Sony Assigned Patent

Sony Corporation, Tokyo, Japan, has been assigned a patent (8,913,470) by Suzuki Yuuichi, Kanagawa, Japan, for a “control device, control method, and master-disc fabricating apparatus.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A control device includes: a delay unit configured to delay a signal for use in exposure of a master disc; and a control unit configured to adjust an amount of delay of the signal so that an exposure pattern that satisfies an information recording medium format is formed on a master disc rotated by a constant linear velocity (CLV) system.“

The patent application was filed on January 15, 2014 (14/155,561).