Inventor · Austin, TX, US

Rex Baird

14Patents
9h-index
8Co-inventors
57Inventor score

Filing activity: Mar 31, 1999 → Nov 6, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US6753738B1 Impedance tuning circuit Electricity 67 Expired
US6630868B2 Digitally-synthesized loop filter circuit particularly useful for a phase locked loop Electricity 40 Expired
US6459394B1 Multi-bank flash ADC array with uninterrupted operation during offset calibration and auto-zero Electricity 27 Expired
US6204787A Circuits and methods for gain ranging in an analog modulator and systems using the same Electricity 27 Expired
US6765445B2 Digitally-synthesized loop filter circuit particularly useful for a phase locked loop Electricity 24 Expired
US7133485B1 Feedback system incorporating slow digital switching for glitch-free state changes Electricity 19 Expired
US6686803B1 Integrated circuit incorporating circuitry for determining which of at least two possible frequencies is present on an externally provided reference signal and method therefor Electricity 17 Expired
US6552979B1 Optical servo control circuits and methods using pulse width modulation and offset control for driving an electromechanical motor Physics 10 Expired
US7613267B2 Digitally-synthesized loop filter method and circuit particularly useful for a phase locked loop Electricity 10 Active
US7463098B2 Feedback system incorporating slow digital switching for glitch-free state changes Electricity 8 Active
US6650614B1 Optical disk pickup using current mode signal exchanges and systems and methods using the same Electricity 7 Expired
US7031236B2 Optical disk pickup using current mode signal exchanges and systems and methods using the same Electricity 2 Expired
US6418110B1 Optical disk pickup system using current division signal transmission and methods and optical disk systems using the same Physics 2 Expired
US7679455B2 Technique for expanding an input signal Electricity 1 Active

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