Inventor · disambiguated record
David A. Smith
Also filed as: SMITH DAVID · SMITH DAVID A · SMITH DAVID ANTHONY
56 granted patents·4 pending applications·3,722 citations·filing 1974–2023
99Inventor score
Files withASTEC INT LTD24ERICSSON TELEFON AB L M6EASTMAN KODAK CO4BELL COMMUNICATIONS RES3MOVAZ NETWORKS INC3
Top patents by PatentIndex Score
60 records- 0198US5493154ATemperature share schemeASTEC INT LTD·Filed 1993·Granted Feb 20, 1996·237 cites·4 claims
- 0297US5475441AElectronic camera with memory card interface to a computerEASTMAN KODAK CO·Filed 1992·Granted Dec 12, 1995·418 cites·10 claims
- 0397US5001620APower factor improvementASTEC INT LTD·Filed 1989·Granted Mar 19, 1991·197 cites·19 claims
- 0496US6087922AFolded foil transformer constructionASTEC INT LTD·Filed 1998·Granted Jul 11, 2000·120 cites·20 claims
- 0596US5175525ALow profile transformerASTEC INT LTD·Filed 1991·Granted Dec 29, 1992·125 cites·13 claims
- 0694US6694073B2Reconfigurable free space wavelength cross connectMOVAZ NETWORKS INC·Filed 2002·Granted Feb 17, 2004·85 cites·42 claims
- 0794US5430633AMulti-resonant clamped flyback converterASTEC INT LTD·Filed 1993·Granted Jul 4, 1995·136 cites·17 claims
- 0893US6614288B1Adaptive drive circuit for zero-voltage and low-voltage switchesASTEC INT LTD·Filed 2000·Granted Sep 2, 2003·57 cites·27 claims
- 0993US5506617AElectronic camera incorporating a computer-compatible bus interfaceEASTMAN KODAK CO·Filed 1992·Granted Apr 9, 1996·184 cites·26 claims
- 1093US4618767ALow-energy scanning transmission electron microscopeIBM·Filed 1985·Granted Oct 21, 1986·66 cites·14 claims
- 1192US6798941B2Variable transmission multi-channel optical switchMOVAZ NETWORKS INC·Filed 2001·Granted Sep 28, 2004·76 cites·37 claims
- 1290US5410467APower converters with improved switching efficiencyASTEC INT LTD·Filed 1993·Granted Apr 25, 1995·97 cites·27 claims
- 1390US5177431ALinear programming circuit for adjustable output voltage power convertersASTEC INT LTD·Filed 1991·Granted Jan 5, 1993·64 cites·24 claims
- 1490US5002349AIntegrated acousto-optic filters and switchesBELL COMMUNICATIONS RES·Filed 1989·Granted Mar 26, 1991·81 cites·24 claims
- 1589US6997914B2Implantable access portHORIZON MEDICAL PRODUCTS INC·Filed 2002·Granted Feb 14, 2006·179 cites·14 claims
- 1688US6810165B2Optical cross connect utilizing free space optics and an array of micro mirrorsMOVAZ NETWORKS INC·Filed 2004·Granted Oct 26, 2004·42 cites·17 claims
- 1788US6212242B1Method and apparatus for transmitting communication signals using transmission space diversity and frequency diversityERICSSON TELEFON AB L M·Filed 1999·Granted Apr 3, 2001·88 cites·18 claims
- 1888US6006075AMethod and apparatus for transmitting communication signals using transmission space diversity and frequency diversityERICSSON TELEFON AB L M·Filed 1996·Granted Dec 21, 1999·96 cites·17 claims
- 1988USD340907SPower converter moduleASTEC INT LTD·Filed 1991·Granted Nov 2, 1993·35 cites·1 claims
- 2087US6295213B1Circuit for efficiently clamping a power converter's reset voltage and for providing auxiliary powerASTEC INT LTD·Filed 2000·Granted Sep 25, 2001·58 cites·18 claims
- 2187US5694297AIntegrated circuit mounting structure including a switching power supplyASTEC INT LTD·Filed 1995·Granted Dec 2, 1997·79 cites·5 claims
- 2285US5680142ACommunication system and method utilizing an antenna having adaptive characteristicsFiled 1995·Granted Oct 21, 1997·97 cites·23 claims
- 2385US5438294AGate drive circuitASTEC INT LTD·Filed 1993·Granted Aug 1, 1995·77 cites·20 claims
- 2484US5341489AMemory card with programmable interleavingEASTMAN KODAK CO·Filed 1992·Granted Aug 23, 1994·137 cites·21 claims
- 2584US5331533AZero voltage switching power convertersASTEC INT LTD·Filed 1992·Granted Jul 19, 1994·56 cites·39 claims
- 2684US4977493AEfficient snubber for rectifier circuitsASTEC INT LTD·Filed 1989·Granted Dec 11, 1990·48 cites·14 claims
- 2781US8803465B1Frequency-selective command profile motion controlSMITH DAVID A·Filed 2012·Granted Aug 12, 2014·7 cites·25 claims
- 2881US5206800AZero voltage switching power converter with secondary side regulationASTEC INT LTD·Filed 1992·Granted Apr 27, 1993·61 cites·13 claims
- 2981US5173846AZero voltage switching power converterASTEC INT LTD·Filed 1991·Granted Dec 22, 1992·49 cites·25 claims
- 3080US5133029AAdiabatic polarization splitterBELL COMMUNICATIONS RES·Filed 1991·Granted Jul 21, 1992·59 cites·14 claims
- 3179US5309344ADual active clamp, zero voltage switching power converterASTEC INT LTD·Filed 1992·Granted May 3, 1994·45 cites·29 claims
- 3278US6469895B1Integrated circuit mounting structure including a switching power supplyASTEC INT LTD·Filed 1997·Granted Oct 22, 2002·46 cites·10 claims
- 3378US5218653APolarization converter with apodized acoustic waveguideBELL COMMUNICATIONS RES·Filed 1991·Granted Jun 8, 1993·50 cites·10 claims
- 3475US7905621B1In-grade lighting fixtureGENLYTE THOMAS GROUP LLC·Filed 2008·Granted Mar 15, 2011·13 cites·20 claims
- 3575US7366938B2Reset in a system-on-chip circuitSGS THOMSON MICROELECTRONICS·Filed 2005·Granted Apr 29, 2008·8 cites·23 claims
- 3675US6243565B1Method and apparatus for transmitting communication signals using frequency and polarization diversityERICSSON TELEFON AB L M·Filed 1997·Granted Jun 5, 2001·89 cites·14 claims
- 3774US5642355AMethod of supporting extended range in a TDMA systemERICSSON TELEFON AB L M·Filed 1995·Granted Jun 24, 1997·71 cites·20 claims
- 3873US5097403ACurrent sensing synchronous rectifier apparatusASTEC INT LTD·Filed 1991·Granted Mar 17, 1992·37 cites·27 claims
- 3972US4773019AMicroprocessor laser control system for multiplane balancing of rotorsMECHANICAL TECH INC·Filed 1986·Granted Sep 20, 1988·32 cites·3 claims
- 4059US7325018B2Design flow checkerSGS THOMSON MICROELECTRONICS·Filed 2001·Granted Jan 29, 2008·7 cites·27 claims
- 4158US3969671ACharging current voltmeterSMITH DAVID A·Filed 1974·Granted Jul 13, 1976·10 cites·9 claims
- 4258US2025071936A1Microchannel cooling block and cooling system including the sameHRL LAB LLC·Filed 2023·Application pending·0 cites
- 4357US6118679ACurrent sharing transformer circuit for power convertersASTEC INT LTD·Filed 1999·Granted Sep 12, 2000·23 cites·18 claims
- 4457US5809017AMethod of minimizing undersirable RF emissions within a TDMA systemERICSSON TELEFON AB L M·Filed 1995·Granted Sep 15, 1998·49 cites·11 claims
- 4556US12431945B2Reconfigurable beamformer, particularly for 5G NRTEKO TELECOM S R L·Filed 2021·Granted Sep 30, 2025·0 cites·18 claims
- 4656US4925700AProcess for fabricating high density disc storage deviceIBM·Filed 1988·Granted May 15, 1990·11 cites·15 claims
- 4755US5304875AEfficient transistor drive circuit for electrical power converter circuits and the likeASTEC INT LTD·Filed 1992·Granted Apr 19, 1994·23 cites·15 claims
- 4854US7011436B2In-grade light fixture with hydraulic isolationGENLYTE THOMAS GROUP LLC·Filed 2003·Granted Mar 14, 2006·7 cites·10 claims
- 4950US5459348AHeat sink and electromagnetic interference shield assemblyASTEC INT LTD·Filed 1991·Granted Oct 17, 1995·20 cites·7 claims
- 5049US2023277106A1Hot flash multi-sensor circuit systemSTANFORD RES INST INT·Filed 2021·Application pending·0 cites
Showing the top 50 of 60 patent records by PatentIndex Score.
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