Patents Assigned to SIGMASENSE, LLC.
-
Patent number: 11625022Abstract: 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: GrantFiled: March 28, 2022Date of Patent: April 11, 2023Assignee: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr.
-
Publication number: 20230109217Abstract: A method includes, for a first x-y position of a sensing grid, obtaining first sensed data. The method further includes, for a first sense data layer, determining whether the first sensed data compares favorably to a threshold for the first sense data layer. The method further includes, when the first sensed data compares favorably to the threshold for the first sense data layer; storing a first n-bit value and storing a second n-bit value when it does not. The method further includes, for a second sense data layer, determining whether the first sensed data compares favorably to a threshold for the second sense data layer. The method further includes, when the first sensed data compares favorably to the threshold for the second sense data layer; storing the first n-bit value and storing the second n-bit value when it does not. The method includes similar processing for a second x-y position.Type: ApplicationFiled: November 29, 2022Publication date: April 6, 2023Applicant: SigmaSense, LLC.Inventors: Gerald Dale Morrison, Michael Shawn Gray, Grant Howard McGibney
-
Publication number: 20230109203Abstract: A touch sensor device includes a first panel, a second panel, and a drive-sense circuit (DSC). The first panel that includes first electrodes arranged in a first direction and second electrodes arranged in a second direction. The second panel includes third electrodes arranged in a third direction and fourth electrodes arranged in a fourth direction. The DSC is operably coupled via a single line to a coupling of a first electrode of the first electrodes and a first electrode of the third electrodes. The DSC is configured to provide the signal, which is generated based on a reference signal, via the single line to the coupling and simultaneously to sense the signal via the single line. The DSC generates a digital signal representative of the at least one electrical characteristic associated with the first electrode of the first electrodes and/or the first electrode of the third electrodes.Type: ApplicationFiled: December 5, 2022Publication date: April 6, 2023Applicant: SIGMASENSE, LLC.Inventor: Kevin Joseph Derichs
-
Publication number: 20230105616Abstract: 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: November 29, 2022Publication date: April 6, 2023Applicant: SigmaSense, LLC.Inventors: Richard Stuart Seger, JR., Gerald Dale Morrison, Daniel Keith Van Ostrand, Patrick Troy Gray, Timothy W. Markison
-
Patent number: 11620014Abstract: A touchscreen display includes one or more display drivers coupled to an active matrix display and one or more touch controllers coupled to one or more touch sensor conductors. The one or more display drivers are coupled to the active matrix display via active matrix conductive components. When enabled, the one or more display drivers is configured to transmit a first signal to the active matrix display in accordance with display operation. A touch sensor conductor includes one or more segments of the active matrix conductive components. When enabled, a touch controller of the one or more touch controllers is configured to transmit a second signal via the touch sensor conductor in accordance with touchscreen operation that is performed concurrently with the display operation.Type: GrantFiled: June 27, 2022Date of Patent: April 4, 2023Assignee: SIGMASENSE, LLC.Inventors: Daniel Keith Van Ostrand, Michael Shawn Gray, Kevin Joseph Derichs
-
Publication number: 20230098237Abstract: A method includes providing, by a signal source circuit of a sensing circuit, a signal to a sensor via a conductor. When the sensor is exposed to a condition and is receiving the signal, an electrical characteristic of the sensor affects the signal. The signal includes at least one of: a direct current (DC) component and an oscillating component. When the sensing circuit is in a noisy environment, transient noise couples with the signal to produce a noisy signal. The method further includes comparing, by a transient circuit of the sensing circuit, the noisy signal with a representation of the noisy signal. When the noisy signal compares unfavorably with the representation of the noisy signal, supplying, by the transient circuit, a compensation signal to the conductor. A level of the compensation signal corresponds to a level at which the noisy signal compares unfavorably with the representation of the noisy signal.Type: ApplicationFiled: November 29, 2022Publication date: March 30, 2023Applicant: SigmaSense, LLC.Inventors: Daniel Keith Van Ostrand, Gerald Dale Morrison, Patrick Troy Gray, Richard Stuart Seger, Jr.
-
Publication number: 20230100632Abstract: A method includes providing, by a processing module of a differential touch screen display, a plurality of row and column analog reference signals to a plurality of column and row differential drive-sense circuits of the differential touch screen display. The plurality of column and row differential drive-sense circuits is coupled to a plurality of column differential electrode pairs and a plurality of row differential electrode pairs. The plurality of column analog reference signals includes a first oscillating component at a first frequency and the plurality of row analog reference signals includes the first oscillating component and a second oscillating component at a second frequency. The method further includes obtaining a set of column and row sensed signals from a set of column and row differential drive-sense circuits and interpreting the set of column and row sensed signals as one or more of a self-capacitance and a cross mutual capacitance.Type: ApplicationFiled: August 17, 2022Publication date: March 30, 2023Applicant: SigmaSense, LLC.Inventor: Daniel Keith Van Ostrand
-
Publication number: 20230094626Abstract: A method includes obtaining, by a first processing entity, first data communication capabilities of a first host device. The first host device and the first processing entity are associated with a first low voltage drive circuit. The method further includes obtaining, by a second processing entity, second data communication capabilities of a second host device. The second host device and the second processing entity are associated with a second low voltage drive circuit. The method further includes reconciling, by one or more of the first and second processing entities, the first and second data communication capabilities to produce reconciled data communication capabilities and determining a data conveyance scheme and a data communication scheme for a one-to-one communication between the first and second low voltage drive circuits based on the reconciled data communication capabilities.Type: ApplicationFiled: November 30, 2022Publication date: March 30, 2023Applicant: SigmaSense, LLC.Inventors: Richard Stuart Seger, Jr., Daniel Keith Van Ostrand, Gerald Dale Morrison, Timothy W. Markison
-
Patent number: 11615047Abstract: A method for a low voltage drive circuit (LVDC) begins by receiving data from one or more other low voltage drive circuits (LVDCs) using a bus with varying loading at one or more frequencies and continues by sampling one or more data values of the data to produce a sampled digital data value, converting the sampled digital data value to a binary string and writing the binary string to a buffer. The method continues by writing one or more additional binary strings to the buffer to form a digital word, outputting the digital word to a digital converter circuit and formatting the digital word to create a formatted digital word. The method continues by writing the formatted digital word to a second buffer, writing additional formatted digital words to the second buffer to form a data packet and finally, outputting the data packet to a host device.Type: GrantFiled: May 6, 2022Date of Patent: March 28, 2023Assignee: SigmaSense, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr., Kevin Joseph Derichs, Timothy W. Markison
-
Publication number: 20230091560Abstract: 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: ApplicationFiled: November 8, 2022Publication date: March 23, 2023Applicant: SigmaSense, LLC.Inventors: Richard Stuart Seger, JR., Michael Shawn Gray, Patrick Troy Gray, Daniel Keith Van Ostrand, Kevin Joseph Derichs
-
Publication number: 20230086442Abstract: A fingerprint scanning device having a sensing area that includes a plurality of row electrodes and a plurality of column electrodes. The row electrodes and column electrodes are separated by a dielectric material and arranged in a crossing pattern in the sensing area. A plurality of drive-sense circuits drive sensor signals on the electrodes. In an embodiment, each of the drive-sense circuits is configured, when enabled, to drive a sensor signal on at least one electrode of the plurality of column electrodes or the plurality of row 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 an impedance of the at least one electrode.Type: ApplicationFiled: September 21, 2021Publication date: March 23, 2023Applicant: SigmaSense, LLC.Inventors: Daniel Keith Van Ostrand, Michael Shawn Gray, Patrick Troy Gray, Richard Stuart Seger, JR.
-
Publication number: 20230087019Abstract: A force detection system includes first and second sets of pressure sensors, memory, and a processing module. The first set of pressure sensors are in an insole of a shoe and the second set of pressure sensors are in an outsole of a shoe. The processing module receives first data regarding the first set of pressure sensors and generates a first digital representation of the first data. The processing module also receives second data regarding the second set of pressure sensors and generates a second digital representation of the second data. The processing module also writes the first and second digital representations to the memory.Type: ApplicationFiled: November 29, 2022Publication date: March 23, 2023Applicant: SigmaSense, LLC.Inventors: Michael Shawn Gray, Richard Stuart Seger, JR., Timothy W. Markison, Kevin Joseph Derichs
-
Patent number: 11609652Abstract: A computing device configured for screen-to-screen (STS) communication, the computing device comprising an interface, memory and a processing module coupled to the memory and the interface. The processing module is configured to determine, for an interaction between a user computing device and an interactive computing device, an interaction type associated with the interaction and determine one or more data types for supporting the interaction. The processing module is further configured to determine available communication types for supporting the interaction and determine data type communication restrictions for the one or more data types, where a first data type is restricted to an STS communication via a transmission medium that includes one of a body as a network, a close proximity and a physical surface. The processing module is further configured to determine whether the available communication types allow for the interaction and when allowed, set up communications for executing the interaction.Type: GrantFiled: January 5, 2022Date of Patent: March 21, 2023Assignee: SigmaSense, LLC.Inventors: Daniel Keith Van Ostrand, Gerald Dale Morrison, Richard Stuart Seger, Jr., Timothy W. Markison
-
Publication number: 20230071058Abstract: A method includes, for a first x-y position of a sensing grid, obtaining first sensed data. The method further includes, for a first sense data layer, determining whether the first sensed data compares favorably to a threshold for the first sense data layer. The method further includes, when the first sensed data compares favorably to the threshold for the first sense data layer; storing a first n-bit value and storing a second n-bit value when it does not. The method further includes, for a second sense data layer, determining whether the first sensed data compares favorably to a threshold for the second sense data layer. The method further includes, when the first sensed data compares favorably to the threshold for the second sense data layer; storing the first n-bit value and storing the second n-bit value when it does not. The method includes similar processing for a second x-y position.Type: ApplicationFiled: October 27, 2022Publication date: March 9, 2023Applicant: SigmaSense, LLC.Inventors: Gerald Dale Morrison, Michael Shawn Gray, Grant Howard McGibney
-
Publication number: 20230076645Abstract: A drive-sense circuit coupled to a variable impedance load. The drive-sense circuit includes a voltage reference circuit operable to generate a voltage reference signal. The drive-sense circuit further includes a regulated current source circuit operable to generate a regulated current signal based on an analog regulation signal, where the regulated current signal is provided on a line to the variable impedance load to keep a load voltage on the line substantially matching the voltage reference signal, and where an impedance of the variable impedance load affects the regulated current signal. The drive-sense circuit further includes a current loop correction circuit operable to generate a comparison signal based on the voltage reference signal and the load voltage, where the comparison signal represents the impedance, and where the analog regulation signal is representative of the comparison signal.Type: ApplicationFiled: October 24, 2022Publication date: March 9, 2023Applicant: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, JR.
-
Publication number: 20230073397Abstract: A pacemaker system includes a drive-sense circuit (DSC) operably coupled to a pacemaker lead. The DSC generates a pace signal including electrical impulses based on a reference signal. The DSC provides the pace signal via the pacemaker lead to an electrically responsive portion of a cardiac conductive system of a subject to facilitate cardiac operation of a cardiovascular system of the subject. The DSC senses, via the pacemaker lead, cardiac electrical activity of the cardiovascular system of the subject that is generated in response to the pace signal and electrically coupled into the pacemaker lead and generates a digital signal that is representative of the cardiac electrical activity of the cardiovascular system of the subject that is sensed via the pacemaker lead. The DSC provides digital information to one or more processing modules that includes and/or is coupled to memory and that provide the reference signal to the DSC.Type: ApplicationFiled: November 16, 2022Publication date: March 9, 2023Applicant: SIGMASENSE, LLC.Inventors: John Christopher Price, Shayne X. Short, Timothy W. Markison
-
Patent number: 11599094Abstract: 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: GrantFiled: February 24, 2022Date of Patent: March 7, 2023Assignee: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr.
-
Publication number: 20230061106Abstract: A drive-sense circuit coupled to a variable impedance load. The drive-sense circuit includes a voltage reference circuit operable to generate a voltage reference signal. The drive-sense circuit further includes a regulated current source circuit operable to generate a regulated current signal based on an analog regulation signal, where the regulated current signal is provided on a line to the variable impedance load to keep a load voltage on the line substantially matching the voltage reference signal, and where an impedance of the variable impedance load affects the regulated current signal. The drive-sense circuit further includes a current loop correction circuit operable to generate a comparison signal based on the voltage reference signal and the load voltage, where the comparison signal represents the impedance, and where the analog regulation signal is representative of the comparison signal.Type: ApplicationFiled: October 24, 2022Publication date: March 2, 2023Applicant: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, JR.
-
Patent number: 11592874Abstract: 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 electrodes are integrated into the first touch area, a second plurality of column electrodes are integrated into the second touch area of the flexible display, and a plurality of row electrodes are integrated into and extend across the first touch area and the second touch area. Also included are a plurality of drive-sense circuits that drive sensor signals on the electrodes.Type: GrantFiled: August 4, 2021Date of Patent: February 28, 2023Assignee: SigmaSense, LLC.Inventors: Richard Stuart Seger, Jr., Michael Shawn Gray, Daniel Keith Van Ostrand, Patrick Troy Gray
-
Patent number: 11592915Abstract: 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: April 29, 2022Date of Patent: February 28, 2023Assignee: SIGMASENSE, LLC.Inventors: Patrick Troy Gray, Gerald Dale Morrison, Daniel Keith Van Ostrand, Richard Stuart Seger, Jr., Michael Shawn Gray, Kevin Joseph Derichs