Inventor · disambiguated record
David L. Freeman
Also filed as: FREEMAN DAVID · FREEMAN DAVID L · FREEMAN DAVID LOUIS
20 granted patents·1 pending application·1,345 citations·filing 1990–2015
96Inventor score
Files withTEXAS INSTRUMENTS INC8BENCHMARQ MICROELECT INC6BENCHMARQ MICROELECTRONICS2HAGAN TOBIN D2CORSI MARCO1
Top patents by PatentIndex Score
21 records- 0197US6832171B2Circuit and method for determining battery impedance increase with agingTEXAS INSTRUMENTS INC·Filed 2003·Granted Dec 14, 2004·227 cites·37 claims
- 0296US6892148B2Circuit and method for measurement of battery capacity fadeTEXAS INSTRUMENTS INC·Filed 2003·Granted May 10, 2005·158 cites·24 claims
- 0395US6789026B2Circuit and method for monitoring battery state of chargeTEXAS INSTRUMENTS INC·Filed 2003·Granted Sep 7, 2004·126 cites·38 claims
- 0492US5284719AMethod and apparatus for monitoring battery capacityBENCHMARQ MICROELECT INC·Filed 1992·Granted Feb 8, 1994·99 cites·43 claims
- 0589US6577135B1Battery pack with monitoring function utilizing association with a battery charging systemTEXAS INSTRUMENTS INC·Filed 2002·Granted Jun 10, 2003·82 cites·7 claims
- 0685US6650089B1Control circuit for multiple battery systems with capacity gauge on end equipmentTEXAS INSTRUMENTS INC·Filed 2002·Granted Nov 18, 2003·76 cites·20 claims
- 0784US5432429ASystem for charging/monitoring batteries for a microprocessor based systemBENCHMARQ MICROELECT INC·Filed 1990·Granted Jul 11, 1995·104 cites·6 claims
- 0883US6377028B1System for charging monitoring batteries for a microprocessor based methodTEXAS INSTRUMENTS INC·Filed 1996·Granted Apr 23, 2002·104 cites·7 claims
- 0979US5965997ABattery monitoring circuit with storage of charge and discharge accumulation values accessible therefromBENCHMARQ MICROELECTRONICS·Filed 1997·Granted Oct 12, 1999·73 cites·31 claims
- 1079US5440221AMethod and apparatus for monitoring batttery capacity with charge controlBENCHMARQ MICROELECT INC·Filed 1992·Granted Aug 8, 1995·84 cites·15 claims
- 1174US6369576B1Battery pack with monitoring function for use in a battery charging systemTEXAS INSTRUMENTS INC·Filed 1997·Granted Apr 9, 2002·59 cites·4 claims
- 1269US8575845B2Method and apparatus to measure light intensityHAGAN TOBIN D·Filed 2011·Granted Nov 5, 2013·2 cites·13 claims
- 1369US5357203ABattery monitoring circuit for operating with high battery discharge ratesBENCHMARQ MICROELECT INC·Filed 1992·Granted Oct 18, 1994·50 cites·12 claims
- 1466US6107802ABattery pack with monitoring function utilizing association with a battery charging systemFiled 1998·Granted Aug 22, 2000·48 cites·7 claims
- 1566US5454710ADisplay system for a battery monitoring circuitBENCHMARQ MICROELECT INC·Filed 1994·Granted Oct 3, 1995·31 cites·15 claims
- 1665US8570012B2Diode for use in a switched mode power supplyHAGAN TOBIN D·Filed 2011·Granted Oct 29, 2013·2 cites·8 claims
- 1760US9222802B2Sensor power managementNARAYANAN SRIRAM·Filed 2012·Granted Dec 29, 2015·1 cites·14 claims
- 1859US5548204ALinear/switching regulator circuitBENCHMARQ MICROELECTRONICS·Filed 1994·Granted Aug 20, 1996·16 cites·16 claims
- 1958US10823581B2Sensor power managementTEXAS INSTRUMENTS INC·Filed 2015·Granted Nov 3, 2020·0 cites·3 claims
- 2036US2012106211A1Power factor and line distortion method and apparatusCORSI MARCO·Filed 2010·Application pending·0 cites
- 2134US5744942ALinear slewing regulatorBENCHMARQ MICROELECT INC·Filed 1996·Granted Apr 28, 1998·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →