Inventor

BROWN ALAN E

US45 patents

⚠️ This page may combine multiple inventors who share the name “BROWN ALAN E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BROWN ALAN E

DELL USA LP

System and method for reducing power losses by gating an active power factor conversion process

Fan speed monitoring system for determining the speed of a PWM fan

Method and apparatus for configuration of processor operating parameters

Method and apparatus for detecting the insertion or removal of expansion cards using capacitive sensing

Integrated circuit with determinate power source control

High performance dual section voltage regulator

Voltage supply regulation using master/slave timer circuit modulation

Voltage mode control for a multiphase DC power regulator

System for reporting computer energy consumption

Method and apparatus for voltage regulation within an integrated circuit package

Direct current fan motor speed controller

Method and apparatus for interfacing battery backup to power factor correction front end for maintaining power

Method and apparatus for detecting an isolated power switch

Programmable board mounted voltage regulators

Method and apparatus for passive input current waveform correction for universal offline switchmode power supply

Method and apparatus for providing isolated power sourced from bleeder current

Method and apparatus for modifying feedback sensing for a redundant power supply system

Fail-safe system for preserving a backup battery

Computer system with improved DC to DC power conversion employing capacitive energy storage reservoirs

Bulk filter capacitor discharge in a switching power supply

Low cost power converter for a computer

System and method for controlling current flow in an AC adapter

Method and apparatus for self shutdown of a battery-backed circuit card

Method and apparatus for superimposing self-clocking multifunctional communications on a static digital signal line

System for reporting computer energy consumption

Method and apparatus for power supply testing

Method and apparatus for determining fan bearing friction

Method and apparatus for self-regeneration synchronous regulator

Constant power dissipation control of a linear pass element used for battery charging

Over temperature memory circuit

Automatic feedback system for a dual output power supply

Sectionalized power regulator separated between an output inductor and an output capacitor

Method and apparatus for automatically implementing computer power on and logon functions using encoded ID card

Method and apparatus for three-way power switching

Power supply control apparatus using last power state memory

Active output power waveform transition control for a step-down voltage regulator

Power supply including a detection and switch system for uni-plane and split-plane devices

Electronic component desired voltage level comparison

COMPAQ COMPUTER CORP

Power supply for computer system manager

Monitoring and control of power supply functions using a microcontroller

Double-switched flyback power-converter

DC power supply with digitally controlled power switch

DELL PRODUCTS LP

Power supply restart circuit

Electronic component desired voltage level comparison

BENCHMARQ MICROELECT INC

DC-DC converter operable in an asyncronous or syncronous or linear mode