# How to Calibrate Health Measurements Using Related Body Data > This patent describes a way to make health measurements more accurate by adjusting them based on other related body data, needing less testing and computer power. - **Patent:** US 12733847 - **Original title:** Physiological measurement calibration - **Granted:** 2026 - **Status:** Active - **Times cited:** 0 - **Field:** consumer_electronics, biotech, telecommunications, software, medical_devices ## What it does This patent provides a system and method for improving the accuracy of physiological measurements. It achieves this by calibrating a primary measurement based on a 'variable that affects the measurement,' which can be another related physiological measurement. The technique aims to produce reliable adjustments using minimal initial test data and requiring less computational effort. ## What it does NOT cover - Does not cover calibration systems that do not use a related physiological variable to adjust the primary measurement. - Does not cover calibration techniques that require large amounts of test data or significant computing power. - Does not cover calibration of non-biological or non-health-related measurements. - Does not cover methods for initial measurement acquisition, only the calibration step. ## The clever bit The clever part is using a related physiological measurement as a variable to adjust and improve the accuracy of a primary physiological measurement. This approach aims to achieve reliable calibration with significantly less initial test data and computing resources than traditional methods. ## Real-world examples 1. Smartwatches measuring heart rate 2. Continuous glucose monitors 3. Blood pressure cuffs 4. Fitness trackers 5. Medical diagnostic devices ## Why it matters Accurate physiological measurements are vital for health monitoring, medical diagnostics, and fitness tracking. This patent matters because it aims to make these measurements more reliable and easier to achieve. By needing less test data and computational power, it could enable more efficient and cost-effective sensors in various devices. ## Frequently asked questions ### What does How to Calibrate Health Measurements Using Related Body Data cover? This patent describes a way to make health measurements more accurate by adjusting them based on other related body data, needing less testing and computer power. ### When does this patent expire? This patent is expected to expire on September 15, 2046, when the invention enters the public domain. ### What problem does this patent solve? Accurate physiological measurements are vital for health monitoring, medical diagnostics, and fitness tracking. This patent matters because it aims to make these measurements more reliable and easier to achieve. By needing less test data and computational power, it could enable more efficient and cost-effective sensors in various devices. ### What does this patent NOT cover? Does not cover calibration systems that do not use a related physiological variable to adjust the primary measurement. **Full plain-English explainer:** https://patentbrief.org/patent/us/12733847/physiological-measurement-calibration **Original patent:** https://patents.google.com/patent/US12733847 --- _Source: PatentBrief — https://patentbrief.org. Patent facts are from public records; the plain-English explanation is PatentBrief's._ ## Related patents Semantically similar inventions in the PatentBrief corpus: - [How a Sensor Checks Itself for Accuracy Using Other Body Data](https://patentbrief.org/patent/us/20230263439/systems-and-methods-for-multi-analyte-sensing) — This patent describes a smart system that uses additional body measurements or relationships between different body chemicals to figure out if an analyte sensor, like a glucose monitor, is giving wrong readings and then fixes it or tells you to replace it. - [How Continuous Glucose Monitors Estimate Blood Sugar Levels Accurately](https://patentbrief.org/patent/us/8882665/method-andor-system-for-multicompartment-analyte-monitoring-8882665) — This patent describes a method for accurately estimating blood glucose levels by accounting for the natural delay in glucose moving between interstitial fluid and blood, using sensor data and its rate of change. - [Smart Clothing That Compares Pulse Signals from Both Sides of Your Body](https://patentbrief.org/patent/us/20200281484/an-apparatus-for-monitoring-the-pulse-of-a-person-and-a-method-thereof) — This patent describes a piece of clothing, like a t-shirt, with built-in sensors in its sleeves or legs to measure and compare pulse characteristics from different limbs, helping to detect subtle health differences. - [Wearable Sensor for Tracking Body Movement and Muscle Activity](https://patentbrief.org/patent/us/10335080/biomechanical-activity-monitoring) — This patent describes a wearable device that combines motion sensing with muscle vibration detection to understand how a body moves and which muscles are being used. - [How Speakers Auto-Adjust Sound for Any Room](https://patentbrief.org/patent/us/12737152/playback-device-calibration-based-on-representative-spectral-characteristics) — This patent describes a system where a computing device measures a room's sound characteristics, finds a matching sound profile in a database, and then tells a speaker how to adjust its sound for that specific room and speaker type.