US 8,475,367 · Granted 2013-07-02
The Fitbit Patent That Connected Your Scale to Your Wrist
Fitbit invented a smart scale that doesn't just tell you your weight—it talks to your fitness tracker and stores all your health data in the cloud. It's the bridge between the bathroom scale and the rest of your fitness ecosystem, syncing everything automatically so you get the full picture of your health.
The plain-English version
What it protects
The claim covers a scale with a built-in weight sensor, a display, and wireless or wired communication that can receive user identification data from an external fitness tracker (like a wristband) and automatically send weight measurements to a cloud storage system linked to that user's account. What's protected here is the specific combination of a standalone scale device that identifies which user is stepping on it and seamlessly uploads their data to an external storage system.
Why it matters
This patent captures a key piece of Fitbit's strategy: turning the bathroom scale from an isolated device into a connected hub in a broader health-tracking ecosystem. By securing the method for linking weight data to a portable activity tracker and cloud storage, Fitbit protected a core part of their value proposition—giving users one unified view of their health across devices. It's a foundational patent for the connected health market.
Real-world use
When you step on a Fitbit-connected scale in your bathroom, it automatically identifies you, measures your weight, and syncs that number to your phone and fitness app without you lifting a finger.
Original USPTO abstract
A biometric monitoring device comprising a platform to support the body weight of the user; a body weight sensor to generate data which is representative of the user's weight, processing circuitry to calculate the user's weight, a user interface (e.g., a visual display, coupled to the processing circuitry, to display the weight of the user); and communication circuitry (implementing, e.g., wired, wireless and/or optical techniques) to: (1) receive user identification data (is any data that identifies a particular user, a particular device and/or from which a particular user or device may be determined) from an external portable activity monitoring device, (2) receive activity data from the external portable activity monitoring device, and (3) transmit the activity data to a data storage which is (i) external to the biometric monitoring device and (ii) associated with the user identification data.
Patent details
- Publication number
- US 8,475,367
- Filing date
- 2012-01-09
- Grant date
- 2013-07-02
- Assignee
- Fitbit, Inc.
- Inventor(s)
- YUEN SHELTEN GEE JAO, PARK JAMES, FRIEDMAN ERIC NATHAN
- CPC class
- A61B5/1118
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