Inventor · Shillington, PA, US

Dale H. Nelson

35Patents
14h-index
32Co-inventors
81Inventor score

Filing activity: Sep 29, 1978 → Jun 30, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US5425360A Molded pulse oximeter sensor Emerging Cross-Sectional Technologies 137 Expired
US5671529A Method of forming a molded pulse oximeter sensor Emerging Cross-Sectional Technologies 104 Expired
US6244865A Tongue positioning device with optional filter Human Necessities 83 Expired
US6278332A Charge pump for low-voltage, low-jitter phase locked loops Electricity 74 Expired
US6320469A Lock detector for phase-locked loop Emerging Cross-Sectional Technologies 52 Expired
US5463520A Electrostatic discharge protection with hysteresis trigger circuit Electricity 38 Expired
US6831976B1 Telephone line-powered power supply for ancillary equipment and method of operation thereof Electricity 35 Expired
US6552618B2 VCO gain self-calibration for low voltage phase lock-loop applications Electricity 32 Expired
US6504437B1 Low-noise, fast-lock phase-lock loop with “gearshifting” control Electricity 29 Expired
US6091307A Rapid turn-on, controlled amplitude crystal oscillator Electricity 27 Expired
US6046647A Voltage-controlled oscillator Electricity 20 Expired
US6396357B1 Low voltage differential voltage-controlled ring oscillator Electricity 19 Expired
US6160446A Balanced differential amplifier without common-mode feedback circuit Electricity 17 Expired
US5327302A Data filter tuning for constant density recording applications Physics 15 Expired
US5357208A Boost function for filters Electricity 14 Expired
US5311088A Transconductance cell with improved linearity Electricity 14 Expired
US6946884B2 Fractional-N baseband frequency synthesizer in bluetooth applications Electricity 14 Expired
US6163183A Multifunction reset for mixed-signal integrated circuits Electricity 13 Expired
US6654469B1 Methods and devices for reducing sampling noise in analog signals using linear interpolation Electricity 11 Expired
US6040728A Active substrate noise injection cancellation Electricity 11 Expired
US5610505A Voltage-to-current converter with MOS reference resistor Electricity 7 Expired
US6259311A Method and apparatus for tuning filters Electricity 6 Expired
US4196318A Electronically-switched multifrequency generator for providing tone signaling Electricity 6 Expired
US4523266A AC to DC conversion system with current spreading circuit Electricity 5 Expired
US6144853A Method and apparatus for digital cordless telephony Electricity 5 Expired

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