Wearable Crown Input for Precise Virtual Object Surface Selection
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Solution Overview
Problem
Existing methods for manipulating user interface objects on reduced-size touch-sensitive displays are inefficient and lack precision, making it difficult for users to conveniently select options in graphical user interfaces.
Innovation Solution
A system and process using a physical crown as an input device to rotate virtual objects, allowing users to select surfaces by determining the rotational speed and direction, enabling efficient and precise selection of user interface objects on wearable electronic devices with touch-sensitive displays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If existing touch-sensitive display manipulation methods are used, then device simplicity is maintained, but manipulation precision and efficiency deteriorate
Solution Approach 1:
A physical crown component is introduced as an intermediary between the user and the user interface objects. The crown provides tactile feedback and precise rotational control, serving as a mediator that enhances manipulation precision without requiring changes to the core touch-sensitive display system. Users rotate the crown to manipulate objects, and the system translates rotational movements into precise interface actions.
Solution Approach 2:
The user interface manipulation system is segmented into two distinct components: the touch-sensitive display for basic interaction and the physical crown for precision control. This segmentation allows each component to specialize in its strength - the display provides visual feedback while the crown provides tactile precision - thereby improving overall manipulation precision without requiring the entire device to become more complex.
2Productivity
If existing touch-sensitive display manipulation methods are used, then device simplicity is maintained, but manipulation efficiency deteriorates
Solution Approach 1:
The physical crown acts as an intermediary that accelerates manipulation efficiency by providing tactile feedback and intuitive rotational control. Users can quickly navigate and select interface objects through natural rotating motions, significantly improving productivity compared to traditional touch gestures on small displays.
Solution Approach 2:
The crown is designed with dynamic characteristics including variable resistance and tactile feedback that adapt to user manipulation. The rotational mechanism provides natural mechanical feedback that helps users understand their input in real-time, enabling faster and more efficient interface manipulation without requiring complex software processing.
3Measurement precision
If crown rotation speed threshold detection is implemented, then object surface selection precision is improved, but system complexity increases
Solution Approach 1:
The system monitors rotational speed as a parameter and uses threshold-based detection to determine user intent. When the crown rotation exceeds a speed threshold, the system interprets this as a command to select a different surface of a 3D object. This parameter-based control provides precise surface selection while maintaining relatively simple system architecture.
Solution Approach 2:
The system provides visual feedback by displaying different surfaces of 3D objects as the crown is rotated. When the rotation speed exceeds the threshold, the feedback mechanism helps confirm the surface selection to the user. This feedback loop enhances precision by allowing users to visually verify their selection intent while the system processes the speed-threshold condition.
Data Source
AI summary
Systems and processes for manipulating a graphical user interface are disclosed. One process can include receiving user input through a crown to rotate a virtual object. The process includes selecting a surface of the object from among the multiple surfaces of the object in response to determining that the crown rotation exceeded a speed threshold.