap from the deployed position to the retracted position and to retain the strap within the strap receptacle in the retracted position.

16. The device case of claim 1 :

wherein the body defines:

an inner face configured to receive the mobile device;

an outer face opposite the inner face and defining the strap receptacle; and

a set of apertures extending between the exterior face and the inner face; and

wherein the strap comprises a set of wings:

extending from opposite edges of the strap through the set of apertures;

coupled to the inner face of the body; and

configured to couple the strap to the body.

17. The device case of claim 16 :

wherein the strap comprises the set of wings comprising:

a first wing extending from a first edge of the strap and extending through a first aperture, in the set of apertures, of the body; and

a second wing extending from a second edge of the strap opposite the first edge and extending through a second aperture, in the set of apertures, of the body; and

further comprising an inner textile liner extending across the inner face of the body and over the set of wings.

18. A device case comprising:

a body:

configured to receive a mobile device;

defining a strap receptacle arranged in a first region of an exterior face of the body; and

comprising:

a first set of magnetic features arranged adjacent the strap receptacle;

an insert:

arranged in a second region on the exterior face; and

defining a bore configured to accept a boss of a mount to couple the body to the mount; and

a first set of magnetic elements arranged about the bore and configured to transiently couple to a second set of magnetic elements arranged about the boss of the mount; and

a strap:

flexibly coupled to the body;

configured to seat within the strap receptacle in a retracted position;

configured to accept a finger of a user in a deployed position; and

comprising a second set of magnetic features configured to transiently couple to the first set of magnetic features to retain the strap within the strap receptacle in the retracted position.

19. The device case of claim 18 :

wherein the body defines an upright position;

wherein the insert is arranged in the first region proximal a center of the exterior face of the body; and

wherein the strap receptacle is arranged in the second region below the first region in the upright position.

20. A device case comprising:

a body:

configured to receive a mobile device;

defining a strap receptacle; and

comprising a first set of magnetic features arranged adjacent the strap receptacle; and

a strap:

flexibly coupled to the body;

configured to seat approximately flush with an exterior face of the body and within the strap receptacle in a retracted position;

configured to accept a finger of a user in a deployed position; and

comprising a second set of magnetic features configured to transiently couple to the first set of magnetic features to retain the strap within the strap receptacle in the retracted position.