The U.S. Patent & Trademark Office today published four Apple patents titled 'Hot unpluggable media storage device,' 'Computer controlled display device,' 'Computing Device,' and 'Dynamic selection of field/frame-based MPEG video encoding.' The 'Hot unpluggable media storage device' relates to computer systems, or more particularly to peripheral devices for computer systems. Apple's 'Computer controlled display device' relates in part to the company's former swing-arm styled iMac. The 'Computing Device' depicts the design of Apple's Mac mini or potentially a variant of its forthcoming iTV device. 'Dynamic selection of field/frame-based MPEG video encoding' relates to video encoding, specifically having to do with dynamic selection between field-based encoding and frame-based encoding for Motion Picture Experts Group (MPEG) video encoding.