Inventor · Cupertino, CA, US

Eric B. Rodal

31Patents
20h-index
15Co-inventors
82Inventor score

Filing activity: Jun 12, 1991 → Jun 18, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5592173A GPS receiver having a low power standby mode Emerging Cross-Sectional Technologies 423 Expired
US5650785A Low power GPS receiver Physics 145 Expired
US6122506A GSM cellular telephone and GPS receiver combination Electricity 120 Expired
US5173715A Antenna with curved dipole elements Electricity 110 Expired
US5594453A GPS receiver having a rapid acquisition of GPS satellite signals Physics 96 Expired
US5521610A Curved dipole antenna with center-post amplifier Electricity 75 Expired
US5629708A GPS receiver having an initial adjustment for correcting for drift in reference frequency Physics 73 Expired
US5467095A Low profile antenna Electricity 60 Expired
US6088650A Vehicle tracker, mileage-time monitor and calibrator Physics 59 Expired
US6115595A Integrated circuit using a power supply input for digital logic Physics 57 Expired
US6356602B1 RF integrated circuit for downconverting a GPS signal Electricity 56 Expired
US5604506A Dual frequency vertical antenna Electricity 54 Expired
US5187450A Voltage controlled oscillator suitable for complete implementation within a semiconductor integrated circuit Electricity 45 Expired
US5564098A Ultra low-power integrated circuit for pseudo-baseband down-conversion of GPS RF signals Electricity 40 Expired
US5654717A GPS/radio antenna combination Physics 39 Expired
US5987378A Vehicle tracker mileage-time monitor and calibrator Physics 38 Expired
US5831577A GPS/radio antenna combination Physics 35 Expired
US6353796B1 Vehicle tracker, mileage-time monitor and calibrator Physics 32 Expired
US5408193A Active circuit filter for reducing conducted radiation from a load back to its power supply Physics 26 Expired
US5691726A GPS/radio antenna combination Physics 20 Expired
US5719587A Dual frequency vertical antenna Electricity 15 Expired
US5764172A Hybrid DAC suitable for use in a GPS receiver Electricity 12 Expired
US9716433B2 Control of conversion ratios of a power source block and a bidirectional active filter Electricity 11 Active
US5883596A GPS timing receiver using oversampling Physics 9 Expired
US5748144A GPS timing receiver using oversampling Physics 6 Expired

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