US 6,135,951 · Granted 2000-10-24
The 2000 Watch That Turned Your Walk Into Data
This patent describes a wearable fitness tracker that combines step counting and heart rate monitoring to measure how fit you are while you exercise. Instead of following a strict workout plan, it figures out your fitness level on the fly using your personal stats and real-time body data.
The plain-English version
What it protects
The claim covers a portable device that pairs a pedometer (step counter) with a heart rate monitor and uses personal information you provide to calculate your overall fitness level during walking or running. What's protected here is the specific combination of these sensors feeding into a calculation system that doesn't require a preset exercise routine — it adapts to whatever activity you're doing.
Why it matters
This patent arrived just as consumer interest in personal fitness tracking was accelerating in the late 1990s. By bundling step counting, heart rate data, and personalized fitness assessment into a single portable device, it laid groundwork for the wearable fitness tracker category that would explode over the next two decades. The patent's approach of combining multiple biometric inputs without forcing users into rigid workout programs was genuinely novel for its time.
Real-world use
When you put on a fitness watch today and see your heart rate, step count, and daily activity level all calculated together, you're experiencing the core idea this patent protected.
Original USPTO abstract
A personal fitness monitoring device and a method for assessing the fitness of an individual as the individual exercises includes using a pedometer to determine and output data representing the locomotion of the individual. A heart rate monitor determines and outputs data representing the heart rate of the individual. A determination arrangement calculates the fitness of the individual as the individual exercises using personal data provided by the individual in combination with the data outputs of the pedometer and the heart rate without requiring a predetermined exercise regime. In one embodiment, the pedometer calculates a distance traveled by the individual using personal data provided by the individual. The personal fitness monitoring device may further include a user interface for communicating with the user. The user interface uses a single user controlled selecting mechanism to select a desired one of various user selectable options. The single user controlled selecting mechanism is arranged such that the user selects the desired option by actuating the selecting mechanism during or immediately following the time during which the desired option is being presented by the user interface. The personal fitness monitoring device may also include a predicting arrangement for tracking and predicting the fitness of the individual.
Patent details
- Publication number
- US 6,135,951
- Filing date
- 1999-06-25
- Grant date
- 2000-10-24
- Assignee
- Living Systems, Inc.
- Inventor(s)
- RICHARDSON; J. JEFFREY, WADE; TED D.
- CPC class
- A63B69/00
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