Haptic Touch Panel Vibration Isolation via Counter Mass
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Solution Overview
Problem
Electronic devices with haptic feedback often experience unwanted vibrations that can lead to collisions between the device housing and the body, as the haptic feedback vibrations are not effectively isolated from the housing.
Innovation Solution
The electronic device incorporates a counter mass and an elastic plate connected to both the haptic touch panel and the housing, allowing the counter mass to counteract vibrations of the haptic touch panel, thereby preventing these vibrations from being transmitted to the housing through the use of an actuator and elastic members that provide one degree of freedom movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If haptic feedback is provided through vibration, then user experience is enhanced, but unwanted vibration is transmitted to the housing causing potential collision
Solution Approach 1:
A counter mass is introduced that moves in opposition to the haptic touch panel's vibration. The counter mass is connected through elastic plates to the housing, creating a counterbalancing effect that cancels out the vibrational forces transmitted to the housing, thus eliminating the harmful vibration transmission while preserving the haptic feedback function.
Solution Approach 2:
Elastic plates are introduced as intermediary elements between the haptic touch panel, counter mass, and housing. These elastic plates allow controlled movement and vibration isolation, mediating the interaction between the vibrating components and the housing to prevent direct vibration transmission while maintaining structural connection.
2Object-affected harmful factors
If counter mass is added to counteract vibration, then vibration isolation is improved, but device complexity increases
Solution Approach 1:
The counter mass and elastic plates are integrated into the existing housing structure, merging the vibration isolation function with the device's structural components. This combination approach reduces overall complexity by eliminating separate vibration isolation subsystems and utilizing the housing itself as part of the vibration counteraction mechanism.
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 configuration effectively isolates haptic feedback vibrations from the housing, ensuring that the device remains stable and reducing the risk of collisions by allowing the counter mass to move in opposition to the haptic touch panel, thus maintaining the housing's stability.
Implementation Method 1
an elastic plate including a first portion connected to the haptic touch panel, a second portion connected to the counter mass, and a third portion connected to the housing
Implementation Method 2
a counter mass... allowing the counter mass to counteract vibrations of the haptic touch panel
Data Source
AI summary
An electronic device includes a haptic touch panel including a touch surface, a housing, a counter mass, an actuator and an elastic plate. The actuator is connected to the haptic touch panel. The elastic plate includes a first portion connected to the haptic touch panel, a second portion connected to the counter mass, and a third portion connected to the housing.