http://www.freshpatents.com/Dynamic-magnetic-information-storage-or-retrieval-dtnewntc360.php USPTO Class 360 - Dynamic magnetic information storage or retrieval en-us Mon, 17 Jun 2013 13:37:23 -0700 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/-dt20130613ptan20130148223.php Mon, 17 Jun 2013 13:37:23 -0700 A method, apparatus, and system are provided for implementing spin-torque oscillator (STO) sensing with a demodulator for hard disk drives. The demodulator measures an instantaneous phase of the readback signal from a STO sensor and converts the readback signal into a signal that is proportional to the magnetic field affecting... http://www.freshpatents.com/-dt20130613ptan20130148224.php Mon, 17 Jun 2013 13:37:23 -0700 A method, apparatus, and system are provided for implementing spin-torque oscillator sensing with an enhanced integrated demodulator for hard disk drives. The demodulator receives an input signal from a STO read sensor having an oscillation frequency ω related to the strength of the detected magnetic signal field. The demodulator includes... http://www.freshpatents.com/-dt20130613ptan20130148225.php Mon, 17 Jun 2013 13:37:23 -0700 A “write-squeeze-verify” method is used for verification of the data that has been written in the annular bands of a shingled magnetic recording disk drive. The writing of data along a track overwrites a portion of the previously written track and thus “squeezes” the data of the previously written track... http://www.freshpatents.com/-dt20130613ptan20130148226.php Mon, 17 Jun 2013 13:37:23 -0700 Various embodiments of the present invention provide systems and methods for data processing. As an example, a data processing system is disclosed that includes Various embodiments of the present invention provide data processing systems that include an analog to digital converter circuit and a phase and gain computation circuit. The... http://www.freshpatents.com/-dt20130613ptan20130148227.php Mon, 17 Jun 2013 13:37:23 -0700 Example methods and apparatus concern creating and/or manipulating a tape-specific layout for a tape based de-duplication repository. One example apparatus include a processor, a memory, a set of logics and an interface to connect the processor, the memory, and the set of logics. The apparatus may include a tape layout... http://www.freshpatents.com/-dt20130613ptan20130148229.php Mon, 17 Jun 2013 13:37:23 -0700 A method, apparatus, and system for implementing spin-torque oscillator (STO) sensing with an enhanced delay control feedback circuit for hard disk drives. A detector receives an input signal from a STO read sensor having an oscillation frequency related to the strength of the detected magnetic signal field. The received input... http://www.freshpatents.com/-dt20130613ptan20130148230.php Mon, 17 Jun 2013 13:37:23 -0700 A contact event between a sensing device and a storage medium is detected by receiving a signal indicating a physical proximity between the sensing device and the storage medium; generating a plurality of frequency bin outputs; comparing one or more frequency bin outputs to a corresponding first level threshold to... http://www.freshpatents.com/-dt20130613ptan20130148228.php Mon, 17 Jun 2013 13:37:23 -0700 A magnetic recording system configured for recording to a bit patterned media using both hypertrack recording and shingled recording. The magnetic recording system includes a write pole with a notched trailing edge that results in a write bubble with a trailing edge that has two outer convex lobes separated by... http://www.freshpatents.com/-dt20130613ptan20130148231.php Mon, 17 Jun 2013 13:37:23 -0700 A magnetic disk drive system that has a suspension assembly that includes a slider having a heating element and a suspension configured with a protective structure that protects the heating element. The heating element of the slider can extend through the suspension to extend from the suspension assembly from a... http://www.freshpatents.com/-dt20130613ptan20130148232.php Mon, 17 Jun 2013 13:37:23 -0700 Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing system is disclosed that includes a combination data decoder circuit. The combination data decoder circuit includes: a non-binary data decoder circuit and a binary data decoder circuit.... http://www.freshpatents.com/-dt20130613ptan20130148233.php Mon, 17 Jun 2013 13:37:23 -0700 Various embodiments of the present invention provide systems and methods for data processing. For example, a data processing system is discussed that includes: an equalizer circuit, a signal to noise ratio calculation circuit, and a parameter adjustment circuit. The equalizer circuit is operable to equalize a data input to yield... http://www.freshpatents.com/-dt20130613ptan20130148236.php Mon, 17 Jun 2013 13:37:23 -0700 According to embodiments of the present invention, a method for providing a synchronization signal for at least one of a read operation or a write operation carried out by means of a head in a data storage device is provided. The method includes obtaining a readback servo signal from a... http://www.freshpatents.com/-dt20130613ptan20130148234.php Mon, 17 Jun 2013 13:37:23 -0700 In one embodiment, a hard disk drive includes a magnetic disk medium, a magnetic head adapted for writing data to the magnetic disk medium, a mechanism (such as a detection circuit) adapted for detecting at least one recording condition of drive current provided to the magnetic head during writing operations,... http://www.freshpatents.com/-dt20130613ptan20130148235.php Mon, 17 Jun 2013 13:37:23 -0700 A magnetic head is arranged between two reels around which a magnetic tape is wound and contacts one side of the magnetic tape spanned between the two reels. A driver moves the magnetic head. A controller causes the driver to generate a driving force for pressing the magnetic head against... http://www.freshpatents.com/-dt20130613ptan20130148237.php Mon, 17 Jun 2013 13:37:23 -0700 A magnetic tape head according to one embodiment includes a first section having a tape bearing surface (TBS) and portions that are recessed from the TBS; a thin film section coupled to the first section, the thin film section comprising transducers for at least one of reading from and writing... http://www.freshpatents.com/-dt20130613ptan20130148238.php Mon, 17 Jun 2013 13:37:23 -0700 Methods and apparatus are provided related to magnetic recording tape. One or more ion emitters are disposed in non-contacting proximity to a passing recording tape. Static electric charges born on the tape are neutralized prior to passing the tape in contact with a read-write head. Migration of chemical constituency from... http://www.freshpatents.com/-dt20130613ptan20130148239.php Mon, 17 Jun 2013 13:37:23 -0700 There is provided a base plate for a hard disk drive including: a disk accommodating part on which a disk having data stored therein is disposed; a head seating part formed to be lower than a position of the disk accommodating part and including a head driver disposed thereon providing... http://www.freshpatents.com/-dt20130613ptan20130148240.php Mon, 17 Jun 2013 13:37:23 -0700 A disk drive is disclosed comprising a disk, a spindle motor operable to rotate the disk, a head actuated over the disk, an interface operable to receive a host supply voltage, and a capacitor. The host supply voltage is used to charge the capacitor to a capacitor voltage higher than... http://www.freshpatents.com/-dt20130613ptan20130148241.php Mon, 17 Jun 2013 13:37:23 -0700 The disk drive device includes a base member, a hub, a bearing unit which is arranged on the base member and which rotatably supports the hub, and a spindle drive unit which drives the hub to rotate. The spindle drive unit includes a stator core having a salient pole, a... http://www.freshpatents.com/-dt20130613ptan20130148242.php Mon, 17 Jun 2013 13:37:23 -0700 According to one embodiment, a magnetic recording head includes a spin-torque oscillator between a main pole and a trailing shield. An oscillation layer of the spin-torque oscillator is formed by repeatedly stacking two or more laminates each including a metallic magnetic layer of a body-centered cubic crystalline metal and a...