David E. Reed
43Patents
22h-index
35Co-inventors
85Inventor score
Filing activity: Nov 14, 1994 → Nov 10, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5802118A | Sub-sampled discrete time read channel for computer storage systems | Physics | 169 | Expired |
| US5796535A | Sampled amplitude read channel employing a user data frequency synthesizer and a servo data frequency synthesizer | Physics | 93 | Expired |
| US6646822B1 | Sampled amplitude read channel employing pipelined reads to reduce the gap between sectors | Physics | 74 | Expired |
| US5726818A | Magnetic disk sampled amplitude read channel employing interpolated timing recovery for synchronous detection of embedded servo data | Electricity | 64 | Expired |
| US6023386A | Fault tolerant sync mark detector for synchronizing a time varying sequence detector in a sampled amplitude read channel | Physics | 63 | Expired |
| US6490110B2 | Servo data detection with improved phase shift tolerance | Physics | 55 | Expired |
| US6052248A | Parity channel code for enhancing the operation of a remod/demod sequence detector in a d=1 sampled amplitude read channel | Physics | 55 | Expired |
| US5961658A | PR4 equalization and an EPR4 remod/demod sequence detector in a sampled amplitude read channel | Physics | 53 | Expired |
| US7884681B1 | Radio frequency power amplifier improvements using pre-distortion of an amplitude modulation power supply | Electricity | 49 | Active |
| US6005727A | Servo decoder for decoding an error correcting servo code recorded on a disc storage medium | Physics | 45 | Expired |
| US5771127A | Sampled amplitude read channel employing interpolated timing recovery and a remod/demod sequence detector | Physics | 44 | Expired |
| US5966415A | Adaptive equalization in a sub-sampled read channel for a disk storage system | Electricity | 42 | Expired |
| US7181205B1 | I/Q calibration | Electricity | 41 | Expired |
| US6246723A | Sampled amplitude read channel employing early-decisions from a trellis sequence detector for sampling value estimation | Electricity | 39 | Expired |
| US5668678A | Detecting servo data and servo bursts from discrete time samples of an analog read signal in a sampled amplitude read channel | Physics | 39 | Expired |
| US6028728A | Sampled amplitude read/write channel employing a sub-baud rate write clock | Physics | 36 | Expired |
| US6819514B1 | Adaptive equalization and interpolated timing recovery in a sampled amplitude read channel for magnetic recording | Physics | 35 | Expired |
| US6115198A | PR4 sampled amplitude read channel for detecting user data and embedded servo data | Physics | 32 | Expired |
| US5926490A | Sampled amplitude read channel employing a remod/demod sequence detector guided by an error syndrome | Physics | 29 | Expired |
| US8159309B1 | Windowing to narrow a bandwidth of an amplitude modulation power supply input signal | Emerging Cross-Sectional Technologies | 28 | Active |
| US6038091A | Magnetic disk drive read channel with digital thermal asperity detector | Physics | 28 | Expired |
| US6680807B1 | Servo mark detection for a disk drive system | Physics | 23 | Expired |
| US5854714A | Digital servo demodulation for sampled amplitude magnetic recording | Physics | 22 | Expired |
| US6144513A | Detecting servo data and servo bursts from discrete time samples of an analog read signal in a sampled amplitude read channel | Physics | 21 | Expired |
| US6108151A | Sampled amplitude read channel for reading user data and embedded servo data from a magnetic medium | Physics | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.