Krishna Rameshwara Malakapalli, Kinhing Paul Tsang: Mass storage error correction and detection system, method and article of manufacture. Seagate Technology, Kirk A Cesari, Derek J Berger, October 15, 2002: US06467060 (67 worldwide citation)

Data integrity is increased on mass-storage devices through a scheme whereby, a frame-based cyclic redundancy code (CRC) for each sector is recorded. A frame-based CRC is generated from the CRCs of the frames that compose a sector of data. In recording data, a CRC is generated from each frame, later ...

Peter I Vasiliev: Physical block address recovery apparatus system and method for cyclic error correction codes. Seagate Technology, Derek J Berger, Kirk A Cesari, June 3, 2003: US06574774 (50 worldwide citation)

The invention relates to apparatus and method that provide an improved media codeword and which can distinguish an uncorrectable data error from a wrong block address error and permit the address to be recovered from readback data. In accordance with one embodiment of the invention, method for gener ...

Judy Lynn Westby: Method and dedicated frame buffer for loop initialization and responses. Seagate Technology, Kirk A Cesari, Derek J Berger, December 31, 2002: US06502189 (34 worldwide citation)

A fiber-channel loop interface circuit that includes a dedicated transmit-frame buffer for loop initialization and responses (“responses” are non-data frames sent in response to commands or inquiries from other nodes). Having a dedicated transmit-frame buffer allows one port of a dual-port node to b ...

Michael Jay Hassel, Bruce Emo: Recording density variation of data tracks. Seagate Technology, Cesari & Reed, Kirk A Cesari, Christian W Best, August 18, 2015: US09111578 (28 worldwide citation)

Systems and methods are disclosed for recording density variation of data tracks. In some embodiments, an apparatus may comprise a circuit configured to record data to a first track of a data zone at a first recording density, and record data to a second track of the data zone at second recording de ...

Ming Jin, Myint Ngwe, David Loh, Quek Leong Choo, Mingyou Hu: Method and apparatus for detecting media defects. Seagate Technologies, Kirk A Cesari, May 4, 2004: US06731442 (28 worldwide citation)

A method is disclosed for detecting defects in a recordable medium such as a hard disc drive based on error energy. The method may include the steps of writing test data to the medium and reading back the test data. The method may also include the steps of computing an error energy based on the squa ...

Steven P Anonsen, Timothy J Brookins: Software business process model. Microsoft Corporation, Kirk A Cesari, Westman Champlin & Kelly P A, June 1, 2010: US07730446 (27 worldwide citation)

A business software framework includes an application framework that has a process model. The process model provides desired services to the business components. The process model arranges operations into activities. The process model can also use an agent/service arrangement.

Peter S Harllee III, Timothy R Feldman, Jian Qiang, Utt Heng Kan, Wen Xiang Xie, Winahyu Aji Bimas, Poh Seng Lim: Band rewrites based on error scan counts. Seagate Technology, Cesari & Reed, Kirk A Cesari, Christensen W Best, March 10, 2015: US08976478 (27 worldwide citation)

Systems and methods are disclosed for performing band rewrites on shingled storage media based on error scan counts. In one embodiment, a device may comprise a data storage medium including a first band and a processor. The first band may include a plurality of tracks storing data in a shingled mann ...

Deepak Sridhara, William Radich, Ara Patapoutian, Timothy R Feldman, Mark Gaertner: Group based codes for multi-dimensional recording (MDR). Seagate Technology, Cesari & Reed, Kirk A Cesari, July 19, 2016: US09396062 (23 worldwide citation)

A multi-dimensional recording (MDR) system may include a group based coding circuit (GBCC) which can implement error correcting codes via outer codes. The GBCC can implement outer codes, including interleaving outer codes, in MDR systems where inner codewords include multiple memory groupings. The m ...

Se wook Na, In Sik Ryu: Data storage device, storing medium access method and storing medium thereof. Seagate Technology International, Cesari and Reed, Kirk A Cesari, Christian W Best, November 12, 2013: US08583879 (19 worldwide citation)

A data storage device including a storing medium to shingle write and a controller to access the storing medium so that data is sequentially written on the storing medium using a mapping table based on Logical Block Address (LBA) included in a write command.

Stanton MacDonough Keeler, Todd Strope: System and method of matching data rates. Seagate Technology, Cesari & Reed, Kirk A Cesari, December 1, 2015: US09201790 (18 worldwide citation)

The present disclosure is directed to systems and methods of matching data rates. In a particular embodiment, a device includes a first data bus and a controller having a first output coupled to the first data bus to provide data to the first data bus. The device also includes a first memory of a fi ...