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A hearing loop consists of one or more physical loops of cable which are placed around a designated area, usually a room or a building. The cable generates an electromagnetic field throughout the looped space which can be picked up by a telecoil-equipped hearing aid, a cochlear implant (CI) processor, or a specialized hand-held hearing loop receiver for individuals without telecoil-compatible ...
An audio induction loop, also known as a hearing loop, provides assistance to hearing aid users. The system has one or more loops in the area in which a hearing aid user would be present. Such an induction loop receiver is classically a very small iron-cored inductor . The system commonly uses an analog power amplifier matched to the low ...
Telecoils or T-coils (from "Telephone Coils") are small devices installed in hearing aids or cochlear implants. An audio induction loop generates an electromagnetic field that can be detected by T-coils, allowing audio sources to be directly connected to a hearing aid. The T-coil is intended to help the wearer filter out background noise.
A common usage is to aid people who are hard of hearing (HOH) by amplification and providing a better signal to noise ratio (SNR). The ALD may be used to help HOH people hear televisions [1] and other audio devices, [2] or to help people hear speech through public address or sound reinforcement systems, such as in places of worship or lectures.
Pupin coils in PTT Museum in Belgrade (Serbia). A loading coil or load coil is an inductor that is inserted into an electronic circuit to increase its inductance.The term originated in the 19th century for inductors used to prevent signal distortion in long-distance telegraph transmission cables.
Low-frequency induction can be a dangerous form of inductive coupling when it happens inadvertently. For example, if a long-distance metal pipeline is installed along a right of way in parallel with a high-voltage power line, the power line can induce current on the pipe. Since the pipe is a conductor, insulated by its protective coating from ...
An implantable loop recorder (ILR), also known as an insertable cardiac monitor (ICM), is a small device that is implanted under the skin of the chest for cardiac monitoring, to record the heart's electrical activity for an extended period.
One of the first products that used the endless tape technology was the Audio Vendor from 1952, an invention of Cousino's. [2] It was registered as patent US2804401A. The tape is passed through an inner ring of loose tape reel , where the recording is stored, and looped back through the outer ring of the reel.
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