This might be the new smart cover for the new iPad

I remember seeing this patent a while ago and Apple's event teaser is clearly for a new smart cover. Apple-advanced-smart-cover-outside-display_medium

via www.besttechinfo.com

Ipad_smart_cover_display_header_medium

via www.mobileroundup.de

It also has a Surface Like connector, most likely for power and data transfer: Apple_smart_cover_patent-3_medium

via www.mobileroundup.de