Patents by Inventor Daniel Keith
Daniel Keith 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: 20250147614Abstract: A touch screen display includes a plurality of electrodes configured to facilitate touch sense functionality based on electrode signals having a drive signal component and a receive signal component, a plurality of drive-sense circuits coupled to at least some of the plurality of electrodes to generate a plurality of sensed signals, and a processing module. The processing module is configured to cause the touch screen display to receive the plurality of sensed signals. A stream of capacitance image data associated with the plurality of cross points is generated based on the plurality of sensed signals. The stream of capacitance image data is processed to detect a touchless gesture.Type: ApplicationFiled: January 3, 2025Publication date: May 8, 2025Applicant: 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: 12292719Abstract: A rotating equipment system with in-line drive-sense circuit (DSC) electric power signal processing includes rotating equipment, in-line drive-sense circuits (DSCs), and one or more processing modules. The in-line DSCs receive input electrical power signals and generate motor drive signals for the rotating equipment. An in-line DSC receives an input electrical power signal, processes it to generate and output a motor drive signal to the rotating equipment via a single line and simultaneously senses the motor drive signal via the single line. Based on the sensing of the motor drive signal via the single line, the in-line DSC provides a digital signal to the one or more processing modules that receive and process the digital signal to determine information regarding one or more operational conditions of the rotating equipment, and based thereon, selectively facilitate one or more adaptation operations on the motor drive signal via the in-line DSC.Type: GrantFiled: August 28, 2023Date of Patent: May 6, 2025Assignee: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr.
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Publication number: 20250138688Abstract: 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: January 3, 2025Publication date: May 1, 2025Applicant: 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: 20250138575Abstract: A programmable drive-sense unit includes a drive-sense circuit operably coupled to a load, the drive-sense circuit being configured to drive and simultaneously to sense the load via a single line, and produce an analog output based on the sensing the load in accordance with a first set of programmable operational parameters. The programmable drive-sense unit also includes an analog to digital circuit operably coupled to the drive-sense circuit, where the analog to digital circuit is operable to generate a digital output based on the analog output and in accordance with a second set of programmable operational parameters.Type: ApplicationFiled: January 3, 2025Publication date: May 1, 2025Applicant: SigmaSense, LLC.Inventors: Richard Stuart Seger, JR., Daniel Keith Van Ostrand, Patrick Troy Gray, Michael Shawn Gray, Timothy W. Markison
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Publication number: 20250130034Abstract: A capacitive imaging glove includes electrodes implemented throughout the capacitive imaging glove and drive-sense circuits (DSCs) such that a DSC receives a reference signal generates a signal based thereon. The DSC provides the signal to a first electrode via a single line and simultaneously senses it. Note the signal is coupled from the first electrode to the second electrode via a gap therebetween. The DSC generates a digital signal representative of the electrical characteristic of the first electrode. Processing module(s), when enabled, is/are configured to execute operational instructions (e.g., stored in and/or retrieved from memory) to generate the reference signal, process the digital signal to determine the electrical characteristic of the first electrode, and process the electrical characteristic of the first electrode to determine a distance between the first electrode and the second electrode, and generate capacitive image data representative of a shape of the capacitive imaging glove.Type: ApplicationFiled: December 17, 2024Publication date: April 24, 2025Applicant: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, JR., Shayne X. Short, Ph.D., Timothy W. Markison
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Publication number: 20250123713Abstract: A method includes a processing module obtaining touch data at a touch data rate. The method further includes the processing module obtaining video data at a refresh rate, wherein the touch data rate is greater than the refresh rate. For a frame of the video data, the method further includes the processing module determining a touch movement trend based on the touch data. The method further includes the processing module determining a position offset for a graphical representation of the touch data based on the touch movement trend. When the position offset exceeds an offset threshold, the method further includes the processing module adjusting position of the graphical representation of the touch data within the frame of video data based on the position offset to produce an adjusted frame of video data.Type: ApplicationFiled: December 20, 2024Publication date: April 17, 2025Applicant: SigmaSense, LLC.Inventors: Kevin Joseph Derichs, Daniel Keith Van Ostrand, Richard Stuart Seger, JR.
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Patent number: 12277312Abstract: A touch sensor system includes touch sensors, drive-sense circuits (DSCs), memory, and a processing module. A DSC drives a first signal via a single line coupling to a touch sensor and simultaneously senses, when present, a second signal that is uniquely associated with a user. The DSC processes the first signal and/or the second signal to generate a digital signal that is representative of an electrical characteristic of the touch sensor. The processing module executes operational instructions (stored in the memory) to process the digital signal to detect interaction of the user with the touch sensor and to determine whether the interaction of the user with the touch sensor compares favorably with authorization. When not authorized, the processing module aborts execution of operation(s) associated with the interaction of the user with the touch sensor. Alternatively, when authorized, the processing module facilitates execution of the operation(s).Type: GrantFiled: August 28, 2023Date of Patent: April 15, 2025Assignee: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr.
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Patent number: 12277087Abstract: A low voltage drive circuit includes a transmit digital to analog circuit that converts transmit digital data into analog outbound data by: generating a DC component; generating a first oscillation at a first frequency; generating a second oscillation at the first frequency; and outputting the first oscillation or the second oscillation on a bit-by-bit basis in accordance with the transmit digital data to produce an oscillating component, wherein the DC component is combined with the oscillating component to produce the analog outbound data, and wherein the oscillating component and the DC component are combined to produce the analog outbound data. A drive sense circuit drives an analog transmit signal onto a bus, wherein the analog outbound data is represented within the analog transmit signal as variances in loading of the bus at the first frequency and wherein analog inbound data is represented within an analog receive signal as variances in loading of the bus at a second frequency.Type: GrantFiled: June 4, 2024Date of Patent: April 15, 2025Assignee: SigmaSense, LLC.Inventors: Richard Stuart Seger, Jr., Daniel Keith Van Ostrand, Gerald Dale Morrison, Timothy W. Markison
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Patent number: 12276780Abstract: A digital camera comprising a digital image sensor and at least one corrective lens element configured to reduce a blurring of an image in a horizontal or vertical dimension on the digital image sensor. The digital image sensor may be larger than a 28 millimeter diagonal.Type: GrantFiled: December 22, 2023Date of Patent: April 15, 2025Assignee: Panavision International, L.P.Inventors: Daniel Keith Sasaki, Haluki Sadahiro
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Patent number: 12271548Abstract: A method includes generating, by a first drive-sense circuit of circuitry of an electronic pen, a first error signal corresponding to an electrical characteristic of a first orientation capacitor of the electronic pen; and generating, by a second drive-sense circuit of the circuitry, a second error signal corresponding to an electrical characteristic of a second orientation capacitor. The method further includes subtracting, by a first subtraction module, the first and second error signals to produce a first difference error signal; receiving, by the circuitry, a self-signal transmitted by one or more electrodes of a touch screen via a primary conductor of the electronic pen; transmitting, by the circuitry, a ring back signal to the touch screen via the primary conductor in response to the self-signal; and transmitting, by the circuitry, the first difference error signal to the touch screen via a secondary conductor of the electronic pen.Type: GrantFiled: March 26, 2024Date of Patent: April 8, 2025Assignee: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Daniel Keith Van Ostrand
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Publication number: 20250110481Abstract: An automated system includes transducers, at least one computing device, and at least one automated apparatus. The transducer(s) is/are driven and sensed using drive-sense circuit(s). A drives and senses drive and sense a transducer via a single line, generates a digital signal representative of a sensed analog feature to which the transducer is exposed, and transmits the digital signal to the computing device. The computing device receives digital signals from at least some of drive-sense circuits and process them in accordance with the automation process to produce an automated process command. The automated apparatus executes a portion of an automated process based on the automated process command.Type: ApplicationFiled: December 11, 2024Publication date: April 3, 2025Applicant: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, JR.
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Publication number: 20250103157Abstract: A method comprises determining, for an interaction between a user computing device and an interactive computing device and in accordance with data type communication restrictions, a first data type of a plurality of data types for supporting the interaction is restricted to transmitting via a screen to screen (STS) communication via a transmission medium. The method also includes determining a second data type of the plurality of data types is allowed for transmitting via a second communication type that is one or more of a Bluetooth communication, a wireless local area network communication, and a cellular network communication. When the available communication types include the STS communication and the second communication type, the method also includes facilitating execution of the interaction utilizing the STS communication for transmitting data having the first data type via a drive-sense signal and utilizing the second communication type for data having the second data type.Type: ApplicationFiled: December 9, 2024Publication date: March 27, 2025Applicant: SigmaSense, LLC.Inventors: Daniel Keith Van Ostrand, Gerald Dale Morrison, Richard Stuart Seger, Jr., Timothy W. Markison
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Publication number: 20250103530Abstract: A low voltage drive circuit (LVDC) includes a digital to analog input circuit operable to convert transmit digital data into combined analog outbound data, where the transmit digital data has a data rate based on a host input clock, and where a first portion of the combined analog outbound data has a first oscillation rate based on a first transmit channel clock and a second portion of the combined analog outbound data has a second oscillation rate based on a second transmit channel clock.Type: ApplicationFiled: December 9, 2024Publication date: March 27, 2025Applicant: SigmaSense, LLC.Inventors: Richard Stuart Seger, JR., Daniel Keith Van Ostrand, Gerald Dale Morrison, Timothy W. Markison
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Publication number: 20250103534Abstract: A communication system comprises three low voltage drive circuits operable for coupling to a wired bus, wherein a low voltage drive circuit of the three low voltage drive circuits includes a transmit section operably coupled to convert transmit digital data into an analog transmit signal that includes one or more transmit frequency components. The communication system further comprises a receive section operably coupled to convert an analog receive signal that includes one or more receive frequency components into received digital data. The communication system further comprises a drive sense circuit for coupling to the wired bus and after the three low voltage drive circuits are operably coupled to the wired bus, each of the three voltage drive circuits is configured for communication among the three low voltage drive circuits, for one-to-one communication, for one-to-many communication, and for many-to-one communication.Type: ApplicationFiled: December 9, 2024Publication date: March 27, 2025Applicant: SigmaSense, LLC.Inventors: Richard Stuart Seger, JR., Daniel Keith Van Ostrand, Gerald Dale Morrison, Timothy W. Markison
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Publication number: 20250094285Abstract: A method for execution by an input/output (IO) control module of an integrated circuit (IC) includes determining whether a programmable IO interface module is for dynamic or static use. The programmable IO interface module includes a configurable front-end module and a configurable back-end module. When the programmable IO interface module is for the dynamic use, determining to configure the programmable IO interface module as the dynamic use of a configuration of a plurality of configurations. The plurality of configurations includes a bidirectional interface, an input, an output, a concurrent drive and sense interface, and a concurrent transmit-receive interface. The method further includes configuring the front-end module in accordance with the configuration, configuring the back-end module in accordance with the configuration, and determining whether to change the configuration to another configuration of the plurality of configurations.Type: ApplicationFiled: December 6, 2024Publication date: March 20, 2025Applicant: SigmaSense, LLC.Inventors: Richard Stuart Seger, Jr., Gerald Dale Morrison, Daniel Keith Van Ostrand, Patrick Troy Gray, Timothy W. Markison
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Publication number: 20250093973Abstract: 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 and detecting, by a set of drive-sense circuits of the plurality of drive-sense circuits, a change in electrical characteristics of a set of electrodes of the plurality of electrodes. The method further includes interpreting, by a processing module of the interactive display device, the change in the electrical characteristics to be caused by a change in capacitance, interpreting the change in capacitance as a digital pad generation indication, generating a digital pad on the interactive surface, and interpreting, by the processing module, changes in the electrical characteristics of one or more sets of electrodes of the plurality of electrodes within the digital pad as functions to manipulate data on the larger area of the interactive display device.Type: ApplicationFiled: December 2, 2024Publication date: March 20, 2025Applicant: SigmaSense, LLC.Inventors: Richard Stuart Seger, JR., Daniel Keith Van Ostrand, Gerald Dale Morrison, Timothy W. Markison
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Patent number: 12242304Abstract: A device having a flexible touch screen display configured to display images in at least a first touch area and a second touch area. At least a portion of the second touch area is located on an edge or side surface of the device. A first plurality of touch sensitive column electrodes and a plurality of row electrodes are integrated into the first touch area, and a second plurality of column electrodes and the plurality of 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: February 8, 2024Date of Patent: March 4, 2025Assignee: SigmaSense, LLC.Inventors: Richard Stuart Seger, Jr., Michael Shawn Gray, Daniel Keith Van Ostrand, Patrick Troy Gray
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Patent number: 12242699Abstract: A method for use in a touch-sensitive panel includes generating electric fields by applying drive signals to a plurality of row electrodes and a plurality of column electrodes included in the touch-sensitive panel, and sensing at least one information signal capacitively coupled to the touch-sensitive panel by detecting impedance changes associated with the plurality of row electrodes and the plurality of column electrodes. The impedance changes are converted to received data. Based on the received data a transmission pattern associated with the at least one information signal is determined. It is further determined that the transmission pattern corresponds to an identification code.Type: GrantFiled: July 3, 2023Date of Patent: March 4, 2025Assignee: SIGMASENSE, LLC.Inventors: Richard Stuart Seger, Jr., Michael Shawn Gray, Daniel Keith Van Ostrand, Patrick Troy Gray, Timothy W. Markison
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Publication number: 20250068221Abstract: A power supply signal conditioning system includes a power supply, one or more loads, and a drive-sense circuit (DSC). The power supply is operably coupled to one or more loads. When enabled, the power supply configured to output a power supply signal having a DC (direct current) voltage component and a ripple voltage component that is based on conversion of an AC (alternating current) signal in accordance with generating the power supply signal. The DSC is operably coupled to the power supply. When enabled, the DSC is configured simultaneously to sense the power supply signal and, based on sensing of the power supply signal, adaptively to process the power supply signal in accordance with reducing or eliminating the ripple voltage component of the power supply signal to generate a conditioned power supply signal to service the one or more loads.Type: ApplicationFiled: November 12, 2024Publication date: February 27, 2025Applicant: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, JR.
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Publication number: 20250060427Abstract: A Hall effect sensor system includes a Hall effect sensor and a drive-sense circuit (DSC). The Hall effect sensor includes an input port to receive a DC (direct current) current signal and generates a Hall voltage based on exposure to a magnetic field. The DSC generates the DC current signal based on a reference signal and drives it via a single line that operably couples the DSC to the Hall effect sensor and simultaneously to sense the DC current signal via the single line. The DSC detects an effect on the DC current signal corresponding to the Hall voltage that is generated across the Hall effect sensor based on exposure of the Hall effect sensor to the magnetic field and generates a digital signal representative of the Hall voltage.Type: ApplicationFiled: November 5, 2024Publication date: February 20, 2025Applicant: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, JR.