The Future of Audio Speakers and Sound
If you love sound and tune, you understand that the excellent of the speaker is one of the main factors that decide the great of the sound. Speakers have not seemed to change as many different things in our lives, including computer systems and cell telephones; however, are they unchanging? To discover, you can explore the modern-day patents awarded inside the critical place of sound speakers. Foreign inventors and overseas nations are the most commonplace winners of sufferers, specifically from Asian international locations. This turned into no longer only actual application patents, which cover enhancements in an audio system, but additionally, design patents, which cover the artistic designs of speaker cabinets.
A short assessment of speaker shape enables us to see where ultra-modern improvements are being made. The sound-generating mechanism of the speaker is held in the vicinity by a body. The body includes a basket, a smooth donut-shaped gasket, and two plates carrying the magnet’s weight. There are seven components of this mechanism. These elements are the magnet, the metal center, a voice coil wrapped around a lightweight bobbin, the cone, or the diaphragm. The voice coil and cone/diaphragm are unitary assemblies held in position through a speaker surround and the spider (also known as a damper). When the present-day flows through the voice coil, it is driven forward by electromagnetic pressure.
Out of the 27 software patents beyond 18 months, the finest range belongs to the voice coil, which has eight. The component with the subsequent most innovation is the cone (additionally called a diaphragm), 6. The third is the spider (also referred to as a damper), with four innovations. Followed by using those are the basket (2), magnet (2), gasket (1), horn (1), and surround (1). A dust cap (1) patent was issued for dispersing pressure waves with less interference. The dominance of voice coil patents would prove this is crucial because electric energy is converted into mechanical power to push air.
In addition to innovations centered on components, ten application patents worried about the essential restructuring of the speaker. Examples of this include the use of bar magnets or voice coils embedded within the cone. In truth, most of the people’s innovations involving average speaker shapes were for flatter audio systems. A huge research and engineering attempt to grow flat speakers became a clear trend in the past 18 months. This all factors into one thing: the future speaker becomes dull. At least, that’s what the producers assume. This is probably primarily based on marketplace studies that show clients vying for the balanced audio system to go together with their flat-panel TVs.
An example of innovation in flat speakers comes from a patent using Sony. This design produces a speaker that can be five toes tall and 3 feet long, and the sound is generated using vibration motors that push a nonporous fabric. There is no voice coil and no cone. The Sony patent uses rack and pinion gears to adjust the vibration region for the surest sound material. We all want our flat-panel TVs, and within destiny, we can also all want our flat-panel audio system.
Freelance inventing is not dead. The clean leaders in speaker innovation are freelance inventors and the Pioneer Company (Table 1). Combined, those two comprise 41% of all new utility patents in the past 18 months. Following those leaders are Sony, Matsushita, and the collaboration of Pioneer Co. And Honda Co., in order of the number of patents. These latter agencies make up 26% of all new utility patents. All the patents were presented to earnings entities, except one lone patent awarded to National Taiwan University.
Design patents are, in most cases, for the appearance of speaker cabinets, giving the inventor rights to a certain form of the speaker appearance. Standard speaker cupboard designs had a clear lead over the opposite sorts with a frequency of 9 patients in the 365 days. The design patents are for home theatre shelves, vehicle speakers, faraway acoustic hailing devices, iPod docking stations, and direction PC audio systems. Other types include microphone shields, transportable speakers, subwoofer enclosures, tweeter enclosures, or speaker stands. The pinnacle five layouts above account for fifty-nine % of the speaker designs.
Of the patents with just design patents, fifty-seven % had been for simply only one speaker, 57.1%. Designs with two audio systems had 26.5% of the patents, with fewer patents involving more than the audio system. The design with the most important quantity of audio system had eight. This speaker uses Moog Inc for a far-flung acoustic-hailing device. These military devices are for turning in audible warning messages to ability threats at stand-off distances.
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Even though the two leaders are overseas, there were three home organizations within the top six for speaker design patents, which is great for American engineers to look at. The main businesses within the speaker design patents had been Sony in the top slot, observed by Samsung, SDI Technologies Inc., Moog Inc., Hosiden, and Panasonic. These six agencies accounted for 69% of the speaker patents within twelve months. At.
One discouraging aspect of the latest speaker patents for American engineers is the predominance of patients with the aid of overseas inventors over that of home inventors. The percentage of domestic application patents for audio systems turned into a measly eleven. Out of the 27 patents that have been reviewed, 24 have been foreign, while the handiest 3 were home.
The tale is similar to speaker layout patents that target speaker enclosures, with forty-three % of speaker design patents going to domestic inventors. Although American inventors no longer account for most of the people who patent speaker design, it’s clear that they are more interested in speaker design than in speaker characteristics. Today’s electromagnetic speaker has had the same structure since it became patented in 1875 via Alexander Graham Bell. The trusty speaker might not have beenthe goal of radical technical inventions for some time; however, the newest patents show that revolutionary design and performance upgrades may be our destiny.