Inventor · disambiguated record
Viola Schaffer
Also filed as: SCHAFFER VIOLA · SCHÄFFER VIOLA
22 granted patents·3 pending applications·138 citations·filing 2001–2021
94Inventor score
Top patents by PatentIndex Score
25 records- 0197US9417293B2Magnetic field sensor linearization architecture and methodTEXAS INSTRUMENTS DEUTSCHLAND·Filed 2013·Granted Aug 16, 2016·45 cites·19 claims
- 0295US9291648B2Hybrid closed-loop/open-loop magnetic current sensorTEXAS INSTRUMENTS DEUTSCHLAND·Filed 2014·Granted Mar 22, 2016·16 cites·18 claims
- 0389US9261571B2Fluxgate magnetic sensor readout apparatusTEXAS INSTRUMENTS DEUTSCHLAND·Filed 2014·Granted Feb 16, 2016·7 cites·20 claims
- 0487US9684039B2Fluxgate magnetic sensor readout apparatusTEXAS INSTRUMENTS DEUTSCHLAND·Filed 2016·Granted Jun 20, 2017·3 cites·19 claims
- 0584US9176203B2Apparatus and method for in situ current measurement in a conductorTEXAS INSTRUMENTS INC·Filed 2013·Granted Nov 3, 2015·5 cites·16 claims
- 0683US7733169B2Slew rate and settling time improvement circuitry and method for 3-stage amplifierTEXAS INSTRUMENTS INC·Filed 2008·Granted Jun 8, 2010·14 cites·22 claims
- 0780US10459040B2Integrated fluxgate magnetic gradient sensorTEXAS INSTRUMENTS INC·Filed 2016·Granted Oct 29, 2019·2 cites·8 claims
- 0879US7843261B2Resistor network for programmable transconductance stageTEXAS INSTRUMENTS DEUTSCHLAND·Filed 2008·Granted Nov 30, 2010·8 cites·11 claims
- 0974US7449873B2Voltage controlled current source deviceTEXAS INSTRUMENTS DEUTSCHLAND·Filed 2006·Granted Nov 11, 2008·10 cites·18 claims
- 1073US6556077B2Instrumentation amplifier with improved AC common mode rejection performanceTEXAS INSTRUMENTS INC·Filed 2001·Granted Apr 29, 2003·21 cites·10 claims
- 1164US10983180B2Integrated fluxgate magnetic gradient sensorTEXAS INSTRUMENTS INC·Filed 2019·Granted Apr 20, 2021·0 cites·10 claims
- 1260US7847637B2High efficiency precision amplifierTEXAS INSTRUMENTS DEUTSCHLAND·Filed 2009·Granted Dec 7, 2010·4 cites·7 claims
- 1357US10018687B2Integrated fluxgate magnetic sensor and excitation circuitryTEXAS INSTRUMENTS INC·Filed 2016·Granted Jul 10, 2018·0 cites·16 claims
- 1455US9229066B2Integrated fluxgate magnetic sensor and excitation circuitryTEXAS INSTRUMENTS DEUTSCHLAND·Filed 2014·Granted Jan 5, 2016·0 cites·20 claims
- 1555US2016202294A1Hybrid closed-loop/open-loop magnetic current sensorTEXAS INSTRUMENTS DEUTSCHLAND·Filed 2016·Application pending·0 cites
- 1654US11258414B2Compact offset drift trim implementationTEXAS INSTRUMENTS INC·Filed 2020·Granted Feb 22, 2022·0 cites·20 claims
- 1753US2015338444A1Apparatus for in situ current measurement in a conductorTEXAS INSTRUMENTS INC·Filed 2015·Application pending·0 cites
- 1852US11092656B2Fluxgate magnetic field detection method and circuitTEXAS INSTRUMENTS INC·Filed 2015·Granted Aug 17, 2021·0 cites·15 claims
- 1950US11777463B2Multipath programmable gain instrumentation amplifier frontendTEXAS INSTRUMENTS INC·Filed 2021·Granted Oct 3, 2023·0 cites·19 claims
- 2049US7427898B2Detecting amplifier out-of-range conditionsTEXAS INSTRUMENTS DEUTSCHLAND·Filed 2006·Granted Sep 23, 2008·2 cites·22 claims
- 2144US11177650B2Overvoltage protection circuitTEXAS INSTRUMENTS INC·Filed 2019·Granted Nov 16, 2021·0 cites·9 claims
- 2244US2015105630A1Heart pulse monitor including a fluxgate sensorTEXAS INSTRUMENTS INC·Filed 2013·Application pending·0 cites
- 2335US7425848B2Integrated driver circuit structureTEXAS INSTRUMENTS DEUTSCHLAND·Filed 2006·Granted Sep 16, 2008·0 cites·16 claims
- 2434US8396089B2Device and method for improved settling time in multiplexed input systemsSCHAFFER VIOLA·Filed 2009·Granted Mar 12, 2013·1 cites·15 claims
- 2532US11448711B2Simulation models for integrated fluxgate magnetic sensors and other magnetic circuit componentsTEXAS INSTRUMENTS INC·Filed 2015·Granted Sep 20, 2022·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Viola Schaffer files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →