Wearable Device Context-Aware Control via Object Proximity

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Solution Overview

Problem

Current wearable devices lack comprehensive control options for interacting with various objects and devices, limiting their functionality in adjusting settings based on context and user interactions.

Innovation Solution

A wearable device equipped with a device detection unit, action detection unit, processing unit, and communication unit that generates control commands for controlling controllable devices based on detected proximity, identification, and user interactions, using sensors like accelerometers and gyroscopes, and optionally RFID tags or cameras for object identification, with the ability to adjust settings via wireless communication protocols like Bluetooth or ZigBee.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If wearable devices use basic gesture detection, then device complexity is reduced, but control versatility and context-awareness are limited

Engineering Contradiction:
Improvecontrol optionsVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The wearable device integrates multiple detection functions (proximity detection, object identification, action detection) into a single device, enabling it to perform diverse control tasks across different contexts and objects without requiring separate specialized devices

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines multiple detection capabilities (proximity sensing, RFID/NFC for identification, accelerometer/gyroscope for action detection) into one integrated wearable system, allowing comprehensive context-aware control while maintaining a unified device architecture

Inventive Principle:
Principle #5Merging (Combining)

2Measurement precision

If wearable devices integrate multiple sensors and detection units, then control precision and context-awareness improve, but device complexity increases

Engineering Contradiction:
Improvedetection precisionVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The wearable device is divided into distinct functional modules (detection unit for proximity and identification, action detection unit for gestures, processing unit for command generation, communication unit for transmission), allowing each component to be optimized independently while maintaining overall system precision

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The processing unit acts as an intermediary that receives raw data from multiple sensors, processes and integrates this information, and generates coordinated control commands, thereby managing the complexity of multiple sensors without compromising detection precision

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If wearable devices require contact or modification of objects for control, then control reliability improves, but ease of operation decreases

Engineering Contradiction:
Improvecontrol reliabilityVSAvoidease of operation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The control functionality is extracted from the objects themselves and transferred to the wearable device, which detects objects wirelessly via proximity sensing and RFID/NFC, eliminating the need for physical contact or hardware modification of the controlled objects

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent replaces mechanical contact-based control with wireless detection mechanisms (proximity sensors, RFID/NFC readers), allowing the wearable device to identify and control objects without physical interaction, thereby improving ease of operation while maintaining reliability through multiple detection modalities

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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 context-aware control of devices by detecting object presence and user interactions, allowing for personalized and adaptive control settings without altering the object's hardware or software, enhancing user experience and device compatibility.

Implementation Method 1

a device detection unit for detecting proximity and an identification of the object

Methodology Applied
Scientific EffectProximity detection: Electromagnetic Induction

Implementation Method 2

integrated MEMS sensors (e.g. an accelerometer and a gyroscope)

Methodology Applied
Scientific EffectAccelerometer detection: Accelerometer

Implementation Method 3

integrated MEMS sensors (e.g. an accelerometer and a gyroscope)

Methodology Applied
Scientific EffectGyroscope detection: Gyroscope

Implementation Method 4

connect to other devices (e.g. via Bluetooth or ZigBee) and/or to the internet (e.g. via WiFi)

Methodology Applied
Scientific EffectWireless communication: Electromagnetic Induction

Data Source

PatentEP3084743B2Interaction detection wearable control device
Publication Date: 2020.11.25 SIGNIFY HOLDING BV
  • EP3084743B2 patent drawingFigure 1
  • EP3084743B2 patent drawingFigure 2
  • EP3084743B2 patent drawingFigure 3

AI summary

A wearable device 100 for controlling a controllable device 104 based on an interaction with an object 102 is disclosed. The wearable device 100 comprises a device detection unit 106 for detecting proximity of the object 102, an action detection unit 112 for detecting an action indicative of an interaction of a user wearing the wearable device 100 with the object 102 and a processing unit 108 for generating a control command for controlling the controllable device 104 based on the detected proximity of the object 102 and based on the action indicative of an interaction with the object 102. The wearable device 100 further comprises a communication unit 110 for sending the control command to the controllable device 104. Thereby, the wearable device 100 is able to detect the use of the object 102 and adjust the control parameters of the controllable device 104 to create context- related use conditions. This may improve the control of the controllable device 104 and this may offer new interaction possibilities between the wearable device 100, the controllable device 104 and the object 102.