Electronic Stethoscope-2

Assembly:

1) Assemble the circuit using Veroboard (stripboard) or a PCB.
2) Use a shielded cable for the microphone as shown on the schematic.
3) Fasten the microphone to the stethoscope head with a rubber isolating sleeve or use a short piece of rubber tubing on its nipple. A thick jar lid can be used as a stethoscope head. The microphone must be spaced away from the skin but the stethoscope head must be pressed to the skin, sealing the microphone from background noises and avoiding acoustical feedback w ....etc

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ELECTRONIC STETHOSCOPE



objective:

The aim of technology is to make products in a large scale for cheaper prices and increased quality. Stethoscopes are not only useful for doctors, but for home mechanics, exterminators, spying etc. Standard stethoscope provides no amplification which reduces its use for a certain extent .But an ELECTRONIC STETHESCOPE uses op-amps to amplify the signal and includes a low pass filter to remove background noise.

CIRCUIT DESCRIPTION
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i want abstract of 'Electronics Stethoscope mini project'
with ckt dig,application,advanages ....etc

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sir ,
m workin on dis project ..i just need to knw abt d audio- video output..if u have waveform of video output or any pdf or ppt ragarding it..please mail me on my email-id [email protected].. ....etc

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To get full information or details of book bank please have a look on the pages

http://seminarsprojects.net/Thread-AN-ONLINE-BOOK-BANK-MONITORING-SYSTEM

if you again feel trouble on book bank please reply in that page and ask specific fields in book bank ....etc

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Abstract Test card for color TV is a widely used method to evaluate the quality of a TV set directly. We have made a test signal generator (which can also generate synchronizing (abbreviated to sync hereafter) signals) mainly based on microprocessor Z-80. Taking the advantage of microprocessor programming, combining with the technique of microprocessor, digital circuits and analogue devices, we use software as far as possible to generate signals directly or to simplify the controlling circuits. Those signals, such as composite sync signal, bla ....etc

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I need circuit diagram of electronics stethoscope because of my project..i have an challenge to build a instrument that caunt our heart beat and send to digital display plz give me circuit diagram ....etc

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mems microphone stethoscope schematic

Abstract

This article is devoted to the investigation of MEMS microphone characteristics as an acoustic transducer of the electronic stethoscope. STMicroelectronics digital microphone MP45DT02 parameters were considered and significant physiological sounds were recorded. Also data obtained from MEMS and analog microphones were compared.The traditional acoustic stethoscope has been in use for nearly 200 years, changing very little over that time. As one of the most important diagnostic tools in a doctor s ....etc

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seminar report for a voice input voice output communication aid for people with severe speech impairment

Abstract
Abstract A new form of augmentative and alternative communication (AAC) device for people with severe speech impairment the voice-input voice-output communication aid (VIVOCA) is described. The VIVOCA recognizes the disordered speech of the user and builds messages, which are converted into synthetic speech. System development was carried out employing user-centered design and development methods, which identified and refined ke ....etc

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