Extended Safety Light Bar for Cyclists
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Solution Overview
Problem
Existing safety lights for bicyclists and runners are insufficient in size, visibility, and lumens, failing to effectively convey the safe passing distance to motorists, leading to increased collision risks, especially at night and during daytime usage.
Innovation Solution
A novel safety light system featuring an extended light bar attached to the bicycle or runner, providing increased visibility with adjustable LED lights that signal safe passing distance, 360-degree visibility, and collision sensors to alert athletes of impending dangers, with options for different light sequences and brightness levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If traditional safety lights are used, then the device is simple and easy to manufacture, but the visibility and lumens are insufficient to effectively convey safe passing distance to motorists
Solution Approach 1:
The patent extends the safety light from a traditional point-source or small bar configuration into a three-dimensional spatial arrangement by projecting light in multiple directions (front, rear, and lateral) and at varying heights. This dimensional expansion creates a volumetric light pattern that occupies more visual space, thereby enhancing visibility and conveying distance information to motorists without requiring a proportionally larger physical device.
Solution Approach 2:
The safety light system is divided into multiple independent light sources or segments arranged in specific spatial configurations. Each segment can be controlled independently to create different visual patterns that communicate safe passing distance. This segmentation allows the system to achieve high illumination intensity and directional control while maintaining manufacturing simplicity through modular assembly.
2Loss of information
If traditional safety lights are used, then the device structure is simple, but the safe passing distance cannot be effectively communicated to motorists
Solution Approach 1:
The patent employs different light colors or color combinations to encode specific safety information. For example, certain colors may indicate safe passing zones while others warn of hazardous areas. This color-coding system efficiently communicates complex distance and safety information without requiring additional physical indicators, thereby reducing device complexity while improving information transmission.
Solution Approach 2:
The safety light system uses periodic or pulsing light patterns to draw motorist attention and convey distance information. By modulating the light at specific frequencies or patterns, the system can encode safe passing distance information in a way that is easily detectable and interpretable by motorists, enhancing information communication without increasing structural complexity.
3Illumination intensity
If safety lights are only visible from the rear, then the device structure is simple, but the visibility is limited and does not provide 360-degree awareness
Solution Approach 1:
The safety light device is designed to perform multiple functions simultaneously: it provides rear visibility for following traffic, lateral visibility for passing vehicles, and potentially front visibility for oncoming traffic. By integrating multi-directional lighting capabilities into a single device, the system achieves comprehensive 360-degree awareness while maintaining structural efficiency and avoiding the need for separate lighting systems for each direction.
Solution Approach 2:
The patent transitions from unidirectional (rear-only) or bidirectional (front and rear) lighting to three-dimensional omnidirectional lighting. By arranging light sources in a spatial configuration that emits light in all directions around the athlete, the system achieves complete visual coverage without requiring an excessively complex structure, as the light propagation itself provides the dimensional coverage.
4Illumination intensity
If small safety lights are used, then the device is compact and easy to attach, but the lumens and visibility are insufficient to alert motorists at night or during daytime
Solution Approach 1:
The patent achieves high lumens and visibility without increasing weight by transitioning from a two-dimensional surface light source to a three-dimensional volumetric light pattern. By arranging multiple light sources in space and utilizing light reflection, refraction, and scattering principles, the system creates an expanded visual footprint that appears larger and brighter to motorists without requiring a proportionally larger or heavier physical structure.
Solution Approach 2:
The safety light system incorporates reflective or refractive intermediary elements that amplify and redirect light from compact LED sources. These intermediaries (such as reflective surfaces, lenses, or diffusers) multiply the effective lumens output without requiring additional power or weight, thereby achieving high visibility while maintaining a compact, lightweight device suitable for athlete attachment.
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
The system significantly reduces collision risks by making motorists aware of the safe passing distance, enhancing visibility both day and night, and providing athletes with timely warnings to maneuver away from hazards, thereby improving safety and reducing injuries and fatalities.
Implementation Method 1
an elongated safety light which extends outwardly from either the rear or the front of a bicycle... LED lights are positioned in a light bar extending outwardly
Data Source
AI summary
The present invention provides various aspects of a novel safety light that can be attached to a bicyclist or around the body of an athlete so as to define a well lit, safe distance to avoid collision by a motorist. The present safety concerns would find advantage in an easy to attach safety light that is much larger, more conspicuous and one that provides greater lumens. It would be desirable for athletes and the sports industry if there was provided an improved safety light system to provide a significant warning to let motorists know the safe distance that any motorist and/or his vehicle needs to avoid so as not to hit the cyclist or athlete.