I can tell you from experience that having a computer or other electronic device with a lot of fans inside can get very annoying. The fans generally produce enough of a hum that it sounds like a small jet airplane in the room. A new type of fan has debuted from RotoSub that promises to keep electronics cool and quiet at the same time.
The fans use active noise cancellation tech. Typically, any active-noise cancellation product requires a mic to hear the noise being made and then speakers to create the opposite wave to cancel the sound out. In the RotoSub fan design there is no microphone or speaker.
The fan blades are canted exactly to the right direction that they produce their own anti-sound wave to cancel the sound produced. All the person with a computer using these fans would hear is the sound of air moving through the fan.
How Active Noise Cancellation Works
Active noise cancellation (ANC) is a technology that has been widely used in various applications, from headphones to industrial machinery. The basic principle involves detecting the noise with a microphone and then generating a sound wave that is the exact opposite (or “anti-phase”) of the detected noise. When these two sound waves meet, they effectively cancel each other out, resulting in a significant reduction in the perceived noise level.
In traditional ANC systems, microphones and speakers are essential components. The microphone picks up the ambient noise, and the speaker emits the anti-noise wave. This method has proven effective in many scenarios, but it also adds complexity and cost to the design.
RotoSub’s Innovative Approach
RotoSub has taken a different approach to noise cancellation in their fan design. Instead of relying on external microphones and speakers, RotoSub has engineered the fan blades themselves to produce the anti-noise wave. This is achieved by precisely angling the blades so that they generate sound waves that counteract the noise produced by the fan.
This innovative design has several advantages. First, it simplifies the overall construction of the fan, as there are no additional components like microphones or speakers. This can potentially reduce the cost and increase the reliability of the fan. Second, it ensures that the noise cancellation is always perfectly synchronized with the noise being produced, as both are generated by the same source—the fan blades.
Applications and Benefits
The potential applications for RotoSub’s noise-cancelling fans are vast. In the realm of consumer electronics, quieter fans can significantly enhance the user experience. For instance, in a gaming PC, where multiple high-speed fans are often required to keep the system cool, the noise can be quite distracting. RotoSub fans could make these systems much quieter, allowing gamers to focus on their gameplay without the constant hum of fans in the background.
In addition to consumer electronics, these fans could be beneficial in industrial settings where large cooling systems are required. Reducing noise pollution in such environments can improve working conditions and even comply with noise regulations in certain jurisdictions.
Moreover, quieter fans can also be advantageous in office environments, where multiple computers and servers are often running simultaneously. Reducing the ambient noise can create a more pleasant and productive workspace.
Future Prospects
As technology continues to advance, the demand for quieter and more efficient cooling solutions is likely to grow. RotoSub’s innovative approach to noise cancellation could pave the way for new developments in this field. Future iterations of these fans might incorporate additional features, such as variable speed control and smart sensors, to further enhance their performance and adaptability.
In conclusion, RotoSub’s noise-cancelling fans represent a significant step forward in cooling technology. By eliminating the need for external microphones and speakers, these fans offer a simpler, more reliable, and potentially more cost-effective solution for reducing noise in various applications. Whether in consumer electronics, industrial settings, or office environments, the benefits of quieter fans are clear, and RotoSub’s innovative design is poised to make a substantial impact.
via GizMag
Latest Geeky Gadgets Deals
Disclosure: Some of our articles include affiliate links. If you buy something through one of these links, Geeky Gadgets may earn an affiliate commission. Learn about our Disclosure Policy.
