Rotatable Wheel Circular Interface for Smartwatch Data Input
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Solution Overview
Problem
Smart watches face challenges in data input due to their limited screen size, making it difficult for users to input numbers or characters effectively.
Innovation Solution
An electronic device with a rotatable wheel that allows data input and user interface changes through rotation, enabling the reception and rearrangement of data displayed on the screen.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the screen size of a smart watch is limited, then the device can be worn comfortably and fit the wrist, but the user experiences difficulty in inputting data such as numbers or characters
Solution Approach 1:
The patent introduces a circular user interface that utilizes rotational movement around the screen perimeter, transforming the input method from linear (typing) to rotational (wheel rotation). This dimensional change allows efficient data input without requiring a large screen area, as the circular interface fits within the limited wrist space while providing ample input options.
Solution Approach 2:
The patent employs a circular user interface with data elements arranged along the perimeter of the screen in a curved layout. This spherical/circular arrangement allows users to rotate a wheel to cycle through multiple data options (numbers, characters, icons) displayed around the circumference, enabling efficient input on small screens by utilizing the rotational symmetry of the circular design.
2Ease of operation
If a wheel is added to enable rotation-based data input, then user convenience for data input is improved, but the device complexity increases
Solution Approach 1:
The rotatable wheel serves multiple functions: it acts as both a navigation control for cycling through data elements and a selection mechanism for confirming input. The same circular interface displays both the data elements to be selected and the wheel's rotation indicators, consolidating multiple interaction functions into a single component to minimize added complexity.
Solution Approach 2:
The patent merges the wheel rotation detection mechanism with the existing touchscreen display system. The wheel's rotational movement is detected through touch input processing, combining the mechanical rotation function with the electronic display function into a unified system, thereby reducing the need for separate complex input hardware.
Data Source
AI summary
Various examples of the present invention relate to an apparatus and a method for displaying data in an electronic device. A method for performing operations in an electronic device, comprises the steps of: displaying a circular user interface on a screen, wherein the circular user interface includes a circular arrangement of numbers, characters, special characters and/or icons in selected orders; detecting the first rotation of a wheel by using a sensor; determining whether the wheel is stopped during the pre-selected time period after the first rotation; selecting one from the numbers, the characters, the special characters, and/or the icons; and rotating or rearranging the circular arrangement on the screen in response to the determination that the wheel is stopped during the selected time period such that the pre-designated or proposed one among the numbers, the characters, the special characters and/or the icons is located at the selected location.