Reflection Interference Control via Light Signal Identification
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Solution Overview
Problem
Users experience interference from reflected light signals when viewing content, particularly when the strength of the reflection interference signal is comparable to or exceeds the desired signal, leading to a degraded viewing experience.
Innovation Solution
A method and apparatus that determine the presence of reflection interference by identifying unique identifiers in light signals from a reflection surface and generate control signals to adjust the luminance or orientation of light sources, thereby reducing the interference without user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If light sources are used for wireless optical communication, then data transmission is enabled, but reflection interference degrades the signal quality
Solution Approach 1:
The system uses a photosensitive component to detect reflected light signals containing identification information, determines the presence of reflection interference, and generates control signals to adjust light source parameters accordingly, creating a closed-loop feedback mechanism that dynamically maintains signal quality
Solution Approach 2:
The control signal adjusts parameters of the light source (such as luminance or orientation) based on the detected reflection interference level, dynamically changing operational parameters to optimize signal quality while minimizing interference
2Ease of operation
If automatic reflection interference control is implemented, then viewing experience is enhanced, but device complexity increases
Solution Approach 1:
The photosensitive component serves dual functions: receiving desired light signals for normal operation and detecting reflected interference signals, eliminating the need for separate detection hardware and reducing overall system complexity
Solution Approach 2:
The system automatically detects and controls reflection interference without user intervention, using its own photosensitive component and processing unit to monitor and adjust light source parameters, making the complex control transparent to the user
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
Automatically controls reflection interference by adjusting light sources, ensuring the desired signal strength dominates, thus enhancing the user's viewing experience by minimizing unwanted reflections.
Implementation Method 1
a light source transmits a light signal comprising identification information of the light source
Implementation Method 2
light emitted by a light source is reflected from the surface of the display screen of the device to the field of view of the user
Implementation Method 3
a photosensitive component receives the light signal from the reflection surface
Data Source
AI summary
Reflection interference control can comprise: determining, according to identification information comprised in a light signal from a reflection surface to a field of view of a user, that a reflection interference phenomenon exists on the reflection surface; and generating a control signal for lowering the level of the reflection interference. For example, by using the characteristic that a light source identifier is modulated in a light signal transmitted by a light source in the existing wireless optical communication, whether a reflection interference phenomenon exists can be determined according to identification information comprised in a light signal received by a field of view of a user from a reflection surface, and reflection interference is automatically controlled if it is determined that the reflection interference phenomenon exists, which is simple and quick and does not require user intervention.