WIRELESS, ULTRASONIC PERSONAL HEALTH MONITORING SYSTEM
First Claim
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1. A personal monitoring device comprising:
- a sensor assembly configured to sense physiological signals and to produce electrical signals representing the sensed physiological signals;
a converter assembly including an audio transmitter, the converter assembly electrically connected to the sensor assembly and configured to receive the electrical signals generated by the sensor and output those 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 signals as an inaudible, ultrasonic, frequency modulated (FM) sound signal.
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Abstract
A personal monitoring device has a sensor assembly configured to sense physiological signals upon contact with a user'"'"'s skin. The sensor assembly produces electrical signals representing the sensed physiological signals. A converter assembly, integrated with, and electrically connected to the sensor assembly, converts the electrical signals generated by the sensor assembly to a frequency modulated inaudible ultrasonic sound signal. The ultrasonic signal is demodulated from an aliased signal produced by undersampling.
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Citations
21 Claims
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1. A personal monitoring device comprising:
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a sensor assembly configured to sense physiological signals and to produce electrical signals representing the sensed physiological signals; a converter assembly including an audio transmitter, the converter assembly electrically connected to the sensor assembly and configured to receive the electrical signals generated by the sensor and output those 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 signals as an inaudible, ultrasonic, frequency modulated (FM) sound signal. - View Dependent Claims (2, 3, 4, 5)
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6. An ECG device comprising:
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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; and a converter assembly including an audio transmitter, the converter assembly integrated with, and electrically connected to the sensor assembly and configured to receive the ECG electrical signals generated by the sensor 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. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14)
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15. A smartphone protective case, usable as an ECG device, comprising:
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an electrode assembly on the smartphone protective case configured to sense heart-related signals upon contact with a user'"'"'s skin, and to convert the sensed heart-related signals to an ECG electric signal; and a converter assembly electrically connected to the electrode assembly, the converter assembly configured to convert the electric ECG signal generated by the electrode assembly to an ultrasonic FM sound signal having a carrier frequency in the range of from about 18 kHz to about 24 kHz, and further configured to output the ultrasonic FM sound signal through an audio transmitter at a signal strength capable of being received by a smartphone positioned within the smartphone protective case.
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16. A system for generating and transferring medical data, the system comprising:
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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; a converter assembly including an audio transmitter, the converter assembly electrically connected to the electrode assembly and configured to convert the ECG electrical signals to an ultrasonic FM sound signal and output the ultrasonic FM sound signal through the audio transmitter to a microphone in a computing device, wherein an analog to digital converter (ADC) of the computing device is configured to sample the signal from the microphone and convert it to a digital audio signal; and demodulation software stored on a non-transitory computer readable medium and executable by the computing device to cause the computing device to under-sample the digital audio signal, aliasing it to a lower frequency band and to demodulate the aliased digital audio signal at the lower frequency band to produce an ECG output. - View Dependent Claims (17, 18, 19, 20, 21)
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Specification