Matthew D. Felder
45Patents
7h-index
18Co-inventors
66Inventor score
Filing activity: Apr 3, 1998 → Feb 10, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6507223B2 | Differential line driver having adjustable common mode operation | Electricity | 18 | Expired |
| US6370244B1 | Efficient digital ITU-compliant zero-buffering DTMF detection using the non-uniform discrete fourier transform | Electricity | 17 | Expired |
| US7821501B2 | Touch screen driver and methods for use therewith | Physics | 16 | Active |
| US7254244B2 | Pop and click reduction using DAC power up and power down processing | Electricity | 13 | Expired |
| US6373277B1 | Line driver having variable impedance termination | Electricity | 13 | Expired |
| US7209069B2 | Successive approximation analog-to-digital converter with current steered digital-to-analog converter | Electricity | 9 | Expired |
| US7501794B2 | System, method and semiconductor device for charging a secondary battery | Electricity | 8 | Expired |
| US7104684B2 | On-chip digital thermometer to sense and measure device temperatures | Physics | 7 | Expired |
| US7402981B2 | Method and apparatus to perform battery charging using a DC-DC converter circuit | Electricity | 6 | Expired |
| US8106892B2 | Touch screen driver for resolving plural contemporaneous touches and methods for use therewith | Physics | 6 | Active |
| US7876911B2 | Headphone driver and methods for use therewith | Electricity | 5 | Active |
| US7551017B2 | Level shifter and methods for use therewith | Electricity | 5 | Active |
| US7676206B2 | Low noise, low distortion radio receiver front-end | Electricity | 5 | Active |
| US6608896B2 | Efficient digital ITU-compliant zero-buffering DTMF detection using the non-uniform discrete Fourier transform | Electricity | 5 | Expired |
| US7321261B2 | Full swing amplifying circuit and applications thereof | Electricity | 5 | Active |
| US7786698B2 | Charging a secondary battery | Electricity | 4 | Active |
| US6967468B2 | Overvoltage and backflow current protection for a battery charger | Electricity | 4 | Expired |
| US7583216B2 | Adjustable DAC and applications thereof | Electricity | 4 | Active |
| US7246027B2 | Power optimization of a mixed-signal system on an integrated circuit | Physics | 4 | Expired |
| US7030695B2 | Low threshold voltage circuit employing a high threshold voltage output stage | Electricity | 4 | Expired |
| US7602862B2 | Mixing module and methods for use therewith | Electricity | 3 | Active |
| US8836560B2 | Digital to analog converters with adjustable output resolution | Electricity | 3 | Active |
| US7278119B2 | Battery-optimized system-on-a-chip and applications thereof | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8014533B2 | Audio output driver for reducing electromagnetic interference and improving audio channel performance | Electricity | 3 | Active |
| US7106241B1 | Controlled sampling module and method for use therewith | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.