Walking Aid Illumination System with Integrated Light Pipe
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Solution Overview
Problem
Existing mobility assistance devices, such as canes and sticks, lack effective hands-free lighting solutions for navigating dark areas, which can be uncomfortable and unsightly, and existing solutions do not provide reliable, aesthetically pleasing, and cost-effective options for increased safety.
Innovation Solution
A walking aid system with an elongated support shaft, a handle assembly, a shaft boot, and a selectable light source that emits ambient light, allowing users to choose from various colors and illumination configurations, powered by a DC power supply and rechargeable batteries, providing both safety and aesthetic benefits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a flashlight is carried for hands-free lighting, then lighting is provided, but the walker's hands are occupied and limited in use
Solution Approach 1:
The patent combines the lighting function with the walking aid by integrating a light source into the shaft of the walking aid. This merging of functions allows the device to provide both support and illumination without requiring separate handheld devices, thereby freeing the user's hands while providing lighting.
Solution Approach 2:
The walking aid is designed to perform multiple functions: it serves as both a mechanical support device and a lighting device. The light source is integrated into the walking aid shaft, enabling the single device to fulfill both mobility assistance and illumination needs, making it a multi-functional universal device.
2Illumination intensity
If a headlamp is used for hands-free lighting, then lighting is provided, but it becomes uncomfortable and unsightly in certain environments
Solution Approach 1:
The lighting function is extracted from the head (where headlamps are worn) and relocated to the walking aid shaft. This extraction removes the source of discomfort and aesthetic issues associated with headlamps while maintaining the hands-free lighting benefit. The light source is now positioned on the walking aid rather than on the user's head.
3Illumination intensity
If illuminated canes or umbrellas are used, then ambient light is emitted, but the existing solutions lack reliability and cost-effectiveness
Solution Approach 1:
The walking aid incorporates adjustable lighting modes including ambient lighting, focused lighting, and strobe modes. The system dynamically adapts its lighting output based on user needs and environmental conditions, enhancing reliability by providing appropriate illumination for different walking scenarios rather than a single fixed lighting mode.
Solution Approach 2:
The lighting parameters such as intensity, color temperature, and mode are made adjustable through a user interface. This allows optimization of lighting performance for different conditions, improving reliability by enabling the system to adapt to varying environmental and operational requirements rather than being constrained to fixed parameters.
4Illumination intensity
If a light source is integrated into the walking aid, then ambient light is emitted for safety, but the device complexity increases
Solution Approach 1:
The lighting components (light source, battery, control circuitry) are merged into the existing walking aid structure. Rather than adding a separate lighting device, the patent integrates all lighting functions within the walking aid shaft and handle assembly, minimizing additional complexity while achieving the desired ambient lighting effect.
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 walking aid system enhances safety and aesthetics by providing reliable, hands-free lighting for navigating dark areas while being cost-effective and adaptable to different environments and user needs, offering improved traction options and adjustable configurations for various users.
Implementation Method 1
a light source fixed to the elongated support shaft, the light source configured to emit ambient light from the elongated support shaft
Implementation Method 2
powered by a DC power supply and rechargeable batteries
Data Source
AI summary
An illuminated walking assistance apparatus. The illuminated walking assistance apparatus is made in the form of a staff having a light pipe in the lower portion thereof which provides diffused illumination in the immediate vicinity of the apparatus and at the same time, a bright light visible for a substantial distance to alert or signal others. A walking aid that may include an elongated support shaft to be used as a walking support. The length of the support shaft may extend between an upper end and a lower end. At the upper end of the elongated support shaft, the walking aid support may include a handle assembly that includes a hand grip. The walking aid may include a light source having a user interface that may be designed to selectably emit light outward from the elongated support shaft.