Vision-Assist Device Thermal Feedback for Crowded Environments
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Solution Overview
Problem
Blind or visually impaired individuals face challenges navigating unfamiliar environments due to limitations in existing auditory and vibratory feedback systems, which may not function effectively in crowded or loud spaces.
Innovation Solution
A vision-assist device that utilizes thermal feedback, generated by processors and heating elements, to provide environmental information and non-visual commands, allowing users to perceive information through temperature changes, thereby enhancing navigation and communication with the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If auditory or vibratory feedback systems are used to provide environmental information to blind or visually impaired persons, then information communication is enabled, but the system becomes ineffective in crowded or loud spaces
Solution Approach 1:
The patent introduces thermal feedback as a fourth dimension of communication alongside auditory, vibratory, and visual channels. Heating elements provide tactile thermal signals that communicate environmental information independently of acoustic conditions, enabling reliable operation in crowded or loud spaces where auditory feedback fails.
Solution Approach 2:
The patent employs thermal energy as an intermediary medium to transfer information from the sensing devices to the user. The heating elements convert electrical signals into thermal signals that the user can perceive through skin contact, serving as a mediator that bridges the gap between digital environmental data and human sensory perception.
2Loss of information
If multiple feedback channels (auditory, vibratory) are used to communicate information, then information availability increases, but the device complexity increases
Solution Approach 1:
The thermal feedback system uses the same processor and sensing devices that control auditory and vibratory feedback, adding heating elements as a multi-functional output channel. This universal approach allows a single system to provide multiple types of feedback using shared components, reducing overall complexity while maintaining information availability.
Solution Approach 2:
The patent combines the control logic for multiple feedback channels into a single processor system. The same sensing devices and processing unit that manage auditory and vibratory feedback also control thermal output, merging functions to reduce component count and simplify system architecture while providing diverse feedback modalities.
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 thermal feedback system enables effective communication and navigation in environments where auditory or vibratory feedback is inadequate, providing additional dimensions of information to assist blind or visually impaired individuals in navigating their surroundings.
Implementation Method 1
One or more heating elements are provided that are operable to produce the thermal feedback
Data Source
AI summary
Embodiments of the present disclosure are directed to vision-assist devices and methods. In one embodiment, a vision-assist device includes one or more processors, one or more memory modules communicatively coupled to the one or more processors, and one or more sensing devices communicatively coupled to the one or more processors and operable to sense an environment. Machine readable instructions stored in the one or more memory modules cause the one or more processors to: receive environmental information from the one or more sensing devices; and generate a thermal feedback signal regarding a subset of the environmental information acquired by the one or more sensing devices. One or more heating elements are communicatively coupled to the one or more processors and produce thermal feedback in response to receipt of the thermal feedback signal. The thermal feedback is indicative of the subset of environmental information.