Contactless Transponder Antenna in Video Game Control Element

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Solution Overview

Problem

The integration of contactless transponders, such as NFC transponders, in devices like video game consoles often results in radiofrequency performance loss or interruptions due to their placement in metal-rich environments and variations in device manufacturing, which affect antenna positioning.

Innovation Solution

The antenna of the contactless transponder is housed within a control element, such as a joystick, allowing it to be outside the metal-rich environment and maintaining consistent placement across devices, thereby enhancing contactless communication without the need for additional components like ferrite sheets.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If the transponder antenna is placed in the game device housing, then the device structure is simple, but the radiofrequency communication performance deteriorates due to metal-rich environment

Engineering Contradiction:
Improvedevice structureVSAvoidradiofrequency communication performance
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The antenna is extracted from the metal-rich environment of the game device housing and placed inside the control element, which provides a non-metallic environment that preserves radiofrequency communication performance while maintaining overall device structural simplicity

Inventive Principle:
Principle #2Taking out (Extraction)

2Ease of manufacture

If the transponder antenna is placed in the game device housing, then manufacturing is easier, but communication reliability varies due to mass production variations affecting antenna distance

Engineering Contradiction:
Improvemanufacturing easeVSAvoidcommunication reliability
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The antenna is extracted from the variable-distance environment of the game device housing and relocated to the control element, where its position relative to external tags remains consistent across mass production, thereby improving communication reliability without complicating manufacturing

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The control element serves dual purposes: it provides user input functionality and houses the antenna, utilizing existing structural components to establish a stable antenna position without requiring additional manufacturing precision

Inventive Principle:
Principle #25Self-service

3Reliability

If ferrite sheets are used to improve contactless communication, then communication performance improves, but device complexity and cost increase

Engineering Contradiction:
Improvecontactless communication performanceVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The antenna is extracted from the metal-rich environment and placed in the control element, eliminating the need for ferrite sheets or other shielding materials, thereby improving communication performance without increasing device complexity or cost

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The control element acts as an intermediary structure that provides a suitable non-metallic environment for the antenna, replacing the need for additional ferrite sheet intermediaries while maintaining communication performance

Inventive Principle:
Principle #24Intermediary (Mediator)

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 solution ensures improved contactless communication by isolating the antenna from metal-rich environments and utilizing existing device components, reducing production variability and costs while maintaining effective communication.

Implementation Method 1

a contactless transponder having at least one antenna that is housed in said at least one control element

Methodology Applied
Scientific EffectElectromagnetic Induction: Electromagnetic Induction

Data Source

PatentUS11918889B2Device, for example video game device, provided with a contactless transponder
Publication Date: 2024.03.05 STMICROELECTRONICS (ROUSSET) SAS
  • US11918889B2 patent drawing
  • US11918889B2 patent drawing
  • US11918889B2 patent drawing

AI summary

A device comprising at least one controller handset possessing a housing and at least one control element that is arranged so as to protrude from the housing and to be movable with respect to the housing so as to allow a user to control at least one movement of at least one object that is external to the device, and a contactless transponder having at least one antenna that is housed in the at least one control element.