William Roeckner
30Patents
14h-index
25Co-inventors
81Inventor score
Filing activity: Jul 29, 1994 → Nov 20, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7312654B2 | Quiet power up and power down of a digital audio amplifier | Electricity | 39 | Expired |
| US5995033A | Signal conditioning circuit including a combined ADC/DAC, sensor system, and method therefor | Electricity | 32 | Expired |
| US7777563B2 | Spread spectrum pulse width modulation method and apparatus | Electricity | 32 | Active |
| US6504427B2 | Switching amplifier having digital correction and method therefor | Electricity | 29 | Expired |
| US6473457B1 | Method and apparatus for producing a pulse width modulated signal | Electricity | 26 | Expired |
| US6606044B2 | Method and apparatus for generating a pulse width modulated signal | Electricity | 25 | Expired |
| US5678227A | Apparatus and method for minimizing the turn on time for a receiver operating in a discontinuous receive mode | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6922100B2 | Method and apparatus for switching amplification having variable sample point and variable order correction | Electricity | 19 | Expired |
| US6665338B1 | Circuitry for converting a sampled digital signal to a naturally sampled digital signal and method therefor | Electricity | 17 | Expired |
| US5551078A | Apparatus and method for minimizing the turn on time for a receiver operating in a discontinuous receive mode | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5805466A | Device and method for calibrating a signal | Physics | 15 | Expired |
| US6605991B2 | Circuitry for creating a spectral null in a differential output switching amplifier and method therefor | Electricity | 14 | Expired |
| US6041007A | Device with programmable memory and method of programming | Physics | 14 | Expired |
| US6819912B2 | Variable frequency switching amplifier and method therefor | Electricity | 14 | Expired |
| US6023191A | Method and apparatus for detecting an input signal | Electricity | 11 | Expired |
| US7825726B2 | Digital pulse width modulation for half bridge amplifiers | Electricity | 10 | Active |
| US8761707B1 | Radio frequency low noise amplifier load circuit | Electricity | 8 | Active |
| US5939693A | Polynomial calculator device, and method therefor | Physics | 7 | Expired |
| US7629840B2 | Digital pulse width modulated feedback system for a switching amplifier and method therefor | Electricity | 6 | Active |
| US7227487B1 | Digital saturation handling in integral noise shaping of pulse width modulation | Electricity | 6 | Expired |
| US7382039B2 | Edge seal for improving integrated circuit noise isolation | Electricity | 5 | Expired |
| US5586149A | Interference dependent adaptive phase clock controller | Electricity | 4 | Expired |
| US7142597B2 | Full bridge integral noise shaping for quantization of pulse width modulation signals | Electricity | 3 | Expired |
| US8228117B2 | Quiet power up and power down of closed loop digital PWM modulators | Electricity | 3 | Active |
| US8278902B2 | DC to DC switching power converter controller using spread spectrum PWM | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.