Media Validation Platform for Optical Disc Defect Detection

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Automated systems for vending optical storage media, such as CDs and DVDs, face challenges in accurately identifying and processing discs due to defects, leading to inefficiencies and inaccuracies in disc validation and cataloging.

Innovation Solution

A media validation platform with a transport system, quality control station equipped with a light source and camera for defect detection, and a media identification station with a scanner assembly for barcode reading, which includes methods for obtaining baseline and disc images, calculating defect probabilities, and correlating data with a disc database.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If automated systems use basic disc processing without advanced validation, then transaction speed is maintained, but disc defect detection accuracy deteriorates

Engineering Contradiction:

Improvedisc defect detection accuracyVSAvoidtransaction time

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

The system performs preliminary validation actions by obtaining baseline images of illumination without discs, storing them in memory, and preparing validation algorithms before actual disc processing begins. This preliminary setup enables rapid defect detection during transactions without adding significant processing time

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent replaces mechanical inspection methods with optical-based detection systems that use light sources, cameras, and image processing algorithms to detect disc defects. This substitution enables faster, more accurate defect detection compared to traditional mechanical inspection methods

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If automated systems implement comprehensive quality control inspection, then disc validation accuracy is improved, but system complexity increases

Engineering Contradiction:

Improvedisc validation accuracyVSAvoidsystem complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The validation system is segmented into distinct functional modules: a quality control station with light sources and cameras for defect detection, a media identification station with barcode scanners, a transport system for disc handling, and a database for storing baseline images and validation results. This modular segmentation makes the complex system easier to implement, maintain, and troubleshoot

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system introduces a computer with processing logic as an intermediary that coordinates between various validation components, manages baseline image storage, performs image processing comparisons, and controls transport mechanisms. This central coordination simplifies the overall system architecture by providing a single control point

Inventive Principle:

Principle #24Intermediary (Mediator)

3Productivity

If automated systems use rapid disc processing, then transaction efficiency is improved, but defect detection capability deteriorates

Engineering Contradiction:

Improvetransaction efficiencyVSAvoiddefect detection capability

Core Design Contradiction:

ProductivityVSMeasurement precision

Solution Approach 1:

The system maintains continuous operation by processing discs through the validation station in sequence without stopping the overall workflow. Baseline images are pre-loaded into memory for rapid comparison, and the transport system continuously moves discs through the validation process, ensuring uninterrupted high-speed processing while maintaining detection accuracy

Inventive Principle:

Principle #20Continuity of useful action

Solution Approach 2:

The system creates digital copies of baseline illumination patterns and stores them in memory for rapid comparison against actual disc images. This copying approach eliminates the need for repeated physical measurements and enables instant defect detection during high-speed processing

Inventive Principle:

Principle #26Copying

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

Enhances the accuracy and efficiency of disc processing by effectively identifying defects and validating media, ensuring correct cataloging and minimizing transaction times by accurately detecting pinholes and other defects, and correlating barcode data with external databases.

Implementation Method 1

a light source, a light diffuser, and a camera for measuring an intensity of light from the light source passing through the light diffuser and at least a media layer of the media disc

Methodology Applied

Scientific EffectLight transmission and absorption: Absorption (EM radiation)

Data Source

PatentUS10521684B2Media validation platform

Publication Date: 2019.12.31 GAME CHANGER HOLDINGS LLC

AI summary

A device comprising a media validation platform for identifying and detecting defects on a media disc is provided. The media validation platform may include: a media transport system including a guide portion including a cushion medium and a drive portion including a belt drive for conveying a media disc along a path of motion through the media validation platform; a slot providing an opening to the media validation platform and a guide to introduce the media disc to the media transport system; a quality control station comprising a light source, a light diffuser, and a camera for measuring an intensity of light from the light source passing through the light diffuser and a media layer of the at least one media disc; and a media identification station comprising a scanner assembly, the scanner assembly adapted to obtain data from a bar code of the at least one media disc.