Guoxiao Guo Guoxiao Guo
Jie Yu, Guoxiao Guo, Jianguo Zhou, Sanghoon Chu, Young Hoon Kim, Abhishek Dhanda: Disk drive defining non-circular data tracks relative to a rotation axis of the disk. Western Digital Technologies, May 6, 2014: US08717704 (87 worldwide citation)

A disk drive is disclosed comprising a disk having a plurality of servo tracks defined by servo sectors, and a head actuated over the disk. The disk drive further comprises control circuitry comprising a servo control system operable to position the head over the disk. A disturbance is induced in th ...

Craig Allen
Jason Douglas Herzlinger, Craig Allen Bielek, Jonathan Glenn Reed, Holly Renae Davis, Luis Manuel Herrera, Ariel Caesar Prepena Jacala, William Scott Zemitis: Airfoil shape for turbine bucket and turbine incorporating same. General Electric Company, James W Pemrick, Ernest G Cusick, Frank A Landgraff, May 6, 2014: US08714930 (1 worldwide citation)

A turbine bucket is provided including a bucket airfoil having an airfoil shape, the bucket airfoil having a nominal profile substantially in accordance with Cartesian coordinate values of X, Y and Z set forth in Table 1 wherein the Cartesian coordinate values of X, Y and Z are non-dimensional value ...

William H. Gates III
Jeffrey A Bowers, Kenneth G Caldeira, Alistair K Chan, William H Gates III, Roderick A Hyde, Muriel Y Ishikawa, Jordin T Kare, John Latham, Nathan P Myhrvold, Stephen H Salter, Clarence T Tegreene, Willard H Wattenburg, Lowell L Wood Jr, Victoria Y H Wood: Water alteration structure and system having below surface valves or wave reflectors. May 6, 2014: US08715496 (2 worldwide citation)

A system for altering water properties in an outdoor body of water includes a holding vessel configured to hold water. The holding vessel has at least one wall extending above a mean surface water level. The system also includes at least one conduit extending downward from the holding vessel. The at ...

Michael T Benhase, Stephen L Blinick, Evangelos S Eleftheriou, Lokesh M Gupta, Robert Haas, Xiao Yu Hu, Matthew J Kalos, Ioannis Koltsidas, Roman A Pletka: Management of partial data segments in dual cache systems. International Business Machines Corporation, Griffiths & Seaton PLLC, May 6, 2014: US08719494

For movement of partial data segments within a computing storage environment having lower and higher levels of cache by a processor, a whole data segment containing one of the partial data segments is promoted to both the lower and higher levels of cache. Requested data of the whole data segment is ...

Brian Thomas
Norman Stark, Maria S Streckenbach, Seth Gilchrist, Thorsten Schwenke, Brian Thomas: Synthetic synovial fluid compositions and methods for making the same. Zimmer, Schwegman Lundberg & Woessner P A, May 6, 2014: US08716204

Artificial or synthetic synovial fluids and methods for making such fluids are disclosed. The fluid includes selected proteins, phospholipids and hyaluronic acid and mimics the properties of human synovial fluid.

Colleen P Gannon: Optical reading device with improved gasket. Hand Held Products, Additon Higgins Pendleton & Ashe P A, May 6, 2014: US08717494 (130 worldwide citation)

An optical reading device is described having an image sensor having a sensor array of pixels which are exposed to an image; a printed circuit board (PCB) for carrying the image sensor; a lens assembly for focusing light on the sensor array; a lens retainer for retaining the lens; a support assembly ...

Changqing Shi, Ming Jiang: System for calibrating an electronic lapping guide for a beveled pole in a magnetic recording transducer. Western Digital, May 6, 2014: US08717709 (117 worldwide citation)

A wafer comprises a transducer having an air-bearing surface (ABS) and including a magnetic structure characterized by a desired thickness, and having a bevel and a flare point a first distance from the ABS. The wafer further comprises a first electronic lapping guide (ELG), a second ELG, and a thir ...

John A Strange, John A Morrison: System and method for performing data retention that incorporates environmental conditions. Western Digital Technologies, May 6, 2014: US08719531 (94 worldwide citation)

A solid-state storage system is described with a method for adjusting the frequency of data retention operations. The data retention operation frequency can be increased or decreased according to a variety of environmental factors such as error code frequency, system temperature, altitude, and other ...

Timothy A Ferris: Voltage quadrupler comprising a second charging capacitor charged using a first charging capacitor. Western Digital Technologies, May 6, 2014: US08717699 (87 worldwide citation)

A voltage booster is disclosed comprising an input for receiving an input voltage Vin, a first charging capacitor C1, a second charging capacitor C2, and an output capacitor Cout. The output capacitor Cout is charged to four times Vin by connecting C1 in parallel with Vin to charge C1 to Vin, after ...

Robert P Ryan, Erik J Eklund, Hien T Chu, Alain Chahwan, Duc T Phan: Disk drive adjusting noise spectrum to reduce resonance excitation of shock detector. Western Digital Technologies, May 6, 2014: US08717696 (86 worldwide citation)

A disk drive is disclosed comprising a head actuated over a disk, and control circuitry including a shock detector. A shock threshold of the shock detector is initialized, and a first number of shock events is detected in response to the shock detector operating at the initial shock threshold. When ...

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