Match Document Document Title
9036284 Isolated shingled bands of fractional tracks  
Systems and methods are disclosed for isolated bands of fractional tracks in data storage devices, particularly devices employing shingled magnetic recording. In one embodiment, a device may...
8995077 Electronic device, method and storage medium  
According to one embodiment, an electronic device includes a housing, a sensor, a disk device, a first determination controller, a first changing controller. The sensor senses a vibration of the...
8947818 Disk storage apparatus and data protection method  
A disk storage apparatus according to one embodiment includes a head, a storage device, a write module and a controller. The head writes data on a disk. The storage device has a storage area for...
8947819 Disk drive implementing hysteresis for primary shock detector based on a more sensitive secondary shock detector  
A disk drive is disclosed comprising a head actuated over a disk, and control circuitry comprising a first shock detector and a second shock detector. A first number of shock events is detected...
8943721 Picture frame with recording function  
This invention is a huggable picture frame in the form of a person or doll, with an audio playback and recording unit. The shape of the invention is preferably a human shape in a soft sculpture,...
8941943 Dynamic variable capacity hard disk drive  
A disk drive includes an environmental monitor, a controller and a writing mechanism. The controller acts in response to an output from the environmental monitor to determine if the data capacity...
8937780 Error recovery procedure (ERP) using estimated best setting in first run  
In one embodiment, an apparatus includes logic configured to count each data set read and/or write access that used error recovery procedure (ERP) and each data set read and/or write access that...
8922930 Limit disc nodes by band usage  
The present disclosure generally relates to shingled recording systems, such as shingled magnetic recording (SMR). In some embodiments, systems having a data storage device containing a write...
8922931 Disk drive releasing variable amount of buffered write data based on sliding window of predicted servo quality  
A disk drive is disclosed wherein N data wedges of write data are buffered in a buffer. After writing at least two of the data wedges to the disk including a first data wedge and a second data...
8913338 Disk drive reducing write unsafe threshold when detecting an unrecoverable servo compensation value  
A disk drive is disclosed comprising a disk comprising a plurality of servo tracks defined by servo sectors, wherein each servo sector comprises servo data and a servo compensation value. While...
8902524 Inter-track interference mitigation in magnetic recording systems using averaged values  
Hardware-based methods and apparatus are provided for inter-track interference mitigation in magnetic recording systems using averaged values. Inter-track interference (ITI) is mitigated in a...
8891197 Adjustment of tape writing mechanism, based on tape dimensional stability and positional error signal distribution  
A determination is made in a tape drive of a potential deviation in tape dimensional stability of a tape, based on a current environmental condition and environmental conditions in which the tape...
8891193 Disk drive calibrating threshold and gain of touchdown sensor  
A disk drive is disclosed comprising a head actuated over a disk comprising a plurality of tracks. The head comprises a touchdown element operable to generate a touchdown signal. The touchdown...
8873186 Tape storage device  
A method, and tape storage device configured to perform such method, according to various embodiments, includes writing data stored in a buffer onto a tape; writing an interval marker on the tape...
8804273 Head fly height testing and compensation  
Testing and compensating for fly height of a head in a storage device during settling time using a head for use on a storage medium and a processor to idle the head for an idle time, unload the...
8780481 Fast recovery to a write state  
Aspects of the present invention relate to an apparatus and corresponding method that includes transitioning from a monitor state to a stop write state when a determined position error is greater...
8774601 Method and apparatus for copy protection detection in a video signal  
A method and apparatus for detecting copy protection included in an input video signal is described. Two types of copy protection are particularly addressed, including techniques that imbed copy...
8767332 Disk drive predicting off-track error due to disturbances occurring over different frequency ranges  
A disk drive is disclosed comprising a disk, a head, and control circuitry comprising a servo control system operable to actuate the head over the disk. A vibration signal VS(k) is measured...
8760788 System and computer program product for fast recovery to a write state  
In one embodiment, a tape drive system includes a magnetic head having at least one servo sensor for track-following at least one defined servo track of a longitudinal tape, a tape motion...
8749905 Defect scanning for a disk drive  
Apparatus and methods for performing defect scanning on a disk drive which includes a disk constructed to have tracks written on the disk for storing data. Test data is concurrently written in...
8749912 Method and apparatus for bipolar servo marks writing with self DC-erase  
A method and apparatus for bipolar and self DC-erase write of servo marks. The method includes providing a servo write head having first and second write gaps; and applying a varying current to...
8705193 Magnetic disk control device, magnetic disk apparatus, magnetic disk control method and computer program  
A magnetic disk control device according to an exemplary of the invention includes a write controller to control, in a magnetic disk having tracks, the track being a storage area made by...
8705197 Information processing apparatus, protection method and medium storing protection program  
Disclosed is an information processing apparatus comprising a housing (4), a magnetic disk drive unit (6), a sensor (8) and a control unit (10). The sensor (8), which is installed between the...
8705075 Image processing device having erase control  
An image processing device comprises an image data input means 2, an image data storage means 12 for storing the image data being input, an image data processing means 6 having multiple processing...
8693128 Apparatus and method for writing data to tape medium  
In a controller of a tape drive, a command processing unit receives a request to write new data, an offset determination unit determines whether old data is not partially overwritten with new...
8687305 Error recovery procedure (ERP) using estimated best setting in first run  
In one embodiment, a tape drive system includes a read channel, a write channel, logic adapted for accessing data sets using the read channel and/or the write channel, logic adapted for counting...
8649667 Recording/reproducing device  
A drop sensor detects a drop of a device. When the drop of the device is detected, a sub CPU allows a counter to count a drop time. When the device drops for a predetermined time or more, the sub...
8638516 System and method for improved free fall detection  
An information handling system includes a free fall sensing system having an amplifier and sampling circuit, a sampling data analyzer, a sampling clock duration controller, and a sampling clock...
8611038 System, method, and computer program product for servo compensator switching in high vibration environments  
A tape drive system according to one embodiment includes a magnetic head having at least one servo sensor; a tape motion controller; a fine actuator; a skew actuator; a coarse actuator; and a...
8607069 Data processing apparatus, data processing method, terminal unit, and transmission method of data processing apparatus  
A data processing apparatus is disclosed, that comprises a large capacity memory means for storing a plurality of files, a memory means for storing move/copy history when a particular file is...
8593748 Shingled magnetic recording disk drive with compensation for the effect of far track erasure (FTE) on adjacent data bands  
A shingled magnetic recording (SMR) disk drive has concentric shingled data tracks having data sectors with physical block addresses (PBAs), with the tracks being arranged in annular bands...
8587889 Disk storage apparatus, disk control apparatus and write control method  
According to one embodiment, a disk storage apparatus includes a write module and a controller. The write module is configured to move a write head over a disk, and to perform the shingled write...
8553347 Information recording device and information recording method  
According to one embodiment, an information recording device includes: a recording controller configured to control recording of information on a magnetic recording medium having tracks by a...
8537488 Method for specifying control value for controlling clearance adjustment amount between head and disk, disk drive device and manufacturing method thereof  
Embodiments of the present invention help to reduce damage of a head element portion or a magnetic disk in a procedure for specifying a heater power value for adjusting a clearance between the...
8526484 Content reproduction apparatus, content receiving apparatus, method of reproducing content, program, and content reproduction system  
There is provided a content reproduction apparatus including a reproduction request receiving unit that receives from a first external device conforming to a first communication standard a request...
8526610 Methods and apparatus for persistent control and protection of content  
A novel method and apparatus for protection of streamed media content is disclosed. In one aspect, the apparatus includes control means for governance of content streams or content objects,...
8520332 Method for fast recovery to a write state  
In one embodiment, a method includes sensing a servo sensor while a longitudinal tape is moved past a magnetic head, determining position error between the magnetic head and a desired position...
8505104 Apparatus and method for recording and reproducing images  
Provided is imparting authentication codes to image data photographed by a camera connected to the apparatus for recording and reproducing images to generate encryption data and monitors control...
8498075 Apparatus and method for writing data to tape medium  
In a controller of a tape drive, a command processing unit receives a request to write new data, an offset determination unit determines whether old data is not partially overwritten with new...
RE44245 Method and apparatus for detecting protection of audio and video signals  
A method and apparatus for protecting access to audio and/or video data is accomplished when data is received, where the data may be audio data and/or video data. Having received the data, it is...
8411386 Data write control apparatus and data write control method  
According to one embodiment, a data write control apparatus includes a magnetic disk, a write controller, and a retry controller. The magnetic disk includes a track in which data is recorded in...
RE44121 Copy prevention method and apparatus of a digital recording/reproducing system  
A copy prevention method and apparatus of a digital magnetic recording/reproducing system performs the copy prevention function by encoding to insert a marker involving copy prevention function...
RE44106 Copy prevention method and apparatus of a digital recording/reproducing system  
A copy prevention method and apparatus of a digital magnetic recording/reproducing system performs the copy prevention function by encoding to insert a marker involving copy prevention function...
RE44068 Method and apparatus for descrambling digital video data and digital audio data using control data  
A copy prevention method and apparatus of a digital magnetic recording/reproducing system performs the copy prevention function by encoding to insert a marker involving copy prevention function...
8390949 Data loss prevention during a fall of a storage device  
A data storage circuit includes a hard disk drive (HDD) and a fall sensor. The HDD includes a rotatable media platter operable to receive and store data; a read/write head operable to communicate...
8373886 Image processing device  
An image processing device comprises an image data input means 2, an image data storage means 12 for storing the image data being input, an image data processing means 6 having multiple processing...
RE43993 Method and apparatus for scrambling and/or descrambling digital video data and digital audio data using control data  
A copy prevention method and apparatus of a digital magnetic recording/reproducing system performs the copy prevention function by encoding to insert a marker involving copy prevention function...
8363349 Recording medium controller and method thereof  
According to one embodiment, a recording medium controller includes a recording medium, an input module, a reading module, and a writing module. The recording medium includes a write area and an...
8363344 System and method for improved free fall detection  
An information handling system includes a free fall sensing system having an amplifier and sampling circuit, a sampling data analyzer, a sampling clock duration controller, and a sampling clock...
8345370 Magnetic disk drive and refresh method for the same  
According to one embodiment, a magnetic disk drive includes a grouping module and a refresh controller. The grouping module partitions a set of tracks on a disk into a plurality of groups. Each of...