Rotatable Bezel User Input for Smartwatch Constraints
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Solution Overview
Problem
The small form factor of smart watches and other wearable devices makes it cumbersome for users to input information, as incorporating a traditional keyboard is not feasible.
Innovation Solution
An electronic device with a display unit and a rotatable part that changes displayed values in response to rotation, allowing users to input data by rotating the part clockwise or counterclockwise, with the computer processor accepting the values as user input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional keyboard is incorporated into smart watches, then user input capability is improved, but device size and complexity increase making it infeasible for small form factors
Solution Approach 1:
The patent extracts the essential function of a keyboard (input capability) from its traditional physical form and implements it through a rotatable bezel interface. This allows the device to maintain small form factor while providing comprehensive input functionality through rotational gestures and directional control.
Solution Approach 2:
The patent transitions from two-dimensional keyboard typing to three-dimensional rotational input. The rotatable bezel adds a dimensional aspect to user input, allowing users to navigate menus and input data through rotation gestures rather than linear key pressing, thereby achieving full input capability within limited space.
2Ease of operation
If a traditional keyboard is incorporated into smart watches, then user input capability is improved, but device complexity increases
Solution Approach 1:
The rotatable bezel serves multiple functions: navigating menus, selecting options, scrolling through lists, and inputting data. This single multi-functional component replaces what would traditionally require multiple separate keys and controls, thereby reducing overall device complexity while maintaining comprehensive input capability.
Solution Approach 2:
The patent merges navigation, selection, scrolling, and input functions into a single rotatable bezel interface. By combining these previously separate functions into one unified control mechanism, the device achieves full user input capability without increasing complexity.
Data Source
AI summary
An electronic device according to an embodiment comprises a display unit configured to display a current value among a predetermined plurality of ordered values and a rotatable part configured to be rotatable clockwise and counterclockwise. The electronic device also comprises a computer processor configured to: change the current value being displayed to a next value among the plurality of ordered values in response to detecting the rotable part being rotated a first predetermined number of degrees clockwise, change the current value being displayed to a previous value among the plurality of ordered values in response to detecting the rotatable part being rotated counterclockwise by the first predetermined number of degrees, and accept the current value being displayed as a user input value in response to detecting a change in rotation direction of the rotatable part.