20240041339. Systems and Method for PPG Using an Audio Sensor with a Wearable Device simplified abstract (Google LLC)

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Systems and Method for PPG Using an Audio Sensor with a Wearable Device

Organization Name

Google LLC

Inventor(s)

Sherk Chung of Mountain View CA (US)

Ian Atkinson of Mountain View CA (US)

Saket Patkar of Mountain View CA (US)

Systems and Method for PPG Using an Audio Sensor with a Wearable Device - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240041339 titled 'Systems and Method for PPG Using an Audio Sensor with a Wearable Device

Simplified Explanation

The patent application describes an apparatus that combines photoplethysmography (PPG) data and acoustic data to generate a heart rate estimate for a human subject. Here are the bullet points explaining the patent/innovation:

  • The apparatus includes a processing device and a memory storing instructions.
  • The processing device receives PPG data derived from signals associated with at least one PPG sensor.
  • The processing device also receives acoustic data derived from signals associated with at least one audio sensor.
  • The audio sensor is oriented to sense the heart rate of a human subject.
  • The processing device combines the PPG data and the acoustic data to generate a heart rate estimate.

Potential applications of this technology:

  • Health monitoring devices: The apparatus can be used in wearable devices or medical equipment to monitor the heart rate of individuals.
  • Fitness trackers: The technology can be integrated into fitness trackers to provide accurate heart rate measurements during exercise.
  • Remote patient monitoring: The apparatus can enable remote monitoring of patients' heart rates, allowing healthcare professionals to track their condition without the need for frequent in-person visits.

Problems solved by this technology:

  • Accurate heart rate estimation: By combining PPG data and acoustic data, the apparatus can provide a more accurate heart rate estimate compared to using only one type of sensor.
  • Non-invasive measurement: The use of PPG and acoustic sensors allows for non-invasive measurement of heart rate, avoiding the need for invasive procedures.

Benefits of this technology:

  • Improved health monitoring: The apparatus provides a more comprehensive and accurate heart rate estimation, enabling better monitoring of individuals' health conditions.
  • Convenience and comfort: The non-invasive nature of the technology makes it more convenient and comfortable for users, as they do not need to undergo invasive procedures for heart rate measurement.
  • Remote monitoring capabilities: The technology enables remote monitoring of heart rates, allowing for timely intervention and support for individuals, especially in remote or inaccessible areas.


Original Abstract Submitted

an apparatus includes a processing device coupled to a memory storing instructions. the instructions cause the processing device to receive photoplethysmography (ppg) data derived from signals associated with at least one ppg sensor; receive acoustic data derived from signals associated with at least one audio sensor oriented to sense a heart rate of a human subject; and combine the ppg data and the acoustic data to generate a heart rate estimate.

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