Charles Razzell
39Patents
5h-index
19Co-inventors
66Inventor score
Filing activity: Aug 28, 2000 → Nov 16, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6975692B2 | Scaling of demodulated data in an interleaver memory | Electricity | 25 | Expired |
| US6901105B1 | Tracking of a multi-path resolved signal in a rake receiver | Electricity | 9 | Expired |
| US10777851B2 | Multipoint communication systems for battery management systems, and associated systems and methods | Emerging Cross-Sectional Technologies | 8 | Active |
| US8542827B2 | Shared encryption key generation via accelerometer digitization | Electricity | 7 | Active |
| US8009724B2 | Clear channel assessment (CCA) for UWB communications system | Emerging Cross-Sectional Technologies | 5 | Active |
| US8615621B2 | Memory management | Physics | 4 | Active |
| US8958769B1 | Direct conversion receiver for angle modulated signals | Electricity | 4 | Active |
| US8103234B2 | Automatic gain control using signal and interference power to obtain extended blocking performance | Electricity | 3 | Active |
| US9231538B1 | Energy efficient, low distortion amplification apparatus | Electricity | 3 | Active |
| US10735104B2 | Systems and methods for analog electronic polarization control for coherent optical receivers | Electricity | 3 | Active |
| US11239909B2 | Dynamic error quantizer tuning systems and methods | Electricity | 3 | Active |
| US10985843B2 | Systems and methods for polarization control using blind source separation | Electricity | 3 | Active |
| US8340599B2 | Swept notch ultra wide band (UWB) transmitter | Electricity | 2 | Active |
| US8331424B2 | Serialization of multi-band sequence keying for ultra wideband receiver architecture with reduced complexity and power consumption | Emerging Cross-Sectional Technologies | 2 | Active |
| US7536159B2 | Automatic gain control using signal and interference power to obtain extended blocking performance | Electricity | 2 | Expired |
| US7809067B2 | Multi-carrier OFDM UWB communications systems | Electricity | 2 | Active |
| US8442171B2 | Digital correction of analog polyphase filters | Electricity | 2 | Active |
| US8126096B2 | System, apparatus, and method for multi-band OFDM systems with receiver antenna selection per sub-band | Electricity | 2 | Active |
| US6954486B2 | Early-late detection | Electricity | 1 | Expired |
| US11184203B2 | Systems and methods for identifying polarization/quadrature channels in dual-polarization coherent optical transmission | Electricity | 1 | Active |
| US10187115B2 | Systems and methods for DC power line communication in a photovoltaic system | Emerging Cross-Sectional Technologies | 1 | Active |
| US11385336B2 | Time of flight sensors and sensing methods | Physics | 1 | Active |
| US10680717B2 | Systems and methods for polarization control using blind source separation | Electricity | 1 | Active |
| US11811460B2 | Analog coherent signal processing systems and methods | Electricity | 1 | Active |
| US11233574B2 | Analog coherent signal processing systems and methods | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.