Stylus Hover Controls for Lower-Power Contextual Interaction

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Solution Overview

Problem

Existing electronic devices face inefficiencies in user interaction with input devices, particularly styluses, leading to increased cognitive burden and redundant processor and battery power consumption.

Innovation Solution

The implementation of additional controls and feedback mechanisms when a stylus hovers over a user interface, along with contextual actions and handwritten input conversion, enhances user interaction efficiency and reduces redundant inputs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If additional controls and feedback mechanisms are added for stylus interaction, then user interaction efficiency is improved, but device complexity increases

Engineering Contradiction:
Improveuser interaction efficiencyVSAvoiddevice complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system displays additional controls and information in advance when the stylus hovers over a user interface element, before the user needs to interact. This preliminary display of contextual information reduces the need for redundant inputs and improves interaction efficiency without requiring complex real-time processing during the actual interaction.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system provides feedback about the pose of the input device relative to the surface and displays additional controls based on hover detection. This feedback mechanism guides the user through the interaction process, reducing cognitive burden and improving efficiency while managing complexity through structured response protocols.

Inventive Principle:
Principle #23Feedback

2Productivity

If hover detection and additional controls are implemented, then user interaction efficiency is improved, but processor power consumption increases

Engineering Contradiction:
Improveuser interaction efficiencyVSAvoidprocessor power consumption
Core Design Contradiction:
ProductivityVSUse of energy by moving object

Solution Approach 1:

The system employs periodic hover detection rather than continuous monitoring. Additional controls are displayed when hover is detected, and the system transitions to a lower-power state when the stylus is not present or interaction is complete. This periodic action pattern reduces processor power consumption while maintaining interaction efficiency during active use.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

By displaying additional controls in advance during hover, the system reduces the need for redundant processing during the actual interaction. The preliminary display of information allows the processor to optimize its behavior during the interaction phase, reducing overall power consumption.

Inventive Principle:
Principle #10Preliminary action

3Productivity

If contextual actions are performed in response to input, then user interaction efficiency is improved, but cognitive burden increases

Engineering Contradiction:
Improveuser interaction efficiencyVSAvoidcognitive burden
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The system provides feedback about the pose of the input device and displays additional controls based on hover detection. This structured feedback guides the user through the interaction process, reducing cognitive burden by presenting information in a predictable and organized manner rather than overwhelming the user with complex contextual actions.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system displays additional controls and information in advance during hover, before the user needs to make a decision. This preliminary presentation of contextual information reduces the cognitive load during the actual interaction by having the information readily available and organized in advance.

Inventive Principle:
Principle #10Preliminary action

4Adaptability or versatility

If handwritten input conversion is implemented, then functionality is improved, but processing time increases

Engineering Contradiction:
Improvehandwritten input conversionVSAvoidprocessing time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The system prepares and displays additional controls in advance during hover, which can reduce the overall interaction time by having the necessary interfaces ready before the user needs to use them. This preliminary preparation may offset the processing time required for handwritten input conversion.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS20250251851A1Interactions between an input device and an electronic device
Publication Date: 2025.08.07 APPLE INC
  • US20250251851A1 patent drawing
  • US20250251851A1 patent drawing
  • US20250251851A1 patent drawing

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.