Haptic Feedback Device for Video Scene Sensation
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Solution Overview
Problem
Current haptic technologies are underdeveloped and primarily focused on rudimentary tactile presentation systems, failing to fully utilize the higher sensory resolution of touch to enhance user experience in entertainment and gaming, particularly for visually impaired individuals.
Innovation Solution
A haptic feedback device and method that generates haptic cues based on video content, using a combination of haptic elements and audio feedback to provide enhanced tactile experiences, allowing users to perceive visual information through touch and hearing, suitable for both visually impaired and sighted individuals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If rudimentary tactile presentation systems (raised dots or spikes) are used, then device complexity is reduced, but haptic sensation quality and user experience are insufficient
Solution Approach 1:
The haptic feedback device divides the tactile output surface into multiple independent actuator elements that can be individually controlled. Each actuator can generate specific haptic patterns at different locations, enabling complex tactile presentations while maintaining manageable system architecture through modular segmentation of the haptic interface.
Solution Approach 2:
The patent transitions from traditional 2D visual display to 3D tactile feedback by incorporating depth and spatial variation in haptic elements. Multiple actuators arranged in arrays create dimensional tactile patterns that represent visual information through touch, adding a new sensory dimension for information presentation.
2Adaptability or versatility
If vision-based interaction technology is focused on, then ease of operation is maintained, but adaptability for visually impaired users and enhanced user experience are limited
Solution Approach 1:
The haptic feedback device creates a universal interface that serves multiple user needs simultaneously. The same tactile presentation system benefits both visually impaired users by providing accessible information through touch, and sighted users by enhancing their interaction experience, making the system universally applicable across different user groups without requiring separate systems.
Solution Approach 2:
The haptic feedback device acts as an intermediary that translates visual information from the display into tactile sensations. This mediation converts optical data into mechanical vibrations and pressure patterns, enabling visually impaired users to access visual content through touch while maintaining the original visual display for sighted users.
3Measurement precision
If the sense of touch is underutilized, then device complexity remains low, but sensory resolution and user experience are compromised
Solution Approach 1:
The haptic feedback system employs dynamic actuation where actuators can change their output characteristics in real-time based on the displayed content. The system dynamically adjusts vibration frequency, amplitude, and spatial distribution to match the temporal and spatial characteristics of visual information, enabling high-fidelity tactile representation that adapts to different scenarios.
Solution Approach 2:
The system incorporates feedback mechanisms where the haptic output is synchronized with and responsive to the visual display content. This feedback loop ensures that tactile sensations accurately reflect changes in visual information, creating a cohesive multi-sensory experience where touch and sight are integrated through real-time coordination.
Data Source
AI summary
A haptic feedback device for providing haptic sensation comprises a haptic feedback interface that includes a plurality of haptic elements. The haptic feedback device detects a speed and a direction of travel associated with a plurality of moving objects in an upcoming scene of a video based on a look-ahead buffer of the video played on an external display device or the haptic feedback device. A haptic feedback is determined for the upcoming scene of the video based on the look-ahead buffer of the video and the detected speed and direction of travel associated with the plurality of moving objects. One or more movable haptic cues are generated on the haptic feedback interface using the plurality of haptic elements in synchronization with a current scene played on the external display device or the haptic feedback device, based on the determined haptic feedback.