Oracle Assigned Two Patents

Optical storage focus servo system
and method of controlling same

Oracle International, Redwood City, CA, has been assigned a patent (8,339,907) developed by Faramarz Mahnad, Brookline, MA, for an "optical storage focus servo system and method of controlling same."

The abstract of the patent published by the U.S. Patent and Trademark Office states: "An optical storage focus servo system may include an optical pickup unit that includes an astigmatic focusing lens, a focusing actuator that controls a position of the lens relative to an optical media, and a plurality of detectors that detect an intensity and shape of a reflected beam from the media. The system may also include a controller that controls the focusing actuator based on the intensity and shape of the reflected beam."

The patent application was filed on Sept. 20, 2010 (12/885,932).

Error detection in storage system

Oracle America, Redwood City, CA, has been assigned a patent (8,316,258) developed by James P. Hughes, Palo Alto, CA, for a "system and method for error detection in a data storage system."

The abstract of the patent published by the U.S. Patent and Trademark Office states: "A system and method for error detection in a data storage array includes one or more storage medium interconnected with a controller through a network. A data integrity engine in the controller applies a first error detection process to a data object to create one or more data blocks and associated parity codes. First and second error detection processes are applied to detect and repair errors in the data object."

The patent application was filed on May 3, 2007 (11/743,811).