Lisa Fredrickson
25Patents
12h-index
19Co-inventors
78Inventor score
Filing activity: Dec 29, 1993 → Jun 29, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5691993A | Rate 4/5 trellis code for PR4 channels with improved error propagation | Electricity | 104 | Expired |
| US6493162B1 | Frame synchronization for viterbi detector | Physics | 63 | Expired |
| US5805799A | Data integrity and cross-check code with logical block address | Physics | 43 | Expired |
| US6233289A | High rate trellis code for partial response channels | Physics | 36 | Expired |
| US5497384A | Permuted trellis codes for input restricted partial response channels | Electricity | 30 | Expired |
| US6154870A | Signal error-correction system and method | Electricity | 25 | Expired |
| US5548600A | Method and means for generating and detecting spectrally constrained coded partial response waveforms using a time varying trellis modified by selective output state splitting | Electricity | 17 | Expired |
| US5757826A | Word-wise processing for reed-solomon codes | Electricity | 16 | Expired |
| US5778009A | Dedicated ALU architecture for 10-bit Reed-Solomon error correction module | Physics | 15 | Expired |
| US6100829A | Method and apparatus for a digital peak detection system including a countdown timer | Physics | 14 | Expired |
| US6400288B1 | Method and apparatus for generating code words with shifted tribit error protection | Electricity | 13 | Expired |
| US5801649A | Matched spectral null encoder/decoder | Physics | 13 | Expired |
| US5485472A | Trellis codes with algebraic constraints for input restricted partial response channels | Electricity | 12 | Expired |
| US6195028A | Amplifier gain control method using conditional updating | Physics | 5 | Expired |
| US6317856A | Encoder and a method of encoding for partial response channels | Electricity | 5 | Expired |
| US6263032A | Phase detector estimator | Electricity | 4 | Expired |
| US7082564B2 | High throughput Reed-Solomon encoder | Electricity | 4 | Expired |
| US6826723B2 | Multi-rate reed-solomon encoders | Electricity | 4 | Expired |
| US6104765A | Asymmetric channel data detection compensation | Physics | 4 | Expired |
| US8145727B2 | Network accessible media object index | Physics | 2 | Active |
| US6000052A | Signal conditioning system for controlling data retrieval channel characteristics in which errors in samples are segregated by association with intended sample values to control selected characteristics | Physics | 2 | Expired |
| US6470474B1 | Method and apparatus for identifying errors in a detected sequence of values | Physics | 2 | Expired |
| US7123668B2 | Simple detector and method for QPSK symbols | Electricity | 1 | Expired |
| US7117425B2 | Decoder architecture for reed solomon codes | Electricity | 1 | Expired |
| US9191029B2 | Additional error correction apparatus and method | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.