Helical Silicone Thread Drip Control for Boom Microphones
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Solution Overview
Problem
Existing drip control devices for boom microphones are ineffective in preventing perspiration from reaching the microphone, leading to potential damage due to capillary effects, despite using silicone disks that often fail to reliably divert sweat droplets.
Innovation Solution
A silicone thread or elongated hollow cylinder with a specially structured outer jacket surface is used, forming larger drops that are more likely to drip off due to inertial forces, rather than continuing along the boom, and is designed for easy mounting and replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If small silicone disks are used to divert sweat droplets, then the device structure is simple, but the reliability of preventing perspiration from reaching the microphone is insufficient
Solution Approach 1:
The patent applies curvature by using a helical spring structure instead of a flat disk. The coiled geometry creates multiple contact points and a three-dimensional surface that effectively redirects sweat droplets away from the microphone, improving reliability while maintaining simplicity.
Solution Approach 2:
The elastic element acts as an intermediary between the sweat droplet and the microphone. It provides a compliant surface that can adapt to droplet size and direction, mediating the interaction to reliably divert perspiration without requiring complex mechanical structures.
2Ease of repair
If silicone disks are used to stop sweat flow, then mounting is straightforward, but replacement is cumbersome and frequently neglected
Solution Approach 1:
The elastic element provides dynamic functionality, allowing the drip control device to adapt to different sweat droplet sizes and flow directions. This dynamic characteristic maintains effectiveness over time and simplifies replacement since the elastic nature allows for easy insertion and removal without precise alignment requirements.
3Object-affected harmful factors
If the microphone opening is small to reduce visibility, then the aesthetic appearance is improved, but capillary effects make it more susceptible to perspiration entry
Solution Approach 1:
The drip control device performs preliminary anti-action by intercepting and diverting sweat droplets before they can reach the microphone opening. The elastic element creates a barrier that actively counteracts the harmful capillary effects by preventing droplet contact with the small opening in the first place.
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 solution effectively prevents sweat from entering the microphone by leveraging inertial forces over surface forces, ensuring reliable operation and simplifying maintenance by allowing easy replacement of the drip control device.
Implementation Method 1
a drop of considerable size is formed so that, during the movement of the user, the inertial forces which promote dripping are by far greater than the surface forces which promote a continued flow of the drop along the boom
Implementation Method 2
the inertial forces which promote dripping are by far greater than the surface forces which promote a continued flow of the drop along the boom
Implementation Method 3
the opening of which, though located on the side facing away from the boom, is usually smaller than the bead of perspiration so that, because of capillary effects, it is highly possible for the beads of perspiration to enter into the microphone
Data Source
Figure 1~2
Figure 3~5
Figure 6~8
AI summary
The subject matter of the present invention relates to a drip control device (5) for a boom microphone (1), the drip control device (5) for installation around the boom (2) at a distance from the microphone (3). To improve the dripping off of e.g. beads of perspiration, the drip control device (5), measured in the direction of the boom, has a length (L) and, measured in the direction perpendicular to the boom, a length (D), and that with respect to the ratio of these dimensions, the following rule holds true: L/D > 1. This drip control device (5) preferably consists of a silicone thread that is wound around the boom in a helical manner, or of an elongated hollow cylinder with a specially structured outer jacket surface, such as varied kind of grooves, nubs, ribs, ridges, wells, dents, indentations and other structural elements. The material to be used can be silicone identical to that of the prior-art drip control disks.