Inventor
NGUYEN HAI N
US18 patents
⚠️ This page may combine multiple inventors who share the name “NGUYEN HAI N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD DEVELOPMENT CO
10 patentsUS6738274B2May 18, 2004
Power supply with integrated bridge and boost circuit
HEWLETT PACKARD DEVELOPMENT CO91 citations95
USD625252SOct 12, 2010
Modular power supply
HEWLETT PACKARD DEVELOPMENT CO20 citations92
US6735097B1May 11, 2004
Method and apparatus of using leakage inductance as a boost inductor
HEWLETT PACKARD DEVELOPMENT CO35 citations90
US7015682B2Mar 21, 2006
Control of a power factor corrected switching power supply
HEWLETT PACKARD DEVELOPMENT CO19 citations89
US7105950B2Sep 12, 2006
Power management in a system having a plurality of power supplies
HEWLETT PACKARD DEVELOPMENT CO21 citations86
US7514816B2Apr 7, 2009
Output current threshold adjustment for a power supply
HEWLETT PACKARD DEVELOPMENT CO9 citations84
US7053593B2May 30, 2006
Protection circuits for a DC-to-DC converter
HEWLETT PACKARD DEVELOPMENT CO10 citations73
US7531918B2May 12, 2009
Hot insertion and extraction of power supply module
HEWLETT PACKARD DEVELOPMENT CO2 citations60
US7400067B2Jul 15, 2008
Operation of a redundant power supply without isolation devices
HEWLETT PACKARD DEVELOPMENT CO5 citations60
US7285947B2Oct 23, 2007
Power metering using current-indicative signal
HEWLETT PACKARD DEVELOPMENT CO1 citations50
COMPAQ COMPUTER CORP
5 patentsUS5355073AOct 11, 1994
Battery pack sensor for an AC adapter
COMPAQ COMPUTER CORP169 citations98
US6311279B1Oct 30, 2001
Network node with internal battery backup
COMPAQ COMPUTER CORP149 citations97
US5469320ANov 21, 1995
Low power fan drive circuit for personal computers
COMPAQ COMPUTER CORP24 citations92
US5455757AOct 3, 1995
Power converter having regeneration circuit for reducing oscillations
COMPAQ COMPUTER CORP58 citations92
US5402055AMar 28, 1995
AC adapter including differential comparator for tracking battery voltage during trickle charge
COMPAQ COMPUTER CORP47 citations92