Shenzhen Goodix Technology had 12 patents in internet of things during Q4 2023. The patent describes a method for non-invasive blood pressure measurement using a portable electronic device with a sensor head. Illumination is projected into a body part and changes in received light correspond to changes in blood volume. Measurements are taken at multiple altitudes relative to the heart and a linear fit is applied to obtain a slope-corrected mean blood pressure measurement. Pulse-to-mean measurements are also taken to simulate systolic and diastolic blood pressure. GlobalData’s report on Shenzhen Goodix Technology gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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Shenzhen Goodix Technology grant share with internet of things as a theme is 83% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Dual-altitude-based non-invasive blood pressure monitoring (Patent ID: US20230414115A1)
The patent filed by Shenzhen Goodix Technology Co Ltd describes a system and method for non-invasive blood pressure measurement using a portable electronic device with a sensor head. The system involves projecting illumination into a body part and detecting changing amounts of received portions of the illumination corresponding to blood volume changes in circulatory pathways. By obtaining measurements at multiple altitudes relative to the user's heart and applying a linear fit based on a slope-calibration factor, a slope-corrected mean blood pressure measurement (BPM) is obtained. Additionally, the system can simulate systolic and diastolic BPM using pulse-to-mean (PTM) measurements at different altitudes.
The system includes a sensor head with an illumination subsystem and an optical detection subsystem, controlled by a processor to compute BPM based on mean intensity measurements at different altitudes. A calibration routine is used to determine a slope-calibration factor, and a wearable housing maintains stable contact force between the sensor head and the body part during measurements. The method involves directing illumination, generating detection output signals, computing mean intensities, and simulating systolic and diastolic BPM based on PTM ratios and altitude changes. Altitude sensors, calibration routines, and contact force control mechanisms are integral parts of the system and method for accurate and non-invasive blood pressure measurement.
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