Glenn A. Walker
49Patents
8h-index
25Co-inventors
71Inventor score
Filing activity: Sep 5, 2002 → Feb 16, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7215713B2 | Method to minimize compatibility error in hierarchical modulation | Electricity | 46 | Expired |
| US7230992B2 | Method to create hierarchical modulation in OFDM | Electricity | 27 | Expired |
| US7480351B2 | Technique for demodulating level II hierarchical data | Electricity | 27 | Active |
| US7366246B2 | Method to maximize receiver performance in a multi-stream system | Electricity | 16 | Expired |
| US7903629B2 | Hierarchically modulated OFDM communication from a satellite-based transmitter with reduced secondary data loss from clipping | Electricity | 14 | Active |
| US7606327B2 | Method to receive local information with a national broadcast service | Electricity | 11 | Expired |
| US8005418B2 | Vehicle oriented switched antenna system | Electricity | 10 | Active |
| US7398050B2 | Method and apparatus for processing air-borne digital data received in a motor vehicle | Electricity | 8 | Active |
| US7231177B2 | Audio system with first and second units having wireless interface, and audio recievers therefor | Electricity | 6 | Expired |
| US7295805B2 | Digital RF receiver and method of dynamically adjusting a multi-cluster memory buffer | Electricity | 6 | Expired |
| US7280613B2 | Method to inject hierarchical data onto single carrier stream | Electricity | 5 | Expired |
| US6999858B2 | Method and apparatus for detecting the removal of a vehicle antenna and subsequently authenticating the user | Electricity | 5 | Expired |
| US7280662B2 | Time-shifting data in digital radio system | Electricity | 5 | Expired |
| US8442425B2 | Satellite receiver performance enhancements | Electricity | 4 | Active |
| US7230998B2 | Method to increase performance of secondary data in a hierarchical modulation scheme | Electricity | 4 | Expired |
| US7792482B2 | Communication service subscription management | Electricity | 3 | Active |
| US7656966B2 | Method to increase performance of secondary data in a heirarchial modulation scheme | Electricity | 3 | Active |
| US7773697B2 | Method to demodulate amplitude offsets in a differential modulation system | Electricity | 3 | Active |
| US7657225B2 | Method to minimize compatibility error in hierarchical modulation using variable phase | Electricity | 3 | Active |
| US7830983B2 | Method to minimize degradation in a D-MPSK hierarchical modulation system | Electricity | 2 | Active |
| US7095757B2 | System and method for optimizing terrestrial signal acquisition in a communication system | Electricity | 2 | Expired |
| US7835692B2 | Communication system and method of receiving high priority signals and low priority signals | Electricity | 2 | Active |
| US7564907B2 | Technique for providing secondary data in a single-frequency network | Electricity | 2 | Active |
| US8548407B2 | Apparatus to communicate multiple signals from multiple antennas on a single cable | Electricity | 1 | Active |
| US8842043B2 | Methods to extend the frequency lock range of a received RF signal using a preamble-based frequency estimate | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.