Wireless RF Transmission Unit for Electronic Whiteboard Control

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Solution Overview

Problem

Conventional electronic whiteboards require cumbersome manual switching between pages and documents when connected to a computer, and are limited by wired connections, leading to inconvenient use and potential communication disruptions.

Innovation Solution

An electronic interactive system enabling wireless connection between an electronic whiteboard and a terminal device using RF transmission modules, allowing data and touch signals to be transmitted wirelessly between the devices, facilitating seamless control and operation without spatial limitations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If wired connection is used between electronic whiteboard and computer, then connection stability is improved, but spatial flexibility and ease of operation deteriorate

Engineering Contradiction:

Improveconnection stabilityVSAvoidspatial flexibility

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces the mechanical wired connection system with a wireless transmission system using RF modules. The wireless transmission unit includes a first RF transmission module connected to the computer and a second RF receiving module connected to the electronic whiteboard, enabling data signal transmission without physical cables. This substitution eliminates spatial constraints while maintaining connection stability through reliable wireless communication protocols.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If wired connection is used between electronic whiteboard and computer, then connection reliability is improved, but device mobility and adaptability deteriorate

Engineering Contradiction:

Improveconnection reliabilityVSAvoiddevice mobility

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent substitutes the mechanical cable connection with an electromagnetic field-based wireless transmission system. The wireless transmission unit enables the electronic whiteboard to communicate with the computer without physical constraints, allowing free movement and flexible positioning while maintaining reliable connection through RF signal transmission and reception.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Device complexity

If manual page switching is required at computer, then system complexity is reduced, but operation efficiency and productivity deteriorate

Engineering Contradiction:

Improvesystem complexityVSAvoidoperation efficiency

Core Design Contradiction:

Device complexityVSProductivity

Solution Approach 1:

The patent introduces a wireless transmission unit as an intermediary between the computer and electronic whiteboard. This intermediary enables automatic control functionality where the electronic whiteboard can send control signals to the computer to switch pages and documents automatically, eliminating the need for manual intervention at the computer while maintaining system simplicity through standardized communication protocols.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent implements self-service functionality where the electronic whiteboard system automatically performs page switching and document navigation without requiring user intervention at the computer. The wireless transmission unit enables the electronic whiteboard to autonomously control the computer's display content, significantly improving operation efficiency while keeping the overall system architecture simple.

Inventive Principle:

Principle #25Self-service

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 system allows for convenient, wireless operation of the electronic whiteboard, enabling users to control the terminal device by touch, eliminating the need for physical movement and reducing the risk of connection issues, thereby enhancing user experience and operational efficiency.

Implementation Method 1

a first RF transmission module and a first RF receiving module in a first RF transmission group are connected to an electronic terminal device and an electronic whiteboard respectively via data cables of a first type... so that data signals of the electronic terminal device are transmitted to the electronic whiteboard in the form of RF

Methodology Applied

Scientific EffectRF transmission: Electromagnetic Induction

Implementation Method 2

Methodology Applied

Scientific EffectRF reception: Electromagnetic Induction

Data Source

PatentUS10262626B2Electronic interactive system and setting method thereof

Publication Date: 2019.04.16 BOE TECHNOLOGY GROUP CO LTD

AI summary

An electronic interactive system and a setting method thereof. The electronic interactive system includes a wireless transmission unit respectively connected with an electronic terminal device and an electronic whiteboard, where the wireless transmission unit is configured to transmit data signals from the electronic terminal device to the electronic whiteboard in a wireless form and transmit touch signals from the electronic whiteboard to the electronic terminal device in the wireless form.