Sir,
I need ppt on hearing aid using vlsi tooth technology ppt. ....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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Abstract
This presentation describes a new valveless micropump for bidirectional use. The micropump was fabricated by bonding a fluidic channel and a membrane actuator. The fluidic channel was etched on a glass substrate and the membrane actuator was made on a silicon wafer. The membrane is actuated by a piezoelectric ceramic (PZT) plate so that the membrane generates blowing and suction flows successively along an oblique channel which is connected to the main channel. A blowing flow from an oblique channel into the ma ....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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A microcontroller based electronic hearing aid ....etc

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hearing aid device using vlsi tooth technology ....etc

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

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

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Introduction
A number of different micropumps have been developed over the last decades. Among the various kinds of working principles, the micropump using membrane actuation is known as a promising approach. Therefore, a lot of membrane micropumps have been studied with various actuators. The valve is another issue for the development of micropumps. Since a piezoelectric micropump with check valves was first presented by Van Lintel et al. , passive or active check valves have been widely used for micropumps. The micropump with check valves ....etc

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my project is smart hearing aid so please send the ppt as soon as possible ....etc

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