Restroom Fixture Navigation Using Audio and Tactile Cues
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Solution Overview
Problem
Individuals with vision impairments face challenges navigating public restroom facilities due to varying layouts, making it difficult to locate unoccupied toilets, sinks, soap dispensers, paper towels, trash cans, and exits, which can prevent them from accessing public places.
Innovation Solution
A navigation system that provides audio or tactile feedback to assist vision-impaired individuals in locating specific fixtures in public restrooms, using sensors and communication devices like smartphones or canes to indicate the location and occupancy status of fixtures, allowing users to navigate independently and avoid obstacles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If public restroom facilities are designed with various layouts and configurations, then the restroom can accommodate different user needs and preferences, but people with vision impairments face difficulty locating fixtures and navigating the space
Solution Approach 1:
The patent introduces an intermediary navigation system comprising audio signals, tactile feedback devices, and occupancy sensors that mediate between the restroom environment and vision-impaired users. These intermediaries provide spatial information and fixture location data without requiring visual perception, thus resolving the contradiction between layout versatility and navigation ease.
Solution Approach 2:
The patent replaces the visual-mechanical navigation system (relying on sight and physical exploration) with an audio-electronic navigation system. Audio signals and tactile feedback substitute for visual cues, enabling vision-impaired users to locate fixtures and navigate restroom spaces effectively despite varied layouts.
2Ease of operation
If audio or tactile feedback systems are installed to assist vision-impaired users, then navigation capability is improved, but device complexity and installation requirements increase
Solution Approach 1:
The patent employs universal components such as standard audio speakers, occupancy sensors, and tactile feedback devices that can be integrated into existing restroom fixtures. These multi-functional elements serve both aesthetic and navigational purposes, reducing overall system complexity while maintaining effectiveness.
Solution Approach 2:
The navigation system is designed to be self-regulating through occupancy sensors that automatically detect fixture usage and adjust audio/tactile feedback accordingly. This self-service mechanism reduces the need for complex control systems and manual intervention, simplifying the overall device architecture.
Data Source
AI summary
The technology disclosed herein includes a navigation system for a visually impaired person to navigate a public restroom. The navigation system may include a plurality of fixtures, a plurality of installations, wherein each installation is electronically connected to a fixture, and an electronic device, the electronic device configured to receive auditory or tactile signals from each installation and produce a signal indicative of a fixture location. The plurality of fixtures may include a toilet, a urinal, a sink, a soap dispenser, and a hand drying apparatus.