607 patents
Page 11 of 31
Utility
Orientation independent magnetic field sensor
12 Jul 22
Methods and apparatus for an orientation insensitive speed sensor.
Andrea Foletto, Yannick Vuillermet, Florian Kulla
Filed: 21 Feb 20
Utility
Motor controller with stall detection
12 Jul 22
A motor control system for controlling operation of a motor having a plurality of windings includes a gate driver to provide a control signal to one or more switching elements controlling a voltage applied to the plurality of windings and a Field Oriented Control (FOC) controller configured to generate a PWM signal for coupling to the gate driver, wherein the FOC controller comprises a d-axis control loop configured to generate an applied d-axis voltage and a q-axis control loop configured to generate an applied q-axis voltage.
Kamyar Khosravi, Masahira Kurihara, Andrew Adib
Filed: 29 Jan 21
Utility
Signal Path Monitor
23 Jun 22
A method for testing a signal path in a sensor, the signal path including a filter circuit and a comparator circuit, the method including: closing a first signal line that is arranged to bypass a first capacitor in the filter circuit; injecting a test signal into the signal path after the first signal line is closed; and detecting whether a signal that is output by the comparator circuit in response to the test signal satisfies a predetermined condition.
Ezequiel Rubinsztain, Pablo Javier Bolsinger
Filed: 22 Dec 20
Utility
Method and Apparatus for Magnetic Sensor Producing a Changing Magnetic Field
23 Jun 22
Methods and apparatus for detecting a magnetic field include a semiconductor substrate, a coil configured to provide a changing magnetic field in response to a changing current in the coil; and a magnetic field sensing element supported by the substrate.
Paul A. David, William P. Taylor
Filed: 14 Mar 22
Utility
Multipath wide bandwidth current sensor
21 Jun 22
A current sensor includes a lead frame having a plurality of leads, at least two of which form a current conductor configured to carry a current that generates a magnetic field and a substrate having first and second opposing surfaces, the first surface proximate to said current conductor and the second surface distal from the current conductor.
Steven Daubert, Sina Haji Alizad, Srujan Shivanakere, Maxwell McNally, Alexander Latham
Filed: 28 Jan 21
Utility
Multi-layer integrated circuit with enhanced thermal dissipation using back-end metal layers
21 Jun 22
In one aspect, an integrated circuit includes a first conductive layer and a magnetoresistance element (MRE) disposed over and coupled to the first layer through first vias.
Sundar Chetlur, Maxim Klebanov, Paolo Campiglio, Yen Ting Liu
Filed: 8 Sep 20
Utility
Signaling between master and one or more slave components to share absolute and incremental data
21 Jun 22
In one aspect, a system includes an electronic control unit (ECU) and an integrated circuit (IC).
Nevenka Kozomora, Andrea Foletto, Emanuele Andrea Casu
Filed: 19 Nov 20
Utility
Position Sensor Having Harmonic Distortion Compensation
16 Jun 22
Methods and apparatus for determining a mechanical angle of a target from sine and cosine signals generated by inductive sensing elements by applying harmonic compensation on the sine and cosine signals using possible mechanical angles and analyzing results of the applied harmonic compensation.
Emanuele Andrea Casu, Andrea Foletto
Filed: 14 Dec 20
Utility
Non-orthogonality Adjustment Based on a Duty Cycle
9 Jun 22
According to some embodiments, a method implemented in electronic circuitry includes: receiving a first signal having a sinusoidal waveform; receiving a second signal having a sinusoidal waveform; generating a composite signal responsive to the first and second signals; determining an orthogonality adjustment coefficient based on a duty cycle of the composite signal; and applying the orthogonality adjustment coefficient to generate an adjusted second signal that is substantially orthogonal to the first signal.
Sergio Nicolás Deligiannis, Nicolás Rigoni
Filed: 4 Dec 20
Utility
Joystick assembly
7 Jun 22
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: 19 Aug 20
Utility
Magnetic field sensors for detecting absolute position of multi-track targets
31 May 22
A magnetic field sensor for sensing an absolute position of a target includes a first magnetic field sensing element disposed proximate to a first portion of the target having a first cross-sectional shape configured to generate a first periodic magnetic field signal in response to movement of the first target portion and a second magnetic field sensing element disposed proximate to a second portion of the target having a second cross-sectional shape configured to generate a second periodic magnetic field signal in response to movement of the second target portion, wherein the first periodic magnetic field signal and the second periodic magnetic field signal have a substantially constant phase separation.
Logan G. Stewart
Filed: 6 Jul 20
Utility
Current sensor for compensation of on-die temperature gradient
31 May 22
A sensor is provided comprising: a substrate having a first region and a second region; a first series of first magnetoresistive (MR) elements formed on the substrate, the first series of first MR elements including at least two first MR elements; a second series of second MR elements formed on the substrate, the second series of second MR elements being electrically coupled to the first series of MR elements to form a bridge circuit, the second series of MR elements including at least two second MR elements, each of the second MR elements having a different pinning direction than at least one of the first MR elements, wherein one of the first MR elements and one of the second MR elements are formed in the first region of the substrate and have different pinning directions.
Noémie Belin
Filed: 26 Mar 19
Utility
Signal Isolator Having Enhanced Creepage Characteristics
26 May 22
Methods and apparatus for a signal isolator having enhanced creepage characteristics.
Robert A. Briano, Shixi Louis Liu, William P. Taylor
Filed: 14 Feb 22
Utility
Signal isolator having at least one isolation island
24 May 22
Methods and apparatus for a signal isolator having reduced parasitics.
Robert A. Briano, Alejandro Gabriel Milesi
Filed: 4 Jun 19
Utility
Angle sensor with offline error correction
17 May 22
An angle sensor can have a plurality of magnetic field sensing elements configured to detect a magnetic field and generate a respective plurality of magnetic field signals.
Nicolas Rigoni, Octavio H. Alpago
Filed: 4 Oct 19
Utility
Absolute angle sensor with improved accuracy using error estimation
17 May 22
In some embodiments, a method can include receiving, by an angle sensor, a first periodic angle signal indicative of an angle of a first magnetic field associated with a first track of a target; receiving, by the angle sensor, a second periodic angle signal indicative of an angle of a second magnetic field associated with a second track of the target; generating an uncorrected absolute angle signal indicative of an absolute angle of the target based on the first and second periodic angle signals; determining an estimated error associated with the uncorrected absolute angle signal based on the first periodic angle signal and the second periodic signal; subtracting the estimated error from the uncorrected absolute angle to generate a corrected absolute angle signal; and providing the corrected absolute angle signal as output of the angle sensor.
Andrea Foletto
Filed: 20 Nov 19
Utility
Sensors having dynamic phase compensation
17 May 22
Methods and apparatus for a magnetic field sensor having dynamic offset compensation that determines offset voltages for a number of phases each having a bias current across a magnetic field sensing element in a different direction.
Nicolás Ronis, Franco Noel Martin Pirchio
Filed: 15 Apr 20
Utility
Rotary inductive sensor
10 May 22
An apparatus, comprising: a transmitting coil; a first receiving coil having a first receiving coil portion and a second receiving coil portion, the first receiving coil portion and the second receiving coil portion being coupled to one another, and the first receiving coil portion and the second receiving coil portion each including N lobes, where N is an integer and N≥1; a second receiving coil having a third receiving coil portion and a fourth receiving coil portion, the third receiving coil portion and the fourth receiving coil portion being coupled to one another, and the third receiving coil portion and the fourth receiving coil portion each including N lobes; wherein the first receiving coil is disposed over the second receiving coil.
Emanuele Andrea Casu, Yannick Vuillermet
Filed: 13 Nov 20
Utility
Magnetic field sensor with reduced influence of external stray magnetic fields
10 May 22
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
Method and apparatus for eliminating bit disturbance errors in non-volatile memory devices
10 May 22
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