Jean-Francois Helard
11Patents
7h-index
19Co-inventors
63Inventor score
Filing activity: Jan 31, 1991 → May 3, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5197061A | Device for the transmission of digital data with at least two levels of protection and corresponding reception device | Electricity | 208 | Expired |
| US5274629A | Method for the broadcasting of digital data, notably for radio broadcasting at high bit rate towards mobile receivers, with time-frequency interlacing and coherent demodulation | Electricity | 129 | Expired |
| USRE36430E | Device for the transmission of digital data with at least two levels of protection and corresponding reception device | General | 74 | Expired |
| US6459744B1 | Multi-carrier symbol synchronization | Electricity | 28 | Expired |
| US5329537A | Method of maximum likelihood decoding with sub-sampled decoding trellis, and corresponding decoding device | Electricity | 15 | Expired |
| US7023265B1 | Equalizing method in receivers using a combination of multiple carrier and code division multiple access modulating techniques | Electricity | 12 | Expired |
| US8804861B2 | Peak-to-average power ratio reduction in a multicarrier signal | Electricity | 8 | Active |
| US7725091B2 | Method and device for transmitting a signal in a multi-antenna system, signal, and method for estimating the corresponding transmission channels | Electricity | 4 | Active |
| US10361897B2 | Peak-to-average power ratio reduction in a multi-carrier signal | Electricity | 0 | Active |
| US8358990B2 | Method and device for transmitting a signal in a multi-antenna system, signal, and method for estimating the corresponding transmission channels | Electricity | 0 | Active |
| US7447288B2 | Method for demodulating a signal integrating phase error effect and corresponding receiver | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.