Inventor

COKER JONATHAN DARREL

US43 patents

⚠️ This page may combine multiple inventors who share the name “COKER JONATHAN DARREL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

COKER JONATHAN DARREL

HGST Netherlands BV

Disk drive with distributed codeword blocks

Dynamic variable capacity hard disk drive

Method and apparatus for dynamic track squeeze in a hard drive

Servo systems with augmented servo bursts

Actively written guard bands in a cold storage or mixed mode drive

Scalable repair block error correction for sequential multiple data blocks in a magnetic data storage device

System and method for initiating refresh operations

Disk drive with different data sector integrated preambles in adjacent data tracks

Disk drive including I-regions having configurable final logical block addresses

Disk drive with different synchronization fields and synchronization marks in the data sector preambles in adjacent data tracks

Low complexity inter-track interference cancellation receiver for magnetic multiple-input, multiple-output (MIMO) channel

IBM

Method and apparatus for implementing soft-input/soft-output iterative detectors/decoders

Method and apparatus for data detection for PRML data channels

Method and apparatus for selectively varying error correcting code (ECC) power in a direct access storage device (DASD)

Noise predictive maximum likelihood (NPML) detection methods and apparatus based thereon

Method and apparatus for implementing a set rate code for data channels with alternate 9-bit code words and 8-bit code words

Method and apparatus for servo data pattern detection

Method and apparatus for viterbi detection of generalized partial response signals using partial matched filter and matched filter metrics

Method and apparatus for Viterbi detection of generalized partial response signals including two-way add/compare/select for improved channel speed

Surface analysis test defect detector for direct access storage device

Method and apparatus for thermal asperity recovery for word sync detection in data channels

COKER JONATHAN DARREL

Storage device with shingled data and unshingled cache regions

Indirection memory architecture with reduced memory requirements for shingled magnetic recording devices

Shingled magnetic recording (SMR) disk drive with verification of written data

SMR storage device with user controls and access to status information and parameter settings

Information storage device with multiple-use fields in servo pattern

Information storage device with multiple-use fields in servo pattern

HITACHI GLOBAL STORAGE TECH

Data recording medium with servo pattern having pseudo-noise sequences

Method and apparatus for channel equalization with a digital FIR filter using a pseudo random sequence

Method and apparatus for enhanced phase alignment for direct access storage device (DASD)

Data recording system with servo pattern having pseudo-noise sequences

Method and apparatus for word synchronization with large coding distance and fault tolerance for PRML systems

MAYO FOUNDATION

Asynchronus communication system for remote monitoring of objects or an environment

Asynchronous communication system for remote monitoring of objects or an environment

OMNITIER STORAGE INC

Reversible hash generators for pairs of complementary sequences

Reversible hash generators for pairs of complementary sequences

HITACHI GLOBAL STORAGE TECH NL

Magnetic recording disk and disk drive with alternating single-polarity position error signal (PES) blocks for read/write head positioning

Using readback signals to estimate radial location on a rotating storage device

ALBRECHT THOMAS R

Patterned magnetic recording disk with patterned servo sectors having chevron servo patterns

BANDIC ZVONIMIR Z

Storage device with inline address indirection metadata storage

ALBRECHT THOMAS ROBERT

Patterned media for self-servowriting integrated servo fields

HALL DAVID ROBISON

Implementing enhanced fragmented stream handling in a shingled disk drive

CASSUTO YUVAL

Information storage device with multiple-use fields in servo pattern