Inventor · disambiguated record
Alan E. Brown
Also filed as: BROWN ALAN E
45 granted patents·3,174 citations·filing 1988–2001
99Inventor score
Top patents by PatentIndex Score
45 records- 0198US5727928AFan speed monitoring system for determining the speed of a PWM fanDELL USA LP·Filed 1995·Granted Mar 17, 1998·175 cites·26 claims
- 0297US5592072AHigh performance dual section voltage regulatorDELL USA LP·Filed 1995·Granted Jan 7, 1997·129 cites·12 claims
- 0396US5960207ASystem and method for reducing power losses by gating an active power factor conversion processDELL USA LP·Filed 1997·Granted Sep 28, 1999·164 cites·22 claims
- 0496US5847552AIntegrated circuit with determinate power source controlDELL USA LP·Filed 1995·Granted Dec 8, 1998·100 cites·20 claims
- 0596US5414341ADC-DC converter operable in an asyncronous or syncronous or linear modeBENCHMARQ MICROELECT INC·Filed 1993·Granted May 9, 1995·155 cites·10 claims
- 0695US5727208AMethod and apparatus for configuration of processor operating parametersDELL USA LP·Filed 1995·Granted Mar 10, 1998·217 cites·20 claims
- 0793US5825972ADirect current fan motor speed controllerDELL USA LP·Filed 1997·Granted Oct 20, 1998·78 cites·23 claims
- 0893US5604708AFail-safe system for preserving a backup batteryDELL USA LP·Filed 1995·Granted Feb 18, 1997·123 cites·13 claims
- 0993US5568610AMethod and apparatus for detecting the insertion or removal of expansion cards using capacitive sensingDELL USA LP·Filed 1995·Granted Oct 22, 1996·180 cites·28 claims
- 1092US5990669AVoltage supply regulation using master/slave timer circuit modulationDELL USA LP·Filed 1997·Granted Nov 23, 1999·65 cites·31 claims
- 1192US5671149AProgrammable board mounted voltage regulatorsDELL USA LP·Filed 1995·Granted Sep 23, 1997·67 cites·20 claims
- 1290US5671131AMethod and apparatus for detecting an isolated power switchDELL USA LP·Filed 1995·Granted Sep 23, 1997·60 cites·22 claims
- 1390US5272382APower supply for computer system managerCOMPAQ COMPUTER CORP·Filed 1991·Granted Dec 21, 1993·165 cites·18 claims
- 1489US5481730AMonitoring and control of power supply functions using a microcontrollerCOMPAQ COMPUTER CORP·Filed 1992·Granted Jan 2, 1996·147 cites·29 claims
- 1588US5621159AMethod and apparatus for determining fan bearing frictionDELL USA LP·Filed 1995·Granted Apr 15, 1997·122 cites·14 claims
- 1685US5959441AVoltage mode control for a multiphase DC power regulatorDELL USA LP·Filed 1997·Granted Sep 28, 1999·79 cites·63 claims
- 1784US5847951AMethod and apparatus for voltage regulation within an integrated circuit packageDELL USA LP·Filed 1996·Granted Dec 8, 1998·77 cites·28 claims
- 1882US5737204AMethod and apparatus for interfacing battery backup to power factor correction front end for maintaining powerDELL USA LP·Filed 1995·Granted Apr 7, 1998·65 cites·25 claims
- 1979US5884233ASystem for reporting computer energy consumptionDELL USA LP·Filed 1997·Granted Mar 16, 1999·76 cites·5 claims
- 2079US5661348AMethod and apparatus for passive input current waveform correction for universal offline switchmode power supplyDELL USA LP·Filed 1995·Granted Aug 26, 1997·59 cites·20 claims
- 2178US5999429ABulk filter capacitor discharge in a switching power supplyDELL USA LP·Filed 1997·Granted Dec 7, 1999·52 cites·44 claims
- 2278US5638262AMethod and apparatus for providing isolated power sourced from bleeder currentDELL USA LP·Filed 1995·Granted Jun 10, 1997·56 cites·20 claims
- 2378US5568350AOver temperature memory circuitDELL USA LP·Filed 1995·Granted Oct 22, 1996·44 cites·20 claims
- 2477US5592071AMethod and apparatus for self-regeneration synchronous regulatorDELL USA LP·Filed 1995·Granted Jan 7, 1997·52 cites·24 claims
- 2571US5877483AMethod and apparatus for automatically implementing computer power on and logon functions using encoded ID cardDELL USA LP·Filed 1995·Granted Mar 2, 1999·69 cites·27 claims
- 2671US5864457ASystem and method for controlling current flow in an AC adapterDELL USA LP·Filed 1997·Granted Jan 26, 1999·33 cites·21 claims
- 2771US5710701AMethod and apparatus for power supply testingDELL USA LP·Filed 1995·Granted Jan 20, 1998·33 cites·4 claims
- 2870US5672958AMethod and apparatus for modifying feedback sensing for a redundant power supply systemDELL USA LP·Filed 1995·Granted Sep 30, 1997·62 cites·20 claims
- 2969US5764547AMethod and apparatus for three-way power switchingDELL USA LP·Filed 1995·Granted Jun 9, 1998·63 cites·21 claims
- 3067US6052790AComputer system with improved DC to DC power conversion employing capacitive energy storage reservoirsDELL USA LP·Filed 1998·Granted Apr 18, 2000·50 cites·21 claims
- 3167US5576609AConstant power dissipation control of a linear pass element used for battery chargingDELL USA LP·Filed 1995·Granted Nov 19, 1996·49 cites·18 claims
- 3267US4870553ADouble-switched flyback power-converterCOMPAQ COMPUTER CORP·Filed 1988·Granted Sep 26, 1989·24 cites·7 claims
- 3365US6633171B2Electronic component desired voltage level comparisonDELL PRODUCTS LP·Filed 2001·Granted Oct 14, 2003·9 cites·41 claims
- 3462US5530636AAutomatic feedback system for a dual output power supplyDELL USA LP·Filed 1995·Granted Jun 25, 1996·29 cites·20 claims
- 3561US6051964ASectionalized power regulator separated between an output inductor and an output capacitorDELL USA LP·Filed 1999·Granted Apr 18, 2000·40 cites·22 claims
- 3661US5831351AMethod and apparatus for self shutdown of a battery-backed circuit cardDELL USA LP·Filed 1995·Granted Nov 3, 1998·40 cites·20 claims
- 3761US5726901ASystem for reporting computer energy consumptionDELL USA LP·Filed 1996·Granted Mar 10, 1998·33 cites·14 claims
- 3860US5715465APower supply control apparatus using last power state memoryDELL USA LP·Filed 1995·Granted Feb 3, 1998·40 cites·29 claims
- 3955US5916313ALow cost power converter for a computerDELL USA LP·Filed 1996·Granted Jun 29, 1999·22 cites·32 claims
- 4055US5637991APower supply including a detection and switch system for uni-plane and split-plane devicesDELL USA LP·Filed 1995·Granted Jun 10, 1997·14 cites·30 claims
- 4150US5734329AMethod and apparatus for superimposing self-clocking multifunctional communications on a static digital signal lineDELL USA LP·Filed 1995·Granted Mar 31, 1998·26 cites·25 claims
- 4245US6107786AActive output power waveform transition control for a step-down voltage regulatorDELL USA LP·Filed 1994·Granted Aug 22, 2000·13 cites·48 claims
- 4344US6510064B1Power supply restart circuitDELL PRODUCTS LP·Filed 1999·Granted Jan 21, 2003·12 cites·38 claims
- 4437US4891740ADC power supply with digitally controlled power switchCOMPAQ COMPUTER CORP·Filed 1989·Granted Jan 2, 1990·5 cites·8 claims
- 4530US6272643B1Electronic component desired voltage level comparisonDELL USA LP·Filed 1999·Granted Aug 7, 2001·1 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →