Electric Field Sensor for Situational Communication Activation

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Solution Overview

Problem

Current communication devices lack efficient methods to reduce power consumption and enhance usability by automatically initiating actions based on situational awareness, as they rely primarily on user inputs and motion sensors.

Innovation Solution

The integration of an Electric Field (EF) sensor and communication circuitry that detects changes in the electric field surrounding the device, allowing for the activation of communication circuitry only when specific situations are detected, such as the presence of a second person or a predetermined environment, thereby enabling situational-based communication actions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If communication circuitry is activated continuously to ensure availability, then communication readiness is improved, but power consumption increases

Engineering Contradiction:
Improvecommunication readinessVSAvoidpower consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The EF sensor performs preliminary detection of situational characteristics (such as presence of second person, environmental conditions) before activating the communication circuitry. This preliminary action ensures that communication is initiated only when necessary, resolving the contradiction between maintaining communication readiness and reducing power consumption.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system continuously monitors electric field characteristics through the EF sensor and uses this feedback to dynamically control the activation state of communication circuitry. When situational characteristics match predetermined patterns, communication circuitry is activated; otherwise, it remains inactive, optimizing the balance between reliability and energy efficiency.

Inventive Principle:
Principle #23Feedback

2Ease of operation

If user inputs and motion sensors are used for device control, then ease of operation is improved, but device functionality is limited

Engineering Contradiction:
Improveuser interactionVSAvoiddevice functionality
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The communication device uses the EF sensor to automatically detect situational characteristics and initiate appropriate communication actions without requiring user input. The device serves itself by autonomously determining when communication circuitry should be activated based on environmental conditions, thereby enhancing functionality while maintaining ease of operation.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The EF sensor serves multiple functions: detecting presence of second person, identifying environmental characteristics, and triggering appropriate communication modes. This multi-functionality expands device capabilities beyond traditional user input methods while maintaining intuitive operation.

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

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

This approach increases the usability of communication devices by allowing them to recognize situations and initiate automatic actions, reducing power consumption by activating communication circuits only when necessary, and enabling efficient communication through technologies like Body Coupled Communication (BCC) or Wi-Fi, Bluetooth, and Bluetooth Low Energy.

Implementation Method 1

detecting a change in the electric field surrounding the communication device using the EF sensor

Methodology Applied
Scientific EffectElectric Field: Electric Field

Data Source

PatentEP3225016B1Situational based communication
Publication Date: 2019.07.03 SONY GROUP CORP
  • EP3225016B1 patent drawingFigure 1
  • EP3225016B1 patent drawingFigure 2~5
  • EP3225016B1 patent drawingFigure 6~8

AI summary

The present disclosure provides for a method and a communication device (1) comprising an Electric Field, EF, sensor (2) and a communication circuitry (3) for initiating situational based communication actions in the communication device (1). The method comprises detecting (S2) a change in the electric field surrounding the communication device (1) using the EF sensor (2), determining (S3) that the change in the electric field has a predetermined characteristic and activating (S4) the communication circuitry (3) depending on the determination.