A microcontroller based electronic hearing aid ....etc

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 Hi am Moumi
 i would like to get details on biology investigatory projects for class 12 on aids ..My friend Justin said biology investigatory projects for class 12 on aids will be available here and now i am living at ......... and i last studied in the college/school ......... and now am doing ....i need help on ......etc ....etc

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Normally, hearing aid circuitsconsume battery powercontinuously once they areswitched on. The circuit given heresaves battery power by switchingon the sound amplifier section only when sound is detected. The sensitivityof the detection section and the‘on’ time duration of the sound amplifiercircuit can be set by the user.Also the circuit uses only a singlecondenser mic for sound detectionand amplification.As is clear from the above, thishearing aid consists of a condensermicrophone, earphone, and sounddetection and ampl ....etc

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The method of finding the location of moving Automatic Guided Vehicles (AGV) in pre-defined areas is by Distance Measurement Equipment (DME) which is based on ultrasound and triangulation technique. To reduce error,the ultrasound transmitter needs to be within the line of sight of the receiver. To get rid of this problem, powerful transmitters are used to ensure omni-directional transmission over large distances, which results in cone-shaped propagation..The new system shows that the vehicle can be more flexible, and angular restrictio ....etc

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I WANT TO DOWNLOAD SEMINAR PPT ON HEARING AID TECHNOLOGY USING VLSI TECHNOLOGY ....etc

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i need documents on hearing aid tooth using vlsi ....etc

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ABSTRACT
It is reported that millions of people are suffering from some kind of hearing impairment. The number is climbing due to the increasing portion of elderly people in the worldâ„¢s population. While hearing loss is usually caused by permanent mechanical damage to the ear, there is no medicine to reverse it, as surgery offers little help.
Thus the electronic hearing aid or prosthetic are the best known solutions to the patients. Hence a neurofuzzy approach for devices that combine neural networks and fuzzy logic t ....etc

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Sir,
I need ppt on hearing aid using vlsi tooth technology ppt. ....etc

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Overview
Acquired immunodeficiency syndrome (AIDS) is the final and most serious stage of the disease caused by the human immunodeficiency virus. Symptoms begin when an HIV-positive person presents a CD4-cell (also called T cell, a type of immune cell) count below 200. AIDS happens concurrently with numerous opportunistic infections and tumors that are normally associated with the HIV infection.

The most common neurological complications of AIDS involve opportunistic infections of the brain such as progressive multifocal leucoencephalopathy ....etc

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Visual aids significantly improve the interest of a presentation. However, they must be relevant to what you want to say. A careless design or use of a slide can simply get in the way of the presentation. What you use depends on the type of talk you are giving.

Here are some possibilities:

*) Overhead projection transparencies (OHPs)

*) 35mm slides

*) Computer projection (Powerpoint, applications such as Excel, etc)

*) Video, and film,

*) Real objects - either handled from the speaker's bench or passed around

*) Flip~chart ....etc

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