607 patents
Page 7 of 31
Utility
Multi-gain channels for multi-range sensor
31 Jan 23
A current sensor including: a sensing unit including one or more sensing elements, the sensing unit being arranged to generate, at least in part, an internal signal, the internal signal being generated in response to a magnetic field, the magnetic field being produced, at least in part, by an electrical current that is sensed with the sensing unit; a first signal processing path coupled to the sensing unit, the first signal processing path including a first compensation unit for adjusting the internal signal, the first signal processing path being configured to generate a first signal based on the internal signal; a second signal processing path coupled to the sensing unit, the second signal processing path including a second compensation unit for adjusting the internal signal, the second path having a different sensitivity than the first path.
Loïc André Messier
Filed: 31 Mar 21
Utility
Determining an action by an electronic device based on voltage at a port of the electronic device
31 Jan 23
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: 26 Jun 19
Utility
Reducing Stray Magnetic-field Effects Using a Magnetic-field Closed-loop System
26 Jan 23
In one aspect, a magnetic-field sensor includes main coil circuitry configured to generate a first magnetic field signal at a first frequency.
Hernán D. Romero
Filed: 3 Oct 22
Utility
Method and Apparatus for Detecting Errors In a Magnetic Field Sensor
26 Jan 23
A method for use in a sensor includes generating a first signal by a first sensing module in response to a magnetic field associated with a rotating target, generating a base word based on the first signal, the base word including a first base bit that is generated by comparing respective components of the first signal, reversing a respective polarity of the first signal and offsetting the first signal, generating a test word based on the first signal, the test word being generated after the respective polarity of the first signal is reversed and the first signal is offset, the test word including a first test bit that is generated by comparing the respective components of the first signal, and setting a value of an error signal based on whether the test word matches the base word.
Juan Manuel Cesaretti, Leandro Tozzi, Paola Anabella Ceminari
Filed: 20 Jul 21
Utility
Current sensor having stray field immunity
24 Jan 23
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
Signal path monitor
24 Jan 23
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
Detector Array Yield Recovery
19 Jan 23
A method includes forming a plurality of identical arrays on a semiconductor wafer, each array having a plurality of detectors, screening each of the plurality of arrays to determine an operational status of each of the plurality of arrays, and selecting one of the plurality of arrays for use based on the determination of the operational status of the plurality of arrays.
Logan G. Stewart, Andrew S. Huntington, William P. Taylor
Filed: 15 Jul 21
Utility
Magnetic-field Sensor with Test Pin for Control of Signal Range And/or Offset
19 Jan 23
In one aspect, an integrated circuit (IC) includes a magnetic-field sensor.
Kevin Maffei
Filed: 13 Jul 21
Utility
Harmonic compensation with magnitude feedback for magnetic field sensors
17 Jan 23
A magnetic field sensor configured to sense a parameter associated with a rotatable target that affects a magnetic field includes at least one magnetic field sensing element that is arranged to generate a signal that is indicative of the magnetic field, a magnitude calculator responsive to the signal and configured to generate a magnitude signal indicative of a magnitude of the magnetic field, and a harmonic compensator responsive to the magnitude signal and configured to generate an estimate of a harmonic error of the signal and apply the estimate of the harmonic error of the signal to the signal to generate a corrected signal.
Nicolás Rigoni, Cristian Trinidad, Emanuele Andrea Casu
Filed: 20 Oct 21
Utility
Integrated shunt and magnetic field current sensor
17 Jan 23
According to some embodiments, a device includes: a magnetic field current sensor magnetically coupled to a conductor and configured to generate a magnetic field signal having a magnitude responsive to a current flowing through the conductor; a shunt interface having first and second input terminals electrically coupled to ends of a shunt disposed along the conductor, the shunt interface configured to generate a shunt signal having a magnitude responsive to the current flowing through the conductor; and a diagnostic circuit configured to receive the magnetic field signal and the shunt signal and to generate a fault signal based on a comparison between the magnitude of the magnetic field signal and the magnitude of the shunt signal.
Andreas P. Friedrich, Loïc André Messier, Alexander Latham
Filed: 2 Mar 21
Utility
Electronic circuit having vertical hall elements arranged on a substrate to reduce an orthogonality error
17 Jan 23
An electronic circuit can have a first plurality of vertical Hall elements and a second plurality of vertical Hall elements all disposed on a substrate having a plurality of crystal unit cells, wherein the first plurality of vertical Hall elements have longitudinal axes disposed within five degrees of parallel to an edge of the crystal unit cells, and wherein the second plurality of vertical Hall elements have longitudinal axes disposed between eighty-five and ninety-five degrees relative to the longitudinal axes of the first plurality of vertical Hall elements.
Hernán D. Romero, Gerardo A. Monreal, Juan Manuel Cesaretti
Filed: 23 Apr 21
Utility
Reducing stray magnetic-field effects using a magnetic-field closed-loop system
17 Jan 23
In one aspect, a magnetic-field sensor includes main coil circuitry configured to generate a first magnetic field signal at a first frequency.
Hernán D. Romero
Filed: 4 Jan 21
Utility
Low Dropout (Ldo) Voltage Regulator
12 Jan 23
A low dropout (LDO) voltage regulator includes a first LDO stage that receives a first supply voltage and is active during a first time interval and a second LDO stage that receives a second supply voltage and is active during a second time interval.
Gorjan Georgievski, Giorgio Oddone, Michele Suraci
Filed: 9 Jul 21
Utility
Use Of Channel Information To Generate Redundant Angle Measurements On Safety Critical Applications
5 Jan 23
A sensor system and method use channel information to generate redundant angle measurements for sensing rotation of magnets about a given axis of rotation.
Juan Manuel Cesaretti, Andrea Foletto
Filed: 30 Jun 21
Utility
Semiconductor Device
29 Dec 22
A first semiconductor region, a second semiconductor region, and a third semiconductor region are arranged in layers.
Bungo TANAKA
Filed: 29 Jun 21
Utility
Semiconductor device having a group of trenches in an active region and a mesa portion
27 Dec 22
A semiconductor device is disclosed that includes a group of trenches positioned in active region inside a first semiconductor region.
Taro Kondo
Filed: 12 Jan 21
Utility
Supply Voltage Configurable Sensor
22 Dec 22
A sensor includes a sensing element configured to generate a sensing element output signal indicative of a sensed parameter and a signal path responsive to the sensing element output signal and having at least one of an adjustable gain or an adjustable offset, wherein the signal path is configured to generate a sensor output signal indicative of the sensed parameter.
Alexander Latham, Evan Shorman, Michael C. Doogue
Filed: 17 Jun 21
Utility
Photoreceiver Array Having Microlenses
22 Dec 22
Methods and apparatus for a first photodetector array die having pixels from a first end to a second end and a second photodetector array die having pixels from a first end to a second end.
Bryan Cadugan, Harry Chandra, William P. Taylor
Filed: 21 Jun 21
Utility
Angle Sensor
15 Dec 22
Methods and apparatus for prosing a sensor IC package having first and second sets of magnetic field sensing elements and a third set of magnetic field sensing elements located between the first and second positions, wherein the first, second, and third sets of magnetic field sensing elements have a first axis of sensitivity and a second axis of sensitivity, wherein the first and second axes of sensitivity are orthogonal.
Yannick Vuillermet, Andreas P. Friedrich
Filed: 10 Jun 21
Utility
Magnetic-field sensor with test pin for diagnostic assessment of target validity, target placement and/or control of signal range and/or offset
13 Dec 22
In one aspect, an integrated circuit (IC) includes a magnetic-field sensor.
Kevin Maffei
Filed: 13 Jul 21