A transistor is a semiconductor device used to amplify



A transistor is a semiconductor device used to amplify and switch electronic signals. It is made of a solid piece of semiconductor material, with at least three terminals for connection to an external circuit. A voltage or current applied to one pair of the transistor's terminals changes the current flowing through another pair of terminals. Because the controlled (output) power can be much more than the controlling (input) ....etc

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A Linux Device Driver for USB to USB Direct Link Device

The first version of the Universal Serial Bus (USB) specification was released in January 1996. In April 2000, version 2.0 of the USB specification, which supports transfer rates up to 480 Mbps, was released. Because of its low cost, high data-transfer rate, ease of use, and flexibility, USB has gained wide acceptance in the computer industry. Today, many peripherals and devices connect to computers through USB interfaces. Currently, most general-purpose operating systems pro ....etc

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Author: Dr. Pamela Bhatti

Abstract

Here, students learn how cochlear implants work to improve the lives of people with profound hearing loss. The students experiment with the control parameters of a cochlear implant signal processor using Matlab tools, and learning digital signal processing concepts, including filtering, along the way.

Click here for more details. ....etc

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Variable-reluctance (VR) or switched-reluctance (SR) motors also can operate as brushless dc motors. VR motors have salient poles on a soft-iron rotor. Motor action results from interaction between the rotor poles and a rotating field set up by the stator windings. The construction yields high torque-to-inertia ratios.

VR motors cost less than corresponding permanent-magnet brushless types. And because VR types call for unidirectional current, amplifiers for them cost less than those for conventional types. The motors are increasingly used ....etc

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This article describes speech processing in cochlear implants(CI).Cochlear implant (CI) is a prosthetic device that allows partial restoration of hearing in profound hearing
impaired people..In this method,speech signal is analysed using Descete Wavelength Transform(DWT).Comparison with traditional filter bank analysis methods showed that the WT could be a suitable method for speech coding in CIs and information loss was minimal.Filter-bank approach uses a band of band-pass filters for estimating the signal spectral content in all the CI stimu ....etc

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products enabling the world s smallest data and video projectors, HDTV s, and digital cinema, DLP technology is extremely powerful and flexible. With success of the DMD as a spatial light modulator for projector applications, dozens of new applications are now being enabled by general- use DMD products that are recently available to developers. The same light switching speed and on-off (contrast) ratio that have resulted in superior projector performance, along with the capability of operation outside the visible spectrum, make the DMD very a ....etc

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Design a New Speech Encoder for Cochlear Implants Using DRNL model.
Agenda:
Introduction.
Cochlear implant devices.
Methodologies.
Comparisons.
Proposed methodology.
Conclusion.

Introduction
Today, a prosthetic device, called cochlear implant, can be implanted in the inner ear and can restore partial hearing to profoundly deaf people.
Prosthetic device processors utilize the channel vocoder .


C.I Devices
Methodologies
Single Channel implants:
It provide electrical stimulation at ....etc

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