607 patents
Page 16 of 31
Utility
Magnetic field sensor offset and gain adjustment
21 Sep 21
A magnetic field sensor includes at least one magnetic field sensing element configured to generate a magnetic field signal indicative of a magnetic field associated with a target, an analog-to-digital converter configured to convert the magnetic field signal into a digital magnetic field signal, and a controller responsive to the digital magnetic field signal and configured to adjust an offset of the digital magnetic field signal during a first operational phase and to increase a gain of the digital magnetic field signal during a second operational phase following the first operational phase.
Florian Kulla
Filed: 14 Jan 20
Utility
Tunnel magnetoresistance (TMR) element having cobalt iron and tantalum layers
21 Sep 21
In one aspect, a tunnel magnetoresistance (TMR) element includes a magnesium oxide (MgO) layer, a cobalt iron boron (CoFeB) layer in direct contact with the MgO layer and a cobalt iron (CoFe) layer.
Paolo Campiglio, Amal Hamdache, Julien Voillot
Filed: 18 Sep 19
Utility
Safety mechanism for digital reset state
21 Sep 21
A system is provided, comprising: a plurality of flip-flops that are configured to receive a reset signal, each of the plurality of flip-flops having a respective output port, and each of the plurality of flip-flops being configured to assume a respective default state when the reset signal is set to a predetermined value; and a reset monitor circuit that is coupled to the respective output port of each of the plurality of flip-flops, the reset monitor circuit being configured to generate a status signal indicating whether each of the flip-flops has assumed the flip-flop's respective default state after the reset signal is set to the predetermined value, wherein assuming a respective default state by each of the plurality of flip-flops results in a predetermined bit string being stored in the plurality of flip-flops.
Sergio Nicolás Deligiannis, Lucas Intile, Florencia Ferrer
Filed: 3 Feb 20
Utility
Current Sensor Having Stray Field Immunity
16 Sep 21
Methods and apparatus for a current sensor having an elongate current conductor having an input and an output and a longitudinal axis.
Robert A. Briano, Paul A. David
Filed: 13 Mar 20
Utility
Sensors Having Signal Redundancy
9 Sep 21
Methods and apparatus for combining redundant signals to generate outputs signals with enhanced accuracy and/or risk level.
Andreas P. Friedrich, Christophe Lutz
Filed: 5 Mar 20
Utility
Integrated circuit having insulation monitoring with frequency discrimination
7 Sep 21
Methods and apparatus for monitoring the integrity of an insulative material.
Robert A. Briano
Filed: 5 Feb 19
Utility
Isolated data transfer system
7 Sep 21
Methods and apparatus for providing data transfer with a drive coil to transmit information, a receive coil magnetically coupled to the drive coil, and a first magnetoresistive sensor proximate the receive coil to detect information from the receive coil.
Alexander Latham, Claude Fermon, Myriam Pannetier-Lecoeur
Filed: 27 Nov 18
Utility
Signal isolator with three state data transmission
7 Sep 21
A signal isolator integrated circuit package includes a first circuit having a first input and a first output, a second circuit having a second input and a second output, an isolation barrier layer between the first circuit and the second circuit, wherein the second output of the second circuit is coupled to the first input of the first circuit through the isolation barrier.
Robert A. Briano, Pedram Sotoodeh Shahnani, Cory Voisine
Filed: 5 Mar 20
Utility
Angle sensor using eddy currents
7 Sep 21
Methods and apparatus for a sensor with a main coil to direct a magnetic field at a rotating target for inducing eddy currents in an end of the target and a sensing element to detect a magnetic field reflected from the target, wherein the target end comprises a conductive surface.
Alexander Latham, Maxim Klebanov
Filed: 22 Feb 19
Utility
Reducing Stray Magnetic Field Effect on an Angle Sensor
26 Aug 21
In one aspect, an angle sensor includes a first linear sensor and a second linear sensor.
Rémy Lassalle-Balier, Jean-Michel Daga
Filed: 25 Feb 20
Utility
Orientation Independent Magnetic Field Sensor
26 Aug 21
Methods and apparatus for an orientation insensitive speed sensor.
Andrea Foletto, Yannick Vuillermet, Florian Kulla
Filed: 21 Feb 20
Utility
Target Alignment and Stray Field Indicator
26 Aug 21
A magnetic field sensor is provided, including a substrate, a first bridge circuit formed on the substrate, the first bridge circuit being arranged to generate a first signal indicative of a motion of a target, and a second bridge circuit formed on the substrate, the second bridge circuit being arranged to generate a second signal indicative of whether the magnetic field sensor is aligned with the target.
Jeffrey Eagen
Filed: 26 Feb 20
Utility
Current sensor having a flux concentrator for redirecting a magnetic field through two magnetic field sensing elements
24 Aug 21
A method can use a current sensor that can include a magnetic flux concentrator along with first and second magnetic field sensing elements disposed proximate to the magnetic flux concentrator, wherein the magnetic flux concentrator is operable to influence a direction of first and second magnetic fields at the first and second magnetic field sensing elements, respectively, the first and second magnetic fields resulting from an electrical current passing through a conductor, the first and second magnetic field sensing elements operable to generate first and second signals, respectively, in response to the first and second magnetic fields, respectively, wherein the current sensor can also include a differencing circuit operable to subtract the first and second signals to generate a difference signal related to the electrical current.
Yannick Vuillermet, Cédric Gillet, Loïc André Messier, Xavier Blanc
Filed: 16 Apr 19
Utility
Systems and methods for transient pulse protection
17 Aug 21
Systems and methods described herein a sensor integrated circuit (IC) is provided having a protection circuit configured to protect circuitry within the IC from a transient pulse on a connection (i.e., power pin) to a power supply that is configured to provide power to the IC.
Sam Tran
Filed: 2 Apr 18
Utility
Multi-channel Quadrature Signaling with Current Mode Interface
12 Aug 21
A magnetic field sensor includes one or more magnetic field sensing elements operable to generate a respective one or more magnetic field signals indicative of a magnetic field associated with an object, and one or more channel detector circuits coupled to receive one or more of the one or more magnetic field signals.
Ryan J. Metivier, Pablo Javier Bolsinger
Filed: 11 Feb 20
Utility
Diagnostic Circuits and Methods for Sensor Test Circuits
12 Aug 21
A sensor includes a detector configured to sense a parameter, at least one test circuit configured to detect a respective fault condition of the sensor and generate a fault signal in response to detecting the fault condition, a checker configured to test the at least one test circuit to determine the operational status of the at least one test circuit, and an output signal generator, coupled to receive the sensed parameter, the fault signal, and the operational status of the at least one test circuit.
P. Karl Scheller, Devon Fernandez
Filed: 12 Feb 20
Utility
Current sensor using modulation of or change of sensitivity of magnetoresistance elements
10 Aug 21
A current sensor can indirectly measure a sensed current by directly measuring static perturbing AC magnetic fields with magnetoresistance elements, the perturbing magnetic fields generated by perturbing coils.
Bryan Cadugan, Rémy Lassalle-Balier, Alexander Latham, Paolo Campiglio, Noémie Belin
Filed: 23 Sep 19
Utility
Safety Mechanism for Digital Reset State
5 Aug 21
A system is provided, comprising: a plurality of flip-flops that are configured to receive a reset signal, each of the plurality of flip-flops having a respective output port, and each of the plurality of flip-flops being configured to assume a respective default state when the reset signal is set to a predetermined value; and a reset monitor circuit that is coupled to the respective output port of each of the plurality of flip-flops, the reset monitor circuit being configured to generate a status signal indicating whether each of the flip-flops has assumed the flip-flop's respective default state after the reset signal is set to the predetermined value, wherein assuming a respective default state by each of the plurality of flip-flops results in a predetermined bit string being stored in the plurality of flip-flops.
Sergio Nicolás Deligiannis, Lucas Intile, Florencia Ferrer
Filed: 3 Feb 20
Utility
Method and Apparatus for Eliminating Bit Disturbance Errors In Non-volatile Memory Devices
5 Aug 21
A method comprising: performing a first read from an address in a data storage module by using a first read voltage; storing, in a first register, data that is retrieved from the data storage module as a result of the first read; performing a second read from the address by using a second read voltage; storing, in a second register, data that is retrieved from the data storage module as a result of the second read; detecting whether a weak bit condition is present at the address based on the data that is stored in the first register and the data that is stored in the second register; and correcting the weak bit condition, when the weak bit condition is present at the address.
Muhammed Sarwar, Vyankatesh Gupta, James McClay, Sundar Chetlur, Harianto Wong, Gerardo A. Monreal, Nicolás Rafael Biberidis, Octavio H. Alpago, Nicolas Rigoni
Filed: 5 Feb 20
Utility
Electrostatic Discharge Protection
5 Aug 21
In one aspect an electronic device includes a substrate having one of a p-type doping or an n-type doping, a first well in the substrate, a second well in the substrate, a third well in the substrate between the first and second wells, a first terminal connected to the first well, a second terminal connected to the second well, an electrostatic discharge (ESD) clamp connected to the first and second terminals and a transient voltage source connected to the third well.
Maxim Klebanov, Washington Lamar, Sagar Saxena, Chung C. Kuo, Sebastian Courtney, Sundar Chetlur
Filed: 30 Jan 20