Inventor

HUTCHINS ROBERT A

US106 patents

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

HUTCHINS ROBERT A

IBM

Combining information from parallel servo channels

Combining information from parallel servo channels

Synchronous servo channel for longitudinal position detection and position error signal generation in tape drive systems

Read channel apparatus for asynchronous sampling and synchronous equalization

Bit stream rate asynchronous digital phase-locked loop

Asynchronous digital threshold detector for a digital data storage channel

Data-transition threshold following in optical recording

Dual digital phase locked loop clock channel for optical recording

High-density pattern detector for hybrid servo patterns

Post-decoding error check with diagnostics for product codes

Error protection of data stored using variable-length headers

Decoding of product codes

Symbol timing recovery scheme for parallel recording channel systems

Dynamic gain control for use with adaptive equalizers

Combination error and erasure decoding for product codes

Asynchronous asymmetry compensation for data read from a storage medium

Iterative data storage read channel architecture having dropout mitigation

Detecting a servo pattern using a data channel in a magnetic tape drive

Tape header protection scheme for use in a tape storage subsystem

Block-interleaved and error correction code (ECC)-encoded sub data set (SDS) format

Robust metric computation of longitudinal position (LPOS) data symbol detection

Reverse concatenation for product codes

Reverse concatenation for product codes

Gain control for data-dependent detection in magnetic storage read channels

Apparatus and method to dynamically adjust the amplitude of a signal comprising information

Clock controller employing a discrete time control loop method for clocking data in an asynchronous channel

Magnetic tape recording in data format using an efficient reverse concatenated modulation code

Reading from record medium in either an inverted or non-inverted signal-processing mode

Discrete time control loop method and apparatus for clocking data in an asynchronous channel

Partial reverse concatenation for data storage devices using composite codes

Partial reverse concatenation for data storage devices using composite codes

Asynchronous asymmetry compensation for data read from a storage medium

Decoding of product codes

Efficient recovery of the codeword interleave address

Symbol timing recovery scheme for parallel recording channel systems

High-rate skew estimation

Adjustable interpolation sampling interval for tape systems

Pipelined architecture for iterative decoding of product codes

Tape header format having efficient and robust codeword interleave designation (CWID) protection

Dynamic gain control for use with adaptive equalizers

Constraining FIR filter taps in an adaptive architecture

Optimum tape layout selection for improved error correction capability

CIDECIYAN ROY D

Methods for partial reverse concatenation for data storage devices using composite codes

Partial reverse concatenation for data storage devices using composite codes

Data format using an efficient reverse concatenated modulation code for magnetic tape recording

BLINICK KATHERINE T

Adaptive soft-output detector for magnetic tape read channels

Adaptive soft-output detector for magnetic tape read channels

CHERUBINI GIOVANNI

Robust metric computation of longitudinal position (LPOS) data symbol detection

GLOBALFOUNDRIES INC

Tape header protection scheme for use in a tape storage subsystem

ELEFTHERIOU EVANGELOS S

16-state adaptive noise predictive maximum-likelihood detection system