Inventor · Cookham, GB

Christopher Peter Hurrell

42Patents
9h-index
28Co-inventors
75Inventor score

Filing activity: Dec 12, 1995 → Aug 24, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6707403B1 Analog to digital converter with a calibration circuit for compensating for coupling capacitor errors, and a method for calibrating the analog to digital converter Electricity 51 Expired
US7038609B1 Successive approximation analog-to-digital converter with pre-loaded SAR registers Electricity 34 Expired
US7286075B2 Analog to digital converter with dither Electricity 26 Expired
US6828927B1 Successive approximation analog-to-digital converter with pre-loaded SAR registers Electricity 24 Expired
US7605741B2 Digitally corrected SAR converter including a correction DAC Electricity 20 Active
US7250880B2 Analog to digital converter Electricity 18 Expired
US8040264B2 Pipeline analog to digital converter and a residue amplifier for a pipeline analog to digital converter Electricity 17 Active
US7663518B2 Dither technique for improving dynamic non-linearity in an analog to digital converter, and an analog to digital converter having improved dynamic non-linearity Electricity 12 Active
US7944386B2 Apparatus for and method of performing an analog to digital conversion Electricity 12 Active
US5838598A Method and apparatus for gain correction of a sigma-delta converter Electricity 9 Expired
US8552897B1 Reference circuit suitable for use with an analog to digital converter and an analog to digital converter including such a reference circuit Electricity 8 Active
US7218259B2 Analog-to-digital converter with signal-to-noise ratio enhancement Electricity 8 Expired
US7274321B2 Analog to digital converter Electricity 8 Expired
US7924203B2 Most significant bits analog to digital converter, and an analog to digital converter including a most significant bits analog to digital converter Electricity 7 Active
US8994564B2 Analog to digital converter including a pre-charge circuit Electricity 6 Active
US7701256B2 Signal conditioning circuit, a comparator including such a conditioning circuit and a successive approximation converter including such a circuit Electricity 5 Active
US7589659B2 Successive approximation analog to digital converter Electricity 5 Active
US7936297B2 Analog to digital converter Electricity 4 Active
US8217703B2 Low power fast level shifter Electricity 4 Active
US10020068B2 Multiplexer distortion cancellation Electricity 3 Active
US10333543B1 Analog-to-digital converter with noise-shaped dither Electricity 3 Active
US9231539B2 Amplifier, a residue amplifier, and an ADC including a residue amplifier Electricity 2 Active
US9503055B2 Method of improving noise immunity in a signal processing apparatus, and a signal processing apparatus having improved noise immunity Electricity 2 Active
US7773020B2 Analog to digital converter Electricity 2 Active
US11545996B1 Low-noise, high-accuracy single-ended input stage for continuous-time sigma delta (CTSD) analog-to-digital converter (ADC) Electricity 2 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.