Cartilage Conduction Robot Hands for Intimate Human Communication
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Solution Overview
Problem
Current robots and robot systems face challenges in effectively communicating with humans, particularly in providing comfortable and safe interaction through vibration-based methods.
Innovation Solution
A robot system incorporating cartilage conduction vibration sources in hands or fingers to transmit vibrations to human ear cartilage, allowing for natural movement and communication, along with adjustable pressure and consent mechanisms to ensure comfort and safety, and the use of accessories for hygienic and widespread communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a robot uses traditional communication methods (speakers, displays), then communication functionality is achieved, but the level of intimacy and natural interaction is insufficient
Solution Approach 1:
The patent introduces cartilage conduction as an intermediary mechanism between the robot's voice output and the human ear. Instead of using traditional air conduction through speakers, the robot places a vibration source on the user's cartilage (ear or body), which then transmits the sound vibrations directly to the inner ear through the cartilage tissue. This intermediary approach creates a more intimate and natural-feeling communication channel while maintaining technical feasibility.
Solution Approach 2:
The patent replaces the traditional mechanical/acoustic system (speakers generating air pressure waves) with a direct mechanical vibration system. The vibration source generates mechanical vibrations that are conducted through solid cartilage tissue rather than propagating through air. This substitution enables more efficient energy transfer and creates a more intimate sensory experience for the user.
2Adaptability or versatility
If the robot places vibration sources on human cartilage for communication, then intimate communication is achieved, but user comfort and safety may be compromised due to contact pressure
Solution Approach 1:
The patent implements dynamic adjustment of the vibration source contact pressure parameters. The system can vary the amplitude, frequency, and intensity of vibrations based on user response and contextual requirements. Additionally, the contact force applied by the vibration source is controlled to remain within comfortable ranges, allowing the robot to maintain intimate communication while preventing discomfort or harm to the user's cartilage tissue.
Solution Approach 2:
The patent incorporates feedback mechanisms to monitor user response to cartilage conduction communication. The robot detects user reactions (such as movement, verbal feedback, or physiological responses) and adjusts the vibration parameters accordingly. This feedback loop enables the system to maintain optimal communication effectiveness while automatically reducing intensity or stopping when user discomfort is detected, thereby ensuring safety and comfort.
3Adaptability or versatility
If the robot uses multiple hands with vibration sources for stereophonic cartilage conduction, then communication quality improves, but the risk of restraining user movement increases
Solution Approach 1:
The patent divides the communication function into separate segments - each hand with its own vibration source can independently communicate with each ear or body location. This segmentation allows the robot to provide stereophonic or binaural communication by placing vibration sources on opposite sides of the user's body (e.g., both ears or both sides of the neck), creating spatial audio effects without requiring the hands to constrain the user's head or body movements. The segmented approach maintains user freedom while achieving enhanced communication quality.
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
Enables effective and comfortable communication with humans through cartilage conduction, providing a sense of intimacy and safety while maintaining hygiene and adaptability to various situations.
Implementation Method 1
a cartilage conduction vibration source which is provided in the hand and which conducts vibration to the ear cartilage of a human
Data Source
AI summary
Provided is a robot to which is disposed a cartilage vibration-transmission source, the robot being configured so that both hands of the robot are lain onto the face of a person or hold the back of the head, or so that one hand touches the cartilage of the ear. The relative positions of both hands touching the cartilage of both ears are maintained, but movement of the face is not restricted. The hands of the robot extend in the line-of-sight direction of the robot. The mouth of the robot is caused to move in conjunction with cartilage transmission audio. A limiter is applied to the touch pressure of the hands. Permission is sought before touching. Safety is confirmed before touching. When a malfunction occurs, touching with the hands is cancelled. The hands are warmed to the temperature of the human body.