Inventor · Rochester, MN, US

Matthew James Paschal

27Patents
10h-index
30Co-inventors
75Inventor score

Filing activity: Feb 14, 1996 → Oct 19, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5712580A Linear phase detector for half-speed quadrature clocking architecture Electricity 85 Expired
US6265857A Constant current source circuit with variable temperature compensation Emerging Cross-Sectional Technologies 30 Expired
US9681104B2 Distributed control of a heterogeneous video surveillance network Electricity 27 Active
US9041812B2 Automated authorization to access surveillance video based on pre-specified events Electricity 27 Active
US6181191A Dual current source circuit with temperature coefficients of equal and opposite magnitude Physics 23 Expired
US8934754B2 Providing emergency access to surveillance video Electricity 21 Active
US6462852B1 Selectable low-voltage differential signal/current mode logic (LVDS/CML) receiver with the option of AC or DC coupling Electricity 19 Expired
US6532245B1 Vertical cavity surface emitting laser (VCSEL) driver with low duty cycle distortion and digital modulation adjustment Electricity 11 Expired
US5789989A Delay interpolating voltage-controlled oscillator with linear transfer function Electricity 11 Expired
US6624917B1 Optical power adjustment circuits for parallel optical transmitters Electricity 10 Expired
US9071807B2 Providing emergency access to surveillance video Electricity 9 Active
US8531203B2 Mask alignment, rotation and bias monitor utilizing threshold voltage dependence Electricity 7 Active
US9369263B1 Calibration of sampling phase and aperature errors in multi-phase sampling systems Electricity 7 Active
US6658030B1 Laser safety method and device for duplex open loop parallel optical link Electricity 5 Expired
US10075157B1 Bidirectional interface using thin oxide devices Electricity 5 Active
US7002128B2 Laser diode driving circuit with safety feature Electricity 4 Expired
US6798990B2 Laser safety method for DC coupled parallel optical link Electricity 4 Expired
US9191632B2 Automated authorization to access surveillance video based on pre-specified events Electricity 4 Active
US9312860B1 Gated differential logic circuit Physics 2 Active
US10897225B1 Oscillator failure detection circuit Electricity 2 Active
US6928242B1 Built in self test method and circuit for parallel optical transmitters Electricity 1 Expired
US10211205B2 Field effect transistor structure for reducing contact resistance Electricity 1 Active
US6091750A Method and apparatus for providing hot plugging protection for laser optoelectronic devices Electricity 1 Expired
US11775002B2 Redundant clock switch Physics 0 Active
US9681103B2 Distributed control of a heterogeneous video surveillance network Electricity 0 Active

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