Stylus Pen Gesture Recognition for Repeated Electronic Operations

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing electronic devices struggle to effectively control various operations with a stylus pen beyond simple on/off button functions, requiring repetitive user interactions for repeated operations.

Innovation Solution

The electronic device identifies gestures with a stylus pen based on information in communication signals, allowing it to repeat operations corresponding to the identified gestures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the stylus pen uses only simple on/off button functions for control, then the device operation is simple to implement, but the operational versatility and control capability for various operations are limited

Engineering Contradiction:
Improveoperational versatilityVSAvoidcontrol mechanism complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent transforms the static button press into a dynamic gesture-based control system. The stylus pen detects motion patterns, trajectories, and temporal characteristics to differentiate between various operations. This dynamic approach allows a single physical button to control multiple operations through varying gesture patterns, resolving the contradiction between operational versatility and control mechanism complexity.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes the parameters of interaction by detecting temporal patterns (duration of button press, intervals between presses), spatial patterns (trajectory of stylus movement), and motion characteristics (speed, acceleration). These parameter variations enable diverse operations to be controlled through a unified gesture recognition framework, enhancing versatility without proportionally increasing complexity.

Inventive Principle:
Principle #35Parameter changes

2Productivity

If the user repeats manual manipulation of the stylus pen for repeated operations, then the control precision is maintained, but the time efficiency and productivity decrease

Engineering Contradiction:
Improveoperation efficiencyVSAvoidtime for repeated manipulation
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The system performs preliminary action by detecting the user's intent through gesture patterns and pre-executing or automating repeated operations. Once a gesture pattern is recognized, the system can automatically repeat the associated operation multiple times without requiring the user to manually repeat the gesture, thereby reducing manipulation time and improving productivity while maintaining control precision through pattern recognition.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system enables continuous operation by recognizing gesture patterns and automatically executing repeated actions. Instead of interrupting the workflow for each manual manipulation, the system maintains continuous useful action by automating repetitive tasks based on the initial gesture detection, thus reducing time loss and improving operational efficiency.

Inventive Principle:
Principle #20Continuity of useful action

3Measurement precision

If the electronic device detects only basic button press states, then the detection simplicity is maintained, but the gesture recognition accuracy and operational precision are insufficient

Engineering Contradiction:
Improvegesture recognition accuracyVSAvoiddetection complexity
Core Design Contradiction:
Measurement precisionVSDifficulty of detecting and measuring

Solution Approach 1:

The system employs feedback mechanisms where the electronic device continuously monitors stylus position, button press state, and motion characteristics. This feedback loop enables the system to refine gesture recognition by analyzing temporal patterns (press duration, release timing), spatial patterns (movement trajectory), and force characteristics. The feedback-based approach improves measurement precision by considering multiple parameters over time rather than relying on simple instantaneous states.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent adds temporal and spatial dimensions to the detection process. Instead of detecting only the basic on/off state of the button, the system analyzes the time sequence of button presses, the trajectory of stylus movement, and the duration of gestures. This dimensional expansion transforms simple binary detection into multi-parameter gesture recognition, improving accuracy while managing complexity through structured analysis of additional dimensions.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables seamless and efficient execution of repeated operations with a stylus pen by recognizing and responding to user gestures, reducing the need for repetitive manual inputs.

Implementation Method 1

The electronic device may detect magnetic fields produced from the stylus pen using electro magnetic resonance (EMR).

Methodology Applied
Scientific EffectElectromagnetic resonance (EMR): Resonance

Implementation Method 2

An electronic device may identify the position of a stylus pen based on an electromotive force generated by a magnetic field per channel.

Methodology Applied
Scientific EffectElectromagnetic field detection: Electromagnetic Induction

Data Source

PatentEP3771966B1Electronic device identifying gesture with stylus pen and method for operating the same
Publication Date: 2025.07.16 SAMSUNG ELECTRONICS CO LTD
  • EP3771966B1 patent drawingFigure 1
  • EP3771966B1 patent drawingFigure 2
  • EP3771966B1 patent drawingFigure 3A

AI summary

According to an embodiment, an electronic device comprises: a communication module comprising communication circuitry, a processor electrically connected with the communication module, and a memory electrically connected with the processor, wherein the memory stores instructions which, when executed by the processor, cause the processor to control the electronic device to: receive at least one first communication signal including information about a position of a stylus pen through the communication module, identify a gesture based on the information about the position of the stylus pen, identify an operation corresponding to the gesture, and based on detecting a repetition event for the operation based on at least one second communication signal received from the stylus pen, through the communication module, repeat an execution of the operation.