Digital Potentiometer Hinge Rotation Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current rotation detection mechanisms in convertible computers are complex, bulky, and costly, impacting industrial design and user experience, relying on sensors and magnets to detect the angle of rotation between the display and keyboard housings.
Innovation Solution
Integration of a digital potentiometer within the hinge of a convertible computer to detect the angle of rotation, converting the angle value to digital signals and sending it to a rotation detection module, allowing for accurate configuration determination without significant design implications or increased cost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If sensors and magnets are used to detect rotation angle, then rotation detection function is achieved, but device complexity and bulkiness increase
Solution Approach 1:
The patent combines the rotation detection function with the existing hinge structure by integrating a digital potentiometer directly into the hinge mechanism. This merging eliminates the need for separate sensors and magnets, reducing device complexity while maintaining rotation detection capability. The digital potentiometer uses the hinge's mechanical movement to vary resistance, which is then converted to digital angle data.
Solution Approach 2:
The patent replaces the traditional mechanical sensor-magnet system with an electrical resistance-based detection method. Instead of using magnetic fields and physical sensors, the invention uses a digital potentiometer that converts mechanical hinge movement into electrical resistance changes, which are then digitally processed to determine rotation angle. This substitution reduces mechanical complexity and component count.
2Measurement precision
If complex rotation detection mechanism is used, then accurate angle detection is achieved, but manufacturing cost increases
Solution Approach 1:
The patent employs a digital potentiometer, which is a cost-effective component compared to traditional magnetic sensor assemblies. The digital potentiometer is integrated into the hinge structure, eliminating the need for expensive separate sensors and magnets. This approach reduces manufacturing cost while maintaining adequate rotation detection precision for determining device configuration states.
3Measurement precision
If traditional rotation detection mechanism is used, then rotation detection is achieved, but industrial design implications are significant
Solution Approach 1:
By integrating the digital potentiometer directly into the hinge structure, the patent eliminates the need for separate detection components that would interfere with industrial design. The merged design allows for cleaner aesthetics and more flexible form factor choices, as the detection function is embedded within the existing mechanical structure rather than adding external components.
Data Source
AI summary
Particular embodiments described herein provide for a device that can include a hinge to couple a first housing to a second housing. The hinge can include logic to detect a rotation of the first housing around an axis of the hinge relative to the second housing. The logic may be included in a digital potentiometer integrated within the hinge.