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Patent Pack (PDFs)
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Respiratory rate measurement using a combination of respiration signals
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... Vital Connect Inc
Measuring psychological stress from cardiovascular and activity signals
A method and system for measuring psychological stress disclosed. In a first aspect, the method comprises determining R-R intervals from an electrocardiogram (ECG) to calculate a standard deviation of the R-R intervals (SDNN) and determining a stress feature (SF) using the SDNN. In response to reaching a threshold, the method... Vital Connect Inc
Measuring psychological stress from cardiovascular and activity signals
A method and system for measuring psychological stress disclosed. In a first aspect, the method comprises determining R-R intervals from an electrocardiogram (ECG) to calculate a standard deviation of the R-R intervals (SDNN) and determining a stress feature (SF) using the SDNN. In response to reaching a threshold, the method... Vital Connect Inc
Generating automated alarms for clinical monitoring
A method and system for providing health-monitoring alarm management have been disclosed. In a first aspect, the method comprises detecting at least one vital sign signal using a wearable sensor device and managing an alarm mechanism of the wearable sensor device based on the at least one vital sign signal.... Vital Connect Inc
R-r interval measurement using multi-rate ecg processing
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... Vital Connect Inc
Temperature sensor for measuring thermistor resistence
A method and system for determining thermistor resistance have been disclosed. The method comprises providing a temperature sensor network within a wireless sensor device, wherein the temperature sensor network includes a driver device and a receiver device, coupling the driver device to the receiver device using a dual bond wire... Vital Connect Inc
System and reliable and scalable health monitoring
A health-monitoring system and method are disclosed. The health-monitoring system and method comprise a sensory system and a sensory to front-end communication (SFCM) protocol coupled to the sensory system. The health-monitoring system and method include a front-end system coupled to the sensory system and a front-end to back-end communication (FBCM)... Vital Connect Inc
Measuring psychological stress from cardiovascular and activity signals
A method and system for measuring psychological stress disclosed. In a first aspect, the method comprises determining R-R intervals from an electrocardiogram (ECG) to calculate a standard deviation of the R-R intervals (SDNN) and determining a stress feature (SF) using the SDNN. In response to reaching a threshold, the method... Vital Connect Inc
Method and system for pairing a sensor device to a user
A method, system, and a computer-readable medium for pairing a wireless sensor device which is associated with a user to a wireless relay device are disclosed. The method, system, and computer-readable medium comprise providing an identification code that includes a network address within the wireless sensor device. The method, system,... Vital Connect Inc
Adaptive selection of digital ecg filter
A method and system for filtering a detected ECG signal are disclosed. In a first aspect, the method comprises filtering the detected ECG signal using a plurality of digital filters. The method includes adaptively selecting one of the plurality of digital filters to maintain a minimum signal-to-noise ratio (SNR). In... Vital Connect Inc
Calibration of a chest-mounted wireless sensor device for posture and activity detection
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... Vital Connect Inc
Adaptive selection of digital ecg filter
A method and system for filtering a detected ECG signal are disclosed. In a first aspect, the method comprises filtering the detected ECG signal using a plurality of digital filters. The method includes adaptively selecting one of the plurality of digital filters to maintain a minimum signal-to-noise ratio (SNR). In... Vital Connect Inc
Measuring psychological stress from cardiovascular and activity signals
A method and system for measuring psychological stress disclosed. In a first aspect, the method comprises determining R-R intervals from an electrocardiogram (ECG) to calculate a standard deviation of the R-R intervals (SDNN) and determining a stress feature (SF) using the SDNN. In response to reaching a threshold, the method... Vital Connect Inc
Determining a time period a person is in bed
A method and wireless sensor device for determining a time period a person is in bed. In one aspect, a method includes utilizing a wireless sensor device to obtain a plurality of acceleration samples in relation to at least one axis associated with a person's body over a predetermined time... Vital Connect Inc