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The first wearable hearing aid using vacuum tube technology went on sale in England in 1936, and a year later in the United States. [5] By the 1930s, hearing aids were becoming popular to the public. [3] Multitone of London patented the first hearing aid to use automatic gain control. The same company introduced a wearable version in 1948. [1]
The first hearing aids were ear trumpets, and were created in the 17th century. Some of the first hearing aids were external hearing aids. External hearing aids directed sounds in front of the ear and blocked all other noises. The apparatus would fit behind or in the ear.
Often, things discovered for the first time are also called inventions and in many cases, there is no clear line between the two. German-born Albert Einstein, world-famous physicist. Germany has been the home of many famous inventors, discoverers and engineers, including Carl von Linde, who developed the modern refrigerator. [2]
During the 1990s, the company expanded further, buying the Swiss hearing aid manufacturer Bernafon, Phonic Ear, the headset manufacturer DanaCom and Interacoustics. In 1995, the company was listed on the Copenhagen Stock Exchange. In 1997, it was decided to change the name of the company from Oticon Holding A/S to William Demant Holding A/S ...
It was founded in 1904 by Hans Demant, whose wife was hearing impaired. The company claims to be the world's second-largest manufacturer of hearing aids, and uses a management style known as "spaghetti organization" [1] [2] introduced by Lars Kolind [3] [4] [5] under his leadership between 1988 and 1998. [6] [7] [8]
Hearing aids will be available over-the-counter for the first time in the United States starting next week, according to a University of Washington Medicine Oct. 12 press release.
The Oticon Real is an over-the-ear hearing aid that comes in two styles: behind-the-ear (BTE) with the receiver in canal (RIC) or behind-the-ear where the hearing aid hooks over the top of your ...
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