Upper Seat Tracking With 2D Markers for Precise User Position
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Solution Overview
Problem
Conventional seating arrangements fail to effectively track user position, limiting precise control over systems such as audio playback, noise cancellation, and navigation.
Innovation Solution
Incorporating a set of two-dimensional (2D) contrast indicators on an upper seat section detectable by a sensor system to determine the position of the seat, which is then processed to calculate a three-dimensional location for controlling various functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional seating arrangements are used, then the seat structure remains simple, but user position tracking capability is lost
Solution Approach 1:
The patent introduces 2D contrast indicators as intermediary elements that mediate between the seat structure and the sensor system. These indicators serve as detectable markers that enable the sensor system to track seat position without requiring complex integration of sensors throughout the entire seat structure, thus achieving position tracking while maintaining relative structural simplicity.
Solution Approach 2:
The patent uses 2D contrast indicators that create a detectable optical copy or representation of the seat's position and orientation. The sensor system detects these visual indicators to infer three-dimensional seat location, effectively using a two-dimensional visual signature to represent three-dimensional spatial information.
2Measurement precision
If 2D contrast indicators are added to the upper seat section, then user position tracking is enabled, but manufacturing complexity increases
Solution Approach 1:
The patent segments the position tracking function into separate detectable components (2D contrast indicators) that can be independently applied to different portions of the upper seat section. This allows the indicators to be manufactured separately and then integrated into the seat assembly, potentially simplifying the overall manufacturing process compared to creating a fully integrated tracking system.
Solution Approach 2:
The patent employs 2D contrast indicators that utilize visual contrast (potentially involving color or reflectivity differences) to enable detection by the sensor system. These indicators can be applied as surface treatments, printed patterns, or attached elements that provide detectable contrast without requiring complex mechanical or electronic components, thereby maintaining ease of manufacture.
3Extent of automation
If the sensor system detects 2D contrast indicators to determine seat position, then control precision over audio and safety systems is improved, but system complexity increases
Solution Approach 1:
The patent replaces complex mechanical position sensing systems with an optical detection system. Instead of using mechanical encoders, potentiometers, or complex linkages to detect seat position, the system uses optical sensors to detect 2D contrast indicators, thereby achieving precise position control through non-mechanical means.
Solution Approach 2:
The patent uses two-dimensional contrast indicators to encode three-dimensional position information. By detecting the position, orientation, and potentially deformation of 2D markers on the upper seat section, the system can infer three-dimensional seat location and orientation without requiring three-dimensional sensors, thus achieving dimensionality reduction in the sensing approach.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enhances control of automobile functions, improves safety, and provides an improved interface by accurately tracking user position and movement.
Implementation Method 1
a set of two-dimensional (2D) contrast indicators on the upper seat body that are detectable by a sensor system to indicate a position of the body
Data Source
AI summary
Various implementations include seats and related systems for detecting user proximity and controlling one or more functions based on that proximity detection. In particular cases, the seats include an upper seat section with at least one two-dimensional (2D) contrast indicator that is detectable by a sensor system to indicate a position of the upper seat section.