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Appeared the word “microphone” from greek, referring to a device capable to amplifying weak sounds
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Alexander Graham Bell, simultaneously with Alisha Gray, registered their patent called “Spoken Telegraph” that included a functional microphone which used an electromagnet.
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David Edward Hughes designed the microphone of “free contact” or “coal” that was not magnetic and was using conductive particles of coal that also used in the telephones.
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Was designed the first microphone of bobbin mobile. Patented in 1879.
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Was presented the first microphone of practical condenser.
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Georg Neumann founded his own company in Berlin, turning into the leader into special microphones for recording studios.
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Western Electric presents the first dynamic microphone, model 600 series 618.
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The brand RCA presents the first microphone of bidirectional tape: 44 ª of permanent magnet.
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It was founded AKG in Vienna, Austria (production and investigation of microphones).
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Neumann invented the U47, the first microphone of condenser with polar commutable bosses, transducer that was outlined as one of the elements of major influence in the recording studios.
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Started to appeared microphones of Asian production like the AT.1 and AT.3 MM that were using stereo capsules
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Was the year that the world knew the microphones of the so called Series 800 produced ones for Leeds's Audio-Technica Ltd, England.
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Audio-Technica presents the microphone with condenser to valves of recording studio called AT4060.
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Today exist microphones of all kinds that have been evolving each year according with the advances of technology. Now we have wireless microphones, of diadem, which get hooked up by the clothes, or enclosed microphones so small that they hide in any part, it is to say, that we have microphones for any exigency or activity. The microphones became part of our daily life, so much that they have been created the microphones of toy with the same technology but adapted to the infantile use.
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The microphone is a recent invention that in my opinion has had a good evolution and development, every new kind of microphone is better and better.
I think that is very interesting, people must had to investigated very much to discover a way of amplifying the sounds and don´t become distorted -
• CAPABLE: That can do something.
• PATENT: A set of exclusive rights that the State grants to an inventor for a certain period of time for the spreading and exploitation of his invention.
• COAL: Chemical element (C)
• BOBBIN: Component of an electrical circuit formed by a conductive thread isolated and wound repeatedly, in variable form according to his use.
• CONDENSER: Electrical component to increase the electrical capacity and the load without increasing the potential. -
• MAGNET: Mineral or metallic piece that has the property of attracting the iron, the steel and other bodies.
• COMMUTABLE BOSSES: Patrones conmutables
• EVOLVING: To develop or to transform.
• HOOKED: To seize a thing with a hook. -
