278 patents
Page 10 of 14
Utility
TMR Magnetic Sensor
11 Feb 21
Methods and apparatus for a TMR-based sensor having a first magnetic field sensing element comprising a bridge having first, second, third, and fourth legs.
Hernán D. Romero, Octavio H. Alpago
Filed: 6 Aug 19
Utility
Sensor Having a Shaped Coil
4 Feb 21
Methods and apparatus for sensing target position by generating a signal by energizing a shaped coil with an AC signal.
Bryan Cadugan
Filed: 1 Aug 19
Utility
Multi-Die Integrated Current Sensor
4 Feb 21
A current sensor can include a lead frame.
Wade Bussing, Alexander Latham
Filed: 31 Jul 19
Utility
Digital Capacitive Isolator
4 Feb 21
An isolation circuit that isolates a driver circuit that is biased at a first common mode voltage from a detection circuit that is biased at a second common mode voltage using isolation capacitors.
Craig S. Petrie, Srujan Shivanakere
Filed: 30 Jul 19
Utility
Magnetic Field Sensor And Method Having Reduced False Switching
28 Jan 21
A magnetic field sensor includes a substrate first and second magnetic field sensing elements, comprising first and second magnetoresistance elements, respectively.
Paul A. David, William P. Taylor
Filed: 26 Jul 19
Utility
Methods and Apparatus For Frequency Effect Compensation In Magnetic Field Current Sensors
21 Jan 21
A current sensor is provided with one or more magnetic field sensing elements configured to generate a magnetic field signal indicative of a magnitude of a sensed magnetic field, wherein the sensed magnetic field is related to a magnitude and frequency of a current through a conductor.
Yannick Vuillermet, Loïc André Messier
Filed: 15 Jul 19
Utility
Magnetic Field Sensors Having a Magnetic Anti-aliasing Filter
21 Jan 21
A magnetic field sensor includes a substrate, a first channel comprising a first magnetic field sensing element supported by the substrate and configured to generate a first magnetic field signal indicative of a first magnetic field experienced by the first magnetic field sensing element, a second channel comprising a second magnetic field sensing element supported by the substrate and configured to generate a second magnetic field signal indicative of a second magnetic field experienced by the second magnetic field sensing element, and at least one shield configured to reduce a bandwidth of the first magnetic field by a first amount and to reduce a bandwidth of the second magnetic field by a second amount.
Alexander Latham, Evan Shorman
Filed: 16 Jul 19
Utility
Magnetic Field Sensor With Reduced Influence Of External Stray Magnetic Fields
14 Jan 21
A magnetic field sensor responsive to a movement of a target object can include a plurality of magnetoresistance elements arranged in a line and having a span according to y(1−1/x), where y is equal a full spatial period of the target object and where x is equal to a total quantity of magnetoresistance elements in the plurality of magnetoresistance elements.
Rémy Lassalle-Balier, Maxime Rioult, Jean-Michel Daga
Filed: 10 Jul 19
Utility
Magnetic Field Sensor with Stray Field Immunity and Large Air Gap Performance
14 Jan 21
A system includes a ring magnet having magnetic segments and configured to rotate about an axis of rotation, wherein adjacent segments have different magnetic polarities, The system can further include a substrate positioned so that a top surface of the substrate is substantially parallel to the axis of rotation and a center plane passing through the ring magnet and perpendicular to the axis of rotation of the ring magnet intersects the top surface at an intersection line.
Paul A. David, Remy Lassalle-Balier, Jeffrey Eagen, Damien Dehu
Filed: 10 Jul 19
Utility
Magnetic Field Sensor for Angle Detection with a Phase-locked Loop
30 Dec 20
A magnetic field sensor includes a phase-locked loop to receive a measured magnetic field signal formed from sensing element output signals of a plurality of magnetic field sensing elements in response to a magnetic field.
Steven Daubert
Filed: 9 Sep 20
Utility
Determining an Action by an Electronic Device Based on Voltage at a Port of the Electronic Device
30 Dec 20
In one aspect, an electronic device includes a switching circuit connected to a resistance circuit and ground, the resistance circuit connected to a port and the port configured to be connected in series to an external resistor and a supply voltage.
Wade Bussing, Maxwell McNally
Filed: 25 Jun 19
Utility
Magnetic Field Sensors and Output Signal Formats for Magnetic Field Sensors
9 Dec 20
An apparatus and a method provide an output signal indicative of a speed of rotation and/or a direction of movement of a ferromagnetic object.
Dominik Weiland, Marcus Hagn, Dominik Geisler
Filed: 6 Jun 19
Utility
Signal Isolator Having at Least One Isolation Island
9 Dec 20
Methods and apparatus for a signal isolator having reduced parasitics.
Robert A. Briano, Alejandro Gabriel Milesi
Filed: 3 Jun 19
Utility
Capacitive Amplifier Circuit with High Input Common Mode Voltage and Method for Using the Same
9 Dec 20
A circuit includes a first amplifier having first and second inputs and first and second output, first and second input capacitors, a first feedback capacitor selectively coupled between the first input and the first output, and a second feedback capacitor selectively coupled between the second input and the second output.
Martin Drinovsky, Karel Znojemsky
Filed: 9 Jun 19
Utility
Systems and Methods for Magnetic Field Sensors with Self-test
2 Dec 20
Systems, methods, and apparatuses for magnetic field sensors with self-test include a detection circuit to detect speed and direction of a target.
P. Karl Scheller, James E. Burgess, Steven E. Snyder, Kristann L. Moody, Devon Fernandez, Andrea Foletto
Filed: 16 Aug 20
Utility
Joystick Assembly
2 Dec 20
A joystick assembly for use with a device including a joystick surface and a first magnet having north and south magnetic poles includes a second magnet having north and south magnetic poles and a movable elongated shaft having first and second opposing ends arranged along a major axis of the shaft.
Ali Husain Yusuf Sirohiwala, William P. Taylor, Katherine Shamberger
Filed: 18 Aug 20
Utility
Magnetic Field Sensor and Magnetoresistance Element Structure Having at Least Two Magnetoresistance Elements Disposed In A Proximate Arrangement
25 Nov 20
A magnetoresistance element structure disposed parallel to an x-y plane defined by an x-axis and a y-axis orthogonal to the x-axis can include a first magnetoresistance element having a plurality of first shapes coupled in series to result in the first magnetoresistance element having a first serpentine shape parallel to the x-y plane; and a second magnetoresistance element having a plurality of second shapes coupled in series to result in the second magnetoresistance element having a second serpentine shape parallel to the x-y plane, wherein the plurality of first shapes and the plurality of second shapes are disposed in an interdigitated pattern.
Sam Tran, Remy Lassalle-Balier
Filed: 22 May 19
Utility
Spin Valve with Bias Alignment
18 Nov 20
A magnetoresistance element (e.g. a spin valve) for detecting a changing magnetic field includes a pinning layer, pinned layer adjacent to the pinning layer, a spacer layer adjacent to the pinned layer, and a free layer adjacent to the spacer layer and arranged so that the spacer layer is between the pinned layer and the free layer.
Rémy Lassalle-Balier, Damien Dehu
Filed: 6 Aug 20
Utility
Digital Interpolation of Switch Point to Reduce Switch Point Jitter
18 Nov 20
A sensor is provided to include: a sampling clock circuit generating a sample clock signal with a predetermined sample clock period; a system clock circuit generating a system clock signal with a predetermined system clock period, wherein a value of the system clock period is less than a value of the sample clock period; a sensor circuit generating, during each sample clock period, a sensor signal representing a position of an object; a sampling circuit receiving the sensor signal and generate sample signal value in response; an interpolation circuit determining a first difference between a current sample signal and a previous sample signal, determining a second difference between a switchpoint threshold value and the previous sample signal, and determining a delay count based upon a ratio of the first difference and the second difference; and a switchpoint signal circuit generating a switchpoint signal based upon the delay count.
Steven E. Snyder
Filed: 13 May 19
Utility
System and Method for Vibration Detection with Direction Change Response Immunity Using a Magnetic Field Sensor
11 Nov 20
A method of detecting a vibration comprises determining a vibration flag has been set during a running mode of the magnetic field sensor, remaining in the running mode until a predetermined number of vibration flags have been set, and entering a recalibration mode when the predetermined number of vibration flags have been set.
Benjamin Geiger, David Toebes, Naota Nakayama
Filed: 6 May 19