Patents by Inventor William P. Taylor

William P. Taylor has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10145904
    Abstract: An apparatus includes a package, a plurality of external connections extending outside the package, and a first die having a first electrical contact coupled to a first connection of the plurality of external connections. The apparatus also includes a second die having a second electrical contact coupled to a second connection of the plurality of external connections. A conductor is electrically coupled between the first contact and the second contact to allow electrostatic discharge current to flow between the first die to the second die.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: December 4, 2018
    Assignee: Allegro MicroSystems, LLC
    Inventors: Maxim Klebanov, Washington Lamar, William P. Taylor
  • Patent number: 10145908
    Abstract: 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. The coil receives the changing current and, in response, generates a changing magnetic field. The magnetic field sensing element detects the presence of a magnetic target by detecting changes to the magnetic field caused by the target and comparing them to an expected value.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: December 4, 2018
    Assignee: Allegro MicroSystems, LLC
    Inventors: Paul David, William P. Taylor
  • Publication number: 20180321704
    Abstract: 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. The first end of the shaft is coupled to the second magnet such that movement of the shaft results in movement of the second magnet relative to the first magnet such that a line between centers of the north and south magnetic poles of the second magnet is movable relative to a line between the north and south magnetic poles of the first magnet. An attraction of the second magnet to the first magnet results in a restoring force upon the shaft, and the shaft and the second magnet are removable from the joystick surface.
    Type: Application
    Filed: July 13, 2018
    Publication date: November 8, 2018
    Applicant: ALLEGRO MICROSYSTEMS, LLC
    Inventors: Ali Husain Yusuf Sirohiwala, William P. Taylor, Katherine Shamberger
  • Publication number: 20180313912
    Abstract: 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. The coil receives the changing current and, in response, generates a changing magnetic field. The magnetic field sensing element detects the presence of a magnetic target by detecting changes to the magnetic field caused by the target and comparing them to an expected value.
    Type: Application
    Filed: July 9, 2018
    Publication date: November 1, 2018
    Applicant: Allegro MicroSystems, LLC
    Inventors: Paul A. David, William P. Taylor
  • Patent number: 10114085
    Abstract: A magnetic field sensor includes a plurality of magnetoresistance elements, each having at least one characteristic selected to provide a respective, different response to an applied magnetic field, wherein each of the plurality of magnetoresistance elements is coupled in parallel. Illustrative characteristics selected to provide the respective responses include dimensions and/or construction parameters such as materials, layer thickness and order, and spatial relationship of the magnetoresistance element to the applied magnetic field. A method includes providing each of a plurality of magnetoresistance elements with at least one characteristic selected to provide a respective, different response to an applied magnetic field, wherein each of the plurality of magnetoresistance elements is coupled in parallel.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: October 30, 2018
    Assignee: Allegro MicroSystems, LLC
    Inventors: Jeffrey Eagen, William P. Taylor
  • Publication number: 20180299517
    Abstract: In one aspect, an integrated circuit (IC) includes a sensor that includes a first magnetoresistive (MR) element and a second MR element less active to a presence of a magnetic field than the first MR element. The second MR element includes a metal layer diffused into other layers of the second MR element.
    Type: Application
    Filed: June 26, 2018
    Publication date: October 18, 2018
    Applicant: Allegro MicroSystems, LLC
    Inventors: Paul A. David, William P. Taylor
  • Publication number: 20180282181
    Abstract: Three embodiments of an invention are disclosed in which sea water undergoes a desalination process accompanied by production of salable energy of value greater than the cost of the fossil fuel required, and which discharges brine to the sea at a temperature and salinity harmless to sea life.
    Type: Application
    Filed: March 30, 2017
    Publication date: October 4, 2018
    Inventor: William P. Taylor
  • Patent number: 10073136
    Abstract: Methods and apparatus to provide an integrated circuit having a magnetic sensing element having differential first and second outputs and an input, the input to receive current and first and second switches coupled to a respective one of the differential first and second outputs. A first voltage source is coupled between the first and second switches, the first and second switches having a first state in which the first voltage source is coupled across the differential first and second outputs, and an IC output can output a voltage corresponding to the first voltage source when the first and second switches are in the first state for monitoring operation of a signal path from the magnetic sensing element to the IC output.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: September 11, 2018
    Assignee: ALLEGRO MICROSYSTEMS, LLC
    Inventors: Shaun D. Milano, Georges El Bacha, Michael C. Doogue, William P. Taylor
  • Patent number: 10069063
    Abstract: An integrated circuit can have a first substrate supporting a magnetic field sensing element and a second substrate supporting another magnetic field sensing element. The first and second substrates can be arranged in a variety of configurations. Another integrated circuit can have a first magnetic field sensing element and second different magnetic field sensing element disposed on surfaces thereof.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: September 4, 2018
    Assignee: Allegro MicroSystems, LLC
    Inventors: Michael C. Doogue, William P. Taylor, Vijay Mangtani
  • Patent number: 10048718
    Abstract: 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. The first end of the shaft is coupled to the second magnet such that movement of the shaft results in movement of the second magnet relative to the first magnet such that a line between centers of the north and south magnetic poles of the second magnet is movable relative to a line between the north and south magnetic poles of the first magnet. An attraction of the second magnet to the first magnet results in a restoring force upon the shaft, and the shaft and the second magnet are removable from the joystick surface.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: August 14, 2018
    Assignee: ALLEGRO MICROSYSTEMS, LLC
    Inventors: Ali Husain Yusuf Sirohiwala, William P. Taylor, Katherine Shamberger
  • Patent number: 10036785
    Abstract: In one aspect, an integrated circuit (IC) includes a sensor that includes a first magnetoresistive (MR) element and a second MR element less active to a presence of a magnetic field than the first MR element. The second MR element includes a metal layer diffused into other layers of the second MR element.
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: July 31, 2018
    Assignee: Allegro MicroSystems, LLC
    Inventors: Paul A. David, William P. Taylor
  • Publication number: 20180149713
    Abstract: The concepts, systems, circuits and techniques described herein are directed toward sensing a voltage transient within a magnetic field sensor integrated circuit, such as a current sensor. A magnetic field sensor integrated circuit includes a substrate having a first surface and a second opposing surface, at least one magnetic field sensing element supported by a first surface of the substrate, an electromagnetic shield layer disposed on a shielded region of the first surface of the substrate adjacent to an unshielded region of the first surface of the substrate and an electrode disposed in the unshielded region of the first surface of the substrate and configured to permit detection of the voltage transient. In some embodiments, the shielded region and/or the electrode can be omitted.
    Type: Application
    Filed: November 29, 2016
    Publication date: May 31, 2018
    Applicant: Allegro MicroSystems, LLC
    Inventors: Alexander Latham, William P. Taylor
  • Publication number: 20180149677
    Abstract: Systems and methods described herein are directed towards integrating a shield layer into a current sensor to shield a magnetic field sensing element and associated circuitry in the current sensor from electrical, voltage, or electrical transient noise. In an embodiment, a shield layer may be disposed along at least one surface of a die supporting a magnetic field sensing element. The shield layer may be disposed in various arrangements to shunt noise caused by a parasitic coupling between the magnetic field sensing element and the current carrying conductor away from the magnetic field sensing element.
    Type: Application
    Filed: November 29, 2016
    Publication date: May 31, 2018
    Applicant: Allegro MicroSystems, LLC
    Inventors: Shaun D. Milano, Bryan Cadugan, Michael C. Doogue, Alexander Latham, William P. Taylor, Harianto Wong, Sundar Chetlur
  • Publication number: 20180074137
    Abstract: In one aspect, a Hall Effect sensing element includes a Hall plate having a thickness less than about 100 nanometers an adhesion layer directly in contact with the Hall plate and having a thickness in a range about 0.1 nanometers to 5 nanometers. In another aspect, a sensor includes a Hall Effect sensing element. The Hall Effect sensing element includes a substrate that includes one of a semiconductor material or an insulator material, an insulation layer in direct contact with the substrate, an adhesion layer having a thickness in a range of about 0.1 nanometers to 5 nanometers and in direct contact with the insulation layer and a Hall plate in direct contact with the adhesion layer and having a thickness less than about 100 nanometers.
    Type: Application
    Filed: November 16, 2017
    Publication date: March 15, 2018
    Applicant: Allegro MicroSystems, LLC
    Inventors: William P. Taylor, Harianto Wong
  • Patent number: 9910088
    Abstract: Methods and apparatus to provide an integrated circuit having a magnetic sensing element and fault detection module coupled to the sensing element, the fault detection module including circuitry to detect a fault condition and to self-test operation of the circuitry for detecting the fault condition. In illustrative embodiments, a fault pin indicates the fault condition.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: March 6, 2018
    Assignee: ALLEGRO MICROSYSTEMS, LLC
    Inventors: Shaun D. Milano, Georges El Bacha, Michael C. Doogue, William P. Taylor
  • Patent number: 9910087
    Abstract: An integrated circuit includes at least one first magnetic field sensing element including at least one first magnetoresistance element configured to provide an output signal of the integrated circuit in response to a detected magnetic field. The integrated circuit also includes at least one second magnetic field sensing element including at least one second magnetoresistance element configured to have a characteristic indicative of a stress condition. A method for detecting a stress condition in an integrated circuit is also provided.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: March 6, 2018
    Assignee: Allegro Microsystems, LLC
    Inventors: Jeffrey Eagen, Maxim Klebanov, William P. Taylor
  • Publication number: 20180061820
    Abstract: An apparatus includes a package, a plurality of external connections extending outside the package, and a first die having a first electrical contact coupled to a first connection of the plurality of external connections. The apparatus also includes a second die having a second electrical contact coupled to a second connection of the plurality of external connections. A conductor is electrically coupled between the first contact and the second contact to allow electrostatic discharge current to flow between the first die to the second die.
    Type: Application
    Filed: August 24, 2016
    Publication date: March 1, 2018
    Applicant: Allegro MicroSystems, LLC
    Inventors: Maxim Klebanov, Washington Lamar, William P. Taylor
  • Publication number: 20180033955
    Abstract: The present disclosure is directed towards a method for patterning a magnetic sensing layer. The method includes disposing a protective layer on a first of a substrate, disposing a first insulating layer on a first surface of protective layer. An opening is formed in the first insulating layer to expose the first surface of the protective layer. A magnetic sensing layer is disposed over the first insulating layer and a predetermined portion of the first surface of the protective layer within the opening. A second insulating layer can be disposed over the magnetic sensing layer. The second insulation layer and the magnetic sensing layer can be removed from the first insulation layer. Thus, the opening includes the magnetic sensing layer and the second insulation layer after the removal of the second insulation layer and magnetic sensing layer from the first insulation layer.
    Type: Application
    Filed: July 26, 2016
    Publication date: February 1, 2018
    Applicant: Allegro MicroSystems, LLC
    Inventors: Harianto Wong, William P. Taylor
  • Patent number: 9880026
    Abstract: A magnetic field sensor for detecting motion of an object includes a magnet configured to generate a magnetic field and having a first surface adjacent to the object and a second surface distal from the object. The first surface of the magnet has a centerline axis substantially parallel to and disposed on the first surface, and the centerline axis is diagonal with respect to a motion axis substantially parallel to and disposed on the first surface and parallel to which the object moves. The magnetic field sensor also includes a semiconductor substrate disposed between the magnet and the object, the semiconductor substrate supporting a plurality of spaced magnetoresistance elements disposed along a sensing element axis substantially parallel to the centerline axis of the magnet and configured to generate a respective plurality of magnetic field signals in response to the motion of the object with respect to magnetic field.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: January 30, 2018
    Assignee: Allegro MicroSystems, LLC
    Inventors: Jeffrey Eagen, Paul A. David, William P. Taylor
  • Publication number: 20180017412
    Abstract: A magnetic field sensor for detecting motion of an object includes a magnet configured to generate a magnetic field and having a first surface adjacent to the object and a second surface distal from the object. The first surface of the magnet has a centerline axis substantially parallel to and disposed on the first surface, and the centerline axis is diagonal with respect to a motion axis substantially parallel to and disposed on the first surface and parallel to which the object moves. The magnetic field sensor also includes a semiconductor substrate disposed between the magnet and the object, the semiconductor substrate supporting a plurality of spaced magnetoresistance elements disposed along a sensing element axis substantially parallel to the centerline axis of the magnet and configured to generate a respective plurality of magnetic field signals in response to the motion of the object with respect to magnetic field.
    Type: Application
    Filed: July 14, 2016
    Publication date: January 18, 2018
    Applicant: Allegro Microsystems, LLC
    Inventors: Jeffrey Eagen, Paul A. David, William P. Taylor