Fiber Connector With Optical Signal Conversion And Visible Light Emission

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Solution Overview

Problem

Conventional HDMI cables using copper wire have limited bandwidth and are susceptible to noise or interference, and tracing fiber cables in complex installations is difficult due to their opaque nature.

Innovation Solution

A cable assembly with a connector that converts electrical signals to optical signals using a circuit board with laser diodes and LEDs, allowing for visible light emission to facilitate identification and differentiation, while using optical fibers for higher bandwidth and reduced interference.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If copper wire is used to transfer data in conventional HDMI cables, then electrical signals can be transmitted, but bandwidth is limited and the cable is susceptible to noise or interference

Engineering Contradiction:
Improvesignal transmission qualityVSAvoidbandwidth
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The patent replaces the copper wire electrical signal transmission system with an optical fiber-based system that converts electrical signals to optical signals using laser diodes and LEDs. This substitution eliminates electromagnetic interference and bandwidth limitations inherent in copper wiring, providing higher reliability and greater bandwidth for video signal transmission.

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

2Reliability

If fiber cables are used for transmission, then bandwidth and interference resistance are improved, but it becomes difficult to trace the cable when many are used in the same room

Engineering Contradiction:
Improvesignal transmission qualityVSAvoidcable identification
Core Design Contradiction:
ReliabilityVSDifficulty of detecting and measuring

Solution Approach 1:

The patent incorporates visible light emission from LEDs coupled to the optical fiber cable. This allows the cable to emit visible light that can be used for easy identification and differentiation among multiple cables in the same room, solving the tracing difficulty while maintaining the high bandwidth and interference resistance of optical fiber transmission.

Inventive Principle:
Principle #32Color changes

3Quantity of substance

If a connector with conversion circuit is designed, then electrical to optical conversion is achieved for high bandwidth transmission, but the device complexity increases with interface requirements

Engineering Contradiction:
ImprovebandwidthVSAvoidconnector interface structure
Core Design Contradiction:
Quantity of substanceVSDevice complexity

Solution Approach 1:

The patent combines multiple functions into the connector assembly: electrical signal reception, electrical-to-optical conversion using laser diodes and LEDs, and visible light emission for cable identification. By merging these functions into a single integrated connector design with standardized interfaces, the system achieves high bandwidth transmission without proportionally increasing overall 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 solution provides a high-bandwidth, interference-free transmission of video signals and allows for easy identification and differentiation of cables through visible light emission, enhancing cable management and quality of video transmission.

Implementation Method 1

at least one laser diode for emitting at least one optical signal to the at least one first fiber wire

Methodology Applied
Scientific EffectLight emission from laser diode: Laser

Implementation Method 2

at least one first light-emitting diode (LED) for emitting a first visible light to the at least one second fiber wire

Methodology Applied
Scientific EffectLight emission from LED: Light Emitting Diode

Data Source

PatentUS11269147B2Cable assembly having a connector and an un-plugable cable having a fiber connector for connecting with the connector
Publication Date: 2022.03.08 BKS TEC CORP
  • US11269147B2 patent drawing
  • US11269147B2 patent drawing
  • US11269147B2 patent drawing

AI summary

A cable assembly having a connector and a cable having a fiber connector, wherein the connector contains a circuit for converting electrical signals to optical signals for transmitting video or high data rate data, and the connector has an interface to connect with the fiber connector of the cable, so that the cable and the connector can be separated for making each of the connector and the cable as a standalone component.