P

Inventor

BEHRENS RICHARD T

US73 patents
⚠️ This page may combine multiple inventors who share the name “BEHRENS RICHARD T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CIRRUS LOGIC INC

37 patents
US6009549ADec 28, 1999

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

CIRRUS LOGIC INC249 citations99
US5802118ASep 1, 1998

Sub-sampled discrete time read channel for computer storage systems

CIRRUS LOGIC INC188 citations99
US5291499AMar 1, 1994

Method and apparatus for reduced-complexity viterbi-type sequence detectors

CIRRUS LOGIC INC150 citations99
US6646822B1Nov 11, 2003

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

CIRRUS LOGIC INC99 citations98
US5892632AApr 6, 1999

Sampled amplitude read channel employing a residue number system FIR filter in an adaptive equalizer and in interpolated timing recovery

CIRRUS LOGIC INC117 citations98
US5796535AAug 18, 1998

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

CIRRUS LOGIC INC137 citations98
US5761212AJun 2, 1998

Channel quality

CIRRUS LOGIC INC99 citations98
US5754353AMay 19, 1998

Channel quality circuit in a sampled amplitude read channel

CIRRUS LOGIC INC99 citations98
US5696639ADec 9, 1997

Sampled amplitude read channel employing interpolated timing recovery

CIRRUS LOGIC INC122 citations98
US6208481B1Mar 27, 2001

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

CIRRUS LOGIC INC101 citations97
US5999355ADec 7, 1999

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

CIRRUS LOGIC INC101 citations97
US6819514B1Nov 16, 2004

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

CIRRUS LOGIC INC55 citations96
US6005731ADec 21, 1999

Channel quality circuit employing a test pattern generator in a sampled amplitude read channel for calibration

CIRRUS LOGIC INC68 citations96
US6005727ADec 21, 1999

Servo decoder for decoding an error correcting servo code recorded on a disc storage medium

CIRRUS LOGIC INC62 citations96
US5909332AJun 1, 1999

Sampled amplitude read channel employing interpolated timing recovery

CIRRUS LOGIC INC48 citations96
US5844509ADec 1, 1998

Synchronous read channel employing a data randomizer

CIRRUS LOGIC INC23 citations96
US5754352AMay 19, 1998

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

CIRRUS LOGIC INC72 citations96
US5576904ANov 19, 1996

Timing gradient smoothing circuit in a synchronous read channel

CIRRUS LOGIC INC40 citations96
US5424881AJun 13, 1995

Synchronous read channel

CIRRUS LOGIC INC81 citations96
US5359631AOct 25, 1994

Timing recovery circuit for synchronous waveform sampling

CIRRUS LOGIC INC71 citations96
US6108151AAug 22, 2000

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

CIRRUS LOGIC INC34 citations95
US6021011AFeb 1, 2000

Synchronous read channel employing a digital center frequency setting for a variable frequency oscillator in discrete time timing recovery

CIRRUS LOGIC INC30 citations95
US5978162ANov 2, 1999

Synchronous read channel integrated circuit employing a channel quality circuit for calibration

CIRRUS LOGIC INC23 citations95
US5844911ADec 1, 1998

Disc storage system with spare sectors dispersed at a regular interval around a data track to reduced access latency

CIRRUS LOGIC INC122 citations95
US5812334ASep 22, 1998

Synchronous read channel employing discrete timing recovery, transition detector, and sequence detector

CIRRUS LOGIC INC34 citations95
US5771127AJun 23, 1998

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

CIRRUS LOGIC INC66 citations95
US5844738ADec 1, 1998

Synchronous read channel employing a sequence detector with programmable detector levels

CIRRUS LOGIC INC17 citations93
US6345074B1Feb 5, 2002

Maximum likelihood servo detector for detecting an error correcting servo code recorded on a disc storage medium

CIRRUS LOGIC INC26 citations92
US5987634ANov 16, 1999

Channel quality circuit in a sampled amplitude read channel

CIRRUS LOGIC INC30 citations92
US5903857AMay 11, 1999

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

CIRRUS LOGIC INC34 citations92
US5786951AJul 28, 1998

Sampled amplitude read channel employing a discrete time noise generator for calibration

CIRRUS LOGIC INC52 citations92
US5760984AJun 2, 1998

Cost reduced interpolated timing recovery in a sampled amplitude read channel

CIRRUS LOGIC INC40 citations92
US5729396AMar 17, 1998

Fault tolerant sync mark detector enabled relative to a frequency of an acquisition preamble for sampled amplitude recording

CIRRUS LOGIC INC39 citations92
US5717619AFeb 10, 1998

Cost reduced time varying fir filter

CIRRUS LOGIC INC45 citations92
US5623377AApr 22, 1997

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

CIRRUS LOGIC INC40 citations92
US5329554AJul 12, 1994

Digital pulse detector

CIRRUS LOGIC INC36 citations92
US5297184AMar 22, 1994

Gain control circuit for synchronous waveform sampling

CIRRUS LOGIC INC34 citations92

SILICON LAB INC

9 patents

SILICON LAB

2 patents

VISHAKHADATTA G DIWAKAR

1 patent

CIRRUS LOGICE INC

1 patent

Showing the top 50 of 73 patents by PatentIndex Score.