Inventor · Greensboro, NC, US

Carl W. Moreland

20Patents
9h-index
15Co-inventors
72Inventor score

Filing activity: Dec 1, 1994 → Jun 21, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5757220A Digitally controlled programmable attenuator Electricity 34 Expired
US5861831A Intermediate frequency (IF) sampling clock-to-clock auto-ranging analog-to-digital converter (ADC) and method Electricity 33 Expired
US5554943A Analog to digital converter having a magnitude amplifier with an improved differential input amplifier Electricity 22 Expired
US6294902A Bandgap reference having power supply ripple rejection Physics 19 Expired
US6753732B1 Accurate, wide-band, low-noise variable-gain amplifier structures and gain control methods Electricity 16 Expired
US5684419A n-bit analog-to-digital converter with n-1 magnitude amplifiers and n comparators Electricity 12 Expired
US6304201A Precision digital-to-analog converters and methods having programmable trim adjustments Electricity 12 Expired
US8729902B1 Metal detector analysis and display methods Physics 12 Active
US6686864B1 Pipelined analog-to-digital converters with gain-matching structures Electricity 10 Expired
US5673047A Gain-compensating differential reference circuit Electricity 8 Expired
US5534794A Selectable logic output stage Electricity 7 Expired
US6163290A Linearizing structures and methods for unity-gain folding amplifiers Electricity 7 Expired
US9207315B1 Metal detector with motion sensing Physics 7 Active
US5539338A Input or output selectable circuit pin Electricity 6 Expired
US9285496B1 Truncated half-sine methods for metal detectors Physics 4 Active
US6822519B1 Synthesizer structures and alignment methods that facilitate quadrature demodulation Electricity 4 Expired
US8749240B1 Time domain method and apparatus for metal detectors Physics 4 Active
US6191619A Translators and methods for converting differential signals to single-ended signals Electricity 2 Expired
US6307491A Trim systems and methods having temporary and permanent operational modes Electricity 0 Expired
US11022712B2 Multi-frequency metal detector Physics 0 Active

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