Wrist Rest with Vibration Isolation to Prevent Base Movement
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Solution Overview
Problem
Existing haptic feedback technologies in wrist rests cause discomfort and interference with user actions due to direct vibration transmission or contact, leading to potential wrist rest movement and instability.
Innovation Solution
A wrist rest design featuring a base structure, flexible supports, a vibration assembly with a vibration member and actuator suspended by flexible supports, and a cushion assembly that isolates the base from vibrations, allowing the vibration to be sensed indirectly through the cushion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the entire wrist rest vibrates to provide haptic feedback, then the haptic sensation is strong, but the wrist rest moves along the table surface and may fall off
Solution Approach 1:
The vibration function is segmented from the base structure through the use of flexible supports. Only the vibration assembly vibrates while the base structure remains stable on the table surface, preventing the wrist rest from moving or falling off.
Solution Approach 2:
The vibration function is extracted as a separate assembly that can vibrate independently from the base structure. This allows the haptic feedback to be generated without compromising the overall stability of the wrist rest on the table surface.
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
Delivers haptic feedback subtly without causing discomfort or interfering with user actions, maintaining wrist rest stability by isolating base vibrations and facilitating indirect sensation through the cushion.
Implementation Method 1
The at least two flexible supports are configured to isolate the base structure from a vibrating motion of the vibration assembly
Implementation Method 2
The vibrating motion of the vibration assembly may cause a surface of the vibration assembly directed towards the cushion assembly to move relative to a corresponding surface of the cushion assembly directed towards the vibration assembly
Data Source
AI summary
The wrist rest may include a base structure; at least two flexible supports extending from the base structure; a vibration assembly supported on the at least two flexible supports in a manner such that the vibration assembly may be spaced apart from the base structure; and a cushion assembly including a cushion disposed over the vibration assembly in a manner so as to conceal the vibration assembly between the base structure and the cushion. The cushion may be secured to the base structure. The at least two flexible supports may be configured to isolate the base structure from a vibrating motion of the vibration assembly. A surface of the vibration assembly directed towards the cushion assembly may move relative to a corresponding surface of the cushion assembly in a manner so as to allow the vibration motion of the vibration assembly to be sensed through the cushion.