Inventor

BLISS WILLIAM G

US58 patents

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

BLISS WILLIAM G

CIRRUS LOGIC INC

Disk storage system employing error detection and correction of channel coded data, interpolated timing recovery, and retroactive/split-segment symbol synchronization

Sub-sampled discrete time read channel for computer storage systems

Equalization for sample value estimation and sequence detection in a sampled amplitude read channel

Sampled amplitude read channel employing pipelined reads to reduce the gap between sectors

Simplified branch metric for reducing the cost of a trellis sequence detector in a sampled amplitude read channel

Fault tolerant sync mark detector for synchronizing a time varying sequence detector in a sampled amplitude read channel

Sampled amplitude read channel employing a user data frequency synthesizer and a servo data frequency synthesizer

Gain and phase constrained adaptive equalizing filter in a sampled amplitude read channel for magnetic recording

System and method for control of low frequency input levels to an amplifier and compensation of input offsets of the amplifier

Gain and phase constrained adaptive equalizing filter in a sampled amplitude read channel for magnetic recording

Adaptive equalization and interpolated timing recovery in a sampled amplitude read channel for magnetic recording

Sampled amplitude read channel employing early-decisions from a trellis sequence detector for sampling value estimation

Parity channel code for enhancing the operation of a remod/demod sequence detector in a d=1 sampled amplitude read channel

Trellis coding system for disc storage systems

Adaptive equalization in a sub-sampled read channel for a disk storage system

Asynchronous/synchronous digital gain control loop in a sampled amplitude read channel

Synchronous read channel employing an expected sample value generator for acquiring a preamble

Magnetic disk sampled amplitude read channel employing interpolated timing recovery for synchronous detection of embedded servo data

Read channel having auto-zeroing and offset compensation, and power-down between servo fields

Real time media defect scanning in a sampled amplitude read channel

Optimizing operation of a disk storage system by increasing the gain of a non-linear transducer and correcting the non-linear distortions using a non-linear correction circuit

Sampled amplitude read channel employing a trellis sequence detector matched to a channel code constraint and a post processor for correcting errors in the detected binary sequence using the signal samples and an error syndrome

Asynchronous/synchronous gain control for interpolated timing recovery in a sampled amplitude read channel

Sampled amplitude read channel for reading user data and embedded servo data from a magnetic medium

PR4 equalization and an EPR4 remod/demod sequence detector in a sampled amplitude read channel

Sampled amplitude read channel employing interpolated timing recovery and a remod/demod sequence detector

Detecting servo data and servo bursts from discrete time samples of an analog read signal in a sampled amplitude read channel

PR4 sampled amplitude read channel for detecting user data and embedded servo data

Digital servo demodulation for sampled amplitude magnetic recording

Timing recovery frequency error detector for sampled amplitude magnetic recording

Magnetic disk drive read channel with digital thermal asperity detector

Channel quality circuit in a sampled amplitude read channel

Sampled amplitude read channel employing a remod/demod sequence detector guided by an error syndrome

Method and apparatus for calibrating an analog filter in a sampled amplitude read channel

Fixed sample rate sampled amplitude read channel for zoned magnetic recording

Filtering a read signal to attenuate secondary pulses caused by pole tips of a thin film magnetic read head

Sampled amplitude read channel employing a baud rate estimator for digital timing recovery in an optical disk storage device

Detecting servo data and servo bursts from discrete time samples of an analog read signal in a sampled amplitude read channel

Re-timing and up-sampling a sub-sampled user data signal from in an optical disk

Read channel

2,2,1 Asymmetric partial response target in a sampled amplitude read channel for disk storage systems

INFINEON TECHNOLOGIES AG

Total error multiplier for optimizing read/write channel

Efficient analog front end for a read/write channel of a hard disk drive running from a highly regulated power supply

Multiproperty 16/17 trellis code

Modulation coding based on an ECC interleave structure

Off-track interference emulator

Method and apparatus for Viterbi detector state metric re-normalization

ST MICROELECTRONICS INC

Iterative decoder with stopping criterion generated from error location polynomial

Finite field based short error propagation modulation codes

MARVELL INT LTD

Method and apparatus for a data-dependent noise predictive viterbi