Inventor · Salem, MA, US

Hans J. Weedon

36Patents
14h-index
45Co-inventors
81Inventor score

Filing activity: Sep 23, 1977 → Aug 5, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5661774A Dual energy power supply Physics 155 Expired
US5970113A Computed tomography scanning apparatus and method with temperature compensation for dark current offsets Physics 63 Expired
US5577026A Apparatus for transferring data to and from a moving device Human Necessities 60 Expired
US5420537A High power solid state R.F. amplifier Electricity 45 Expired
US4163947A Current and voltage autozeroing integrator Physics 39 Expired
US5757219A Apparatus for and method of autozeroing the input of a charge-to-voltage converter Electricity 37 Expired
US5841829A Optimal channel filter for CT system with wobbling focal spot Emerging Cross-Sectional Technologies 34 Expired
US5053770A Digital autozero circuit operable in a plurality of modes with separate storage for offset corrections for each mode Electricity 28 Expired
US6252531A Data acquisition system using delta-sigma analog-to-digital signal converters Electricity 25 Expired
US5932874A Measurement and control system for controlling system functions as a function of rotational parameters of a rotating device Physics 19 Expired
US7230555B2 Sigma delta converter with flying capacitor input Electricity 17 Expired
US5553113A Auxiliary data acquisition in a medical imaging system Electricity 16 Expired
US5138552A Data acquisition system using non-linear digitization intervals Electricity 16 Expired
US5991358A Data acquisition system for generating accurate projection data in a CT scanner Emerging Cross-Sectional Technologies 14 Expired
US5499281A Apparatus for shielding and grounding x-ray detectors of a CT scanner Physics 14 Expired
US5734288A Apparatus for and method of autozeroing the output of a charge-to-voltage converter Physics 12 Expired
US4191929A Isolation amplifier with high linearity Electricity 11 Expired
US4350974A Logarithmic analog-to-digital converter Electricity 11 Expired
US5680427A Normalization of tomographic image data Electricity 10 Expired
US5220203A Variable pulse width precision pulse generator Electricity 9 Expired
US4569028A Adaptive digitizer circuit for information processing system Electricity 6 Expired
US9853694B2 Contactless communication signal transfer Electricity 5 Active
US6657571B2 Data acquisition system using delta-sigma analog-to-digital signal converters Electricity 4 Expired
US5034813A System for signal digitization by spaced interval sampling Electricity 3 Expired
US11344745B2 Treatment of neurological abnormalities using dynamic electroencephalography Human Necessities 3 Active

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