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Viola Schaffer
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Erlangen, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Multipath programmable gain instrumentation amplifier frontend
Patent number
11,777,463
Issue date
Oct 3, 2023
Texas Instruments Incorporated
Sudarshan Udayashankar
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Simulation models for integrated fluxgate magnetic sensors and othe...
Patent number
11,448,711
Issue date
Sep 20, 2022
Texas Instruments Incorporated
Vijay Krishnamurthy
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Compact offset drift trim implementation
Patent number
11,258,414
Issue date
Feb 22, 2022
Texas Instruments Incorporated
Viola Schaffer
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Overvoltage protection circuit
Patent number
11,177,650
Issue date
Nov 16, 2021
Texas Instruments Incorporated
Karthikeyan Krishnamourthy
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Fluxgate magnetic field detection method and circuit
Patent number
11,092,656
Issue date
Aug 17, 2021
Texas Instruments Incorporated
Martijn F. Snoeij
G01 - MEASURING TESTING
Information
Patent Grant
Integrated fluxgate magnetic gradient sensor
Patent number
10,983,180
Issue date
Apr 20, 2021
Texas Instruments Incorporated
Martijn Fridus Snoeij
G01 - MEASURING TESTING
Information
Patent Grant
Integrated fluxgate magnetic gradient sensor
Patent number
10,459,040
Issue date
Oct 29, 2019
Texas Instruments Incorporated
Martijn Fridus Snoeij
G01 - MEASURING TESTING
Information
Patent Grant
Integrated fluxgate magnetic sensor and excitation circuitry
Patent number
10,018,687
Issue date
Jul 10, 2018
Texas Instruments Incorporated
Viola Schaffer
G01 - MEASURING TESTING
Information
Patent Grant
Fluxgate magnetic sensor readout apparatus
Patent number
9,684,039
Issue date
Jun 20, 2017
Texas Instruments Incorporated
Viola Schaffer
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic field sensor linearization architecture and method
Patent number
9,417,293
Issue date
Aug 16, 2016
Texas Instruments Incorporated
Viola Schäffer
G01 - MEASURING TESTING
Information
Patent Grant
Hybrid closed-loop/open-loop magnetic current sensor
Patent number
9,291,648
Issue date
Mar 22, 2016
Texas Instruments Incorporated
Martijn Fridus Snoeij
G01 - MEASURING TESTING
Information
Patent Grant
Fluxgate magnetic sensor readout apparatus
Patent number
9,261,571
Issue date
Feb 16, 2016
Texas Instruments Incorporated
Viola Schaffer
G01 - MEASURING TESTING
Information
Patent Grant
Integrated fluxgate magnetic sensor and excitation circuitry
Patent number
9,229,066
Issue date
Jan 5, 2016
Texas Instruments Incorporated
Viola Schaffer
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and method for in situ current measurement in a conductor
Patent number
9,176,203
Issue date
Nov 3, 2015
Texas Instruments Incorporated
Mikhail Valeryevich Ivanov
G01 - MEASURING TESTING
Information
Patent Grant
Device and method for improved settling time in multiplexed input s...
Patent number
8,396,089
Issue date
Mar 12, 2013
Texas Instruments Deutschland GmbH
Viola Schaffer
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High efficiency precision amplifier
Patent number
7,847,637
Issue date
Dec 7, 2010
Texas InstrumentsDeutschland GmbH
Juergen Metzger
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Resistor network for programmable transconductance stage
Patent number
7,843,261
Issue date
Nov 30, 2010
Texas InstrumentsDeutschland GmbH
Viola Schaffer
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Slew rate and settling time improvement circuitry and method for 3-...
Patent number
7,733,169
Issue date
Jun 8, 2010
Texas Instruments Incorporated
Joy Y. Zhang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Voltage controlled current source device
Patent number
7,449,873
Issue date
Nov 11, 2008
Texas Instruments Deutschland GmbH
Viola Schaffer
G05 - CONTROLLING REGULATING
Information
Patent Grant
Detecting amplifier out-of-range conditions
Patent number
7,427,898
Issue date
Sep 23, 2008
Texas Instruments Deutschland GmbH
Viola Schaffer
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Integrated driver circuit structure
Patent number
7,425,848
Issue date
Sep 16, 2008
Texas Instruments Deutschland GmbH
Viola Schaffer
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
BIPOLAR TRANSISTOR LOGARITHMIC CONVERTER WITH AC DIODE CONNECTION
Publication number
20230342564
Publication date
Oct 26, 2023
TEXAS INSTRUMENTS INCORPORATED
Martijn Snoeij
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MULTIPATH PROGRAMMABLE GAIN INSTRUMENTATION AMPLIFIER FRONTEND
Publication number
20220407483
Publication date
Dec 22, 2022
TEXAS INSTRUMENTS INCORPORATED
Sudarshan UDAYASHANKAR
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
COMPACT OFFSET DRIFT TRIM IMPLEMENTATION
Publication number
20210273620
Publication date
Sep 2, 2021
TEXAS INSTRUMENTS INCORPORATED
Viola Schaffer
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
OVERVOLTAGE PROTECTION CIRCUIT
Publication number
20210044105
Publication date
Feb 11, 2021
TEXAS INSTRUMENTS INCORPORATED
Karthikeyan KRISHNAMOURTHY
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Integrated Fluxgate Magnetic Gradient Sensor
Publication number
20200003848
Publication date
Jan 2, 2020
TEXAS INSTRUMENTS INCORPORATED
Martijn Fridus Snoeij
G01 - MEASURING TESTING
Information
Patent Application
INTEGRATED FLUXGATE MAGNETIC GRADIENT SENSOR
Publication number
20160349334
Publication date
Dec 1, 2016
Texas Instruments Deutschland GmbH
Martijn Fridus SNOEIJ
G01 - MEASURING TESTING
Information
Patent Application
Fluxgate Magnetic Field Detection Method and Circuit
Publication number
20160334473
Publication date
Nov 17, 2016
TEXAS INSTRUMENTS DEUTSCHLAND GMBH
Martijn F. Snoeij
G01 - MEASURING TESTING
Information
Patent Application
SIMULATION MODELS FOR INTEGRATED FLUXGATE MAGNETIC SENSORS AND OTHE...
Publication number
20160282421
Publication date
Sep 29, 2016
TEXAS INSTRUMENTS INCORPORATED
Vijay Krishnamurthy
G01 - MEASURING TESTING
Information
Patent Application
HYBRID CLOSED-LOOP/OPEN-LOOP MAGNETIC CURRENT SENSOR
Publication number
20160202294
Publication date
Jul 14, 2016
Texas Instruments Deutschland GmbH
Martijn Fridus Snoeij
G01 - MEASURING TESTING
Information
Patent Application
FLUXGATE MAGNETIC SENSOR READOUT APPARATUS
Publication number
20160161571
Publication date
Jun 9, 2016
Texas Instruments Deutschland GmbH
Viola Schaffer
G01 - MEASURING TESTING
Information
Patent Application
INTEGRATED FLUXGATE MAGNETIC SENSOR AND EXCITATION CIRCUITRY
Publication number
20160116550
Publication date
Apr 28, 2016
Texas Instruments Deutschland GmbH
Viola Schaffer
G01 - MEASURING TESTING
Information
Patent Application
APPARATUS FOR IN SITU CURRENT MEASUREMENT IN A CONDUCTOR
Publication number
20150338444
Publication date
Nov 26, 2015
TEXAS INSTRUMENTS INCORPORATED
Mikhail Valeryevich Ivanov
G01 - MEASURING TESTING
Information
Patent Application
INTEGRATED FLUXGATE MAGNETIC SENSOR AND EXCITATION CIRCUITRY
Publication number
20150048818
Publication date
Feb 19, 2015
Texas Instruments Deutschland GmbH
Viola Schaffer
G01 - MEASURING TESTING
Information
Patent Application
FLUXGATE MAGNETIC SENSOR READOUT APPARATUS
Publication number
20150048820
Publication date
Feb 19, 2015
Texas Instruments Deutschland GmbH
Viola Schaffer
G01 - MEASURING TESTING
Information
Patent Application
HYBRID CLOSED-LOOP/OPEN-LOOP MAGNETIC CURRENT SENSOR
Publication number
20150042325
Publication date
Feb 12, 2015
Texas Instruments Deutschland GmbH
Martijn Fridus Snoeij
G01 - MEASURING TESTING
Information
Patent Application
APPARATUS AND METHOD FOR IN SITU CURRENT MEASUREMENT IN A CONDUCTOR
Publication number
20140218018
Publication date
Aug 7, 2014
Texas Instruments Deutschland GmbH
Mikhail Valeryevich Ivanov
G01 - MEASURING TESTING
Information
Patent Application
MAGNETIC FIELD SENSOR LINEARIZATION ARCHITECTURE AND METHOD
Publication number
20140184214
Publication date
Jul 3, 2014
Viola Schäffer
G01 - MEASURING TESTING
Information
Patent Application
HIGH EFFICIENCY PRECISION AMPLIFIER
Publication number
20100019844
Publication date
Jan 28, 2010
Texas Instruments Deutschland
Juergen Metzger
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Slew rate and settling time improvement circuitry and method for 3-...
Publication number
20090278597
Publication date
Nov 12, 2009
Texas Instruments Inc.
Joy Y. Zhang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DEVICE AND METHOD FOR IMPROVED SETTLING TIME IN MULTIPLEXED INPUT S...
Publication number
20090196310
Publication date
Aug 6, 2009
Viola Schaffer
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
OPTIMIZED RESISTOR NETWORK FOR PROGRAMMABLE TRANSCONDUCTANCE STAGE
Publication number
20090184762
Publication date
Jul 23, 2009
Texas Instruments Deutschland GmbH
Viola Schaffer
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DETECTING AMPLIFIER OUT-OF-RANGE CONDITIONS
Publication number
20070194843
Publication date
Aug 23, 2007
TEXAS INSTRUMENTS INCORPORATED
Viola Schaffer
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
VOLTAGE CONTROLLED CURRENT SOURCE DEVICE
Publication number
20060255787
Publication date
Nov 16, 2006
Viola Schaffer
G05 - CONTROLLING REGULATING
Information
Patent Application
INTEGRATED DRIVER CIRCUIT STRUCTURE
Publication number
20060255841
Publication date
Nov 16, 2006
Viola SCHAFFER
H03 - BASIC ELECTRONIC CIRCUITRY