Stylus Hover Controls and Pose Feedback for Lower-Power Input
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Solution Overview
Problem
Existing electronic devices face inefficiencies in user interaction methods, particularly with input devices like styluses, leading to increased cognitive burden and unnecessary processor and battery usage due to redundant inputs.
Innovation Solution
Implementing systems that provide additional controls and feedback when a stylus hovers over a user interface, perform contextual actions based on input, and convert handwritten input into font-based text, enhancing interaction efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the electronic device continuously monitors and processes all input device interactions, then the responsiveness and accuracy of input processing is improved, but the processor power consumption and battery drain increase
Solution Approach 1:
The system performs preliminary actions by detecting stylus hover events and pre-rendering contextual controls before the user actually interacts with the interface. This allows the system to prepare responses in advance, reducing the need for continuous high-power processing during actual user interaction.
Solution Approach 2:
The system transitions from continuous monitoring to periodic monitoring by only activating full processing when specific trigger events occur (such as stylus hover detection or input gestures). This periodic activation maintains input accuracy while significantly reducing average power consumption compared to continuous processing.
2Ease of operation
If the electronic device provides detailed contextual feedback and additional controls for hover states, then the ease of operation and user experience is improved, but the device complexity increases
Solution Approach 1:
The interface dynamically adapts its complexity based on the interaction state. When the stylus hovers over a UI element, the system temporarily introduces additional contextual controls and feedback. When the stylus moves away or completes an action, the interface returns to its simpler default state. This dynamic adjustment maintains ease of operation during needed interactions while avoiding permanent complexity.
Solution Approach 2:
The system segments the user interface into base elements and contextual overlays. The base UI remains simple and stable, while additional contextual controls are segmented as temporary overlays that appear only when needed. This segmentation allows the system to provide detailed feedback without permanently increasing the base interface complexity.
3Adaptability or versatility
If the electronic device processes all input gestures and hover states, then the adaptability and contextual responsiveness is improved, but the loss of time for processing and rendering increases
Solution Approach 1:
The system performs preliminary rendering of contextual controls and feedback visualizations before the user completes their input gesture. By pre-computing and displaying these elements in advance, the system reduces the processing time required during actual interaction, making the adaptability response feel more immediate despite the variety of contextual actions available.
Data Source
AI summary
Some embodiments described in this disclosure are directed to displaying additional controls and/or information when an input device such as a stylus is hovering over a user interface displayed by an electronic device. Some embodiments described in this disclosure are directed to providing feedback about the pose of an input device relative to a surface. Some embodiments of the disclosure are directed to performing contextual actions in response to input provided from an input device. Some embodiments of the disclosure are directed to providing handwritten input for conversion into font-based text using an input device.