31
Lantian Zheng: Enhanced multi-factor authentication. Google, Fish & Richardson P C, December 3, 2013: US08601602 (72 worldwide citation)

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for performing multi-factor authentication. In one aspect, a method includes determining that the identity of a user has been successfully proven using a first of two or more authentication factors, al ...


32
Reza Behforooz, George Baggott, Ana Maria Ulin Vazquez, Charles Mendis: Query-based user groups in social networks. Google, Fish & Richardson P C, December 3, 2013: US08601027 (71 worldwide citation)

Implementations of the present disclosure include obtaining one or more queries, processing data stored in a data store based on at least one query of the one or more queries to identify a plurality of users, the plurality of users sharing a commonality that is a subject of the at least one query, g ...


33
Jason D Meridew: Patient-specific pelvic implants for acetabular reconstruction. Biomet Manufacturing, Harness Dickey, December 3, 2013: US08597365 (66 worldwide citation)

A pelvic implant includes a first surface including a recess configured for receiving a portion of a flange of an acetabular cage and a patient-specific second surface opposite to the first surface. The patient-specific second surface is preoperatively configured from a three-dimensional digital ima ...


34
Gregory Burd: Method and system for compensating for adjacent tracks during reading of data. Marvell International, December 3, 2013: US08599508 (63 worldwide citation)

A method for sampling a current track and an adjacent track of a storage medium includes using a first read head to read a first data stream from the current track, using a second read head to read a second data stream from the adjacent track, delaying one of the first and second data streams to acc ...


35
Dennis W Hogg: Current sensor comprising differential amplifier biased by leakage current. Western Digital Technologies, December 3, 2013: US08599512 (59 worldwide citation)

A current sensor is disclosed comprising a differential amplifier including a first node, a second node, and an output. The current sensor further comprises a first resistor having a first end coupled to the first node and a second end for coupling to a transducer, and a second resistor having a fir ...


36
Hong Sik Jung, Emur M Velu, Sudhir S Malhotra, Jackie Tsoi Jung, Gerardo A Bertero: Perpendicular magnetic recording medium with single domain exchange-coupled soft magnetic underlayer and device incorporating same. WD Media, December 3, 2013: US08597723 (59 worldwide citation)

A perpendicular magnetic recording disk having a single domain exchange-coupled laminated soft magnetic underlayer (SUL) is disclosed. The SUL is a combination synthetic anti-parallel coupled SUL structure, which has the product (Mst) of saturation magnetization and film thickness of the middle ferr ...


37
Chaoyuan C Chen, Bing Shiuan Chang: Cross flow tank. WD Media, December 3, 2013: US08596287 (59 worldwide citation)

A cleaning tank apparatus and methods for cleaning workpieces are described. The cleaning tank may include an outlet plate having a top edge and a bottom edge, with the outlet plate having a plurality of rows of outlet openings. The plurality of rows of outlet openings including a first row of outle ...


38
Daniel Ji Yong Park Chung, Badrinath Kollu, Sathish Kumar Gnanasekaran: Transit switches in a network of logical switches. Brocade Communications Systems, Wong Cabello Lutsch Rutherford & Brucculeri L, December 3, 2013: US08599864 (58 worldwide citation)

A Layer 2 network switch is partitionable into a plurality of switch fabrics. The single-chassis switch is partitionable into a plurality of logical switches, each associated with one of the virtual fabrics. The logical switches behave as complete and self-contained switches. A logical switch fabric ...


39
Imad Libbus, Badri Amurthur, Bruce H KenKnight: Implantable device for facilitating control of electrical stimulation of cervical vagus nerves for treatment of chronic cardiac dysfunction. Cyberonics, Cyberonics, December 3, 2013: US08600505 (57 worldwide citation)

An implantable device for facilitating control of electrical stimulation of cervical vagus nerves for treatment of chronic cardiac dysfunction is provided. A stimulation therapy lead includes helical electrodes configured to conform to an outer diameter of a cervical vagus nerve sheath, and a set of ...


40
Wayne A Thorsted: Disk drive booting from volatile semiconductor memory when exiting power save mode. Western Digital Technologies, December 3, 2013: US08601248 (57 worldwide citation)

A disk drive is disclosed comprising a head actuated over a disk, a first volatile semiconductor memory (VSM), and a second VSM. When the disk drive is powered on, control circuitry first reads VSM initialization code from the disk, first initializes the first VSM using the VSM initialization code, ...