Magnetic related features of a cover for an electronic device

摘要

A cover is described that is magnetically attached to a tablet device. The cover includes at least as flap. In the described embodiment, the flap includes a plurality of segments. The cover includes a number of magnets formed into a number of magnetic arrangements that provide a number of useful features associated with the cover and the tablet device.

主权项

1. A cover suitable for attaching to and protecting a tablet device, the tablet device having a housing with a front opening and a display carried by the housing with an outer protective layer having a size and a shape that at least overlays the display and that fills the front opening, the cover comprising:
a flap having the size and the shape of the display that is foldable into a folded configuration, comprising:
a linear array of magnets positioned along and parallel to a first edge of the flap at least some of which provide a first magnetic field arranged to secure the flap to the outer protective layer,a sensor magnet disposed at a location in the flap between the first edge and a second edge opposite the first edge, the sensor magnet having a size and a shape such that the sensor magnet remains detectable by a sensor carried by the tablet device regardless of an amount of rotational displacement of the sensor magnet with respect to the outer protective layer in accordance with a maximum racking angle when the flap is coupled to the outer protective layer by the linear array of magnets, anda field shaping magnet disposed at a location in the flap between the linear array of magnets and the second edge, wherein the field shaping magnet reduces a magnetic field at a location of a magnetically sensitive component carried by the housing when the linear array of magnets secures the flap to the outer protective layer.