Haptic Communication via Gyroscope-Accelerometer Gesture Encoding
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Solution Overview
Problem
Current portable computing devices have limited capabilities in haptic communication, which restricts the effectiveness of haptic output interfaces.
Innovation Solution
The implementation of a gestural input system using a combination of a gyroscope and accelerometer to generate and transmit input gesture messages, allowing for enhanced haptic communication through the capture and encoding of gestures, including frequency, intensity, duration, and direction, and their subsequent haptic transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional haptic output interface is used, then device simplicity is maintained, but haptic communication capability is limited
Solution Approach 1:
The patent combines gyroscope and accelerometer sensors with the haptic output interface to create an integrated system. The gyroscope detects rotational gestures, the accelerometer detects linear motion gestures, and both feed into the haptic output controller which generates corresponding haptic feedback. This merging of multiple sensor types with the haptic interface enables rich gesture-based communication without requiring separate dedicated hardware systems.
Solution Approach 2:
The haptic output interface is designed to serve multiple functions: it provides tactile feedback for gesture recognition, communicates haptic messages to users, and enables versatile interaction modes including real-time navigation and communication. By making the haptic system multi-functional, the patent avoids adding separate dedicated systems for each function, thereby maintaining relative device simplicity while achieving high adaptability.
2Loss of information
If basic haptic vibration is used, then device complexity is low, but communication nuance and effectiveness are limited
Solution Approach 1:
The haptic output interface dynamically adjusts its characteristics based on the detected gesture. Different gestures (rotational vs. linear, different speeds, different intensities) produce different haptic feedback patterns including varying vibration frequencies, amplitudes, and durations. This dynamic response capability enables nuanced communication where the haptic feedback adapts to the specific gesture input, conveying rich information without requiring complex predefined message systems.
Solution Approach 2:
The system implements a closed-loop feedback mechanism where gestures detected by the gyroscope and accelerometer are immediately translated into corresponding haptic output messages. The haptic feedback provides real-time confirmation and communication of the detected gesture, creating an intuitive bidirectional interaction loop that enhances communication effectiveness while maintaining system simplicity through direct gesture-to-feedback mapping.
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
This method enables more nuanced and effective haptic communication, allowing users to recognize gestures and respond appropriately, providing a more subtle and versatile form of interaction, suitable for real-time navigation and communication during various applications.
Implementation Method 1
a gestural input system using a combination of a gyroscope and accelerometer
Implementation Method 2
a gestural input system using a combination of a gyroscope and accelerometer
Data Source
AI summary
A method of haptic communication at a wireless device is disclosed. The method may include receiving an input gesture and generating an input gesture message from the input gesture. The input gesture message may be operable for transmission to a receiving wireless device.