Abstract: A method and system for determining a respiratory rate of a user are disclosed. The method comprises measuring a differential voltage across first and second electrodes of a sensor device coupled to the user. The method includes sampling the differential voltage using an analog-to-digital converter to produce an output signal. The method includes processing the output signal to detect a breath of the user based on a positive voltage transition through a midpoint, wherein the breath of the user is utilized to determine the respiratory rate of the user.

Abstract: A method and system for determining a body impedance (Zbody) of a user are disclosed. The method comprises coupling a sensor device to the user, wherein the sensor device includes at least a first and a second electrode. The method includes applying a voltage signal (Vin) through a first impedance (Zin1) to the first electrode and through a second impedance (Zin2) to the second electrode to produce an output signal. The method includes measuring a differential voltage (Vbody) across the first and second electrodes and calculating the body impedance (Zbody) using the measured differential voltage (Vbody), the voltage signal (Vin), the first impedance (Zin1), and the second impedance (Zin2).

Abstract: A Noninvasive Blood Pressure (NIBP) device, method, and system may employ one or more sensors configured to sense physiological changes associated with cardiovascular function and provide signals corresponding to the sensed physiological changes; one or more signal detectors to detect an ECG signal, a PPG signal, and a PCG signal from the signals provided by the one or more sensors; a computational system configured to derive signal features related to the detected signal waveforms; process the signal features to determine measurements of noninvasive blood pressure using one or more independent prediction models; and output a result of the determination.

Abstract: A system and method for providing a flexible electrocardiogram (ECG) pad structure have been disclosed. In a first aspect, the system is the flexible ECG pad structure and comprises a copper layer and a paste trace layer coupled to the copper layer via a cover. In a second aspect, the method comprises providing a copper layer and coupling a paste trace layer to the copper layer via a cover.

Abstract: A first device gathers data samples, transmits a timing table for the device, and also transmits the gathered data sample, using at least one short range wireless connectivity standard protocol. A second device receives the timing table and the data sample from the first device, and determines a real-time clock time stamp for the data sample based on the device timing table.

Abstract: A system and method for detecting and monitoring core body temperature are disclosed. The system includes a patch device and an electronic module coupled to the patch device. The method includes providing a patch device, coupling an electronic module to the patch device to provide a wearable device, and monitoring core body temperature of a user using the wearable device.

Abstract: One or more systems for text message communication including at least: a processing unit, a communication unit for transmitting and receiving data, and a storing unit, the storing unit having a first database of text messages stored thereon, the processing unit being adapted to synchronize the first database with a second database stored on a communication device so that the text message contained in a given one of the first and second databases can be copied in the other one the first and second databases in order to transmit the text message from the given one of the first and second databases to the other one the first and second databases. An electronic device for text message communication and a method for text message communication are also provided.

Abstract: A system and method for health monitoring are disclosed. The system includes a patch device and an electronic module coupled to the patch device. The method includes providing a patch device, coupling an electronic module to the patch device to provide a wearable device, and monitoring health of a user using the wearable device.

Abstract: A method and system for calibrating a wireless sensor device are disclosed. In a first aspect, the method comprises determining a vertical calibration vector and determining a rotation matrix using the vertical calibration vector to line up native axes of the wireless sensor device with body axes. In a second aspect, a wireless sensor device comprises a processor and a memory device coupled to the processor, wherein the memory device includes an application that, when executed by the processor, causes the processor to determine a vertical calibration vector and to determine a rotation matrix using the vertical calibration vector to line up native axes of the wireless sensor device with body axes.

Abstract: A method and system for determining psychological acute stress are disclosed. In a first aspect, the method comprises detecting a physiological signal using a wireless sensor device, determining a stress feature using a normalized heart rate and a plurality of heart rate variability (HRV) features, wherein the normalized heart rate and the plurality of heart rate variability features are calculated using the detected physiological signal, and determining a stress level using the stress feature to determine the psychological acute stress. In a second aspect, the system comprises a wireless sensor device that includes a processor and a memory device coupled to the processor, wherein the memory device stores an application which, when executed by the processor, causes the wireless sensor device to carry out the steps of the method.

Abstract: Disclosed are exemplary embodiments of antennas that may be configured to be low profile, omnidirectional, ceiling mountable, and/or multiple-input multiple-output (MIMO). In an exemplary embodiment, an antenna generally includes first and second radiators and a ground plane. First and second edge portions of the ground plane may configured to be operable for reducing null at azimuth plane to thereby allow the antenna to have more omnidirectional radiation patterns for the azimuth plane. The antenna may be configured to have an asymmetrical perpendicular dipole configuration. A neutral line may be spaced apart from and proximity coupled to the ground plane. The ground plane may comprise first and second ground plane extension arms and/or a slant cutout defined between spaced-apart first and second lower portions of the ground plane. The ground plane may include a bridge portion extending between the spaced-apart first and second lower portions of the ground plane.

Abstract: A method and system for R-R interval measurement of a user are disclosed. In a first aspect, the method comprises detecting an electrocardiogram (ECG) signal of the user. The method includes performing QRS peak detection on the ECG signal to obtain a low resolution peak and searching near the low resolution peak for a high resolution peak. The method includes calculating the R-R interval measurement based upon the high resolution peak. In a second aspect, a wireless sensor device comprises a processor and a memory device coupled to the processor, wherein the memory device includes an application that, when executed by the processor, causes the processor to carry out the steps of the method.

Abstract: A system includes a first electrical connector and a first multiplexer. The first electrical connector has multiple electrical contacts including at least a first data contact, a second data contact, a first power contact and a second power contact. The first multiplexer has a first data input, a second data input and a selector. The first data input is coupled to the first data contact. The second data input is coupled to the second data contact. The selector is coupled to the first power contact or the second power contact. The first multiplexer is configured to; direct the first data input to a first bus and direct the second data input to a second bus, or direct the first data input to the second bus and direct the second data input to the first bus, depending whether a voltage is present at the selector.

Abstract: A method and system for measuring respiratory rate are disclosed. In a first aspect, the method comprises measuring at least one respiration signal and filtering the respiration signal using a lowpass filter. The method includes peak-picking the respiration signal to determine the respiratory rate and determining a quality metric of the respiratory rate. In a second aspect, the system comprises a wireless sensor device coupled to a user via at least one electrode, wherein the wireless sensor device includes a processor and a memory device coupled to the processor, wherein the memory device stores an application which, when executed by the processor, causes the processor to carry out the steps of the method.

Abstract: In embodiments of the present invention improved capabilities are described for producing background separated product images for print and on-line display. An image formation system provides lighting of a product to facilitate acquiring images that can be automatically processed to generate high resolution item-only images free of quality defects and imaging artifacts. Image processing programs accurately detect an outline of an item in a set of digital images taken using the image formation system and automatically store processed images in an image library. The images in the library may be repurposed for print, sales display, transmission to a user, on-line customer support, and the like. A user display configured with an adaptable user interface facilitates user interaction with images in the library.