607 patents
Page 14 of 31
Utility
Magnetic field sensor with stray field immunity and large air gap performance
4 Jan 22
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
Dual tunnel magnetoresistance (TMR) element structure
4 Jan 22
In one aspect, a dual tunnel magnetoresistance (TMR) element structure includes a first TMR element and a second TMR element.
Paolo Campiglio, Amal Hamdache
Filed: 15 Nov 19
Utility
Photodetector with a buried layer
4 Jan 22
According to an embodiment of the present disclosure, a photodetector device can include a substrate layer; a bottom contacting layer disposed over a surface of the substrate layer and having a first contacting region and a second contacting region, the bottom contacting layer providing a low resistance path between the first and second contacting regions; an insulating layer disposed over a surface of the bottom contacting layer; an intrinsic region disposed within the insulating layer, the intrinsic region in electrical contact with the first contacting region of the bottom contacting layer, the intrinsic region comprising a low band-gap material; a metal contact disposed within the insulating layer and in electrical contact with the second contacting region of the bottom contacting layer; an anode in electrical contact with the intrinsic region; and a cathode in electrical contact with the metal contact.
Bryan Cadugan, Harianto Wong, William P. Taylor
Filed: 13 Jan 20
Utility
Tracking analog-to-digital converter with adaptive slew rate boosting
4 Jan 22
A tracking ADC with adaptive slew rate boosting can dynamically adjust one or more of its operational parameters in response to detecting a slew rate limit condition.
Leandro Fuentes, Manuel Rivas, Patricio Hernan Perez Preiti, Bruno Luis Uberti, Alejandro Gabriel Milesi
Filed: 16 Nov 20
Utility
Current Sensor Integrated Circuits
30 Dec 21
A current sensor integrated circuit (IC) includes a unitary lead frame having at least one first lead having a terminal end, at least one second lead having a terminal end, and a paddle having a first surface and a second opposing surface.
Shixi Louis Liu, Paul A. David, Shaun D. Milano, Rishikesh Nikam, Alexander Latham, Wade Bussing, Natasha Healey, Georges El Bacha
Filed: 13 Sep 21
Utility
Dual Double-pinned Spin Valve Element Having Magnet Bias with Increased Linear Range
16 Dec 21
In one aspect, a dual double-pinned spin valve element includes a first spin valve that includes a first pinned layer and a second pinned layer and a second spin valve disposed on the first spin valve and comprising a third pinned layer and a fourth pinned layer.
Rémy Lassalle-Balier, Paolo Campiglio, Noémie Belin, Damien Dehu, Jeffrey Eagen
Filed: 12 Jun 20
Utility
Reducing angle error in a magnetic field angle sensor
14 Dec 21
In one aspect, a magnetic field angle sensor includes a bridge structure that include a sine bridge configured to generate a sinusoidal signal indicative of a magnetic field along a first axis and a cosine bridge configured to generate a cosinusoidal signal indicative of the magnetic field along a second axis that is orthogonal with respect to the first axis.
Rémy Lassalle-Balier, Claude Fermon, Damien Dehu, Kamil Akmaldinov
Filed: 28 Aug 19
Utility
Tunnel Magnetoresistance (TMR) Element Having Cobalt Iron and Tantalum Layers
9 Dec 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 Aug 21
Utility
Magnetoresistance assembly having a TMR element disposed over or under a GMR element
7 Dec 21
A magnetoresistance assembly can include a substrate and a first GMR element disposed over the substrate, the first GMR element having a bottom surface and top surface.
Paolo Campiglio, Bryan Cadugan, Amal Hamdache, Florian Pallier, Claude Fermon
Filed: 27 Jul 18
Utility
Diagnostic circuits and methods for sensor test circuits
7 Dec 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
Electrostatic discharge protection
7 Dec 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
Utility
Analog Angle Sensor with Digital Feedback Loop
2 Dec 21
An angle sensor comprising: a plurality of magnetic field sensing elements configured to detect a magnetic field and generate a respective plurality of analog magnetic field signals; a plurality of analog frontend circuits each analog frontend circuit associated with a respective magnetic field sensing element; and a digital feedback circuit configured to generate digital magnetic field signals from the plurality of analog magnetic field signals and generate digital error correction values, wherein the plurality of analog frontend circuits are configured to obtain the digital error correction values from the digital feedback circuit, generate analog correction values from the digital error correction values, and apply the analog correction values to the plurality of analog magnetic field signals to generate a plurality of corrected analog magnetic field signals.
Nicolas Rigoni, Octavio H. Alpago, Leandro Tozzi
Filed: 29 May 20
Utility
High Isolation Current Sensor
2 Dec 21
Methods and apparatus for providing a high isolation current sensor.
Alexander Latham, Natasha Healey
Filed: 29 May 20
Utility
Layout of magnetoresistance element
30 Nov 21
In one aspect, a bridge includes a first magnetoresistance element that includes a first set of pillars, a second magnetoresistance element that includes a second set of pillars, a third magnetoresistance element that includes a third set of pillars and a fourth magnetoresistance element that includes a fourth set of pillars.
Rémy Lassalle-Balier, Amal Hamdache, Julien Voillot, Paolo Campiglio
Filed: 20 Mar 20
Utility
Power module package and packaging techniques
23 Nov 21
A power integrated circuit (IC) includes a lead frame comprising a signal lead, a power lead, and a paddle attached to one or more of the signal lead and the power lead, an electrical component supported by the paddle, and a mold material configured to enclose a portion of the lead frame and expose a surface of the paddle, wherein the power lead has a first portion extending from an edge of the mold material outside of the mold material in a first direction and a second portion enclosed by the mold material and extending from the edge of the mold material inside the mold material in a second direction to the paddle, wherein the second direction is substantially opposite to the first direction.
Shixi Louis Liu, Natasha Healey, Rishikesh Nikam
Filed: 17 Jan 20
Utility
Magnetic field sensor and method with reduced distortion measurement in sideshaft applications
16 Nov 21
A magnetic field sensor includes an analog front end having first and second magnetic field sensing elements arranged at approximately 90-degrees with respect to each other, a pre-processor and an arctangent processor.
Pablo Aguirre, Juan Manuel Cesaretti, Jesse Lapomardo
Filed: 18 Oct 19
Utility
Reducing voltage non-linearity in a bridge having tunneling magnetoresistance (TMR) elements
16 Nov 21
In one aspect, a magnetic field sensor includes a plurality of tunneling magnetoresistance (TMR) elements that includes a first TMR element, a second TMR element, a third TMR element and a fourth TMR element.
Rémy Lassalle-Balier, Pierre Belliot, Christophe Hoareau, Jean-Michel Daga
Filed: 28 Aug 19
Utility
Stray-field-immune Coil-activated Position Sensor
11 Nov 21
A sensor comprising: a first magnetoresistive (MR) bridge having a first stray field sensitivity; a second MR bridge having a second stray field sensitivity; and a driver circuitry configured to: (i) supply a first voltage to the first MR bridge, and (ii) supply a second voltage to the second MR bridge that is different from the first voltage, wherein supplying the first voltage and the second voltage to the first MR bridge and the second MR bridge, respectively, causes the first stray field sensitivity to match the second stray field sensitivity.
Hernán D. Romero
Filed: 8 May 20
Utility
Non-volatile memory data and address encoding for safety coverage
9 Nov 21
A method is disclosed for use in an electronic device having a non-volatile storage device and a volatile storage device, the method comprising: retrieving a first encoded data packet from a first address in the non-volatile storage device; decoding the first encoded data packet to obtain a first data item and a first error code corresponding to the first data item, the first encoded data packet being decoded by using a first coding key that is associated with the first address; detecting whether the first data item is corrupt based on the first error code and an error correction function, storing the first data item at a first address in the volatile storage device when the first data item is not corrupt, and transitioning the electronic device into a safe state when the first data item is corrupt.
Nicolas Rigoni, Nicolás Rafael Biberidis, Ahmed Hassan Fahmy, Octavio H. Alpago
Filed: 17 Mar 20
Utility
Method and apparatus for eliminating EEPROM bit-disturb
9 Nov 21
A method for use in a memory device including a first memory matrix is provided, the method comprising: receiving a write request that is associated with a first memory cell, the first memory cell being part of the first memory matrix; copying a content of a second memory cell into a register, the second memory cell being part of the first memory matrix; overwriting the second memory cell with the content of the register when the content of the second memory cell is different from the content of the register; and writing, to the first memory cell, at least a portion of data that is associated with the write request.
Muhammad Sarwar, Vyankatesh Gupta, James McClay, Sundar Chetlur, Harianto Wong
Filed: 18 Mar 20