Inventor · Tucson, AZ, US

Joel M. Halbert

26Patents
9h-index
21Co-inventors
75Inventor score

Filing activity: Oct 20, 1983 → Aug 31, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US4641246A Sampling waveform digitizer for dynamic testing of high speed data conversion components Electricity 61 Expired
US4807147A Sampling wave-form digitizer for dynamic testing of high speed data conversion components Electricity 53 Expired
US4763107A Subranging analog-to-digital converter with multiplexed input amplifier isolation circuit between subtraction node and LSB encoder Electricity 28 Expired
US4718036A Comparator-integrator loop for digitizing a waveform Electricity 23 Expired
US6278326A Current mirror circuit Electricity 22 Expired
US6163216A Wideband operational amplifier Electricity 13 Expired
US6552613B2 Output stage amplifier with compensation circuitry Electricity 12 Expired
US4777470A High speed successive approximation register in analog-to-digital converter Electricity 10 Expired
US6724260B2 Low power current feedback amplifier Electricity 10 Expired
US5623232A Topography for integrated circuit operational amplifier having low impedance input for current feedback Electricity 8 Expired
US7236055B2 Differential amplifier circuit and method for reducing thermally induced offsets caused by large differential signals Electricity 7 Expired
US7345542B2 Circuit and method for avoiding circuit performance degradation caused by time-variable thermal imbalances Electricity 6 Expired
US6504419B1 High-speed closed loop switch and method for video and communications signals Electricity 6 Expired
US5627495A Topography for integrated circuit operational amplifier Electricity 5 Expired
US6429744B2 Method for bias rail buffering Electricity 5 Expired
US6297699A Bias rail buffer circuit and method Electricity 3 Expired
US6870426B2 Output stage, amplifier and associated method for limiting an amplifier output Electricity 2 Expired
US11990879B2 Fully-differential amplifier with input common-mode voltage control Electricity 1 Active
US10522663B2 Integrated JFET structure with implanted backgate Electricity 1 Active
US11722104B2 Control of input bias current modulation in amplifiers Electricity 0 Active
US11764740B2 Control of base currents for output driver transistors in amplifiers Electricity 0 Active
US9991329B2 Method and structure for dual sheet resistance trimmable thin film resistors at same level Electricity 0 Active
US11676993B2 Method and structure for dual sheet resistance trimmable thin film resistors Electricity 0 Active
US10079294B2 Integrated JFET structure with implanted backgate Electricity 0 Active
US9507409B2 Transition rate controlled bus driver circuit with reduced load sensitivity Physics 0 Active

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