Input Stick Buffer Structure for Quiet Voice Capture
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Solution Overview
Problem
Input devices used for video games often generate noise due to collisions between input members and other parts, particularly when a microphone is included, leading to interference with voice data.
Innovation Solution
The input device incorporates an exterior member with an opening, an input stick movable within the opening, and a buffer member made of a different material from the opening and input stick edges, which reduces noise generation by minimizing collisions and sound transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an input stick is made movable inside an opening for game control operations, then ease of operation is improved, but collision with the opening edges generates noise that deteriorates voice data quality
Solution Approach 1:
A buffer member is introduced as an intermediary component between the input stick and the opening edge. This buffer member absorbs collision impacts and prevents direct contact between the input stick and the opening edge, thereby eliminating noise generation while preserving the input stick's movability and operational functionality
2Object-generated harmful factors
If a buffer member is added to suppress noise generation, then noise reduction is achieved, but device complexity increases
Solution Approach 1:
The buffer member is constructed using a flexible material that can be formed into a thin-walled cylindrical shape matching the opening. This flexible shell structure provides effective noise suppression through material elasticity while maintaining a simple, compact form that integrates easily into the existing device without adding significant complexity
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
The design effectively suppresses noise generation during input operations, enhancing the quality of voice data acquisition and communication.
Implementation Method 1
a buffer member that is provided on one of an inner edge of the opening and an outer peripheral surface of the input stick and is made of a material different from a material of the inner edge of the opening and from a material of the outer peripheral surface of the input stick
Data Source
AI summary
Noise is prevented from occurring in voice data acquired by a microphone due to an operation of an input stick. An input device (10) includes an upper cabinet section (41) having an opening formed therein, an input stick (31) movable inside the opening, and a buffer member (46) that is provided on an inner edge of the opening of the upper cabinet section (41) and is made of a material different from a material of the inner edge of the opening and from a material of an outer peripheral surface of the input stick (31).