Visual Identifier Encoding for Electronic Display Verification
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Solution Overview
Problem
Electronic displays used for advertising and informational purposes face issues with performance degradation or sudden failure, leading to revenue loss and critical information disruption, necessitating a method to monitor and verify display performance and security.
Innovation Solution
A unique identifier is encoded and displayed simultaneously with video/image content, measured by a light sensor, and decoded to confirm display presence and integrity, ensuring unauthorized content is prevented and performance data is collected for analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a light sensor is placed in front of the electronic display to monitor performance, then measurement precision is improved, but device complexity increases
Solution Approach 1:
A light sensor is introduced as an intermediary device to measure the actual performance characteristics of the electronic display. The sensor captures optical output data that reflects display performance, enabling indirect monitoring without directly interfering with the display's internal operations.
Solution Approach 2:
The patent replaces complex internal display diagnostics with a simpler optical measurement approach. Instead of monitoring electrical signals or internal components, the system uses optical sensing to infer display performance, substituting mechanical/electrical complexity with optical measurement simplicity.
2Reliability
If unique identifiers are encoded and displayed with video content, then reliability is improved through verification, but manufacturing precision is worsened due to encoding requirements
Solution Approach 1:
Unique identifiers are encoded into video content beforehand, before the content is displayed. This preliminary encoding ensures that verification data is already embedded in the content stream, allowing reliable tracking and authentication without requiring complex real-time processing during display operation.
Solution Approach 2:
The unique identifier is embedded as a copy within the video content itself. Rather than requiring separate verification systems, the authentication data is replicated within the content stream, allowing the display system to verify content integrity by reading the embedded copy of the identifier.
3Loss of information
If performance monitoring and security verification are implemented, then loss of information is reduced, but device complexity increases
Solution Approach 1:
The patent combines multiple functions into a unified system: the light sensor simultaneously monitors display performance characteristics and captures verification data for content authentication. The same optical measurement process serves dual purposes, eliminating the need for separate monitoring and verification systems.
Solution Approach 2:
The monitoring system is designed with multi-functionality, where the light sensor and data processing apparatus serve multiple purposes: measuring display performance parameters, verifying content authenticity through unique identifiers, and tracking advertising exposure. This universal approach reduces overall system complexity compared to having separate dedicated systems for each function.
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 provides confirmation of display content and performance, ensures security against unauthorized content, and allows for real-time monitoring and analysis of display failures, enabling precise billing and maintenance notifications.
Implementation Method 1
a light sensor placed in front of an electronic display to monitor actual display performance
Data Source
AI summary
A system and method for displaying images or video on an electronic display. A unique identifier may be embedded within the frames of images or video and detected by a light sensor. The data from the light sensor is analyzed to determine if the proper image or video was actually shown at the display. Some embodiments analyze the data from the light sensor in real time and may stop displaying the image or video if the data is not in the format of a unique identifier. Using this embodiment, the system can prevent unintended images or video from being shown on the display.


