Inventor · disambiguated record
Klaas Wortel
Also filed as: WORTEL KLAAS
19 granted patents·3 pending applications·363 citations·filing 1998–2017
94Inventor score
Top patents by PatentIndex Score
22 records- 0197US6838942B1Efficient class-G amplifier with wide output voltage swingSTANDARD MICROSYST SMC·Filed 2003·Granted Jan 4, 2005·118 cites·32 claims
- 0287US6133797ASelf calibrating VCO correction circuit and method of operationMOTOROLA INC·Filed 1999·Granted Oct 17, 2000·83 cites·15 claims
- 0386US6819196B2Crystal oscillator with control feedback to maintain oscillationSTANDARD MICROSYST SMC·Filed 2003·Granted Nov 16, 2004·24 cites·18 claims
- 0485US10013013B1Bandgap voltage referenceNXP BV·Filed 2017·Granted Jul 3, 2018·8 cites·18 claims
- 0584US6496556B1Step-down clock control and method for improving convergence for a digitally controlled self-calibrating VCOMOTOROLA INC·Filed 2002·Granted Dec 17, 2002·34 cites·6 claims
- 0680US6703894B1Baseband filter for receiversSTANDARD MICROSYST SMC·Filed 2003·Granted Mar 9, 2004·21 cites·20 claims
- 0774US8478222B2I/Q calibration for walking-IF architecturesWORTEL KLAAS·Filed 2008·Granted Jul 2, 2013·8 cites·29 claims
- 0865US6806742B1Phase detector for low power applicationsSTANDARD MICROSYST SMC·Filed 2003·Granted Oct 19, 2004·12 cites·20 claims
- 0965US6369647B1Demodulator circuit and method of tuningMOTOROLA INC·Filed 2000·Granted Apr 9, 2002·14 cites·17 claims
- 1064US7310498B2Communication protocol for personal computer system human interface devices over a low bandwidth, bi-directional radio frequency linkSTANDARD MICROSYST SMC·Filed 2003·Granted Dec 18, 2007·10 cites·25 claims
- 1163US7415260B2Current-mode direct conversion receiverSTANDARD MICROSYST SMC·Filed 2004·Granted Aug 19, 2008·7 cites·36 claims
- 1262US7043222B2FSK modulator using IQ up-mixers and sinewave coded DACsSTANDARD MICROSYST SMC·Filed 2003·Granted May 9, 2006·8 cites·20 claims
- 1358US7055047B2Selective implementation of power management schemes based on detected computer operating environmentSTANDARD MICROSYST SMC·Filed 2003·Granted May 30, 2006·6 cites·40 claims
- 1445US6263199B1Circuit and method of signal frequency conversionMOTOROLA INC·Filed 1998·Granted Jul 17, 2001·10 cites·18 claims
- 1545US2006039408A1Budget sensor busSTANDARD MICROSYST SMC·Filed 2004·Application pending·0 cites
- 1644US9608481B2Inductive power supplyNXP BV·Filed 2014·Granted Mar 28, 2017·0 cites·15 claims
- 1740US10097140B1Method and system for amplifier calibrationNXP BV·Filed 2017·Granted Oct 9, 2018·0 cites·20 claims
- 1839US2004157571A1Enhanced register based FSK demodulatorWORTEL KLAAS·Filed 2003·Application pending·0 cites
- 1937US2005179035A1Apparatus and method to access a plurality of pn-junctions with a limited number of pinsFiled 2004·Application pending·0 cites
- 2036US6965653B2Circuit and method for processing an automatic frequency control signalFREESCALE SEMICONDUCTOR INC·Filed 2000·Granted Nov 15, 2005·0 cites·21 claims
- 2133US6906587B2Current controlled bridge amplifierSTANDARD MICROSYST SMC·Filed 2003·Granted Jun 14, 2005·0 cites·20 claims
- 2224US6137997ACircuit for receiving and transmitting signals and methodMOTOROLA INC·Filed 1998·Granted Oct 24, 2000·0 cites·5 claims
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