Inventor · disambiguated record
Lloyd A. Walls
Also filed as: WALLS LLOYD · WALLS LLOYD A · WALLS LLOYD ANDRE
40 granted patents·4 pending applications·591 citations·filing 1981–2022
98Inventor score
Top patents by PatentIndex Score
44 records- 0188US5663663AMixed voltage interface converterIBM·Filed 1996·Granted Sep 2, 1997·54 cites·12 claims
- 0285US7863724B2Circuit substrate having post-fed die side power supply connectionsIBM·Filed 2008·Granted Jan 4, 2011·11 cites·14 claims
- 0384US7510323B2Multi-layered thermal sensor for integrated circuits and other layered structuresIBM·Filed 2006·Granted Mar 31, 2009·13 cites·1 claims
- 0483US8425115B2Multi-layered thermal sensor for integrated circuits and other layered structuresRAHMAN AQUILUR·Filed 2011·Granted Apr 23, 2013·6 cites·6 claims
- 0576US5635761AInternal resistor termination in multi-chip module environmentsIBM·Filed 1994·Granted Jun 3, 1997·57 cites·19 claims
- 0676US5530377AMethod and apparatus for active termination of a line driver/receiverIBM·Filed 1995·Granted Jun 25, 1996·99 cites·12 claims
- 0774US5761246ACircuit for multiplexing a plurality of signals on one transmission line between chipsIBM·Filed 1995·Granted Jun 2, 1998·51 cites·11 claims
- 0873US9368852B2Method for performing frequency band splittingIBM·Filed 2014·Granted Jun 14, 2016·2 cites·3 claims
- 0972US10795573B2Method and apparatus for virtual braille keyboardIBM·Filed 2016·Granted Oct 6, 2020·2 cites·5 claims
- 1071US5506457AElectronic switch for decoupling capacitorIBM·Filed 1995·Granted Apr 9, 1996·27 cites·7 claims
- 1171US4862077AProbe card apparatus and method of providing same with reconfigurable probe card circuitryIBM·Filed 1989·Granted Aug 29, 1989·29 cites·21 claims
- 1270US10542618B1Printed circuit board with routing of a conductor and dielectric strandsIBM·Filed 2018·Granted Jan 21, 2020·1 cites·7 claims
- 1370US6771675B1Method for facilitating simultaneous multi-directional transmission of multiple signals between multiple circuits using a single transmission lineIBM·Filed 2000·Granted Aug 3, 2004·15 cites·16 claims
- 1470US5541534AMixed voltage interface converterIBM·Filed 1995·Granted Jul 30, 1996·23 cites·3 claims
- 1568US8586476B2Fabrication method for circuit substrate having post-fed die side power supply connectionsDOURIET DANIEL·Filed 2010·Granted Nov 19, 2013·2 cites·11 claims
- 1666US9893400B2Method for performing frequency band splittingIBM·Filed 2015·Granted Feb 13, 2018·1 cites·3 claims
- 1765US5864584ACircuitry for allowing two drivers to communicate with two receivers using one transmission lineIBM·Filed 1995·Granted Jan 26, 1999·52 cites·11 claims
- 1863US10620253B2Noise modulation for on-chip noise measurementIBM·Filed 2017·Granted Apr 14, 2020·0 cites·20 claims
- 1963US7946763B2Multi-layered thermal sensor for integrated circuits and other layered structuresIBM·Filed 2009·Granted May 24, 2011·3 cites·7 claims
- 2063US5541535ACMOS simultaneous transmission bidirectional driver/receiverIBM·Filed 1994·Granted Jul 30, 1996·42 cites·19 claims
- 2161US11596054B2Method of producing printed circuit boards with routing conductors and dielectric strandsIBM·Filed 2019·Granted Feb 28, 2023·0 cites·20 claims
- 2261US7095788B1Circuit for facilitating simultaneous multi-directional transmission of multiple signals between multiple circuits using a single transmission lineIBM·Filed 2000·Granted Aug 22, 2006·7 cites·17 claims
- 2360US5789937AImpedence self-adjusting driver circuitIBM·Filed 1996·Granted Aug 4, 1998·18 cites·11 claims
- 2457US9835665B2Noise modulation for on-chip noise measurementIBM·Filed 2014·Granted Dec 5, 2017·0 cites·11 claims
- 2557US9797938B2Noise modulation for on-chip noise measurementIBM·Filed 2014·Granted Oct 24, 2017·0 cites·14 claims
- 2655US9536604B1Impedance matching system for DDR memoryIBM·Filed 2016·Granted Jan 3, 2017·1 cites·17 claims
- 2755US8358509B2Reduced wiring requirements with signal slope manipulationIBM·Filed 2009·Granted Jan 22, 2013·2 cites·29 claims
- 2854US9548769B2Reduced wiring requirements with signal slope manipulationIBM·Filed 2014·Granted Jan 17, 2017·0 cites·29 claims
- 2954US9118144B2Multi-level connector and use thereof that mitigates data signaling reflectionsHASSE MICHAEL D·Filed 2012·Granted Aug 25, 2015·3 cites·19 claims
- 3053US8722536B2Fabrication method for circuit substrate having post-fed die side power supply connectionsIBM·Filed 2013·Granted May 13, 2014·0 cites·14 claims
- 3152US8158461B2Continuously referencing signals over multiple layers in laminate packagesPREDA FRANCESCO·Filed 2009·Granted Apr 17, 2012·0 cites·13 claims
- 3252US5770969AControllable decoupling capacitorIBM·Filed 1995·Granted Jun 23, 1998·18 cites·14 claims
- 3352US2014167886A1Plating Stub Resonance Shift with Filter Stub Design MethodologyIBM·Filed 2013·Application pending·0 cites
- 3451US8716851B2Continuously referencing signals over multiple layers in laminate packagesPREDA FRANCESCO·Filed 2012·Granted May 6, 2014·0 cites·20 claims
- 3551US2024008186A1Real-time control of via stub drilling depth asymmetryIBM·Filed 2022·Application pending·0 cites
- 3650US5534812ACommunication between chips having different voltage levelsIBM·Filed 1995·Granted Jul 9, 1996·28 cites·13 claims
- 3749US6337884B1Circuitry for allowing two drivers to communicate with two receivers using one transmission lineIBM·Filed 1998·Granted Jan 8, 2002·19 cites·17 claims
- 3849US2013328645A1Plating Stub Resonance Shift with Filter Stub Design MethodologyNA NANJU·Filed 2012·Application pending·0 cites
- 3946US9253874B2Printed circuit board having DC blocking dielectric waveguide viasIBM·Filed 2012·Granted Feb 2, 2016·0 cites·10 claims
- 4046US2008093726A1Continuously Referencing Signals over Multiple Layers in Laminate PackagesPREDA FRANCESCO·Filed 2006·Application pending·0 cites
- 4145US8743558B2Reduced wiring requirements with signal slope manipulationBILLS KEVIN J·Filed 2012·Granted Jun 3, 2014·0 cites·25 claims
- 4244US4459609ACharge-stabilized memoryIBM·Filed 1981·Granted Jul 10, 1984·5 cites·22 claims
- 4343US9209583B2Multi-level connector and use thereof that mitigates data signaling reflectionsIBM·Filed 2013·Granted Dec 8, 2015·0 cites·2 claims
- 4439US10705134B2High speed chip substrate test fixtureIBM·Filed 2017·Granted Jul 7, 2020·0 cites·20 claims
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