Wearable Hinge Radiator for Wireless Communication

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Solution Overview

Problem

Wearable devices face challenges in incorporating radiators due to their small size and aesthetic considerations, while also needing to support wireless communication without additional devices like cellular phones.

Innovation Solution

A hinge is designed to serve as a radiator, incorporating conductive pin elements with an insulator and shielding, allowing it to mechanically connect a wearable device's body and band while facilitating wireless communication by acting as a loop antenna with inductive or capacitive reactance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a radiator is incorporated within a wearable device, then wireless communication capability is improved, but the device size and aesthetic appearance are compromised

Engineering Contradiction:
Improvewireless communication capabilityVSAvoidaesthetic appearance
Core Design Contradiction:
ReliabilityVSShape

Solution Approach 1:

The hinge is designed to serve dual purposes: mechanically connecting the band to the body of the wearable device while simultaneously functioning as a radiator for wireless communication. This multi-functionality eliminates the need for separate radiator components, thereby maintaining aesthetic appearance while ensuring communication capability

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

Solution Approach 2:

The radiator function is merged with the hinge structure by making the hinge itself conductive and electrically connected to the radio frequency circuitry. The conductive pin elements of the hinge form the radiating elements, combining mechanical and communication functions into a single integrated component

Inventive Principle:
Principle #5Merging (Combining)

2Reliability

If a radiator is incorporated within a wearable device, then wireless communication capability is improved, but the device complexity increases

Engineering Contradiction:
Improvewireless communication capabilityVSAvoidstructural complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The hinge serves multiple functions including mechanical connection, rotation, and radiation for wireless communication. By integrating these functions into a single component rather than adding separate radiator elements, the overall device complexity is reduced despite the enhanced communication capability

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

Solution Approach 2:

The hinge structure is merged with the radiator function by making the hinge conductive and electrically connected to the RF circuitry. This integration eliminates the need for additional separate radiator components and their associated mounting and connection structures, thereby reducing device complexity

Inventive Principle:
Principle #5Merging (Combining)

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

The hinge effectively supports wireless communication without compromising the device's mechanical functionality or aesthetic appearance, enabling direct communication with other devices without the need for additional radiators, and can operate at various frequency bands.

Implementation Method 1

at least the first conductive pin element is in electrical communication with radio frequency circuitry of the device such that the first conductive pin element is a radiating element

Methodology Applied
Scientific EffectElectromagnetic radiation: Electromagnetic Induction

Data Source

PatentEP3213368B1Hinge that serves as a radiator
Publication Date: 2020.11.25 NOKIA TECHNOLOGIES OY
  • EP3213368B1 patent drawingFigure 1~2
  • EP3213368B1 patent drawingFigure 3~6
  • EP3213368B1 patent drawingFigure 5

AI summary

A hinge of a device is provided that serves as a radiator. The hinge includes first (26) and second (28) conductive pin elements. The opposite ends of the first and second conductive pin elements are configured to mechanically engage the device. The hinge also includes an insulator (38) between portions of the first and second conductive pin elements. The end of at least the first conductive pin element is also configured to be in electrical communication with radio frequency circuitry of the device such that the first conductive pin element functions as the radiator.