17952174. BIOMECHANICAL TRIGGERS FOR IMPROVED RESPONSIVENESS IN GRADE ESTIMATION simplified abstract (Apple Inc.)

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BIOMECHANICAL TRIGGERS FOR IMPROVED RESPONSIVENESS IN GRADE ESTIMATION

Organization Name

Apple Inc.

Inventor(s)

Asif Khalak of Belmont CA (US)

Adeeti V. Ullal of Emerald Hills CA (US)

Gabriel A. Blanco of San Francisco CA (US)

BIOMECHANICAL TRIGGERS FOR IMPROVED RESPONSIVENESS IN GRADE ESTIMATION - A simplified explanation of the abstract

This abstract first appeared for US patent application 17952174 titled 'BIOMECHANICAL TRIGGERS FOR IMPROVED RESPONSIVENESS IN GRADE ESTIMATION

Simplified Explanation

The abstract describes a biomechanical trigger for improved responsiveness in grade estimation. The method involves obtaining cadence data, speed data, and elevation data from a wearable device worn by a user. The grade of the surface on which the user is traveling is determined based on the ratio of the change in elevation and the change in speed data. The method also includes determining if the grade satisfies certain conditions, such as horizontal speed compensation or rapid elevation increase or decrease at a grade onset, to confirm the validity of the grade estimate.

  • Obtaining cadence data, speed data, and elevation data from a wearable device worn by a user
  • Determining the grade of the surface based on the ratio of change in elevation and change in speed data
  • Checking if the grade satisfies conditions indicating horizontal speed compensation or rapid elevation change at a grade onset
  • Confirming the validity of the grade estimate based on the satisfaction of either the first or second condition

Potential applications of this technology:

  • Fitness tracking and monitoring for activities such as running, cycling, or hiking
  • Navigation systems that provide accurate grade estimation for route planning
  • Training tools for athletes to monitor and optimize their performance on different terrains

Problems solved by this technology:

  • Improved responsiveness in grade estimation, providing more accurate information about the surface on which the user is traveling
  • Overcoming limitations of traditional methods that rely solely on elevation data or speed data for grade estimation

Benefits of this technology:

  • Enhanced user experience with more accurate and reliable grade estimation
  • Improved safety by providing real-time information about the terrain and potential challenges
  • Optimization of training and performance by analyzing grade data and making adjustments accordingly


Original Abstract Submitted

Embodiments are disclosed for a biomechanical trigger for improved responsiveness in grade estimation. In some embodiments, a method comprises: A method comprises: obtaining, from a wearable device worn by a user, cadence data, speed data and elevation data; determining a grade of a surface on which the user is traveling based on a ratio of a change in elevation based on the elevation data and a change in speed data; determining that the grade satisfies a first condition indicative of a horizontal speed compensation by the user at a grade onset; determining that the grade satisfies a second condition indicative of a rapid elevation increase or decrease at a grade onset; and confirming that the grade is a valid estimate based on either the first condition or the second condition being satisfied.

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