Inventor
NGO TUAN V
US32 patents
⚠️ This page may combine multiple inventors who share the name “NGO TUAN V”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VTC INC
23 patentsUS5856891AJan 5, 1999
MR resistive-biasing scheme providing low noise high common-mode rejection and high supply rejection
VTC INC27 citations92
US5793551AAug 11, 1998
Amplifier having a differential input capacitance cancellation circuit
VTC INC21 citations92
US5781046AJul 14, 1998
Push-and-pull driver circuit for driving an H-bridge coupled to a two-terminal inductive load
VTC INC20 citations92
US5751171AMay 12, 1998
Predriver for fast current switching through a two-terminal inductive load
VTC INC21 citations92
US5345346ASep 6, 1994
Positive feedback low input capacitance differential amplifier
VTC INC27 citations92
US5311146AMay 10, 1994
Current mirror for low supply voltage operation
VTC INC26 citations92
US5291347AMar 1, 1994
Write driver with H-switch synchronizing transistors
VTC INC26 citations92
US5287231AFeb 15, 1994
Write circuit having current mirrors between predriver and write driver circuits for maximum head voltage swing
VTC INC36 citations92
US5282094AJan 25, 1994
Current mirror having a base current compensation circuit with a compensation mirror and a voltage clamp
VTC INC32 citations92
US4827222AMay 2, 1989
Input offset voltage trimming network and method
VTC INC26 citations92
US5942934AAug 24, 1999
On-chip regulator providing good high frequency rejection and noise filtering from the supply
VTC INC14 citations74
US5834952ANov 10, 1998
Open-loop current mode biasing scheme for MR head
VTC INC12 citations74
US5721484AFeb 24, 1998
Power supply filter with active element assist
VTC INC12 citations74
US5373402ADec 13, 1994
System and method for writing servo information and data to a plurality of magnetic discs
VTC INC12 citations74
US5349253ASep 20, 1994
Logic translator interfacing between five-volt TTL/CMOS and three-volt CML
VTC INC10 citations74
US6111716AAug 29, 2000
Referenced magnetoresistives sensor band pass preamplifier
VTC INC12 citations73
US5990710ANov 23, 1999
High performance write driver for magnetic inductive recording head
VTC INC10 citations73
US5831784ANov 3, 1998
Pseudo differential voltage sense MR preamplifier with improved bandwidth
VTC INC16 citations73
US5812019ASep 22, 1998
Open-loop MR biasing circuit with high power supply and common mode rejection
VTC INC8 citations73
US5757566AMay 26, 1998
Direct AC-coupled amplifier with improved common mode rejection for MR heads
VTC INC13 citations73
US5532631AJul 2, 1996
Active pull-down write driver for three-terminal inductive load
VTC INC13 citations73
US4843342AJun 27, 1989
Differential amplifier with input bias current cancellation
VTC INC19 citations73
US5886568AMar 23, 1999
Open-loop MR biasing circuit with high power supply and common mode rejection
VTC INC3 citations62
LUCENT TECHNOLOGIES INC
4 patentsUS6236246B1May 22, 2001
Voltage-mode boosting circuit for write driver
LUCENT TECHNOLOGIES INC32 citations92
US6150876ANov 21, 2000
Voltage bias, current sense preamplifier for a magnetoresistive reader
LUCENT TECHNOLOGIES INC16 citations84
US6128146AOct 3, 2000
Undershoot active damping circuit for write drivers
LUCENT TECHNOLOGIES INC16 citations84
US6215607B1Apr 10, 2001
Write driver using continuous damping network to reduce overshoot, undershoot and settling time for magnetic inductive recording head
LUCENT TECHNOLOGIES INC14 citations74
AGERE SYST GUARDIAN CORP
3 patentsUS6236247B1May 22, 2001
Impedance pseudo-matched write driver
AGERE SYST GUARDIAN CORP32 citations92
US6275347B1Aug 14, 2001
Current bias, current sense preamplifier for a magnetoresistive reader
AGERE SYST GUARDIAN CORP12 citations74
US6226137B1May 1, 2001
Voltage bias, current sense preamplifier using no AC-coupling capacitors for a dual strip magnetoresistive reader
AGERE SYST GUARDIAN CORP10 citations74