WILLIAM B. BOYLE

DATA STORAGE DEVICE WITH INTELLIGENT WRITE PROTECTION FOR ENERGY ANOMALIES IN ENERGY-ASSISTED MAGNETIC RECORDING

ENERGY-ASSISTED MAGNETIC RECORDING DATA STORAGE DEVICE WITH OPPORTUNISTIC BOOSTED LASER PRE-BIASING

Data storage device with enhanced management of laser pre-bias and logic block addressing in heat-assisted magnetic recording

Energy-assisted magnetic recording data storage device with opportunistic boosted laser pre-biasing

Data storage device compensating for head/tape wear

Data storage device with burn-after-read mode

Data storage device configuration for accessing data in physical realms

Dynamic performance density tuning for data storage device

Data storage device converting disk surface to read-only

Data storage device formatting a disk surface with a write format and a read format

Dynamic hybrid shingled magnetic recording device

Identification of data with predetermined data pattern

STORING DATA BASED ON WRITING FREQUENCY IN DATA STORAGE SYSTEMS

Data storage device accessing garbage collected memory segments

Write pointer management for a disk drive

Systems and methods for handling write data access requests in data storage devices

Hybrid drive migrating high workload data from disk to non-volatile semiconductor memory

Electronic system with data management mechanism and method of operation thereof

Sorted serpentine mapping for storage drives

Opportunistic defragmentation during garbage collection

Hybrid drive converting non-volatile semiconductor memory to read only based on life remaining

Data management for data storage device with different track density regions

Hybrid drive changing power mode of disk channel when frequency of write data exceeds a threshold

Electronic system with media recovery mechanism and method of operation thereof

Data storage device shifting data chunks of alignment zone relative to sector boundaries

Hybrid drive migrating data from disk to non-volatile semiconductor memory based on accumulated access time

Prioritized access for media with heterogeneous access rates

Data storage device aligning partition to boundary of sector when partition offset correlates with offset of write commands

Disk drive steering write data to write cache based on workload

Hybrid drive writing copy of data to disk when non-volatile semiconductor memory nears end of life

Accelerated translation power recovery

Hard-disk drive work load profiling and capturing systems and methods

Garbage collection based on the inactivity level of stored data

Hybrid drive copying disk cache to non-volatile semiconductor memory

Hybrid drive balancing execution times for non-volatile semiconductor memory and disk

System and method for optimizing garbage collection in data storage

Disk drive mapping low frequency write addresses to circular buffer write zone

Disk drive selecting head for write operation based on environmental condition

Reading multiple metadata files across multiple tracks

Disk drive executing log structured writes to physical zones based on power mode

Hybrid drive storing redundant copies of data on disk and in non-volatile semiconductor memory based on read frequency

System and method for optimizing garbage collection in data storage

Data storage device employing a run-length mapping table and a single address mapping table

Data storage device employing data path protection using both LBA and PBA

Hybrid drive garbage collecting a non-volatile semiconductor memory by migrating valid data to a disk

Disk drive seeding data path protection with system data seed

Disk drive framing write data with in-line mapping data during write operations

Disk drive biasing a refresh monitor with write parameter of a write operation

Condensing a defect scan log for a disk of a disk drive

Disk drive employing boot disk space to expedite the boot operation for a host computer

Condensing a defect scan log for a disk of a disk drive

Disk drive write verifying unformatted data sectors

Disk drive employing different servo TPI to data TPI ratios across the disk surface

Disk drive storing parameters of a write operation in a plurality of data sectors

Disk drive prioritizing in-the-field defect scanning based on number of write operations in each of a plurality of defect zones

Disk drive maintaining multiple logs to expedite boot operation for a host computer

Disk drive returning dummy data to a host when reading an unwritten data sector

Disk drive including a delay circuit to provide a delayed reset signal

Disk drive modifying an update function for a refresh monitor in response to a measured duration

Method and apparatus for storing a stream of video data on a storage medium

Disk drive deferring refresh based on environmental conditions

Disk drive having a high performance access mode and a lower performance archive mode

Video recording system utilizing external video storage to record streaming video data via an isochronous interface

Disk drive refreshing zones in segments to sustain target throughput of host commands

Communicating program identifiers from a digital video recorder (DVR) to a set top box (STB) independent of when the STB demodulates the associated program data

Instruction prefetch caching for remote memory

Electronic program guide subsystem for receiving and processing electronic program guide information from a set-top box

Fetch operations in a disk drive control system

Set-top box that provides video data stream to a display device based on selection between recorded video signal received from the digital video recorder and a real-time video signal

Video recording system utilizing storage redundancy to transfer non-time-critical, error-intolerant data segments while transferring time-critical, error-tolerant streaming data segments at a required data transfer rate

Reducing micro-controller access time to data stored in a remote memory in a disk drive control system

Communicating between a digital video recorder (DVR) and a set top box (STB) to coordinate the display of a graphical user interface

Data stream control system for associating counter values with stored selected data packets from an incoming data transport stream to preserve interpacket time interval information

Communicating a channel-change event from a set top box to a digital video recorder

Digital video recorder employing a unique ID to interlock with encrypted video programs stored on a storage device

Digital video recorder for encrypting/decrypting video programs in segments to facilitate trick play features

Digital video recorder employing a file system encrypted using a pseudo-random sequence generated from a unique ID

Displaying a program guide responsive to electronic program guide data and program recording indicators