Patents by Inventor Nevenka Kozomora
Nevenka Kozomora 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).
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Patent number: 11368533Abstract: In one aspect, a system includes an electronic control unit (ECU) and an integrated circuit (IC). The IC is configured to transmit, to the ECU, absolute data on a message line at a first rate; and transmit, to the ECU, incremental data on an index line at a second rate. The second rate is faster than the first rate and the incremental data includes data associated with changes in the absolute data.Type: GrantFiled: November 19, 2020Date of Patent: June 21, 2022Assignee: Allegro MicroSystems, LLCInventors: Nevenka Kozomora, Andrea Foletto, Emanuele Andrea Casu
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Publication number: 20220159073Abstract: In one aspect, a system includes an electronic control unit (ECU) and an integrated circuit (IC). The IC is configured to transmit, to the ECU, absolute data on a message line at a first rate; and transmit, to the ECU, incremental data on an index line at a second rate. The second rate is faster than the first rate and the incremental data includes data associated with changes in the absolute data.Type: ApplicationFiled: November 19, 2020Publication date: May 19, 2022Applicant: Allegro MicroSystems, LLCInventors: Nevenka Kozomora, Andrea Foletto, Emanuele Andrea Casu
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Patent number: 11313700Abstract: A system for reducing stray field effects comprises a magnetic target producing a changing magnetic field; a first set of magnetic field sensing elements placed in spaced relation to the magnetic target and comprising at least a first magnetic field sensing element and a second magnetic field sensing element, each magnetic field sensing element having an axis of maximum sensitivity; a second set of magnetic field sensing elements placed in spaced relation to the magnetic target and comprising at least a third magnetic field sensing element and a fourth magnetic field sensing element, each magnetic field sensing element having an axis of maximum sensitivity; and wherein the first set of magnetic field sensing elements is positioned closer to a center point of the magnetic field than the second set of magnetic field sensing elements.Type: GrantFiled: November 9, 2020Date of Patent: April 26, 2022Assignee: Allegro MicroSystems, LLCInventors: Nevenka Kozomora, William Wilkinson, Braden Blanchette
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Patent number: 11162815Abstract: A system for detecting a magnetic target includes a magnetic field sensor comprising two or more sensing clusters positioned on a surface of a substrate; and a magnetic target comprising at least four magnetic quadrants spaced evenly around a center point of the magnetic target. The at least four magnetic quadrants have alternating magnetic polarities. The two or more sensing clusters are positioned evenly around the axis of rotation so that each of the sensing clusters detects a magnetic field of two magnetic quadrants that have the same magnetic polarity.Type: GrantFiled: September 14, 2018Date of Patent: November 2, 2021Assignee: Allegro MicroSystems, LLCInventors: Ali Husain Yusuf Sirohiwala, Nevenka Kozomora
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Publication number: 20210055129Abstract: A system for reducing stray field effects comprises a magnetic target producing a changing magnetic field; a first set of magnetic field sensing elements placed in spaced relation to the magnetic target and comprising at least a first magnetic field sensing element and a second magnetic field sensing element, each magnetic field sensing element having an axis of maximum sensitivity; a second set of magnetic field sensing elements placed in spaced relation to the magnetic target and comprising at least a third magnetic field sensing element and a fourth magnetic field sensing element, each magnetic field sensing element having an axis of maximum sensitivity; and wherein the first set of magnetic field sensing elements is positioned closer to a center point of the magnetic field than the second set of magnetic field sensing elements.Type: ApplicationFiled: November 9, 2020Publication date: February 25, 2021Applicant: Allegro MicroSystems, LLCInventors: Nevenka Kozomora, William Wilkinson, Braden Blanchette
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Patent number: 10866117Abstract: A system for reducing stray field effects comprises a magnetic target producing a changing magnetic field; a first set of magnetic field sensing elements placed in spaced relation to the magnetic target and comprising at least a first magnetic field sensing element and a second magnetic field sensing element, each magnetic field sensing element having an axis of maximum sensitivity; a second set of magnetic field sensing elements placed in spaced relation to the magnetic target and comprising at least a third magnetic field sensing element and a fourth magnetic field sensing element, each magnetic field sensing element having an axis of maximum sensitivity; and wherein the first set of magnetic field sensing elements is positioned closer to a center point of the magnetic field than the second set of magnetic field sensing elements.Type: GrantFiled: March 1, 2018Date of Patent: December 15, 2020Assignee: Allegro MicroSystems, LLCInventors: Nevenka Kozomora, William Wilkinson, Braden Blanchette
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Patent number: 10747708Abstract: A system for communicating between electronic devices on a communication bus includes a communication bus and one or more communication circuits each having an output driver coupled to the communication bus and each having an input terminal. Each communication circuit produces, in response to a request message, a data communication on the communication bus in a predetermined order with respect to data communications from other communication circuits so that the data communications from each communication circuit form a sequential data stream in response to the request message.Type: GrantFiled: March 8, 2018Date of Patent: August 18, 2020Assignee: Allegro MicroSystems, LLCInventors: Nevenka Kozomora, Richard Vreeland
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Publication number: 20200088546Abstract: A system for detecting a magnetic target includes a magnetic field sensor comprising two or more sensing clusters positioned on a surface of a substrate; and a magnetic target comprising at least four magnetic quadrants spaced evenly around a center point of the magnetic target. The at least four magnetic quadrants have alternating magnetic polarities. The two or more sensing clusters are positioned evenly around the axis of rotation so that each of the sensing clusters detects a magnetic field of two magnetic quadrants that have the same magnetic polarity.Type: ApplicationFiled: September 14, 2018Publication date: March 19, 2020Applicant: Allegro MicroSystems, LLCInventors: Ali Husain Yusuf Sirohiwala, Nevenka Kozomora
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Publication number: 20190278737Abstract: A system for communicating between electronic devices on a communication bus includes a communication bus and one or more communication circuits each having an output driver coupled to the communication bus and each having an input terminal. Each communication circuit produces, in response to a request message, a data communication on the communication bus in a predetermined order with respect to data communications from other communication circuits so that the data communications from each communication circuit form a sequential data stream in response to the request message.Type: ApplicationFiled: March 8, 2018Publication date: September 12, 2019Applicant: Allegro MicroSystems, LLCInventors: Nevenka Kozomora, Richard Vreeland
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Publication number: 20190271568Abstract: A system for reducing stray field effects comprises a magnetic target producing a changing magnetic field; a first set of magnetic field sensing elements placed in spaced relation to the magnetic target and comprising at least a first magnetic field sensing element and a second magnetic field sensing element, each magnetic field sensing element having an axis of maximum sensitivity; a second set of magnetic field sensing elements placed in spaced relation to the magnetic target and comprising at least a third magnetic field sensing element and a fourth magnetic field sensing element, each magnetic field sensing element having an axis of maximum sensitivity; and wherein the first set of magnetic field sensing elements is positioned closer to a center point of the magnetic field than the second set of magnetic field sensing elements.Type: ApplicationFiled: March 1, 2018Publication date: September 5, 2019Applicant: Allegro MicroSystems, LLCInventors: Nevenka Kozomora, William Wilkinson, Braden Blanchette
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Patent number: 9787495Abstract: A network slave device includes a transceiver for communicating over a communication bus in accordance with a point-to-point network protocol. The network slave device may include an address to identify the network slave device on the network. It may also include a communication circuit configured to process a command received by the transceiver and generate a reply for transmission over the communication bus if an address included in the command matches the address of the slave device. A master device communicating on the network may send commands including the address of the slave device in accordance with the point-to-point network protocol. In an embodiment, the point-to-point protocol is the SENT protocol.Type: GrantFiled: March 12, 2015Date of Patent: October 10, 2017Assignee: Allegro Microsystems, LLCInventors: Richard Vreeland, Nevenka Kozomora, Michael C. Doogue, Ricardo Scheinkerman
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Patent number: 9634715Abstract: A network slave device includes a transceiver for communicating over a communication bus in accordance with a point-to-point network protocol. The network slave device may have an address to identify the network slave device on the network. It may also have a communication circuit configured to process a series of commands received by the transceiver and respond to a command if a position of the command in the series of commands corresponds to the address of the network slave device. A master device communicating on the network may send the series of command in accordance with the point-to-point network protocol. In an embodiment, the point-to-point protocol is the SENT protocol.Type: GrantFiled: March 12, 2015Date of Patent: April 25, 2017Assignee: Allegro Microsystems, LLCInventors: Ricardo Scheinkerman, Nevenka Kozomora, Michael C. Doogue, Richard Vreeland
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Publication number: 20150236869Abstract: A network slave device includes a transceiver for communicating over a communication bus in accordance with a point-to-point network protocol. The network slave device may include an address to identify the network slave device on the network. It may also include a communication circuit configured to process a command received by the transceiver and generate a reply for transmission over the communication bus if an address included in the command matches the address of the slave device. A master device communicating on the network may send commands including the address of the slave device in accordance with the point-to-point network protocol. In an embodiment, the point-to-point protocol is the SENT protocol.Type: ApplicationFiled: March 12, 2015Publication date: August 20, 2015Applicant: Allegro MicroSystems, LLCInventors: Richard Vreeland, Nevenka Kozomora, Michael C. Doogue, Ricardo Scheinkerman
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Publication number: 20150236746Abstract: A network slave device includes a transceiver for communicating over a communication bus in accordance with a point-to-point network protocol. The network slave device may have an address to identify the network slave device on the network. It may also have a communication circuit configured to process a series of commands received by the transceiver and respond to a command if a position of the command in the series of commands corresponds to the address of the network slave device. A master device communicating on the network may send the series of command in accordance with the point-to-point network protocol. In an embodiment, the point-to-point protocol is the SENT protocol.Type: ApplicationFiled: March 12, 2015Publication date: August 20, 2015Applicant: ALLEGRO MICROSYSTEMS, LLCInventors: Ricardo Scheinkerman, Nevenka Kozomora, Michael C. Doogue, Richard Vreeland
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Patent number: 8957676Abstract: An integrated magnetic field sensor includes a magnetic field sensing element configured to generate a magnetic field sensing element output signal in response to a magnetic field. The integrated magnetic field sensor also includes a threshold control node configured to receive a control signal from outside of the integrated magnetic field sensor, wherein the integrated magnetic field sensor is configured to provide an adjustable threshold signal in response to the control signal. The integrated magnetic field sensor also includes a comparator having a first input node coupled to receive a first signal representative of the magnetic field sensing element output signal, a second input node coupled to receive a second signal representative of the adjustable threshold signal, and an output node at which is generated an output signal responsive to the first and second signals.Type: GrantFiled: May 6, 2011Date of Patent: February 17, 2015Assignee: Allegro Microsystems, LLCInventors: Paul David, Andreas P. Friedrich, Gary T. Pepka, Nevenka Kozomora
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Patent number: 8577634Abstract: A magnetic field sensor including a bidirectional node is configured to perform at least one of generating sensor data, storing sensor data, or communicating sensor data in a serial data signal in response to a trigger signal received at the bidirectional node. An alternative sensor having a node that may or may not be a bidirectional node is configured to reset at least one of a sensor data signal, a clock, a register, or a counter in response to a trigger signal received at the node and is further configured to communicate the sensor data signal in response to the trigger signal.Type: GrantFiled: December 15, 2010Date of Patent: November 5, 2013Assignee: Allegro Microsystems, LLCInventors: Mark J. Donovan, Craig S. Petrie, Nevenka Kozomora, Michael C. Doogue
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Publication number: 20120280681Abstract: An integrated magnetic field sensor includes a magnetic field sensing element configured to generate a magnetic field sensing element output signal in response to a magnetic field. The integrated magnetic field sensor also includes a threshold control node configured to receive a control signal from outside of the integrated magnetic field sensor, wherein the integrated magnetic field sensor is configured to provide an adjustable threshold signal in response to the control signal. The integrated magnetic field sensor also includes a comparator having a first input node coupled to receive a first signal representative of the magnetic field sensing element output signal, a second input node coupled to receive a second signal representative of the adjustable threshold signal, and an output node at which is generated an output signal responsive to the first and second signals.Type: ApplicationFiled: May 6, 2011Publication date: November 8, 2012Applicant: ALLEGRO MICROSYSTEMS, INC.Inventors: Paul David, Andreas P. Friedrich, Gary T. Pepka, Nevenka Kozomora
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Patent number: 8222888Abstract: A sensor having a power management mechanism controlled by an external trigger signal is presented. The sensor includes a magnetic field signal generating circuit and a control circuit coupled to the magnetic field signal generating circuit. The control circuit, responsive to an externally generated trigger signal, initiates a supply current pulse that activates the magnetic field signal generating circuit for a predetermined time interval.Type: GrantFiled: September 29, 2008Date of Patent: July 17, 2012Assignee: Allegro Microsystems, Inc.Inventors: Paul David, Nevenka Kozomora, Gary T. Pepka
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Publication number: 20120158335Abstract: A magnetic field sensor including a bidirectional node is configured to perform at least one of generating sensor data, storing sensor data, or communicating sensor data in a serial data signal in response to a trigger signal received at the bidirectional node. An alternative sensor having a node that may or may not be a bidirectional node is configured to reset at least one of a sensor data signal, a clock, a register, or a counter in response to a trigger signal received at the node and is further configured to communicate the sensor data signal in response to the trigger signal.Type: ApplicationFiled: December 15, 2010Publication date: June 21, 2012Applicant: ALLEGRO MICROSYSTEMS, INC.Inventors: Mark J. Donovan, Craig S. Petrie, Nevenka Kozomora, Michael C. Doogue
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Patent number: 7747146Abstract: In one aspect, a control circuit to control a speed of a motor includes a control logic circuit connected to a multifunction port. The control logic circuit is configured to receive a control signal provided at the multifunction port and to provide response signals based on the control signal to place the motor in at least two of a sleep mode, a brake mode and a pulse-width modulation (PWM) mode. The motor control circuit also includes an H-bridge circuit configured to control the motor based on the response signals.Type: GrantFiled: August 8, 2007Date of Patent: June 29, 2010Assignee: Allegro Microsystems, Inc.Inventors: Shaun D. Milano, Alejandro G. Milesi, Nevenka Kozomora