Inventor · disambiguated record
Robert Karl Butler
Also filed as: BUTLER ROBERT K · BUTLER ROBERT KARL
7 granted patents·1 pending application·138 citations·filing 2002–2023
82Inventor score
Top patents by PatentIndex Score
8 records- 0196US7130604B1Harmonic rejection mixer and method of operationNAT SEMICONDUCTOR CORP·Filed 2002·Granted Oct 31, 2006·123 cites·34 claims
- 0289US11770116B1Duty cycle correction for high-speed clock signalsTEXAS INSTRUMENTS INC·Filed 2022·Granted Sep 26, 2023·5 cites·19 claims
- 0388US11784649B2High gain detector techniques for high bandwidth low noise phase-locked loopsTEXAS INSTRUMENTS INC·Filed 2021·Granted Oct 10, 2023·2 cites·18 claims
- 0472US7532043B1Signal detector output for cable driver applicationsNAT SEMICONDUCTOR CORP·Filed 2007·Granted May 12, 2009·5 cites·15 claims
- 0570US2024039542A1High Gain Detector Techniques for High Bandwidth Low Noise Phase-Locked LoopsTEXAS INSTRUMENTS INC·Filed 2023·Application pending·0 cites
- 0658US7538589B2Cable driver using signal detect to control input stage offsetNAT SEMICONDUCTOR CORP·Filed 2007·Granted May 26, 2009·1 cites·20 claims
- 0741US8294473B2Cable detectorBUTLER ROBERT KARL·Filed 2009·Granted Oct 23, 2012·2 cites·12 claims
- 0835US9954705B2Phase noise improvement techniques for wideband fractional-N synthesizersTEXAS INSTRUMENTS INC·Filed 2016·Granted Apr 24, 2018·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →