Apple patent applications published on 31 May 2012

5 US patent applications published on 31 May 2012 and assigned to Apple

1 20120137028 METHOD AND SYSTEM FOR TRANSFERRING STATUS INFORMATION BETWEEN A MEDIA PLAYER AND AN ACCESSORY
2 20120135645 JACK ASSEMBLIES WITH CYLINDRICAL CONTACTS
3 20120134442 DATA FORMAT CONVERSION FOR ELECTRONIC DEVICES
4 20120133521 FAULT DETECTION AND MONITORING IN BATTERIES
5 20120133301 ACTIVE ENCLOSURE FOR COMPUTING DEVICE