Inventor
SCHAFFER VIOLA
DE19 patents
⚠️ This page may combine multiple inventors who share the name “SCHAFFER VIOLA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEXAS INSTRUMENTS INC
10 patentsUS6556077B2Apr 29, 2003
Instrumentation amplifier with improved AC common mode rejection performance
TEXAS INSTRUMENTS INC21 citations89
US7733169B2Jun 8, 2010
Slew rate and settling time improvement circuitry and method for 3-stage amplifier
TEXAS INSTRUMENTS INC14 citations82
US9176203B2Nov 3, 2015
Apparatus and method for in situ current measurement in a conductor
TEXAS INSTRUMENTS INC5 citations71
US11777463B2Oct 3, 2023
Multipath programmable gain instrumentation amplifier frontend
TEXAS INSTRUMENTS INC0 citations60
US10983180B2Apr 20, 2021
Integrated fluxgate magnetic gradient sensor
TEXAS INSTRUMENTS INC0 citations59
US12518114B2Jan 6, 2026
Bipolar transistor logarithmic converter with AC diode connection
TEXAS INSTRUMENTS INC0 citations56
US11258414B2Feb 22, 2022
Compact offset drift trim implementation
TEXAS INSTRUMENTS INC0 citations51
US10018687B2Jul 10, 2018
Integrated fluxgate magnetic sensor and excitation circuitry
TEXAS INSTRUMENTS INC0 citations51
US11448711B2Sep 20, 2022
Simulation models for integrated fluxgate magnetic sensors and other magnetic circuit components
TEXAS INSTRUMENTS INC0 citations47
US11177650B2Nov 16, 2021
Overvoltage protection circuit
TEXAS INSTRUMENTS INC0 citations44
TEXAS INSTRUMENTS DEUTSCHLAND
8 patentsUS7843261B2Nov 30, 2010
Resistor network for programmable transconductance stage
TEXAS INSTRUMENTS DEUTSCHLAND8 citations83
US9261571B2Feb 16, 2016
Fluxgate magnetic sensor readout apparatus
TEXAS INSTRUMENTS DEUTSCHLAND7 citations82
US7449873B2Nov 11, 2008
Voltage controlled current source device
TEXAS INSTRUMENTS DEUTSCHLAND10 citations82
US9684039B2Jun 20, 2017
Fluxgate magnetic sensor readout apparatus
TEXAS INSTRUMENTS DEUTSCHLAND3 citations71
US7847637B2Dec 7, 2010
High efficiency precision amplifier
TEXAS INSTRUMENTS DEUTSCHLAND4 citations60
US7427898B2Sep 23, 2008
Detecting amplifier out-of-range conditions
TEXAS INSTRUMENTS DEUTSCHLAND2 citations60
US9229066B2Jan 5, 2016
Integrated fluxgate magnetic sensor and excitation circuitry
TEXAS INSTRUMENTS DEUTSCHLAND0 citations51
US7425848B2Sep 16, 2008
Integrated driver circuit structure
TEXAS INSTRUMENTS DEUTSCHLAND0 citations40