Light-Based Communications System Using LCD Shutter Modulation

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Solution Overview

Problem

Current light-based communication systems, such as those using Morse code signal lamps, are slow, require skilled operators, and are prone to errors, making them inefficient for rapid and accurate information transmission, especially under adverse conditions.

Innovation Solution

A light-based communications system that incorporates a light transmitting device with a shutter system, including an LCD shutter, and a computing device to modulate light sources for faster and more accurate transmission of information, capable of operating under various conditions and allowing for simultaneous sending and receiving of messages.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If traditional Morse code signal lamps are used, then the system is simple and reliable, but the transmission speed is slow and requires skilled operators

Engineering Contradiction:
Improvetransmission speedVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent replaces the manual mechanical operation of traditional signal lamps with an automated computer-controlled shutter system. The computer receives information, processes it, and automatically controls the shutter to modulate the light source, eliminating the need for manual Morse code operation and significantly increasing transmission speed while reducing the skill requirement for operators

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

Solution Approach 2:

The system incorporates automatic message preparation and transmission capabilities where the computer handles the entire communication process autonomously. The computer can store, retrieve, and transmit messages without human intervention beyond initial input, making the system self-sufficient and dramatically improving productivity

Inventive Principle:
Principle #25Self-service

2Measurement precision

If manual operation is used, then the device is simple to operate, but accuracy is prone to errors

Engineering Contradiction:
Improvetransmission accuracyVSAvoidoperator skill requirement
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The patent eliminates manual operation errors by replacing human operators with an automated computer控制系统. The computer precisely controls the shutter timing and light modulation according to programmed parameters, ensuring consistent and accurate transmission without the variability and errors inherent in manual Morse code operation

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

Solution Approach 2:

The system incorporates feedback mechanisms where the computer monitors and tracks the light signal transmission in real-time. This allows for verification of accurate transmission and potential correction of any deviations, ensuring high precision without requiring skilled operators to manually verify each signal

Inventive Principle:
Principle #23Feedback

3Adaptability or versatility

If traditional signal lamps are used, then the system is simple and low-tech, but it cannot operate simultaneously for sending and receiving messages

Engineering Contradiction:
Improvesimultaneous communication capabilityVSAvoidsystem complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent makes the system multi-functional by enabling simultaneous sending and receiving of messages through the computer-controlled architecture. The computer can manage multiple communication functions concurrently, allowing the system to operate as both transmitter and receiver at the same time, greatly enhancing its adaptability and versatility

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

Solution Approach 2:

The automated computer system replaces the limitations of manual operation, enabling sophisticated simultaneous transmit and receive capabilities that would be impossible with traditional signal lamps. The computer manages the timing, coordination, and processing of dual-directional communication automatically

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

The system significantly speeds up light-based transmissions, improves accuracy, and allows semiskilled personnel to operate effectively, enabling reliable communication in adverse conditions by using modulated light to transmit information over long distances with minimal divergence and interference.

Implementation Method 1

A light-based communications system that incorporates a light transmitting device with a shutter system, including an LCD shutter

Methodology Applied
Scientific EffectLiquid Crystal Display (LCD) modulation: Liquid Crystals

Implementation Method 2

intelligence is transmitted from a first site to a second site by a modulated light beam

Methodology Applied
Scientific EffectLight wave transmission: Light

Data Source

PatentEP3649443B1Light-based communications system
Publication Date: 2024.04.10 MARSUPIAL HLDG
  • EP3649443B1 patent drawingFigure 1
  • EP3649443B1 patent drawingFigure 2
  • EP3649443B1 patent drawingFigure 3

AI summary

Light-based deciphering and transmission of information from one remote party to another in line-of-sight is disclosed. The system speeds the pace of light-based transmissions, the decoding of transmissions, and improves the accuracy of reception of the transmissions. In certain embodiments, the system sends both visual and infrared light to send different types of information to the recipient or to send information under different conditions. Exemplary embodiments disclosed herein demonstrate three exemplary systems (mechanical, LCD, and LED) that are suitable for combination with the other components of the system as disclosed herein. In certain embodiments, the system is configured to focus on the correct light (when there are other lights in view) sending the code (e.g., Morse code or On-Off Keying) and track it.