i would like to get explanation about the circuit being used to reduce the standby power of a pir sensor base lighting device ....etc

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i want ppt on technique that reduce power consumption in mobile phones

i want ppt on technique that reduce power consumption ....etc

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Exchanging messages in realtime between two or more people. Unlike a dial-up system such as the telephone, instant messaging (IM) requires that both parties be logged onto their IM service at the same time. Also known as a chatting, IM has become very popular for both business and personal use. In business, IM provides a way to contact co-workers any time of the day, providing they are at their computers. Thus, IM is often used as a way to avoid telephone tag, whether the communication continues as text messages or winds up as a traditional p ....etc

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i am vipin singh b.tech. student .i want seminar report on the topic instant messaging so send me it before 17 march 2011. ....etc

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low power consumption solutions for mobile instant messaging ppt free download ....etc

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PRESENTED BY:
Harish.B, Justinraj.G


Low Power Consumption Using Dynamic Voltage Frequency Scaling
Abstract:
An effective mechanism for reducing processor power and energy.
In the last decade a lot of works have been done during the hardware and software implementation.
In this paper a proposed control loop of DVFS technique has been introduced.
Introduction:
In recent years the processors speed reaches Gigahertz, so the power dissipation increases rapidly in a level of the order of ten ....etc

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Abstract

Project Name: Multi-Purpose Java Instant Messaging Tool

Java Instant Messaging Tool is designed for portability and extensibility. It is a fully featured, stand-alone, skin able chat client that supports AIM, ICQ, MSN, Yahoo Messenger, and IRC.

Key Features:

It provides capabilities not possible with original network clients, while supporting standard features such as audio chat, file transfers, group chats, chat rooms, buddy icons, multiple simultaneous connections to the same network, server-side cont ....etc

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plz provide more info on this topic ....etc

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abstract
This system uses RF transmission technology. The RF transceiver module which I use has a range up to 100 metres in ideal conditions. This module can transmit and receive 4-bit parallel data with or without 8 address bits using a specific encoder and decoder ICâ„¢s. Another module can be designed such that it can transmit and receive 8-bit parallel data with or without 10 address bits using a specific encoder and decoder ICâ„¢s. The advantage of having the address bits is that message transfer can be made secure.
8-bit ....etc

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MTC Personal Instant Messaging Seminar – Barcelona 2009
MTS Group at a glance
 Operating in 6 countries in Eastern Europe and Central Asia
 Russia, Ukraine, Belarus, Uzbekistan, Turkmenistan and Armenia
 Population coverage area of over 230 million people
 91.7 million total subscribers as of September 2008
 Mobile broadband solutions:
 Launch of 3G/HSPA networks in Russia and Uzbekistan in 2008
 Launch of CDMA-450 broadband data network in Ukraine in 2007
 MTS is one of Russiaʼs top corporation ....etc

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