Barbara J. Duffner
10Patents
6h-index
12Co-inventors
59Inventor score
Filing activity: May 14, 1997 → May 9, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6008670A | Differential CMOS logic family | Electricity | 34 | Expired |
| US6703956B1 | Technique for improved linearity of high-precision, low-current digital-to-analog converters | Electricity | 26 | Expired |
| US6909316B2 | Variable delay circuit with high resolution | Electricity | 13 | Expired |
| US5999028A | Differential circuits with adjustable propagation timing | Electricity | 11 | Expired |
| US6664851B1 | Selectable single mode or differential mode operation in a single amplifier | Electricity | 8 | Expired |
| US5982827A | Means for virtual deskewing of high/intermediate/low DUT data | Physics | 6 | Expired |
| US6950375B2 | Multi-phase clock time stamping | Physics | 5 | Expired |
| US8937846B2 | Write level training using dual frequencies in a double data-rate memory device interface | Physics | 4 | Active |
| US8902693B2 | System and method for per-bit de-skew for datamask in a double data-rate memory device interface | Physics | 4 | Active |
| US6819178B2 | Selectable single mode or differential mode operation in a single amplifier | Electricity | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.