Daniel David Harrison
48Patents
21h-index
47Co-inventors
85Inventor score
Filing activity: Apr 3, 1989 → Jun 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5682139A | Railcar location using mutter networks and locomotive transmitter during transit | Physics | 289 | Expired |
| US5896304A | Low power parallel correlator for measuring correlation between digital signal segments | Emerging Cross-Sectional Technologies | 189 | Expired |
| US6028887A | Power efficient receiver | Emerging Cross-Sectional Technologies | 138 | Expired |
| US5977909A | Method and apparatus for locating an object using reduced number of GPS satellite signals or with improved accuracy | Physics | 104 | Expired |
| US5608412A | Protocol and mechanism for mutter mode communication for stationary master tracking unit | Electricity | 98 | Expired |
| US6324213A | Asset tracking system employing reduced order GPS with compressed GPS satellite identification data | Physics | 80 | Expired |
| US6262672A | Reduced cost automatic meter reading system and method using locally communicating utility meters | Emerging Cross-Sectional Technologies | 73 | Expired |
| US6104978A | GPS-based centralized tracking system with reduced energy consumption | Physics | 71 | Expired |
| US4936680A | Method of, and apparatus for, edge enhancement of fingerprint minutia | Physics | 70 | Expired |
| US6298229A | GPS receiver for emergency location reporting during intermittent shadowing | Electricity | 69 | Expired |
| US6151353A | Pre-acquisition frequency offset removal in a GPS receiver | Emerging Cross-Sectional Technologies | 69 | Expired |
| US5752218A | Reduced-power GPS-based system for tracking multiple objects from a central location | Physics | 58 | Expired |
| US6028883A | Low power signal processing for spread spectrum receivers | Emerging Cross-Sectional Technologies | 53 | Expired |
| US6118808A | GPS receiver with efficient signal acquisition | Emerging Cross-Sectional Technologies | 50 | Expired |
| US6961441B1 | Method and apparatus for steganographic embedding of meta-data | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5982811A | Method for efficient sampling in a correlator | Emerging Cross-Sectional Technologies | 42 | Expired |
| US6009118A | Parallel correlator for a spread spectrum receiver | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5530424A | Apparatus and method for high data rate communication in a computerized tomography system | Electricity | 26 | Expired |
| US5530425A | Radiation shielded apparatus for high data rate communication in a computerized tomography system | Physics | 24 | Expired |
| US6816360B2 | Reduced cost automatic meter reading system and method using locally communicating utility meters | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5530422A | Differentially driven transmission line for high data rate communication in a computerized tomography system | Physics | 24 | Expired |
| US7885375B2 | Method and system for X-ray imaging | Human Necessities | 20 | Active |
| US5987059A | Method for Doppler-replica harmonic avoidance | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6366231B1 | Integrate and fold analog-to-digital converter with saturation prevention | Electricity | 19 | Expired |
| US5646962A | Apparatus for reducing electromagnetic radiation from a differentially driven transmission line used for high data rate communication in a computerized tomography system | Electricity | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.