Abstract: A touch sensor device (TSD) includes TSD electrodes associated with a surface of the TSD. Also, an overlay that includes marker electrode(s) is also associated with at least a portion of the surface of the TSD. The TSD also includes drive-sense circuits (DSCs) operably coupled to the plurality of TSD electrodes. A DSC is configured to provide a TSD electrode signal to a TSD electrode and simultaneously to sense a change of the TSD electrode signal based on a change of impedance of the TSD electrode caused by capacitive coupling between the TSD electrode and the marker electrode(s) of the overlay. Processing module(s) is configured to process a digital signal generated by the DSC to determine characteristic(s) of the overlay that is associated with the at least a portion of the surface of the TSD.

Abstract: 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.

Abstract: A touch controller includes a processing module operably coupled to a plurality of sensing circuits, the processing module is operable to receive a sense signal regarding an electrical characteristic of a sensor of a plurality of sensors. The processing module is further operable to determine the sense signal indicates the electrical characteristic is affected by an identifying signal emitted by a finger. The processing module is further operable to determine a coordinate location of the sensor. The processing module is further operable to generate a proximal touch signal that includes the coordinate location of the sensor.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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).

Abstract: 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.

Abstract: A touch sensor device (TSD) includes a panel and drive-sense circuits (DSCs). The panel includes electrodes, and the DSCs are operably coupled to the electrodes. A DSC is operably coupled via a single line to an electrode and is configured to provide a signal via the single line to the electrode and simultaneously to sense the signal via the single line. The sensing of the signal includes detection of an electrical characteristic of the electrode and/or a change of the signal. The DSC is also configured to generate a digital signal representative of the electrical characteristic of the electrode and/or the change of the signal. The TSD also includes one or more processing modules operably coupled to the DSCs and configured to execute operational instructions to process first digital signals generated by a first subset of the DSCs that includes fewer than all of the DSCs in a prioritized manner.

Abstract: 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.

Abstract: A method for execution by a Dynamic Random Access (DRAM) cell processing circuit, includes charging a bit-line operably coupled to a plurality of DRAM cells of a DRAM memory device, including a current DRAM cell, at a first voltage to pre-charge the parasitic capacitance between ground and the bit-line to a second voltage, where the second voltage is between a logic 1 voltage and a logic 0 voltage. The method continues by sensing a voltage change on the bit-line based on a difference between a voltage stored on a DRAM cell capacitor of the current DRAM cell and the second voltage and outputting a read output voltage that is generated based on the sensed voltage change. The method then continues by supplying, while outputting the read output voltage, the read output voltage to the bit-line to refresh the voltage stored in the DRAM cell capacitor of the current DRAM cell.

Abstract: 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.

Abstract: 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.

Abstract: A touch sensor device (TSD) includes TSD electrodes associated with a surface of the TSD. Also, an overlay that includes marker electrode(s) is also associated with a region of the surface of the TSD. The TSD also includes drive-sense circuits (DSCs) operably coupled to the plurality of TSD electrodes. A DSC is configured to provide a TSD electrode signal to a TSD electrode and simultaneously to sense a change of the TSD electrode signal based on a change of impedance of the TSD electrode caused by capacitive coupling between the TSD electrode and the marker electrode(s) of the overlay. Processing module(s) is configured to process a digital signal generated by the DSC and other digital signals generated by other DSCs determine the region of the surface of the TSD that is associated with the overlay and to adapt sensitivity of the TSD within that region.

Abstract: 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.