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US 9,414,786 B1Granted
ECG sensing with noise filtering
AssigneeVivaQuant LLC
InventorsMarina Brockway, Brian Brockway
Life of this patent
Estimating the term…
Abstract
Various embodiments are directed to signal processing. In accordance with example embodiments, methods and apparatuses involve using at least two electrodes that sense an ECG signal. A denoising module is communicatively coupled to the at least two electrodes, and receives the ECG signal sensed by the sensing electrodes. The denoising module includes circuitry that conditions and digitizes the ECG signal, and a computing circuit that processes the digitized ECG signal to denoise the ECG signal. A communications circuit generates a communication including the denoised ECG signal for access by a remote device.
Claims21
An apparatus comprising:
- at least two electrodes configured and arranged to sense an ECG signal;
- digitizing circuitry communicatively coupled to the at least two electrodes and configured and arranged to generate a digitized ECG signal from the ECG signal sensed via the electrodes;
- and
- a computing circuit coupled to the digitizing circuitry and configured and arranged to generate a denoised ECG signal from the digitized ECG signal, the denoised ECG signal having, relative to the digitized ECG signal,
- an improved signal-to-noise ratio of at least 15 dB as measured using the ANSI EC 57 standard, and
- a quality of signal reconstruction greater than 95%.
3 more elements
An apparatus comprising:
- at least two electrodes configured and arranged to sense an ECG signal;
- a wireless communication circuit configured and arranged to wirelessly communicate an ECG signal, corresponding to the sensed ECG signal, with a remote receiver;
- digitizing circuitry configured and arranged to generate a digitized ECG signal from the ECG signal sensed via the electrodes;
- and
- a computing circuit coupled to the digitizing circuitry and configured and arranged to generate a denoised ECG signal from the digitized ECG signal, the denoised ECG signal having, relative to the digitized ECG signal,
- an improved signal-to-noise ratio of at least 15 dB as measured using the ANSI EC 57 standard, and
- a quality of signal reconstruction greater than 95%.
4 more elements
An ECG device comprising:
- an electrode assembly configured to sense heart-related signals upon contact with a user's skin, and to convert the sensed heart-related signals to ECG electrical signals wherein the electrode assembly is positioned on an outer surface of a smartphone protective case;
- and
- a converter assembly including an audio transmitter for outputting frequency modulated ultrasonic signals, the converter assembly integrated with, and electrically connected to the electrode assembly and configured to receive the ECG electrical signals generated by the electrode assembly and output ECG sound signals through the audio transmitter to a microphone in a computing device within range of the audio transmitter, wherein the converter assembly is further configured to output the ECG signals as an ultrasonic FM sound signal, wherein the audio transmitter is configured to output the ultrasonic FM sound signal to a microphone in a computing device within range of the audio transmitter, wherein the output from the audio transmitter is detectable by a microphone in a smartphone when the smartphone is positioned within the smartphone protective case;
- digitizing circuitry configured and arranged to generate a digitized ECG signal based on the ECG electrical signals generated by the electrode assembly;
- and
- a computing circuit coupled to the digitizing circuitry and configured and arranged to generate a denoised ECG signal from the digitized ECG signal, the denoised ECG signal having, relative to the digitized ECG signal,
- an improved signal-to-noise ratio of at least 15 dB as measured using the ANSI EC 57 standard, and
- a quality of signal reconstruction greater than 95%.
5 more elements
An apparatus comprising:
- at least two electrodes configured and arranged to sense an ECG signal;
- a denoising module communicatively coupled to the at least two electrodes and configured and arranged to receive the ECG signal sensed by the electrodes, the denoising module including:
- circuitry configured and arranged to condition and digitize the ECG signal, and
- a computing circuit configured to process said digitized ECG signal to denoise the ECG signal, based upon a time-based distribution of subcomponents of the signal;
- and
- a communications circuit configured and arranged to generate a wireless communication including the denoised ECG signal for access by a device remote from the communications circuit.
3 more elements
Dependencies are inferred from the claim text.