Staggered Illumination Sources for Rotatable Animation Resolution

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Solution Overview

Problem

Existing two-dimensional and three-dimensional display devices with rotating light sources are limited in resolution due to overlapping illumination paths from light sources on opposite sides of the axis of rotation, resulting in reduced image clarity and detail.

Innovation Solution

The use of staggered illumination sources on a rotatable member, where the first and second pluralities of sources are actuatable and positioned to produce distinct paths of illumination, enhancing the resolution of two-dimensional and three-dimensional images by ensuring each light source contributes a unique portion of the image.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If light sources are disposed on opposed sides of an axis of rotation to produce brighter animation, then illumination intensity is improved, but light sources travel along the same illumination paths resulting in reduced resolution

Engineering Contradiction:
ImprovebrightnessVSAvoidresolution
Core Design Contradiction:
Illumination intensityVSManufacturing precision

Solution Approach 1:

The patent applies asymmetry by staggering the light sources on opposite sides of the rotation axis at different radial distances. Instead of symmetric placement where corresponding light sources would follow identical circular paths, the asymmetric staggering ensures each light source traces a unique illumination path, thereby maintaining resolution while achieving brightness through multiple active sources.

Inventive Principle:
Principle #4Asymmetry

2Illumination intensity

If multiple light sources are placed in the same illumination path to increase brightness, then illumination intensity is improved, but the light sources do not yield an increase in resolution

Engineering Contradiction:
ImprovebrightnessVSAvoidresolution
Core Design Contradiction:
Illumination intensityVSManufacturing precision

Solution Approach 1:

The patent resolves this contradiction by introducing a radial dimension to the light source placement. Instead of placing multiple light sources along the same circular path (one-dimensional arrangement), the invention distributes them at different radial distances from the axis of rotation (two-dimensional arrangement), creating distinct illumination paths that contribute to both brightness and resolution.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

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 approach significantly increases the resolution of displayed images by ensuring each light source provides a distinct path of illumination, resulting in clearer and more detailed animations, both two-dimensional and three-dimensional, without the redundancy of overlapping paths.

Implementation Method 1

The array can then be rotated about a central axis while the light sources are activated in sequence and at an effective rate thereby to present an image to a viewer. The image can be a moving image or a fixed image, each being perceived by the viewer as a result of the persistence of vision phenomenon associated with the human eye.

Methodology Applied
Scientific EffectPersistence of vision:

Data Source

PatentUS9390643B2Rotatable animation devices with staggered illumination sources
Publication Date: 2016.07.12 SEDER RUFUS BUTLER
  • US9390643B2 patent drawing
  • US9390643B2 patent drawing
  • US9390643B2 patent drawing

AI summary

An illuminated animation device with staggered sources of illumination with a rotatable member rotatable about an axis of rotation, first and second pluralities of sources of illumination retained to rotate with the rotatable member that are actuatable between illuminated and non-illuminated conditions. The first and second pluralities of sources of illumination are staggered so that the sources of illumination will produce individual paths of illumination to permit image display with enhanced. The rotatable member can be a rotatable panel with first and second arrays retained relative to first and second halves thereof, and the sources of illumination can be longitudinally and laterally staggered, such as by one-half a distance between adjacent sources of illumination. The sources of animation can alternatively be disposed in opposed, radially spaced straight line arrays. The device can be handheld and can include a motor and a power source.