Patents by Inventor Michael Shawn Gray
Michael Shawn Gray 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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Publication number: 20240103672Abstract: A capacitive touch screen display operates by: providing a display configured to render frames of data into visible images; providing a plurality of electrodes integrated into the display to facilitate touch sense functionality based on electrode signals having a drive signal component and a receive signal component; generating, via a plurality of drive-sense circuits coupled to at least some of the plurality of electrodes, a plurality of sensed signals; receiving the plurality of sensed signals; generating capacitance image data associated with the plurality of cross points that includes capacitance variation data corresponding to variations of the capacitance image data from a nominal value; and processing the capacitance image data to determine a touchless indication proximal to the touch screen display based on a touchless indication threshold.Type: ApplicationFiled: November 29, 2023Publication date: March 28, 2024Applicant: SigmaSense, LLC.Inventors: Michael Shawn Gray, Patrick Troy Gray, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr., Timothy W. Markison
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Patent number: 11934608Abstract: A touch screen display is operable to operate in a first mode during a first temporal period based on activating exactly one set of drive-sense circuits of a plurality of sets of drive-sense circuits to generate a corresponding one set of sensed signals during the first temporal period, and processing the corresponding one set of sensed signals to generate first proximal interaction data for the first temporal period. The touch screen display is operable to operate in a second mode during a second temporal period after the first temporal period based on activating more than one set of drive-sense circuits of the plurality of sets of drive-sense circuits to generate a corresponding more than one set of sensed signals during the second temporal period, and processing the set of sensed signals to generate second proximal interaction data for the second temporal period.Type: GrantFiled: May 15, 2023Date of Patent: March 19, 2024Assignee: SigmaSense, LLC.Inventors: Daniel Keith Van Ostrand, Michael Shawn Gray, Patrick Troy Gray, Richard Stuart Seger, Jr.
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Publication number: 20240085932Abstract: A drive-sense circuit module includes at least one regulated source circuit coupled to a load, and to a loop correction circuit. The regulated source circuit generates a drive signal, which has a regulated characteristic and a controlled characteristic. At least one reference circuit applies a reference signal to the loop correction circuit that establishes a reference value of the controlled characteristic. The loop correction circuit senses an effect of one or more load characteristics on a sensed value of the controlled characteristic of the drive signal and generates a comparison signal based on the sensed value and the reference value of the controlled characteristic. A regulation signal is generated based on the comparison signal and used to regulate the regulated characteristic of the drive signal.Type: ApplicationFiled: November 14, 2023Publication date: March 14, 2024Applicant: SigmaSense, LLC.Inventors: Patrick Troy Gray, Michael Shawn Gray, Daniel Keith Van Ostrand, Richard Stuart Seger, JR., Timothy W. Markison
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Publication number: 20240061540Abstract: A fingerprint imaging device incorporating a first plurality of electrodes, a second plurality of electrodes and drive-sense circuitry. The first plurality of electrodes and the second plurality of electrodes are separated by a dielectric material and arranged in a crossing pattern in a sensing area. In an embodiment, each of the drive-sense circuits is configured to drive a sensor signal on an electrode of the first plurality or second plurality of electrodes, the sensor signal including a drive signal component and a receive signal component. Each of the drive-sense circuits is further configured to generate, based on the receive signal component, a sensed signal representative of at least a first impedance of the electrode. For at least some of the drive-sense circuits, the sensed signal further represents a second impedance of the electrode in accordance with a drive signal component from a differing electrode.Type: ApplicationFiled: October 16, 2023Publication date: February 22, 2024Applicant: SigmaSense, LLC.Inventors: Daniel Keith Van Ostrand, Michael Shawn Gray, Patrick Troy Gray, Richard Stuart Seger, JR.
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Patent number: 11907450Abstract: An e-pen includes e-pen sensor electrodes (including a first and a second e-pen sensor electrode) and drive-sense circuits (DSCs) (including a first DSC and a second DSC. The first DSC drives a first e-pen signal having a first frequency via a first single line coupling to the first e-pen sensor electrode and simultaneously senses, via the first single line, the first e-pen signal. Based on e-pen/touch sensor device interaction, the first e-pen signal is coupled into at least one touch sensor electrode of the touch sensor device. The first DSC process the first e-pen signal to generate a first digital signal representative of a first electrical characteristic of the first e-pen sensor electrode. Similarly, the second DSC drives a second e-pen signal having a second frequency via a second single line coupling to the second e-pen sensor electrode and simultaneously senses, via the second single line, the second e-pen signal.Type: GrantFiled: February 1, 2023Date of Patent: February 20, 2024Assignee: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr., Michael Shawn Gray, Kevin Joseph Derichs
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Patent number: 11899499Abstract: A device having a flexible touch screen display configured to display images in at least a first touch area and a second touch area. The first touch area is configured to rotate with respect to the second touch area along a folding axis. A first plurality of touch sensitive column and row electrodes are integrated into the first touch area and a second plurality of column and row electrodes are integrated into the second touch area of the flexible display. The device further includes a plurality of drive-sense circuits that drive sensor signals on the electrodes. A processing module senses, based on the sensor signals, an electrical characteristic of at least one row electrode and at least one column electrode of the first touch area or the second touch area and determines, based on the electrical characteristic, a proximal touch to at least one of the first touch area or the second touch area.Type: GrantFiled: January 27, 2023Date of Patent: February 13, 2024Assignee: SigmaSense, LLC.Inventors: Richard Stuart Seger, Jr., Michael Shawn Gray, Daniel Keith Van Ostrand, Patrick Troy Gray
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Patent number: 11899867Abstract: A capacitive touch screen display operates by: providing a display configured to render frames of data into visible images; providing a plurality of electrodes integrated into the display to facilitate touch sense functionality based on electrode signals having a drive signal component and a receive signal component; generating, via a plurality of drive-sense circuits coupled to at least some of the plurality of electrodes, a plurality of sensed signals; receiving the plurality of sensed signals; generating a stream of capacitance image data associated with the plurality of cross points that includes capacitance variation data corresponding to variations of the capacitance image data from a nominal value within a temporal period; and processing the capacitance image data to determine a touchless gesture occurring within the temporal period.Type: GrantFiled: April 12, 2022Date of Patent: February 13, 2024Assignee: SigmaSense, LLC.Inventors: Michael Shawn Gray, Patrick Troy Gray, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr., Timothy W. Markison
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Publication number: 20240048356Abstract: A method includes generating, by a transmit digital to analog circuit of a low voltage drive circuit (LVDC), analog outbound data. The analog outbound data includes a direct current (DC) component and an oscillating component at a first frequency. The method further includes generating, by an analog transmit encryption signal generator of a transmit encrypt module of the LVDC, an analog transmit encryption signal having at least one frequency component, multiplying, by a mixer of the transmit encrypt module, the analog outbound data with the analog transmit encryption signal to produce an encrypted transmit signal having frequency components that differ from the first frequency. The method further includes generating, by a power source circuit of a drive-sense circuit of the LVDC, the encrypted analog outbound data as an analog transmit signal of a bus signal based on analog inbound data.Type: ApplicationFiled: July 27, 2022Publication date: February 8, 2024Applicant: SigmaSense, LLC.Inventors: Richard Stuart Seger, Jr., Daniel Keith Van Ostrand, Michael Shawn Gray, Timothy W. Markison
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Patent number: 11875005Abstract: A capacitive touch screen display operates by: providing a display configured to render frames of data into visible images; providing a plurality of electrodes integrated into the display to facilitate touch sense functionality based on electrode signals having a drive signal component and a receive signal component; generating, via a plurality of drive-sense circuits coupled to at least some of the plurality of electrodes, a plurality of sensed signals; receiving the plurality of sensed signals; generating capacitance image data associated with the plurality of cross points that includes capacitance variation data corresponding to variations of the capacitance image data from a nominal value; and processing the capacitance image data to determine a touchless indication proximal to the touch screen display based on a touchless indication threshold.Type: GrantFiled: April 12, 2022Date of Patent: January 16, 2024Assignee: SigmaSense, LLC.Inventors: Michael Shawn Gray, Patrick Troy Gray, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr., Timothy W. Markison
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Publication number: 20240010145Abstract: A sensor system is operable to: communicate a first ID signal at a first frequency between a first perimeter sensor and a first sensor circuit through a body of a first user in a first vehicle chair, determine interaction with an interactable element corresponding to the first sensor circuit based on sensed signal data from a first sensor circuit indicating changes in electrical properties of an electrode of the first sensor circuit; determine the interaction is via the first user in the first vehicle chair when the sensed signal data indicates detection of the first frequency; and when the sensed signal data indicates detection of the first frequency, perform a first vehicle functionality of a set of vehicle functionalities based on configuration data corresponding to the first user.Type: ApplicationFiled: May 16, 2023Publication date: January 11, 2024Applicant: SigmaSense, LLC.Inventors: Kevin Joseph Derichs, Richard Stuart Seger, JR., Michael Shawn Gray, Patrick Troy Gray, Daniel Keith Van Ostrand
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Publication number: 20240010144Abstract: A sensor system is operable to: communicate a first ID signal at a first frequency between a first passenger restraint and a first sensor circuit through a body of a first user in a first vehicle chair; determine interaction with an interactable element corresponding to the first sensor circuit based on sensed signal data from a first sensor circuit indicating changes in electrical properties of an electrode of the first sensor circuit; determine the interaction is via the first user in the first vehicle chair when the sensed signal data indicates detection of the first frequency; and when the sensed signal data indicates detection of the first frequency, perform a first vehicle functionality of a set of vehicle functionalities based on configuration data corresponding to the first user.Type: ApplicationFiled: May 16, 2023Publication date: January 11, 2024Applicant: SigmaSense, LLC.Inventors: Kevin Joseph Derichs, Richard Stuart Seger, JR., Michael Shawn Gray, Patrick Troy Gray, Daniel Keith Van Ostrand
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Publication number: 20240004602Abstract: An interactive device is operable to receive a first plurality of sensed signals during a first temporal period. The first plurality of sensed signals indicate a first plurality of changes in electrical characteristics of a set of electrodes of the plurality of electrodes. A first impedance pattern identifying a writing passive device is detected based on interpreting the first plurality of changes in the electrical characteristics of the set of electrodes during the first temporal period. The writing passive device is detected based on detecting the first impedance pattern. Written user notion data is detected based on detecting movement of the writing passive device in relation to the interactive display device during the first temporal period. The written user notation data is processed for display in accordance with at least one display setting corresponding to the writing passive device.Type: ApplicationFiled: September 19, 2023Publication date: January 4, 2024Applicant: SigmaSense, LLC.Inventors: Richard Stuart Seger, JR., Michael Shawn Gray, Patrick Troy Gray, Daniel Keith Van Ostrand, Kevin Joseph Derichs
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Patent number: 11861082Abstract: An e-pen includes e-pen sensor electrodes (including a first and a second e-pen sensor electrode) and drive-sense circuits (DSCs) (including a first DSC and a second DSC. The first DSC drives a first e-pen signal having a first frequency via a first single line coupling to the first e-pen sensor electrode and simultaneously senses, via the first single line, the first e-pen signal. Based on e-pen/touch sensor device interaction, the first e-pen signal is coupled into at least one touch sensor electrode of the touch sensor device. The first DSC process the first e-pen signal to generate a first digital signal representative of a first electrical characteristic of the first e-pen sensor electrode. Similarly, the second DSC drives a second e-pen signal having a second frequency via a second single line coupling to the second e-pen sensor electrode and simultaneously senses, via the second single line, the second e-pen signal.Type: GrantFiled: September 29, 2022Date of Patent: January 2, 2024Assignee: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr., Michael Shawn Gray, Kevin Joseph Derichs
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Publication number: 20230384899Abstract: A capacitive touch screen display operates by: providing a display configured to render frames of data into visible images; providing a plurality of electrodes integrated into the display to facilitate touch sense functionality based on electrode signals having a drive signal component and a receive signal component; generating, via a plurality of drive-sense circuits coupled to at least some of the plurality of electrodes, a plurality of sensed signals; receiving the plurality of sensed signals; generating capacitance image data associated with the plurality of cross points that includes capacitance variation data corresponding to variations of the capacitance image data from a nominal value; and processing the capacitance image data to determine a touchless indication proximal to the touch screen display based on a touchless indication threshold.Type: ApplicationFiled: April 12, 2022Publication date: November 30, 2023Applicant: SigmaSense, LLC.Inventors: Michael Shawn Gray, Patrick Troy Gray, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr., Timothy W. Markison
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Patent number: 11829677Abstract: A method includes transmitting, by a plurality of drive sense circuits of an interactive display device, a plurality of signals on a plurality of electrodes of the interactive display device. A writing passive device is identified based on a first plurality of changes detected in the electrical characteristics of the set of electrodes. Written user notion data is determined based on detecting movement of the writing passive device in relation to the interactive display device, and the written user notation data is displayed. An erasing passive device is identified based on a second plurality of changes detected in the electrical characteristics of the set of electrodes. Erased portions of the written user notation data is determined based on detecting movement of the erasing passive device in relation to the interactive display device, and the updated written user notation data is displayed based on no longer displaying the erased portions.Type: GrantFiled: November 8, 2022Date of Patent: November 28, 2023Assignee: SigmaSense, LLC.Inventors: Richard Stuart Seger, Jr., Michael Shawn Gray, Patrick Troy Gray, Daniel Keith Van Ostrand, Kevin Joseph Derichs
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Patent number: 11822358Abstract: A drive-sense circuit module (DSC) includes at least one regulated source circuit coupled to a load, and to a loop correction circuit. The regulated source circuit generates a power signal, which has a regulated characteristic and a controlled characteristic. At least one reference circuit applies a reference signal to the loop correction circuit that establishes a reference value of the controlled characteristic. The loop correction circuit senses an effect of one or more load characteristics on a sensed value of the controlled characteristic of the power signal, and generates a comparison signal based on the sensed value and the reference value of the controlled characteristic. A regulation signal is generated based on the comparison signal, and used to regulate the regulated characteristic of the power signal.Type: GrantFiled: September 23, 2021Date of Patent: November 21, 2023Assignee: SigmaSense, LLC.Inventors: Patrick Troy Gray, Michael Shawn Gray, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr., Timothy W. Markison
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Publication number: 20230362516Abstract: A handheld communication device includes an imaging device having: pixel sensors arranged in a first direction and a second direction that respond to incident light, wherein the first direction is different than the second direction; drive-sense circuits, wherein each of the plurality of drive-sense circuits is coupled to a corresponding one of the pixel sensors and generates sensed signals, wherein each of the drive-sense circuits includes: a first conversion circuit configured to convert a receive signal component of a sensor signal corresponding to the corresponding one of the pixel sensors into a corresponding one of the sensed signals; and a second conversion circuit configured to generate, based on the corresponding one of the sensed signals, a drive signal component of the sensor signal corresponding to the one of the pixel sensors.Type: ApplicationFiled: July 6, 2023Publication date: November 9, 2023Applicant: SigmaSense, LLC.Inventor: Michael Shawn Gray
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Publication number: 20230359312Abstract: A pen for interacting with a touch screen of a computing device includes an alternating current coupling circuit and a sense-regulation circuit. The alternating current coupling circuit receives a sense signal from the touch screen. The alternating current coupling circuit transmits a transmit signal to the touch screen. The sense-regulation circuit receives the sense signal from the alternating current coupling circuit. The sense-regulation circuit receives a representation of transmit data. The sense-regulation circuit generates a comparison signal based on the sense signal and the representation of the transmit data. The sense-regulation circuit converts the representation of the transmit data into the transmit signal.Type: ApplicationFiled: June 23, 2023Publication date: November 9, 2023Applicant: SIGMASENSE, LLC.Inventors: Daniel Keith Van Ostrand, Michael Shawn Gray
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Publication number: 20230359301Abstract: A touch screen display is operable to operate in a first mode during a first temporal period based on activating exactly one set of drive-sense circuits of a plurality of sets of drive-sense circuits to generate a corresponding one set of sensed signals during the first temporal period, and processing the corresponding one set of sensed signals to generate first proximal interaction data for the first temporal period. The touch screen display is operable to operate in a second mode during a second temporal period after the first temporal period based on activating more than one set of drive-sense circuits of the plurality of sets of drive-sense circuits to generate a corresponding more than one set of sensed signals during the second temporal period, and processing the set of sensed signals to generate second proximal interaction data for the second temporal period.Type: ApplicationFiled: May 15, 2023Publication date: November 9, 2023Applicant: SigmaSense, LLC.Inventors: Daniel Keith Van Ostrand, Michael Shawn Gray, Patrick Troy Gray, Richard Stuart Seger, JR.
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Publication number: 20230353904Abstract: An imaging device that generates image data includes: a plurality of pixel sensors arranged in a first direction and a second direction that respond to incident light, wherein the first direction is different than the second direction; A plurality drive-sense circuits, wherein each of the plurality of drive-sense circuits is coupled to a corresponding one of the plurality of pixel sensors and generates a plurality of sensed signals, wherein each of the plurality of drive-sense circuits includes: a first conversion circuit configured to convert a receive signal component of a sensor signal corresponding to the corresponding one of the plurality of pixel sensors into a corresponding one of the plurality of sensed signals; and a second conversion circuit configured to generate, based on the corresponding one of the plurality of sensed signals, a drive signal component of the sensor signal corresponding to the one of the plurality of pixel sensors.Type: ApplicationFiled: July 6, 2023Publication date: November 2, 2023Applicant: SigmaSense, LLC.Inventor: Michael Shawn Gray