Retinal Imaging System Using Movable Mirror Light Modulator

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Solution Overview

Problem

Current imaging systems lack efficient methods to generate high-quality, dynamic images directly on the retina of an observer's eye, particularly in applications requiring real-time data processing and integration of multiple sensory inputs like thermal imaging and virtual information.

Innovation Solution

An image generation system comprising a data generation system, an imaging system, and a control system that transmits light to form pixels on the retina, utilizing a light modulator with movable mirrors to control light beams and an eye monitoring system for real-time control and eye tracking, enabling the creation of two-dimensional color images and three-dimensional visuals.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If conventional imaging systems are used to capture and display images, then images can be generated, but the images cannot be projected directly onto the retina with high quality and real-time performance

Engineering Contradiction:
Improveimage qualityVSAvoidsystem complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The imaging system is divided into multiple functional modules: a light source module emitting light at different wavelengths, an optical fiber module to transmit and homogenize light, a light modulator module with movable mirrors to control light beams, and an imaging system module to project light onto the retina. This segmentation allows each module to be optimized independently while achieving high-quality retinal imaging.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

An optical fiber is introduced as an intermediary component between the light source and the light modulator. The optical fiber homogenizes the light and combines multiple wavelengths, serving as a mediator that enables precise control of light properties before they reach the retina, thereby improving image quality without directly increasing system complexity.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Productivity

If images are projected onto the retina directly, then real-time visualization is achieved, but current systems cannot simultaneously provide high image quality and handle multiple sensory inputs

Engineering Contradiction:
Improvereal-time image generationVSAvoidmulti-sensory integration
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The control system is designed to access and process multiple types of data content from different sources, including thermal imaging data and virtual information data. The same imaging system projects both thermal and virtual images onto the retina, enabling real-time multi-sensory integration while maintaining high image quality through parallel processing of different sensory inputs.

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

Solution Approach 2:

The light modulator employs movable mirrors that can dynamically adjust their positions to control light beams in real-time. This dynamic capability allows the system to adapt to different image types and sensory inputs, projecting thermal images, virtual images, or combinations thereof onto the retina with real-time responsiveness.

Inventive Principle:
Principle #15Dynamics

3Manufacturing precision

If multiple light wavelengths are combined to create color images, then image quality improves, but the complexity of controlling light transmission increases

Engineering Contradiction:
Improvecolor image qualityVSAvoidlight control complexity
Core Design Contradiction:
Manufacturing precisionVSEase of operation

Solution Approach 1:

The optical fiber serves as an intermediary that automatically homogenizes and combines multiple wavelengths of light from different sources. This intermediary component simplifies the control process by pre-mixing the light wavelengths before they reach the light modulator, reducing the complexity of coordinating multiple light sources while maintaining high color image quality.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The light modulator controls the transmission of different wavelengths by adjusting the positions of movable mirrors. By changing the spatial parameters of light reflection and direction, the system achieves precise control over color image quality without complex control mechanisms, as the mirror positions directly determine which wavelengths are transmitted to the retina.

Inventive Principle:
Principle #35Parameter changes

4Adaptability or versatility

If an eye monitoring system is integrated for real-time control, then adaptability improves, but device complexity increases

Engineering Contradiction:
Improvereal-time control capabilityVSAvoidsystem component count
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The eye monitoring system provides real-time feedback about eye actions to the control system. This feedback loop enables the control system to dynamically adjust light transmission parameters based on actual eye movements and conditions, significantly improving real-time adaptability. The feedback mechanism allows the system to compensate for changes in eye position and focus, enhancing the overall performance without requiring excessive system complexity.

Inventive Principle:
Principle #23Feedback

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

Enables the generation of high-quality, real-time images directly on the retina, enhancing applications such as military and surveillance with improved peripheral vision and reduced eye strain, while allowing for secure and efficient image delivery.

Implementation Method 1

an optical fiber optically coupled with the light source and configured to homogenize the light and to combine multiple wavelengths of light

Methodology Applied
Scientific EffectOptical fiber light transmission and homogenization: Optical Fibre

Implementation Method 2

the light modulator comprises a plurality of mirrors which are configured to move between a plurality of positions, and wherein the control system is configured to generate the control signals to control different sets of the mirrors to move to one of the positions to reflect the light from the light source to the observer's eye

Methodology Applied
Scientific EffectLight reflection: Reflection

Data Source

PatentUS8982014B2Image generation systems and image generation methods
Publication Date: 2015.03.17 BATTELLE MEMORIAL INST
  • US8982014B2 patent drawing
  • US8982014B2 patent drawing
  • US8982014B2 patent drawing

AI summary

Image generation systems and image generation methods are described. According to one aspect, an image generation system includes an imaging system configured to transmit light towards an observer's eye to form a plurality of pixels of an image upon the retina of the observer's eye at a moment in time; and a control system coupled with the imaging system and wherein the control system is configured to access data content regarding the image, to generate a plurality of control signals according to the accessed data content, and to output the control signals to the imaging system to control the transmission of the light by the imaging system towards the observer's eye to form the plurality of pixels of the image upon the retina of the observer's eye at the moment in time.